/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:53:37,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:53:37,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:53:37,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:53:37,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:53:37,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:53:37,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:53:37,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:53:37,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:53:37,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:53:37,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:53:37,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:53:37,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:53:37,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:53:37,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:53:37,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:53:37,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:53:37,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:53:37,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:53:37,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:53:37,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:53:37,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:53:37,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:53:37,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:53:37,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:53:37,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:53:37,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:53:37,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:53:37,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:53:37,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:53:37,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:53:37,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:53:37,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:53:37,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:53:37,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:53:37,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:53:37,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:53:37,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:53:37,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:53:37,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:53:37,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:53:37,628 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 12:53:37,643 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:53:37,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:53:37,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:53:37,644 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:53:37,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:53:37,645 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:53:37,645 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:53:37,645 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:53:37,645 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:53:37,646 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:53:37,646 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:53:37,646 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:53:37,646 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:53:37,646 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:53:37,646 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:53:37,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:53:37,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:53:37,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:53:37,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:53:37,647 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:53:37,648 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:53:37,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:53:37,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:53:37,648 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:53:37,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:53:37,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:53:37,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:53:37,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:53:37,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:53:37,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:53:37,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:53:37,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:53:37,833 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:53:37,834 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:53:37,835 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:53:37,898 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_e42pWc/tmp/370a276400cf4380b194b5426df1b7ec/FLAGd500f5ec5 [2020-07-01 12:53:38,234 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:53:38,235 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:53:38,235 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2020-07-01 12:53:38,242 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_e42pWc/tmp/370a276400cf4380b194b5426df1b7ec/FLAGd500f5ec5 [2020-07-01 12:53:38,635 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_e42pWc/tmp/370a276400cf4380b194b5426df1b7ec [2020-07-01 12:53:38,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:53:38,648 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:53:38,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:53:38,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:53:38,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:53:38,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:53:38" (1/1) ... [2020-07-01 12:53:38,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4340d5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38, skipping insertion in model container [2020-07-01 12:53:38,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:53:38" (1/1) ... [2020-07-01 12:53:38,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:53:38,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:53:38,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:53:38,953 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:53:38,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:53:38,990 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:53:38,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38 WrapperNode [2020-07-01 12:53:38,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:53:38,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:53:38,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:53:38,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:53:39,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38" (1/1) ... [2020-07-01 12:53:39,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38" (1/1) ... [2020-07-01 12:53:39,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:53:39,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:53:39,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:53:39,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:53:39,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38" (1/1) ... [2020-07-01 12:53:39,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38" (1/1) ... [2020-07-01 12:53:39,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38" (1/1) ... [2020-07-01 12:53:39,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38" (1/1) ... [2020-07-01 12:53:39,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38" (1/1) ... [2020-07-01 12:53:39,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38" (1/1) ... [2020-07-01 12:53:39,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38" (1/1) ... [2020-07-01 12:53:39,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:53:39,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:53:39,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:53:39,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:53:39,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:53:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-01 12:53:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:53:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:53:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-01 12:53:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-01 12:53:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-01 12:53:39,505 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:53:39,506 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-07-01 12:53:39,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:53:39 BoogieIcfgContainer [2020-07-01 12:53:39,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:53:39,511 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:53:39,511 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:53:39,513 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:53:39,514 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:53:39" (1/1) ... [2020-07-01 12:53:39,530 INFO L313 BlockEncoder]: Initial Icfg 59 locations, 70 edges [2020-07-01 12:53:39,531 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:53:39,532 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:53:39,532 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:53:39,533 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:53:39,535 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:53:39,536 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:53:39,536 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:53:39,562 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:53:39,598 INFO L200 BlockEncoder]: SBE split 25 edges [2020-07-01 12:53:39,603 INFO L70 emoveInfeasibleEdges]: Removed 4 edges and 0 locations because of local infeasibility [2020-07-01 12:53:39,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:53:39,666 INFO L100 BaseMinimizeStates]: Removed 22 edges and 11 locations by large block encoding [2020-07-01 12:53:39,669 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 12:53:39,670 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:53:39,670 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:53:39,671 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:53:39,671 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:53:39,672 INFO L313 BlockEncoder]: Encoded RCFG 47 locations, 85 edges [2020-07-01 12:53:39,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:53:39 BasicIcfg [2020-07-01 12:53:39,673 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:53:39,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:53:39,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:53:39,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:53:39,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:53:38" (1/4) ... [2020-07-01 12:53:39,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63915786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:53:39, skipping insertion in model container [2020-07-01 12:53:39,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38" (2/4) ... [2020-07-01 12:53:39,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63915786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:53:39, skipping insertion in model container [2020-07-01 12:53:39,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:53:39" (3/4) ... [2020-07-01 12:53:39,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63915786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:53:39, skipping insertion in model container [2020-07-01 12:53:39,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:53:39" (4/4) ... [2020-07-01 12:53:39,681 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:53:39,692 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:53:39,699 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 22 error locations. [2020-07-01 12:53:39,714 INFO L251 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2020-07-01 12:53:39,738 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:53:39,738 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:53:39,738 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:53:39,738 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:53:39,738 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:53:39,739 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:53:39,739 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:53:39,739 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:53:39,755 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-07-01 12:53:39,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-01 12:53:39,761 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:39,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-01 12:53:39,762 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:39,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:39,769 INFO L82 PathProgramCache]: Analyzing trace with hash 292231062, now seen corresponding path program 1 times [2020-07-01 12:53:39,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:39,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214118775] [2020-07-01 12:53:39,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:39,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214118775] [2020-07-01 12:53:39,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:39,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:53:39,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57209347] [2020-07-01 12:53:39,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:53:39,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:39,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:53:39,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:39,967 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 3 states. [2020-07-01 12:53:40,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:40,102 INFO L93 Difference]: Finished difference Result 91 states and 159 transitions. [2020-07-01 12:53:40,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:53:40,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-07-01 12:53:40,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:40,116 INFO L225 Difference]: With dead ends: 91 [2020-07-01 12:53:40,117 INFO L226 Difference]: Without dead ends: 47 [2020-07-01 12:53:40,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:40,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-07-01 12:53:40,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-07-01 12:53:40,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-01 12:53:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 78 transitions. [2020-07-01 12:53:40,159 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 78 transitions. Word has length 5 [2020-07-01 12:53:40,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:40,159 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 78 transitions. [2020-07-01 12:53:40,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:53:40,160 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2020-07-01 12:53:40,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-01 12:53:40,160 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:40,160 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-01 12:53:40,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-01 12:53:40,162 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:40,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:40,163 INFO L82 PathProgramCache]: Analyzing trace with hash 292232023, now seen corresponding path program 1 times [2020-07-01 12:53:40,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:40,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237951929] [2020-07-01 12:53:40,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:40,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237951929] [2020-07-01 12:53:40,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:40,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:53:40,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510891367] [2020-07-01 12:53:40,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:53:40,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:40,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:53:40,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:40,222 INFO L87 Difference]: Start difference. First operand 47 states and 78 transitions. Second operand 3 states. [2020-07-01 12:53:40,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:40,333 INFO L93 Difference]: Finished difference Result 47 states and 78 transitions. [2020-07-01 12:53:40,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:53:40,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-07-01 12:53:40,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:40,336 INFO L225 Difference]: With dead ends: 47 [2020-07-01 12:53:40,336 INFO L226 Difference]: Without dead ends: 40 [2020-07-01 12:53:40,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:40,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-07-01 12:53:40,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-07-01 12:53:40,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-07-01 12:53:40,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 64 transitions. [2020-07-01 12:53:40,343 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 64 transitions. Word has length 5 [2020-07-01 12:53:40,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:40,343 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 64 transitions. [2020-07-01 12:53:40,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:53:40,343 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2020-07-01 12:53:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-01 12:53:40,344 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:40,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-01 12:53:40,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-01 12:53:40,344 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:40,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:40,345 INFO L82 PathProgramCache]: Analyzing trace with hash 292232025, now seen corresponding path program 1 times [2020-07-01 12:53:40,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:40,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351448801] [2020-07-01 12:53:40,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:40,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:40,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351448801] [2020-07-01 12:53:40,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:40,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:53:40,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481630062] [2020-07-01 12:53:40,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:53:40,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:40,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:53:40,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:40,389 INFO L87 Difference]: Start difference. First operand 40 states and 64 transitions. Second operand 3 states. [2020-07-01 12:53:40,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:40,514 INFO L93 Difference]: Finished difference Result 47 states and 74 transitions. [2020-07-01 12:53:40,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:53:40,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-07-01 12:53:40,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:40,516 INFO L225 Difference]: With dead ends: 47 [2020-07-01 12:53:40,516 INFO L226 Difference]: Without dead ends: 46 [2020-07-01 12:53:40,517 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:40,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-01 12:53:40,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-07-01 12:53:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-01 12:53:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 68 transitions. [2020-07-01 12:53:40,524 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 68 transitions. Word has length 5 [2020-07-01 12:53:40,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:40,524 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 68 transitions. [2020-07-01 12:53:40,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:53:40,524 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2020-07-01 12:53:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-01 12:53:40,525 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:40,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-01 12:53:40,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-01 12:53:40,525 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:40,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:40,526 INFO L82 PathProgramCache]: Analyzing trace with hash 292232026, now seen corresponding path program 1 times [2020-07-01 12:53:40,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:40,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752008981] [2020-07-01 12:53:40,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:40,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752008981] [2020-07-01 12:53:40,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:40,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:53:40,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977746437] [2020-07-01 12:53:40,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:53:40,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:40,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:53:40,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:53:40,581 INFO L87 Difference]: Start difference. First operand 42 states and 68 transitions. Second operand 4 states. [2020-07-01 12:53:40,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:40,723 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-01 12:53:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:53:40,724 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-07-01 12:53:40,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:40,725 INFO L225 Difference]: With dead ends: 47 [2020-07-01 12:53:40,725 INFO L226 Difference]: Without dead ends: 42 [2020-07-01 12:53:40,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-01 12:53:40,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-01 12:53:40,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-01 12:53:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-01 12:53:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 62 transitions. [2020-07-01 12:53:40,731 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 62 transitions. Word has length 5 [2020-07-01 12:53:40,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:40,732 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 62 transitions. [2020-07-01 12:53:40,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:53:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2020-07-01 12:53:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-07-01 12:53:40,733 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:40,733 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-07-01 12:53:40,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-01 12:53:40,734 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:40,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:40,734 INFO L82 PathProgramCache]: Analyzing trace with hash 469255442, now seen corresponding path program 1 times [2020-07-01 12:53:40,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:40,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819318106] [2020-07-01 12:53:40,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:40,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819318106] [2020-07-01 12:53:40,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:40,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:53:40,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762515243] [2020-07-01 12:53:40,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:53:40,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:40,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:53:40,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:40,785 INFO L87 Difference]: Start difference. First operand 42 states and 62 transitions. Second operand 3 states. [2020-07-01 12:53:40,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:40,859 INFO L93 Difference]: Finished difference Result 42 states and 62 transitions. [2020-07-01 12:53:40,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:53:40,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-07-01 12:53:40,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:40,860 INFO L225 Difference]: With dead ends: 42 [2020-07-01 12:53:40,860 INFO L226 Difference]: Without dead ends: 40 [2020-07-01 12:53:40,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:40,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-07-01 12:53:40,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-07-01 12:53:40,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-07-01 12:53:40,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions. [2020-07-01 12:53:40,867 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 58 transitions. Word has length 6 [2020-07-01 12:53:40,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:40,867 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 58 transitions. [2020-07-01 12:53:40,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:53:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2020-07-01 12:53:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-07-01 12:53:40,868 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:40,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-07-01 12:53:40,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-01 12:53:40,869 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:40,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:40,869 INFO L82 PathProgramCache]: Analyzing trace with hash 469255444, now seen corresponding path program 1 times [2020-07-01 12:53:40,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:40,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926750952] [2020-07-01 12:53:40,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:40,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926750952] [2020-07-01 12:53:40,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:40,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:53:40,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493095657] [2020-07-01 12:53:40,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:53:40,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:40,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:53:40,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:40,912 INFO L87 Difference]: Start difference. First operand 40 states and 58 transitions. Second operand 3 states. [2020-07-01 12:53:40,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:41,000 INFO L93 Difference]: Finished difference Result 43 states and 61 transitions. [2020-07-01 12:53:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:53:41,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-07-01 12:53:41,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:41,001 INFO L225 Difference]: With dead ends: 43 [2020-07-01 12:53:41,001 INFO L226 Difference]: Without dead ends: 42 [2020-07-01 12:53:41,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:41,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-01 12:53:41,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2020-07-01 12:53:41,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-01 12:53:41,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 60 transitions. [2020-07-01 12:53:41,007 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 60 transitions. Word has length 6 [2020-07-01 12:53:41,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:41,007 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 60 transitions. [2020-07-01 12:53:41,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:53:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2020-07-01 12:53:41,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-07-01 12:53:41,008 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:41,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-07-01 12:53:41,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-01 12:53:41,009 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:41,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:41,009 INFO L82 PathProgramCache]: Analyzing trace with hash 469255445, now seen corresponding path program 1 times [2020-07-01 12:53:41,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:41,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024511949] [2020-07-01 12:53:41,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:41,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024511949] [2020-07-01 12:53:41,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:41,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:53:41,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827500661] [2020-07-01 12:53:41,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:53:41,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:41,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:53:41,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:53:41,060 INFO L87 Difference]: Start difference. First operand 41 states and 60 transitions. Second operand 4 states. [2020-07-01 12:53:41,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:41,156 INFO L93 Difference]: Finished difference Result 43 states and 60 transitions. [2020-07-01 12:53:41,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:53:41,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-07-01 12:53:41,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:41,157 INFO L225 Difference]: With dead ends: 43 [2020-07-01 12:53:41,157 INFO L226 Difference]: Without dead ends: 41 [2020-07-01 12:53:41,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-01 12:53:41,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-07-01 12:53:41,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-07-01 12:53:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-01 12:53:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2020-07-01 12:53:41,163 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 6 [2020-07-01 12:53:41,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:41,164 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2020-07-01 12:53:41,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:53:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2020-07-01 12:53:41,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-01 12:53:41,164 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:41,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:41,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-01 12:53:41,165 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:41,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:41,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1666472814, now seen corresponding path program 1 times [2020-07-01 12:53:41,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:41,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535197650] [2020-07-01 12:53:41,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:41,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535197650] [2020-07-01 12:53:41,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:41,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-01 12:53:41,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902870669] [2020-07-01 12:53:41,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-01 12:53:41,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:41,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-01 12:53:41,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-01 12:53:41,207 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 5 states. [2020-07-01 12:53:41,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:41,344 INFO L93 Difference]: Finished difference Result 79 states and 109 transitions. [2020-07-01 12:53:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-01 12:53:41,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2020-07-01 12:53:41,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:41,346 INFO L225 Difference]: With dead ends: 79 [2020-07-01 12:53:41,346 INFO L226 Difference]: Without dead ends: 71 [2020-07-01 12:53:41,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-01 12:53:41,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-01 12:53:41,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 55. [2020-07-01 12:53:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-01 12:53:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 91 transitions. [2020-07-01 12:53:41,354 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 91 transitions. Word has length 7 [2020-07-01 12:53:41,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:41,354 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 91 transitions. [2020-07-01 12:53:41,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-01 12:53:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2020-07-01 12:53:41,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-01 12:53:41,355 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:41,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:41,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-01 12:53:41,356 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:41,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:41,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1666385202, now seen corresponding path program 1 times [2020-07-01 12:53:41,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:41,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279856172] [2020-07-01 12:53:41,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:41,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279856172] [2020-07-01 12:53:41,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:41,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-01 12:53:41,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748505343] [2020-07-01 12:53:41,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:53:41,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:41,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:53:41,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:53:41,387 INFO L87 Difference]: Start difference. First operand 55 states and 91 transitions. Second operand 4 states. [2020-07-01 12:53:41,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:41,495 INFO L93 Difference]: Finished difference Result 64 states and 91 transitions. [2020-07-01 12:53:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:53:41,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-07-01 12:53:41,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:41,496 INFO L225 Difference]: With dead ends: 64 [2020-07-01 12:53:41,496 INFO L226 Difference]: Without dead ends: 41 [2020-07-01 12:53:41,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-01 12:53:41,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-07-01 12:53:41,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-07-01 12:53:41,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-01 12:53:41,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2020-07-01 12:53:41,502 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 7 [2020-07-01 12:53:41,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:41,502 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2020-07-01 12:53:41,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:53:41,502 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2020-07-01 12:53:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-01 12:53:41,503 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:41,503 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:41,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-01 12:53:41,503 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:41,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:41,503 INFO L82 PathProgramCache]: Analyzing trace with hash -17037694, now seen corresponding path program 1 times [2020-07-01 12:53:41,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:41,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75277060] [2020-07-01 12:53:41,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:41,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75277060] [2020-07-01 12:53:41,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121459564] [2020-07-01 12:53:41,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:41,583 INFO L264 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-01 12:53:41,588 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:41,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-01 12:53:41,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-07-01 12:53:41,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113610698] [2020-07-01 12:53:41,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:53:41,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:41,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:53:41,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-01 12:53:41,631 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 4 states. [2020-07-01 12:53:41,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:41,715 INFO L93 Difference]: Finished difference Result 46 states and 64 transitions. [2020-07-01 12:53:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:53:41,733 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-07-01 12:53:41,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:41,734 INFO L225 Difference]: With dead ends: 46 [2020-07-01 12:53:41,734 INFO L226 Difference]: Without dead ends: 31 [2020-07-01 12:53:41,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-01 12:53:41,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-01 12:53:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-01 12:53:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-01 12:53:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 44 transitions. [2020-07-01 12:53:41,738 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 44 transitions. Word has length 8 [2020-07-01 12:53:41,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:41,739 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 44 transitions. [2020-07-01 12:53:41,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:53:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2020-07-01 12:53:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-01 12:53:41,739 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:41,739 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-07-01 12:53:41,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-01 12:53:41,940 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:41,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:41,941 INFO L82 PathProgramCache]: Analyzing trace with hash -528171253, now seen corresponding path program 1 times [2020-07-01 12:53:41,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:41,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109925264] [2020-07-01 12:53:41,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:41,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:41,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109925264] [2020-07-01 12:53:41,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967591757] [2020-07-01 12:53:41,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:42,022 INFO L264 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-01 12:53:42,023 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:42,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-01 12:53:42,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-07-01 12:53:42,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669599115] [2020-07-01 12:53:42,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:53:42,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:42,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:53:42,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-01 12:53:42,057 INFO L87 Difference]: Start difference. First operand 31 states and 44 transitions. Second operand 4 states. [2020-07-01 12:53:42,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:42,115 INFO L93 Difference]: Finished difference Result 31 states and 44 transitions. [2020-07-01 12:53:42,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:53:42,116 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-01 12:53:42,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:42,116 INFO L225 Difference]: With dead ends: 31 [2020-07-01 12:53:42,116 INFO L226 Difference]: Without dead ends: 29 [2020-07-01 12:53:42,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-01 12:53:42,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-01 12:53:42,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2020-07-01 12:53:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-07-01 12:53:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 40 transitions. [2020-07-01 12:53:42,121 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 40 transitions. Word has length 9 [2020-07-01 12:53:42,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:42,121 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 40 transitions. [2020-07-01 12:53:42,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:53:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2020-07-01 12:53:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-01 12:53:42,122 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:42,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:42,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:42,323 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:42,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:42,323 INFO L82 PathProgramCache]: Analyzing trace with hash 810928667, now seen corresponding path program 1 times [2020-07-01 12:53:42,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:42,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61213475] [2020-07-01 12:53:42,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:42,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61213475] [2020-07-01 12:53:42,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663993257] [2020-07-01 12:53:42,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:42,408 INFO L264 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-01 12:53:42,409 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:42,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:42,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-01 12:53:42,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-01 12:53:42,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192758272] [2020-07-01 12:53:42,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-01 12:53:42,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:42,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-01 12:53:42,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-01 12:53:42,434 INFO L87 Difference]: Start difference. First operand 27 states and 40 transitions. Second operand 7 states. [2020-07-01 12:53:42,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:42,546 INFO L93 Difference]: Finished difference Result 73 states and 109 transitions. [2020-07-01 12:53:42,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-01 12:53:42,546 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2020-07-01 12:53:42,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:42,547 INFO L225 Difference]: With dead ends: 73 [2020-07-01 12:53:42,547 INFO L226 Difference]: Without dead ends: 52 [2020-07-01 12:53:42,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-01 12:53:42,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-07-01 12:53:42,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 30. [2020-07-01 12:53:42,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-01 12:53:42,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2020-07-01 12:53:42,552 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 43 transitions. Word has length 10 [2020-07-01 12:53:42,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:42,552 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 43 transitions. [2020-07-01 12:53:42,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-01 12:53:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2020-07-01 12:53:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-01 12:53:42,553 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:42,553 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:42,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-01 12:53:42,754 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:42,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:42,754 INFO L82 PathProgramCache]: Analyzing trace with hash -2053738350, now seen corresponding path program 2 times [2020-07-01 12:53:42,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:42,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361190602] [2020-07-01 12:53:42,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:42,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-01 12:53:42,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361190602] [2020-07-01 12:53:42,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:42,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:53:42,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789213827] [2020-07-01 12:53:42,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:53:42,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:42,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:53:42,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:53:42,820 INFO L87 Difference]: Start difference. First operand 30 states and 43 transitions. Second operand 4 states. [2020-07-01 12:53:42,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:42,860 INFO L93 Difference]: Finished difference Result 30 states and 43 transitions. [2020-07-01 12:53:42,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:53:42,860 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-01 12:53:42,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:42,861 INFO L225 Difference]: With dead ends: 30 [2020-07-01 12:53:42,861 INFO L226 Difference]: Without dead ends: 28 [2020-07-01 12:53:42,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:53:42,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-07-01 12:53:42,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-07-01 12:53:42,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-01 12:53:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2020-07-01 12:53:42,866 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 39 transitions. Word has length 13 [2020-07-01 12:53:42,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:42,866 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 39 transitions. [2020-07-01 12:53:42,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:53:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2020-07-01 12:53:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-01 12:53:42,867 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:42,867 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:42,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-01 12:53:42,867 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:42,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:42,867 INFO L82 PathProgramCache]: Analyzing trace with hash -2053738349, now seen corresponding path program 1 times [2020-07-01 12:53:42,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:42,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454784899] [2020-07-01 12:53:42,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-01 12:53:42,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454784899] [2020-07-01 12:53:42,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:42,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:53:42,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950435422] [2020-07-01 12:53:42,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:53:42,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:42,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:53:42,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:53:42,906 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. Second operand 4 states. [2020-07-01 12:53:42,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:42,973 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2020-07-01 12:53:42,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:53:42,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-01 12:53:42,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:42,975 INFO L225 Difference]: With dead ends: 47 [2020-07-01 12:53:42,975 INFO L226 Difference]: Without dead ends: 46 [2020-07-01 12:53:42,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:53:42,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-01 12:53:42,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-07-01 12:53:42,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-01 12:53:42,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 65 transitions. [2020-07-01 12:53:42,981 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 65 transitions. Word has length 13 [2020-07-01 12:53:42,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:42,981 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 65 transitions. [2020-07-01 12:53:42,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:53:42,981 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2020-07-01 12:53:42,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-01 12:53:42,982 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:42,982 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:42,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-01 12:53:42,982 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:42,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:42,983 INFO L82 PathProgramCache]: Analyzing trace with hash -2053738348, now seen corresponding path program 1 times [2020-07-01 12:53:42,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:42,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221898421] [2020-07-01 12:53:42,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:43,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221898421] [2020-07-01 12:53:43,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060695016] [2020-07-01 12:53:43,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:43,179 INFO L264 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-01 12:53:43,181 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:43,221 INFO L435 ElimStorePlain]: Different costs {0=[|v_#length_30|], 4=[|v_#valid_48|]} [2020-07-01 12:53:43,233 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-07-01 12:53:43,235 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-07-01 12:53:43,236 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-07-01 12:53:43,251 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2020-07-01 12:53:43,251 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-01 12:53:43,274 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-01 12:53:43,294 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-01 12:53:43,294 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-07-01 12:53:43,296 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-01 12:53:43,299 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-01 12:53:43,299 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-01 12:53:43,327 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-01 12:53:43,335 INFO L539 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-01 12:53:43,335 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:47, output treesize:47 [2020-07-01 12:53:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:43,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-01 12:53:43,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2020-07-01 12:53:43,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173096534] [2020-07-01 12:53:43,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-01 12:53:43,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:43,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-01 12:53:43,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-01 12:53:43,540 INFO L87 Difference]: Start difference. First operand 42 states and 65 transitions. Second operand 10 states. [2020-07-01 12:53:44,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:44,086 INFO L93 Difference]: Finished difference Result 46 states and 65 transitions. [2020-07-01 12:53:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-01 12:53:44,086 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2020-07-01 12:53:44,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:44,087 INFO L225 Difference]: With dead ends: 46 [2020-07-01 12:53:44,087 INFO L226 Difference]: Without dead ends: 45 [2020-07-01 12:53:44,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-07-01 12:53:44,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-07-01 12:53:44,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2020-07-01 12:53:44,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-01 12:53:44,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 63 transitions. [2020-07-01 12:53:44,095 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 63 transitions. Word has length 13 [2020-07-01 12:53:44,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:44,095 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 63 transitions. [2020-07-01 12:53:44,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-01 12:53:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2020-07-01 12:53:44,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-01 12:53:44,096 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:44,096 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:44,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:44,297 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:44,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:44,297 INFO L82 PathProgramCache]: Analyzing trace with hash 758618049, now seen corresponding path program 1 times [2020-07-01 12:53:44,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:44,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121502557] [2020-07-01 12:53:44,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:44,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-01 12:53:44,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121502557] [2020-07-01 12:53:44,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:44,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:53:44,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016647145] [2020-07-01 12:53:44,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:53:44,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:44,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:53:44,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:53:44,336 INFO L87 Difference]: Start difference. First operand 42 states and 63 transitions. Second operand 4 states. [2020-07-01 12:53:44,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:44,410 INFO L93 Difference]: Finished difference Result 74 states and 113 transitions. [2020-07-01 12:53:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:53:44,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-07-01 12:53:44,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:44,413 INFO L225 Difference]: With dead ends: 74 [2020-07-01 12:53:44,413 INFO L226 Difference]: Without dead ends: 73 [2020-07-01 12:53:44,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:53:44,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-01 12:53:44,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 48. [2020-07-01 12:53:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-01 12:53:44,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 74 transitions. [2020-07-01 12:53:44,423 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 74 transitions. Word has length 14 [2020-07-01 12:53:44,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:44,424 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 74 transitions. [2020-07-01 12:53:44,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:53:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2020-07-01 12:53:44,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-01 12:53:44,424 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:44,425 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:44,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-01 12:53:44,425 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:44,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:44,425 INFO L82 PathProgramCache]: Analyzing trace with hash 758618050, now seen corresponding path program 1 times [2020-07-01 12:53:44,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:44,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895456645] [2020-07-01 12:53:44,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-01 12:53:44,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895456645] [2020-07-01 12:53:44,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:44,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-01 12:53:44,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715578913] [2020-07-01 12:53:44,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-01 12:53:44,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:44,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-01 12:53:44,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-01 12:53:44,494 INFO L87 Difference]: Start difference. First operand 48 states and 74 transitions. Second operand 5 states. [2020-07-01 12:53:44,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:44,632 INFO L93 Difference]: Finished difference Result 84 states and 124 transitions. [2020-07-01 12:53:44,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-01 12:53:44,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-01 12:53:44,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:44,633 INFO L225 Difference]: With dead ends: 84 [2020-07-01 12:53:44,633 INFO L226 Difference]: Without dead ends: 63 [2020-07-01 12:53:44,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-01 12:53:44,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-01 12:53:44,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 48. [2020-07-01 12:53:44,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-01 12:53:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 72 transitions. [2020-07-01 12:53:44,642 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 72 transitions. Word has length 14 [2020-07-01 12:53:44,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:44,642 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 72 transitions. [2020-07-01 12:53:44,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-01 12:53:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2020-07-01 12:53:44,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-01 12:53:44,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:44,643 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:44,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-01 12:53:44,643 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:44,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:44,644 INFO L82 PathProgramCache]: Analyzing trace with hash 252361099, now seen corresponding path program 1 times [2020-07-01 12:53:44,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:44,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799647995] [2020-07-01 12:53:44,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-01 12:53:44,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799647995] [2020-07-01 12:53:44,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:44,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:53:44,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309680429] [2020-07-01 12:53:44,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:53:44,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:44,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:53:44,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:53:44,683 INFO L87 Difference]: Start difference. First operand 48 states and 72 transitions. Second operand 4 states. [2020-07-01 12:53:44,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:44,759 INFO L93 Difference]: Finished difference Result 75 states and 109 transitions. [2020-07-01 12:53:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:53:44,760 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-01 12:53:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:44,760 INFO L225 Difference]: With dead ends: 75 [2020-07-01 12:53:44,761 INFO L226 Difference]: Without dead ends: 73 [2020-07-01 12:53:44,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:53:44,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-01 12:53:44,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 62. [2020-07-01 12:53:44,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-01 12:53:44,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 98 transitions. [2020-07-01 12:53:44,768 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 98 transitions. Word has length 18 [2020-07-01 12:53:44,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:44,769 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 98 transitions. [2020-07-01 12:53:44,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:53:44,769 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2020-07-01 12:53:44,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-01 12:53:44,770 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:44,770 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:44,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-01 12:53:44,770 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:44,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:44,770 INFO L82 PathProgramCache]: Analyzing trace with hash 252361100, now seen corresponding path program 1 times [2020-07-01 12:53:44,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:44,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796227322] [2020-07-01 12:53:44,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:44,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796227322] [2020-07-01 12:53:44,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866372007] [2020-07-01 12:53:44,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:44,873 INFO L264 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-01 12:53:44,875 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:44,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-01 12:53:44,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-01 12:53:44,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765882579] [2020-07-01 12:53:44,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-01 12:53:44,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:44,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-01 12:53:44,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-01 12:53:44,914 INFO L87 Difference]: Start difference. First operand 62 states and 98 transitions. Second operand 8 states. [2020-07-01 12:53:45,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:45,075 INFO L93 Difference]: Finished difference Result 99 states and 150 transitions. [2020-07-01 12:53:45,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-01 12:53:45,075 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-07-01 12:53:45,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:45,076 INFO L225 Difference]: With dead ends: 99 [2020-07-01 12:53:45,076 INFO L226 Difference]: Without dead ends: 71 [2020-07-01 12:53:45,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-01 12:53:45,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-01 12:53:45,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 62. [2020-07-01 12:53:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-01 12:53:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 93 transitions. [2020-07-01 12:53:45,084 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 93 transitions. Word has length 18 [2020-07-01 12:53:45,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:45,085 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 93 transitions. [2020-07-01 12:53:45,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-01 12:53:45,085 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2020-07-01 12:53:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-07-01 12:53:45,086 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:45,086 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:45,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:45,287 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:45,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:45,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1935227180, now seen corresponding path program 1 times [2020-07-01 12:53:45,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:45,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815922097] [2020-07-01 12:53:45,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:45,312 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-01 12:53:45,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815922097] [2020-07-01 12:53:45,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:45,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:53:45,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237108167] [2020-07-01 12:53:45,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:53:45,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:45,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:53:45,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:45,314 INFO L87 Difference]: Start difference. First operand 62 states and 93 transitions. Second operand 3 states. [2020-07-01 12:53:45,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:45,356 INFO L93 Difference]: Finished difference Result 113 states and 178 transitions. [2020-07-01 12:53:45,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:53:45,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-07-01 12:53:45,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:45,358 INFO L225 Difference]: With dead ends: 113 [2020-07-01 12:53:45,358 INFO L226 Difference]: Without dead ends: 70 [2020-07-01 12:53:45,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:45,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-01 12:53:45,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-07-01 12:53:45,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-01 12:53:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 101 transitions. [2020-07-01 12:53:45,366 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 101 transitions. Word has length 21 [2020-07-01 12:53:45,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:45,366 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 101 transitions. [2020-07-01 12:53:45,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:53:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2020-07-01 12:53:45,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-07-01 12:53:45,367 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:45,367 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:45,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-07-01 12:53:45,367 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:45,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:45,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1472236435, now seen corresponding path program 1 times [2020-07-01 12:53:45,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:45,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281242423] [2020-07-01 12:53:45,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:45,421 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-01 12:53:45,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281242423] [2020-07-01 12:53:45,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215797110] [2020-07-01 12:53:45,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:45,473 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:53:45,475 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:45,507 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-01 12:53:45,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-01 12:53:45,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2020-07-01 12:53:45,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222241027] [2020-07-01 12:53:45,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-01 12:53:45,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:45,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-01 12:53:45,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-01 12:53:45,509 INFO L87 Difference]: Start difference. First operand 70 states and 101 transitions. Second operand 5 states. [2020-07-01 12:53:45,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:45,604 INFO L93 Difference]: Finished difference Result 106 states and 152 transitions. [2020-07-01 12:53:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-01 12:53:45,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-07-01 12:53:45,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:45,605 INFO L225 Difference]: With dead ends: 106 [2020-07-01 12:53:45,606 INFO L226 Difference]: Without dead ends: 59 [2020-07-01 12:53:45,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-01 12:53:45,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-07-01 12:53:45,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-07-01 12:53:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-01 12:53:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 79 transitions. [2020-07-01 12:53:45,613 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 79 transitions. Word has length 21 [2020-07-01 12:53:45,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:45,614 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 79 transitions. [2020-07-01 12:53:45,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-01 12:53:45,614 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2020-07-01 12:53:45,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-01 12:53:45,614 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:45,615 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:45,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:45,816 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:45,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:45,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1610083308, now seen corresponding path program 1 times [2020-07-01 12:53:45,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:45,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728042356] [2020-07-01 12:53:45,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-01 12:53:45,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728042356] [2020-07-01 12:53:45,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528437583] [2020-07-01 12:53:45,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:45,923 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-01 12:53:45,924 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:45,966 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-01 12:53:45,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-01 12:53:45,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-01 12:53:45,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71592499] [2020-07-01 12:53:45,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-01 12:53:45,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:45,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-01 12:53:45,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-07-01 12:53:45,968 INFO L87 Difference]: Start difference. First operand 59 states and 79 transitions. Second operand 10 states. [2020-07-01 12:53:46,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:46,157 INFO L93 Difference]: Finished difference Result 146 states and 199 transitions. [2020-07-01 12:53:46,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-01 12:53:46,158 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2020-07-01 12:53:46,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:46,158 INFO L225 Difference]: With dead ends: 146 [2020-07-01 12:53:46,159 INFO L226 Difference]: Without dead ends: 96 [2020-07-01 12:53:46,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-01 12:53:46,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-07-01 12:53:46,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 62. [2020-07-01 12:53:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-01 12:53:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 82 transitions. [2020-07-01 12:53:46,166 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 82 transitions. Word has length 22 [2020-07-01 12:53:46,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:46,167 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 82 transitions. [2020-07-01 12:53:46,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-01 12:53:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2020-07-01 12:53:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-01 12:53:46,167 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:46,167 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:46,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:46,368 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:46,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:46,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1437100061, now seen corresponding path program 2 times [2020-07-01 12:53:46,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:46,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396957705] [2020-07-01 12:53:46,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-01 12:53:46,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396957705] [2020-07-01 12:53:46,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079421648] [2020-07-01 12:53:46,532 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:46,569 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-07-01 12:53:46,569 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-01 12:53:46,570 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 17 conjunts are in the unsatisfiable core [2020-07-01 12:53:46,572 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:46,581 INFO L435 ElimStorePlain]: Different costs {0=[|v_#length_31|], 4=[|v_#valid_49|]} [2020-07-01 12:53:46,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-07-01 12:53:46,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-07-01 12:53:46,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-07-01 12:53:46,592 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2020-07-01 12:53:46,592 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-01 12:53:46,608 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-01 12:53:46,620 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-01 12:53:46,620 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-07-01 12:53:46,621 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-01 12:53:46,622 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-01 12:53:46,622 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-01 12:53:46,637 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-01 12:53:46,640 INFO L539 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-01 12:53:46,640 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:44, output treesize:44 [2020-07-01 12:53:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-01 12:53:46,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-01 12:53:46,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3] total 9 [2020-07-01 12:53:46,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435837990] [2020-07-01 12:53:46,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-01 12:53:46,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:46,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-01 12:53:46,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-01 12:53:46,781 INFO L87 Difference]: Start difference. First operand 62 states and 82 transitions. Second operand 10 states. [2020-07-01 12:53:47,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:47,803 INFO L93 Difference]: Finished difference Result 63 states and 83 transitions. [2020-07-01 12:53:47,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-01 12:53:47,804 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2020-07-01 12:53:47,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:47,805 INFO L225 Difference]: With dead ends: 63 [2020-07-01 12:53:47,805 INFO L226 Difference]: Without dead ends: 62 [2020-07-01 12:53:47,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2020-07-01 12:53:47,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-07-01 12:53:47,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2020-07-01 12:53:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-01 12:53:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2020-07-01 12:53:47,813 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 25 [2020-07-01 12:53:47,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:47,813 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2020-07-01 12:53:47,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-01 12:53:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-07-01 12:53:47,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-01 12:53:47,814 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:47,814 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:48,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-07-01 12:53:48,016 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:48,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:48,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1600431533, now seen corresponding path program 1 times [2020-07-01 12:53:48,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:48,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043021278] [2020-07-01 12:53:48,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-01 12:53:48,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043021278] [2020-07-01 12:53:48,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164316276] [2020-07-01 12:53:48,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:48,134 INFO L264 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-01 12:53:48,135 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:48,185 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-01 12:53:48,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-01 12:53:48,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2020-07-01 12:53:48,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556592142] [2020-07-01 12:53:48,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-01 12:53:48,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:48,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-01 12:53:48,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-01 12:53:48,187 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand 11 states. [2020-07-01 12:53:48,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:48,429 INFO L93 Difference]: Finished difference Result 65 states and 83 transitions. [2020-07-01 12:53:48,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-01 12:53:48,430 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2020-07-01 12:53:48,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:48,431 INFO L225 Difference]: With dead ends: 65 [2020-07-01 12:53:48,431 INFO L226 Difference]: Without dead ends: 64 [2020-07-01 12:53:48,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-07-01 12:53:48,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-07-01 12:53:48,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2020-07-01 12:53:48,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-01 12:53:48,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 79 transitions. [2020-07-01 12:53:48,438 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 79 transitions. Word has length 26 [2020-07-01 12:53:48,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:48,439 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 79 transitions. [2020-07-01 12:53:48,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-01 12:53:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2020-07-01 12:53:48,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-01 12:53:48,440 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:48,440 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:48,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:48,641 INFO L427 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:48,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:48,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1442325316, now seen corresponding path program 1 times [2020-07-01 12:53:48,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:48,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190720696] [2020-07-01 12:53:48,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-01 12:53:48,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190720696] [2020-07-01 12:53:48,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969852334] [2020-07-01 12:53:48,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:48,750 INFO L264 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-01 12:53:48,752 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-01 12:53:48,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-01 12:53:48,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2020-07-01 12:53:48,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111008921] [2020-07-01 12:53:48,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-01 12:53:48,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:48,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-01 12:53:48,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-07-01 12:53:48,785 INFO L87 Difference]: Start difference. First operand 61 states and 79 transitions. Second operand 5 states. [2020-07-01 12:53:48,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:48,843 INFO L93 Difference]: Finished difference Result 65 states and 82 transitions. [2020-07-01 12:53:48,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-01 12:53:48,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-01 12:53:48,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:48,844 INFO L225 Difference]: With dead ends: 65 [2020-07-01 12:53:48,844 INFO L226 Difference]: Without dead ends: 64 [2020-07-01 12:53:48,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-07-01 12:53:48,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-07-01 12:53:48,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2020-07-01 12:53:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-01 12:53:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2020-07-01 12:53:48,852 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 78 transitions. Word has length 33 [2020-07-01 12:53:48,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:48,853 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 78 transitions. [2020-07-01 12:53:48,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-01 12:53:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2020-07-01 12:53:48,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-01 12:53:48,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:48,853 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:49,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:49,054 INFO L427 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:49,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:49,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1442325315, now seen corresponding path program 2 times [2020-07-01 12:53:49,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:49,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541430804] [2020-07-01 12:53:49,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-01 12:53:49,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541430804] [2020-07-01 12:53:49,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174981971] [2020-07-01 12:53:49,120 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:49,153 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-07-01 12:53:49,153 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-01 12:53:49,154 INFO L264 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-01 12:53:49,155 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-01 12:53:49,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-01 12:53:49,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-01 12:53:49,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693699303] [2020-07-01 12:53:49,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:53:49,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:49,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:53:49,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-01 12:53:49,176 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. Second operand 4 states. [2020-07-01 12:53:49,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:49,226 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2020-07-01 12:53:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:53:49,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-07-01 12:53:49,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:49,227 INFO L225 Difference]: With dead ends: 61 [2020-07-01 12:53:49,227 INFO L226 Difference]: Without dead ends: 60 [2020-07-01 12:53:49,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-01 12:53:49,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-07-01 12:53:49,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-07-01 12:53:49,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-01 12:53:49,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2020-07-01 12:53:49,235 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 33 [2020-07-01 12:53:49,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:49,235 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2020-07-01 12:53:49,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:53:49,235 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-01 12:53:49,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-01 12:53:49,236 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:49,236 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:49,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-07-01 12:53:49,436 INFO L427 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:49,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:49,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1877608710, now seen corresponding path program 1 times [2020-07-01 12:53:49,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:49,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849846058] [2020-07-01 12:53:49,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:49,495 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-01 12:53:49,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849846058] [2020-07-01 12:53:49,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781998920] [2020-07-01 12:53:49,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:49,537 INFO L264 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-01 12:53:49,539 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:49,567 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-01 12:53:49,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-01 12:53:49,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2020-07-01 12:53:49,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517934928] [2020-07-01 12:53:49,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-01 12:53:49,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:49,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-01 12:53:49,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-07-01 12:53:49,568 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2020-07-01 12:53:49,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:49,631 INFO L93 Difference]: Finished difference Result 65 states and 80 transitions. [2020-07-01 12:53:49,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-01 12:53:49,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-07-01 12:53:49,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:49,633 INFO L225 Difference]: With dead ends: 65 [2020-07-01 12:53:49,633 INFO L226 Difference]: Without dead ends: 63 [2020-07-01 12:53:49,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-07-01 12:53:49,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-01 12:53:49,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2020-07-01 12:53:49,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-01 12:53:49,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2020-07-01 12:53:49,641 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 37 [2020-07-01 12:53:49,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:49,641 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2020-07-01 12:53:49,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-01 12:53:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2020-07-01 12:53:49,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-01 12:53:49,642 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:49,642 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:49,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2020-07-01 12:53:49,843 INFO L427 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:49,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:49,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1877608711, now seen corresponding path program 1 times [2020-07-01 12:53:49,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:49,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535517266] [2020-07-01 12:53:49,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-01 12:53:49,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535517266] [2020-07-01 12:53:49,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798404587] [2020-07-01 12:53:49,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:49,972 INFO L264 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-01 12:53:49,974 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:50,044 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-01 12:53:50,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-01 12:53:50,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-01 12:53:50,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918706676] [2020-07-01 12:53:50,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-01 12:53:50,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:50,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-01 12:53:50,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-07-01 12:53:50,046 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand 11 states. [2020-07-01 12:53:50,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:50,296 INFO L93 Difference]: Finished difference Result 110 states and 141 transitions. [2020-07-01 12:53:50,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-01 12:53:50,297 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 37 [2020-07-01 12:53:50,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:50,298 INFO L225 Difference]: With dead ends: 110 [2020-07-01 12:53:50,298 INFO L226 Difference]: Without dead ends: 80 [2020-07-01 12:53:50,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-07-01 12:53:50,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-07-01 12:53:50,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 75. [2020-07-01 12:53:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-01 12:53:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 94 transitions. [2020-07-01 12:53:50,306 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 94 transitions. Word has length 37 [2020-07-01 12:53:50,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:50,306 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 94 transitions. [2020-07-01 12:53:50,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-01 12:53:50,307 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 94 transitions. [2020-07-01 12:53:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-01 12:53:50,307 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:50,307 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:50,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-07-01 12:53:50,508 INFO L427 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:50,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:50,508 INFO L82 PathProgramCache]: Analyzing trace with hash -259604387, now seen corresponding path program 2 times [2020-07-01 12:53:50,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:50,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222759046] [2020-07-01 12:53:50,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-01 12:53:50,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222759046] [2020-07-01 12:53:50,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905716385] [2020-07-01 12:53:50,638 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:50,677 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-07-01 12:53:50,678 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-01 12:53:50,678 INFO L264 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-01 12:53:50,680 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:53:50,712 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-01 12:53:50,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-01 12:53:50,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 13 [2020-07-01 12:53:50,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233043650] [2020-07-01 12:53:50,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:53:50,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:50,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:53:50,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-07-01 12:53:50,713 INFO L87 Difference]: Start difference. First operand 75 states and 94 transitions. Second operand 4 states. [2020-07-01 12:53:50,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:50,791 INFO L93 Difference]: Finished difference Result 90 states and 113 transitions. [2020-07-01 12:53:50,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:53:50,792 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-07-01 12:53:50,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:50,792 INFO L225 Difference]: With dead ends: 90 [2020-07-01 12:53:50,792 INFO L226 Difference]: Without dead ends: 88 [2020-07-01 12:53:50,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-07-01 12:53:50,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-07-01 12:53:50,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 69. [2020-07-01 12:53:50,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-07-01 12:53:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2020-07-01 12:53:50,800 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 44 [2020-07-01 12:53:50,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:50,801 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2020-07-01 12:53:50,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:53:50,801 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2020-07-01 12:53:50,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-01 12:53:50,801 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:53:50,802 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:53:51,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 12:53:51,002 INFO L427 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION]=== [2020-07-01 12:53:51,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:51,003 INFO L82 PathProgramCache]: Analyzing trace with hash -259573197, now seen corresponding path program 1 times [2020-07-01 12:53:51,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:51,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187000693] [2020-07-01 12:53:51,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-07-01 12:53:51,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187000693] [2020-07-01 12:53:51,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:51,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:53:51,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803957152] [2020-07-01 12:53:51,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:53:51,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:51,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:53:51,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:51,037 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand 3 states. [2020-07-01 12:53:51,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:51,063 INFO L93 Difference]: Finished difference Result 116 states and 148 transitions. [2020-07-01 12:53:51,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:53:51,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-07-01 12:53:51,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:53:51,064 INFO L225 Difference]: With dead ends: 116 [2020-07-01 12:53:51,064 INFO L226 Difference]: Without dead ends: 0 [2020-07-01 12:53:51,065 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:51,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-01 12:53:51,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-01 12:53:51,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-01 12:53:51,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-01 12:53:51,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2020-07-01 12:53:51,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:53:51,066 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:53:51,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:53:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-01 12:53:51,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:53:51,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-07-01 12:53:51,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-01 12:53:52,233 WARN L192 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 118 DAG size of output: 91 [2020-07-01 12:53:52,866 WARN L192 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2020-07-01 12:53:53,778 WARN L192 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 90 [2020-07-01 12:53:53,782 INFO L268 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-07-01 12:53:53,783 INFO L268 CegarLoopResult]: For program point L31-2(lines 31 33) no Hoare annotation was computed. [2020-07-01 12:53:53,783 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-07-01 12:53:53,783 INFO L268 CegarLoopResult]: For program point L23-1(lines 23 24) no Hoare annotation was computed. [2020-07-01 12:53:53,783 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,783 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,783 INFO L268 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,783 INFO L268 CegarLoopResult]: For program point L19-3(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,783 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-07-01 12:53:53,783 INFO L268 CegarLoopResult]: For program point L19-4(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,784 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-07-01 12:53:53,784 INFO L268 CegarLoopResult]: For program point L19-5(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,784 INFO L268 CegarLoopResult]: For program point L19-6(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,784 INFO L268 CegarLoopResult]: For program point L19-8(lines 19 20) no Hoare annotation was computed. [2020-07-01 12:53:53,784 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:53:53,784 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr21REQUIRES_VIOLATION(line 24) no Hoare annotation was computed. [2020-07-01 12:53:53,784 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-07-01 12:53:53,784 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr17REQUIRES_VIOLATION(line 20) no Hoare annotation was computed. [2020-07-01 12:53:53,784 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr19REQUIRES_VIOLATION(line 23) no Hoare annotation was computed. [2020-07-01 12:53:53,785 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-07-01 12:53:53,785 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr13REQUIRES_VIOLATION(line 20) no Hoare annotation was computed. [2020-07-01 12:53:53,785 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-07-01 12:53:53,785 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr15REQUIRES_VIOLATION(line 20) no Hoare annotation was computed. [2020-07-01 12:53:53,785 INFO L268 CegarLoopResult]: For program point L20-3(line 20) no Hoare annotation was computed. [2020-07-01 12:53:53,785 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr9REQUIRES_VIOLATION(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,785 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr11REQUIRES_VIOLATION(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,785 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr5REQUIRES_VIOLATION(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,785 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr7REQUIRES_VIOLATION(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,785 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1REQUIRES_VIOLATION(line 15) no Hoare annotation was computed. [2020-07-01 12:53:53,786 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr3REQUIRES_VIOLATION(line 15) no Hoare annotation was computed. [2020-07-01 12:53:53,786 INFO L264 CegarLoopResult]: At program point L17-3(lines 17 20) the Hoare annotation is: (let ((.cse11 (select |#length| ULTIMATE.start_lis_~best~0.base)) (.cse18 (* ULTIMATE.start_lis_~N 4)) (.cse21 (select |#length| ULTIMATE.start_lis_~a.base))) (let ((.cse16 (= 1 ULTIMATE.start_lis_~i~0)) (.cse0 (<= 1 ULTIMATE.start_main_~array_size~0)) (.cse1 (exists ((ULTIMATE.start_lis_~prev~0.base Int) (|ULTIMATE.start_lis_#t~malloc0.base| Int)) (let ((.cse22 (* ULTIMATE.start_lis_~N 4))) (and (= (select |#length| |ULTIMATE.start_lis_#t~malloc0.base|) .cse22) (not (= |ULTIMATE.start_lis_#t~malloc0.base| ULTIMATE.start_lis_~prev~0.base)) (not (= |ULTIMATE.start_lis_#t~malloc0.base| ULTIMATE.start_lis_~a.base)) (not (= ULTIMATE.start_lis_~prev~0.base ULTIMATE.start_lis_~a.base)) (= (select |#length| ULTIMATE.start_lis_~prev~0.base) .cse22))))) (.cse2 (= 1 (select |#valid| ULTIMATE.start_lis_~a.base))) (.cse3 (= 0 ULTIMATE.start_lis_~best~0.offset)) (.cse4 (<= 1 |#StackHeapBarrier|)) (.cse5 (= 0 ULTIMATE.start_lis_~prev~0.offset)) (.cse6 (<= 1 ULTIMATE.start_lis_~i~0)) (.cse7 (= 0 ULTIMATE.start_lis_~a.offset)) (.cse8 (<= ULTIMATE.start_lis_~N (div .cse21 4))) (.cse9 (= 0 (mod .cse21 4))) (.cse10 (= .cse11 .cse18)) (.cse12 (= 1 (select |#valid| ULTIMATE.start_lis_~best~0.base))) (.cse13 (= 1 (select |#valid| ULTIMATE.start_lis_~prev~0.base))) (.cse14 (exists ((ULTIMATE.start_lis_~prev~0.base Int) (|ULTIMATE.start_lis_#t~malloc0.base| Int)) (let ((.cse20 (select |#length| |ULTIMATE.start_lis_#t~malloc0.base|))) (let ((.cse19 (div (* .cse20 (- 1)) (- 4)))) (and (not (= |ULTIMATE.start_lis_#t~malloc0.base| ULTIMATE.start_lis_~prev~0.base)) (<= .cse19 (div (select |#length| ULTIMATE.start_lis_~a.base) 4)) (<= 2 .cse19) (not (= |ULTIMATE.start_lis_#t~malloc0.base| ULTIMATE.start_lis_~a.base)) (not (= ULTIMATE.start_lis_~prev~0.base ULTIMATE.start_lis_~a.base)) (= 0 (mod (* .cse20 3) (- 4))) (= (* .cse19 4) (select |#length| ULTIMATE.start_lis_~prev~0.base))))))) (.cse15 (= (select |#length| ULTIMATE.start_lis_~prev~0.base) .cse18))) (or (and (<= ULTIMATE.start_lis_~N 2) (<= ULTIMATE.start_lis_~i~0 2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= (+ ULTIMATE.start_lis_~best~0.offset 8) .cse11) .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse10 .cse16 .cse3 .cse4 .cse12 .cse13 .cse5 (<= ULTIMATE.start_lis_~N 1) .cse15) (and .cse0 .cse2 (exists ((|ULTIMATE.start_lis_#t~malloc1.base| Int) (|ULTIMATE.start_lis_#t~malloc0.base| Int)) (let ((.cse17 (* ULTIMATE.start_lis_~N 4))) (and (= (select |#length| |ULTIMATE.start_lis_#t~malloc0.base|) .cse17) (not (= |ULTIMATE.start_lis_#t~malloc1.base| ULTIMATE.start_lis_~a.base)) (= (select |#length| |ULTIMATE.start_lis_#t~malloc1.base|) .cse17) (not (= |ULTIMATE.start_lis_#t~malloc0.base| |ULTIMATE.start_lis_#t~malloc1.base|)) (not (= |ULTIMATE.start_lis_#t~malloc0.base| ULTIMATE.start_lis_~a.base))))) .cse3 .cse4 .cse5 .cse7 .cse8 .cse9 .cse10 .cse16 .cse12 .cse13 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ULTIMATE.start_lis_~j~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse12 .cse13 .cse14 (<= (+ ULTIMATE.start_lis_~best~0.offset 12) .cse11) .cse15)))) [2020-07-01 12:53:53,786 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr18REQUIRES_VIOLATION(line 23) no Hoare annotation was computed. [2020-07-01 12:53:53,786 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr20REQUIRES_VIOLATION(line 24) no Hoare annotation was computed. [2020-07-01 12:53:53,786 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr14REQUIRES_VIOLATION(line 20) no Hoare annotation was computed. [2020-07-01 12:53:53,787 INFO L268 CegarLoopResult]: For program point L22-2(lines 22 24) no Hoare annotation was computed. [2020-07-01 12:53:53,787 INFO L264 CegarLoopResult]: At program point L22-3(lines 22 24) the Hoare annotation is: (let ((.cse7 (* ULTIMATE.start_lis_~N 4))) (let ((.cse0 (= (select |#length| ULTIMATE.start_lis_~best~0.base) .cse7)) (.cse1 (= 0 ULTIMATE.start_lis_~best~0.offset)) (.cse2 (= 1 (select |#valid| ULTIMATE.start_lis_~best~0.base))) (.cse3 (<= 1 |#StackHeapBarrier|)) (.cse4 (= 1 (select |#valid| ULTIMATE.start_lis_~prev~0.base))) (.cse5 (= 0 ULTIMATE.start_lis_~prev~0.offset)) (.cse6 (= (select |#length| ULTIMATE.start_lis_~prev~0.base) .cse7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_lis_~N 0) (= 0 ULTIMATE.start_lis_~i~0) .cse6) (and .cse0 (<= 1 ULTIMATE.start_main_~array_size~0) .cse1 .cse2 .cse3 .cse4 .cse5 (<= 0 ULTIMATE.start_lis_~i~0) .cse6)))) [2020-07-01 12:53:53,787 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr16REQUIRES_VIOLATION(line 20) no Hoare annotation was computed. [2020-07-01 12:53:53,787 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr10REQUIRES_VIOLATION(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,787 INFO L268 CegarLoopResult]: For program point L18-2(lines 18 20) no Hoare annotation was computed. [2020-07-01 12:53:53,787 INFO L264 CegarLoopResult]: At program point L18-3(lines 18 20) the Hoare annotation is: (let ((.cse20 (* ULTIMATE.start_lis_~N 4)) (.cse21 (select |#length| ULTIMATE.start_lis_~a.base)) (.cse10 (select |#length| ULTIMATE.start_lis_~best~0.base))) (let ((.cse18 (<= 1 ULTIMATE.start_lis_~j~0)) (.cse0 (<= 1 ULTIMATE.start_main_~array_size~0)) (.cse2 (= 1 (select |#valid| ULTIMATE.start_lis_~a.base))) (.cse16 (exists ((|ULTIMATE.start_lis_#t~malloc1.base| Int) (|ULTIMATE.start_lis_#t~malloc0.base| Int)) (let ((.cse22 (* ULTIMATE.start_lis_~N 4))) (and (= (select |#length| |ULTIMATE.start_lis_#t~malloc0.base|) .cse22) (not (= |ULTIMATE.start_lis_#t~malloc1.base| ULTIMATE.start_lis_~a.base)) (= (select |#length| |ULTIMATE.start_lis_#t~malloc1.base|) .cse22) (not (= |ULTIMATE.start_lis_#t~malloc0.base| |ULTIMATE.start_lis_#t~malloc1.base|)) (not (= |ULTIMATE.start_lis_#t~malloc0.base| ULTIMATE.start_lis_~a.base)))))) (.cse17 (= 0 ULTIMATE.start_lis_~best~0.offset)) (.cse3 (<= (+ (* 4 ULTIMATE.start_lis_~i~0) 4) .cse10)) (.cse4 (<= 1 |#StackHeapBarrier|)) (.cse5 (= 0 ULTIMATE.start_lis_~prev~0.offset)) (.cse6 (= 0 ULTIMATE.start_lis_~a.offset)) (.cse19 (<= ULTIMATE.start_lis_~N (div .cse21 4))) (.cse7 (<= 1 ULTIMATE.start_lis_~i~0)) (.cse8 (= 0 (mod .cse21 4))) (.cse9 (= .cse10 .cse20)) (.cse11 (= 1 (select |#valid| ULTIMATE.start_lis_~prev~0.base))) (.cse12 (= 1 (select |#valid| ULTIMATE.start_lis_~best~0.base))) (.cse15 (= (select |#length| ULTIMATE.start_lis_~prev~0.base) .cse20))) (or (and (<= ULTIMATE.start_lis_~N 2) .cse0 (exists ((ULTIMATE.start_lis_~prev~0.base Int) (|ULTIMATE.start_lis_#t~malloc0.base| Int)) (let ((.cse1 (* ULTIMATE.start_lis_~N 4))) (and (= (select |#length| |ULTIMATE.start_lis_#t~malloc0.base|) .cse1) (not (= |ULTIMATE.start_lis_#t~malloc0.base| ULTIMATE.start_lis_~prev~0.base)) (not (= |ULTIMATE.start_lis_#t~malloc0.base| ULTIMATE.start_lis_~a.base)) (not (= ULTIMATE.start_lis_~prev~0.base ULTIMATE.start_lis_~a.base)) (= (select |#length| ULTIMATE.start_lis_~prev~0.base) .cse1)))) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= 0 ULTIMATE.start_lis_~best~0.offset) (<= (+ ULTIMATE.start_lis_~best~0.offset 8) .cse10) .cse11 .cse12 (exists ((ULTIMATE.start_lis_~prev~0.base Int) (|ULTIMATE.start_lis_#t~malloc0.base| Int)) (let ((.cse14 (select |#length| |ULTIMATE.start_lis_#t~malloc0.base|))) (let ((.cse13 (div (* .cse14 (- 1)) (- 4)))) (and (not (= |ULTIMATE.start_lis_#t~malloc0.base| ULTIMATE.start_lis_~prev~0.base)) (<= .cse13 (div (select |#length| ULTIMATE.start_lis_~a.base) 4)) (<= 2 .cse13) (not (= |ULTIMATE.start_lis_#t~malloc0.base| ULTIMATE.start_lis_~a.base)) (not (= ULTIMATE.start_lis_~prev~0.base ULTIMATE.start_lis_~a.base)) (= 0 (mod (* .cse14 3) (- 4))) (= (* .cse13 4) (select |#length| ULTIMATE.start_lis_~prev~0.base)))))) (<= 0 ULTIMATE.start_lis_~j~0) .cse15) (and .cse0 .cse2 .cse16 .cse17 .cse3 .cse4 (<= ULTIMATE.start_lis_~j~0 1) .cse5 .cse18 .cse6 .cse19 .cse7 .cse8 .cse9 .cse11 .cse12 .cse15) (and .cse0 .cse2 .cse16 .cse17 .cse3 .cse4 .cse5 .cse18 .cse6 .cse19 .cse8 .cse9 (<= 2 ULTIMATE.start_lis_~i~0) .cse11 .cse12 .cse15) (and .cse0 .cse2 .cse16 .cse17 .cse3 .cse4 .cse5 .cse6 .cse19 .cse7 .cse8 .cse9 (= 0 ULTIMATE.start_lis_~j~0) .cse11 .cse12 .cse15)))) [2020-07-01 12:53:53,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr12REQUIRES_VIOLATION(line 20) no Hoare annotation was computed. [2020-07-01 12:53:53,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr6REQUIRES_VIOLATION(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,788 INFO L264 CegarLoopResult]: At program point L14-2(lines 14 15) the Hoare annotation is: (let ((.cse11 (select |#length| ULTIMATE.start_lis_~best~0.base)) (.cse16 (* ULTIMATE.start_lis_~N 4)) (.cse8 (select |#length| ULTIMATE.start_lis_~a.base))) (let ((.cse10 (<= 2 ULTIMATE.start_lis_~i~0)) (.cse0 (<= 1 ULTIMATE.start_main_~array_size~0)) (.cse1 (= 1 (select |#valid| ULTIMATE.start_lis_~a.base))) (.cse2 (exists ((|ULTIMATE.start_lis_#t~malloc1.base| Int) (|ULTIMATE.start_lis_#t~malloc0.base| Int)) (let ((.cse17 (* ULTIMATE.start_lis_~N 4))) (and (= (select |#length| |ULTIMATE.start_lis_#t~malloc0.base|) .cse17) (not (= |ULTIMATE.start_lis_#t~malloc1.base| ULTIMATE.start_lis_~a.base)) (= (select |#length| |ULTIMATE.start_lis_#t~malloc1.base|) .cse17) (not (= |ULTIMATE.start_lis_#t~malloc0.base| |ULTIMATE.start_lis_#t~malloc1.base|)) (not (= |ULTIMATE.start_lis_#t~malloc0.base| ULTIMATE.start_lis_~a.base)))))) (.cse3 (= 0 ULTIMATE.start_lis_~best~0.offset)) (.cse4 (<= 1 |#StackHeapBarrier|)) (.cse5 (= 0 ULTIMATE.start_lis_~prev~0.offset)) (.cse6 (= 0 ULTIMATE.start_lis_~a.offset)) (.cse15 (<= ULTIMATE.start_lis_~N (div .cse8 4))) (.cse7 (= 0 (mod .cse8 4))) (.cse9 (= .cse11 .cse16)) (.cse12 (= 1 (select |#valid| ULTIMATE.start_lis_~best~0.base))) (.cse13 (= 1 (select |#valid| ULTIMATE.start_lis_~prev~0.base))) (.cse14 (= (select |#length| ULTIMATE.start_lis_~prev~0.base) .cse16))) (or (and (<= ULTIMATE.start_lis_~i~0 2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= (+ (* 4 ULTIMATE.start_lis_~N) 8) (+ .cse8 (* 4 ULTIMATE.start_lis_~i~0))) .cse9 .cse10 (<= (+ ULTIMATE.start_lis_~best~0.offset 8) .cse11) .cse12 .cse13 .cse14) (and (<= 1 ULTIMATE.start_lis_~N) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ULTIMATE.start_lis_~i~0) .cse6 .cse15 .cse7 .cse9 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse15 .cse7 .cse9 .cse10 .cse12 .cse13 (<= (+ ULTIMATE.start_lis_~best~0.offset 12) .cse11) .cse14) (and (<= ULTIMATE.start_lis_~i~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse15 (<= 1 ULTIMATE.start_lis_~i~0) .cse7 .cse9 .cse12 .cse13 .cse14)))) [2020-07-01 12:53:53,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr8REQUIRES_VIOLATION(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2REQUIRES_VIOLATION(line 15) no Hoare annotation was computed. [2020-07-01 12:53:53,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr4REQUIRES_VIOLATION(line 19) no Hoare annotation was computed. [2020-07-01 12:53:53,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0REQUIRES_VIOLATION(line 15) no Hoare annotation was computed. [2020-07-01 12:53:53,791 INFO L308 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2020-07-01 12:53:53,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,853 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,853 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,877 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,877 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,877 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,884 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,884 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,884 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,884 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,884 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:53,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:53,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:53,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:53,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:53,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:53:53 BasicIcfg [2020-07-01 12:53:53,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:53:53,928 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:53:53,928 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:53:53,932 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:53:53,933 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:53:53,933 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:53:38" (1/5) ... [2020-07-01 12:53:53,933 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74adf463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:53:53, skipping insertion in model container [2020-07-01 12:53:53,933 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:53:53,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:53:38" (2/5) ... [2020-07-01 12:53:53,934 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74adf463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:53:53, skipping insertion in model container [2020-07-01 12:53:53,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:53:53,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:53:39" (3/5) ... [2020-07-01 12:53:53,934 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74adf463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:53:53, skipping insertion in model container [2020-07-01 12:53:53,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:53:53,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:53:39" (4/5) ... [2020-07-01 12:53:53,935 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74adf463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:53:53, skipping insertion in model container [2020-07-01 12:53:53,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:53:53,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:53:53" (5/5) ... [2020-07-01 12:53:53,936 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:53:53,959 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:53:53,960 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:53:53,960 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:53:53,960 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:53:53,960 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:53:53,960 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:53:53,960 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:53:53,960 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:53:53,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states. [2020-07-01 12:53:53,969 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2020-07-01 12:53:53,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:53:53,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:53:53,974 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-01 12:53:53,974 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 12:53:53,974 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:53:53,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states. [2020-07-01 12:53:53,976 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2020-07-01 12:53:53,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:53:53,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:53:53,976 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-01 12:53:53,976 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 12:53:53,982 INFO L794 eck$LassoCheckResult]: Stem: 39#ULTIMATE.startENTRYtrue [279] ULTIMATE.startENTRY-->L31: Formula: (and (= 0 |v_#NULL.base_2|) (< 0 |v_#StackHeapBarrier_3|) (= 0 |v_#NULL.offset_2|) (= |v_#valid_34| (store |v_#valid_35| 0 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #valid=|v_#valid_35|} OutVars{ULTIMATE.start_main_#t~malloc15.offset=|v_ULTIMATE.start_main_#t~malloc15.offset_5|, ULTIMATE.start_main_#t~ret16=|v_ULTIMATE.start_main_#t~ret16_4|, ULTIMATE.start_main_#t~malloc15.base=|v_ULTIMATE.start_main_#t~malloc15.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_3|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_4|, ULTIMATE.start_main_#t~nondet14=|v_ULTIMATE.start_main_#t~nondet14_6|, ULTIMATE.start_main_~array_size~0=v_ULTIMATE.start_main_~array_size~0_8, ULTIMATE.start_main_~numbers~0.base=v_ULTIMATE.start_main_~numbers~0.base_3, #valid=|v_#valid_34|, ULTIMATE.start_main_~numbers~0.offset=v_ULTIMATE.start_main_~numbers~0.offset_3, #NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~malloc15.offset, ULTIMATE.start_main_#t~ret16, ULTIMATE.start_main_#t~malloc15.base, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet14, ULTIMATE.start_main_~array_size~0, ULTIMATE.start_main_~numbers~0.base, #valid, ULTIMATE.start_main_~numbers~0.offset, #NULL.offset, #NULL.base] 37#L31true [181] L31-->L31-2: Formula: (and (= v_ULTIMATE.start_main_~array_size~0_4 1) (< v_ULTIMATE.start_main_~array_size~0_5 1)) InVars {ULTIMATE.start_main_~array_size~0=v_ULTIMATE.start_main_~array_size~0_5} OutVars{ULTIMATE.start_main_~array_size~0=v_ULTIMATE.start_main_~array_size~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~array_size~0] 10#L31-2true [223] L31-2-->L14-2: Formula: (let ((.cse2 (store |v_#valid_6| |v_ULTIMATE.start_main_#t~malloc15.base_2| 1))) (let ((.cse0 (store .cse2 |v_ULTIMATE.start_lis_#t~malloc0.base_1| 1))) (and (< |v_ULTIMATE.start_lis_#t~malloc1.base_1| 0) (= 0 (select |v_#valid_6| |v_ULTIMATE.start_main_#t~malloc15.base_2|)) (= 0 (select .cse0 |v_ULTIMATE.start_lis_#t~malloc1.base_1|)) (= v_ULTIMATE.start_lis_~best~0.offset_1 |v_ULTIMATE.start_lis_#t~malloc0.offset_1|) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_#t~malloc15.base_2|) (= v_ULTIMATE.start_lis_~a.offset_1 |v_ULTIMATE.start_lis_#in~a.offset_1|) (< 0 |v_ULTIMATE.start_lis_#t~malloc0.base_1|) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_lis_#t~malloc0.base_1|) (= 0 |v_ULTIMATE.start_lis_#t~malloc1.offset_1|) (> 0 |v_ULTIMATE.start_main_#t~malloc15.base_2|) (= 0 |v_ULTIMATE.start_main_#t~malloc15.offset_2|) (= |v_ULTIMATE.start_lis_#in~N_1| v_ULTIMATE.start_main_~array_size~0_7) (= v_ULTIMATE.start_lis_~a.base_1 |v_ULTIMATE.start_lis_#in~a.base_1|) (= (store .cse0 |v_ULTIMATE.start_lis_#t~malloc1.base_1| 1) |v_#valid_3|) (= v_ULTIMATE.start_lis_~prev~0.offset_1 |v_ULTIMATE.start_lis_#t~malloc1.offset_1|) (= v_ULTIMATE.start_lis_~i~0_1 0) (= |v_#length_1| (let ((.cse1 (* v_ULTIMATE.start_lis_~N_1 4))) (store (store (store |v_#length_4| |v_ULTIMATE.start_main_#t~malloc15.base_2| (* v_ULTIMATE.start_main_~array_size~0_7 4)) |v_ULTIMATE.start_lis_#t~malloc0.base_1| .cse1) |v_ULTIMATE.start_lis_#t~malloc1.base_1| .cse1))) (= 0 |v_ULTIMATE.start_lis_#t~malloc0.offset_1|) (= v_ULTIMATE.start_lis_~best~0.base_1 |v_ULTIMATE.start_lis_#t~malloc0.base_1|) (= v_ULTIMATE.start_lis_~prev~0.base_1 |v_ULTIMATE.start_lis_#t~malloc1.base_1|) (= v_ULTIMATE.start_main_~numbers~0.offset_2 |v_ULTIMATE.start_main_#t~malloc15.offset_2|) (= v_ULTIMATE.start_main_~numbers~0.base_2 |v_ULTIMATE.start_main_#t~malloc15.base_2|) (= v_ULTIMATE.start_lis_~N_1 |v_ULTIMATE.start_lis_#in~N_1|) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_lis_#t~malloc1.base_1|) (= v_ULTIMATE.start_lis_~max~0_1 0) (= |v_ULTIMATE.start_lis_#in~a.base_1| v_ULTIMATE.start_main_~numbers~0.base_2) (= 0 (select .cse2 |v_ULTIMATE.start_lis_#t~malloc0.base_1|)) (= |v_ULTIMATE.start_lis_#in~a.offset_1| v_ULTIMATE.start_main_~numbers~0.offset_2)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_6|, ULTIMATE.start_main_~array_size~0=v_ULTIMATE.start_main_~array_size~0_7} OutVars{ULTIMATE.start_main_#t~malloc15.base=|v_ULTIMATE.start_main_#t~malloc15.base_2|, ULTIMATE.start_lis_~best~0.base=v_ULTIMATE.start_lis_~best~0.base_1, ULTIMATE.start_lis_#in~a.offset=|v_ULTIMATE.start_lis_#in~a.offset_1|, ULTIMATE.start_lis_#res=|v_ULTIMATE.start_lis_#res_1|, ULTIMATE.start_lis_~max~0=v_ULTIMATE.start_lis_~max~0_1, ULTIMATE.start_lis_~a.base=v_ULTIMATE.start_lis_~a.base_1, ULTIMATE.start_lis_~best~0.offset=v_ULTIMATE.start_lis_~best~0.offset_1, ULTIMATE.start_lis_#in~N=|v_ULTIMATE.start_lis_#in~N_1|, ULTIMATE.start_lis_#t~mem10=|v_ULTIMATE.start_lis_#t~mem10_1|, ULTIMATE.start_main_#t~malloc15.offset=|v_ULTIMATE.start_main_#t~malloc15.offset_2|, ULTIMATE.start_lis_~N=v_ULTIMATE.start_lis_~N_1, ULTIMATE.start_lis_~prev~0.base=v_ULTIMATE.start_lis_~prev~0.base_1, ULTIMATE.start_main_~numbers~0.base=v_ULTIMATE.start_main_~numbers~0.base_2, #length=|v_#length_1|, ULTIMATE.start_lis_~prev~0.offset=v_ULTIMATE.start_lis_~prev~0.offset_1, ULTIMATE.start_lis_#t~mem7=|v_ULTIMATE.start_lis_#t~mem7_1|, ULTIMATE.start_lis_#t~mem6=|v_ULTIMATE.start_lis_#t~mem6_1|, ULTIMATE.start_lis_~j~0=v_ULTIMATE.start_lis_~j~0_1, ULTIMATE.start_lis_#t~mem8=|v_ULTIMATE.start_lis_#t~mem8_1|, ULTIMATE.start_lis_#t~post11=|v_ULTIMATE.start_lis_#t~post11_1|, ULTIMATE.start_lis_#t~mem5=|v_ULTIMATE.start_lis_#t~mem5_1|, ULTIMATE.start_lis_#t~malloc1.offset=|v_ULTIMATE.start_lis_#t~malloc1.offset_1|, ULTIMATE.start_lis_~a.offset=v_ULTIMATE.start_lis_~a.offset_1, ULTIMATE.start_lis_#t~short9=|v_ULTIMATE.start_lis_#t~short9_1|, ULTIMATE.start_lis_#t~mem12=|v_ULTIMATE.start_lis_#t~mem12_1|, #StackHeapBarrier=|v_#StackHeapBarrier_2|, ULTIMATE.start_lis_#t~mem13=|v_ULTIMATE.start_lis_#t~mem13_1|, ULTIMATE.start_lis_~i~0=v_ULTIMATE.start_lis_~i~0_1, ULTIMATE.start_lis_#t~malloc0.offset=|v_ULTIMATE.start_lis_#t~malloc0.offset_1|, ULTIMATE.start_main_~array_size~0=v_ULTIMATE.start_main_~array_size~0_7, #valid=|v_#valid_3|, ULTIMATE.start_main_~numbers~0.offset=v_ULTIMATE.start_main_~numbers~0.offset_2, ULTIMATE.start_lis_#t~malloc0.base=|v_ULTIMATE.start_lis_#t~malloc0.base_1|, ULTIMATE.start_lis_#t~post3=|v_ULTIMATE.start_lis_#t~post3_1|, ULTIMATE.start_lis_#t~post4=|v_ULTIMATE.start_lis_#t~post4_1|, ULTIMATE.start_lis_#t~malloc1.base=|v_ULTIMATE.start_lis_#t~malloc1.base_1|, ULTIMATE.start_lis_#t~post2=|v_ULTIMATE.start_lis_#t~post2_1|, ULTIMATE.start_lis_#in~a.base=|v_ULTIMATE.start_lis_#in~a.base_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~malloc15.base, ULTIMATE.start_lis_~best~0.base, ULTIMATE.start_lis_#in~a.offset, ULTIMATE.start_lis_#res, ULTIMATE.start_lis_~max~0, ULTIMATE.start_lis_~a.base, ULTIMATE.start_lis_~best~0.offset, ULTIMATE.start_lis_#in~N, ULTIMATE.start_lis_#t~mem10, ULTIMATE.start_main_#t~malloc15.offset, ULTIMATE.start_lis_~N, ULTIMATE.start_lis_~prev~0.base, ULTIMATE.start_main_~numbers~0.base, #length, ULTIMATE.start_lis_~prev~0.offset, ULTIMATE.start_lis_#t~mem7, ULTIMATE.start_lis_#t~mem6, ULTIMATE.start_lis_~j~0, ULTIMATE.start_lis_#t~mem8, ULTIMATE.start_lis_#t~post11, ULTIMATE.start_lis_#t~mem5, ULTIMATE.start_lis_#t~malloc1.offset, ULTIMATE.start_lis_~a.offset, ULTIMATE.start_lis_#t~short9, ULTIMATE.start_lis_#t~mem12, ULTIMATE.start_lis_#t~mem13, ULTIMATE.start_lis_~i~0, ULTIMATE.start_lis_#t~malloc0.offset, #valid, ULTIMATE.start_main_~numbers~0.offset, ULTIMATE.start_lis_#t~malloc0.base, ULTIMATE.start_lis_#t~post3, ULTIMATE.start_lis_#t~post4, ULTIMATE.start_lis_#t~malloc1.base, ULTIMATE.start_lis_#t~post2, ULTIMATE.start_lis_#in~a.base] 21#L14-2true [2020-07-01 12:53:53,982 INFO L796 eck$LassoCheckResult]: Loop: 21#L14-2true [135] L14-2-->L15: Formula: (< v_ULTIMATE.start_lis_~i~0_5 v_ULTIMATE.start_lis_~N_4) InVars {ULTIMATE.start_lis_~N=v_ULTIMATE.start_lis_~N_4, ULTIMATE.start_lis_~i~0=v_ULTIMATE.start_lis_~i~0_5} OutVars{ULTIMATE.start_lis_~N=v_ULTIMATE.start_lis_~N_4, ULTIMATE.start_lis_~i~0=v_ULTIMATE.start_lis_~i~0_5} AuxVars[] AssignedVars[] 25#L15true [137] L15-->L15-1: Formula: (let ((.cse0 (* 4 v_ULTIMATE.start_lis_~i~0_6))) (and (<= 0 (+ .cse0 v_ULTIMATE.start_lis_~best~0.offset_4)) (<= (+ .cse0 v_ULTIMATE.start_lis_~best~0.offset_4 4) (select |v_#length_5| v_ULTIMATE.start_lis_~best~0.base_4)) (= |v_#memory_int_1| (store |v_#memory_int_2| v_ULTIMATE.start_lis_~best~0.base_4 (store (select |v_#memory_int_2| v_ULTIMATE.start_lis_~best~0.base_4) (+ (* v_ULTIMATE.start_lis_~i~0_6 4) v_ULTIMATE.start_lis_~best~0.offset_4) 1))) (= 1 (select |v_#valid_7| v_ULTIMATE.start_lis_~best~0.base_4)))) InVars {ULTIMATE.start_lis_~best~0.base=v_ULTIMATE.start_lis_~best~0.base_4, ULTIMATE.start_lis_~i~0=v_ULTIMATE.start_lis_~i~0_6, #valid=|v_#valid_7|, #memory_int=|v_#memory_int_2|, ULTIMATE.start_lis_~best~0.offset=v_ULTIMATE.start_lis_~best~0.offset_4, #length=|v_#length_5|} OutVars{ULTIMATE.start_lis_~best~0.base=v_ULTIMATE.start_lis_~best~0.base_4, ULTIMATE.start_lis_~i~0=v_ULTIMATE.start_lis_~i~0_6, #valid=|v_#valid_7|, #memory_int=|v_#memory_int_1|, ULTIMATE.start_lis_~best~0.offset=v_ULTIMATE.start_lis_~best~0.offset_4, #length=|v_#length_5|} AuxVars[] AssignedVars[#memory_int] 47#L15-1true [281] L15-1-->L14-2: Formula: (let ((.cse0 (* 4 v_ULTIMATE.start_lis_~i~0_39))) (and (<= (+ v_ULTIMATE.start_lis_~prev~0.offset_8 .cse0 4) (select |v_#length_27| v_ULTIMATE.start_lis_~prev~0.base_10)) (<= 0 (+ v_ULTIMATE.start_lis_~prev~0.offset_8 .cse0)) (= (store |v_#memory_int_17| v_ULTIMATE.start_lis_~prev~0.base_10 (store (select |v_#memory_int_17| v_ULTIMATE.start_lis_~prev~0.base_10) (+ v_ULTIMATE.start_lis_~prev~0.offset_8 (* v_ULTIMATE.start_lis_~i~0_39 4)) v_ULTIMATE.start_lis_~i~0_39)) |v_#memory_int_16|) (= (+ v_ULTIMATE.start_lis_~i~0_39 1) v_ULTIMATE.start_lis_~i~0_38) (= 1 (select |v_#valid_36| v_ULTIMATE.start_lis_~prev~0.base_10)))) InVars {ULTIMATE.start_lis_~i~0=v_ULTIMATE.start_lis_~i~0_39, ULTIMATE.start_lis_~prev~0.base=v_ULTIMATE.start_lis_~prev~0.base_10, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_17|, #length=|v_#length_27|, ULTIMATE.start_lis_~prev~0.offset=v_ULTIMATE.start_lis_~prev~0.offset_8} OutVars{ULTIMATE.start_lis_~i~0=v_ULTIMATE.start_lis_~i~0_38, ULTIMATE.start_lis_~prev~0.base=v_ULTIMATE.start_lis_~prev~0.base_10, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_16|, #length=|v_#length_27|, ULTIMATE.start_lis_#t~post2=|v_ULTIMATE.start_lis_#t~post2_4|, ULTIMATE.start_lis_~prev~0.offset=v_ULTIMATE.start_lis_~prev~0.offset_8} AuxVars[] AssignedVars[ULTIMATE.start_lis_~i~0, #memory_int, ULTIMATE.start_lis_#t~post2] 21#L14-2true [2020-07-01 12:53:53,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:53,983 INFO L82 PathProgramCache]: Analyzing trace with hash 303744, now seen corresponding path program 1 times [2020-07-01 12:53:53,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:53,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22208762] [2020-07-01 12:53:53,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:53:53,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:53:53,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22208762] [2020-07-01 12:53:53,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:53:53,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-01 12:53:53,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32303239] [2020-07-01 12:53:53,997 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-07-01 12:53:53,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:53:53,997 INFO L82 PathProgramCache]: Analyzing trace with hash 164054, now seen corresponding path program 1 times [2020-07-01 12:53:53,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:53:53,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067910486] [2020-07-01 12:53:53,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:53:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:53:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:53:54,022 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:53:54,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:53:54,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:53:54,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:53:54,088 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 3 states. [2020-07-01 12:53:54,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:53:54,170 INFO L93 Difference]: Finished difference Result 47 states and 78 transitions. [2020-07-01 12:53:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:53:54,173 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: unknown kind of automaton at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.toString(AutomatonDefinitionPrinter.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.TermcompProofBenchmark.reportFiniteModule(TermcompProofBenchmark.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:978) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-01 12:53:54,177 INFO L168 Benchmark]: Toolchain (without parser) took 15529.29 ms. Allocated memory was 649.6 MB in the beginning and 907.5 MB in the end (delta: 257.9 MB). Free memory was 561.3 MB in the beginning and 643.3 MB in the end (delta: -82.0 MB). Peak memory consumption was 176.0 MB. Max. memory is 50.3 GB. [2020-07-01 12:53:54,177 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 583.2 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:53:54,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.63 ms. Allocated memory was 649.6 MB in the beginning and 699.9 MB in the end (delta: 50.3 MB). Free memory was 561.3 MB in the beginning and 661.4 MB in the end (delta: -100.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 50.3 GB. [2020-07-01 12:53:54,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.56 ms. Allocated memory is still 699.9 MB. Free memory was 661.4 MB in the beginning and 659.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-07-01 12:53:54,178 INFO L168 Benchmark]: Boogie Preprocessor took 30.84 ms. Allocated memory is still 699.9 MB. Free memory was 659.2 MB in the beginning and 657.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-07-01 12:53:54,178 INFO L168 Benchmark]: RCFGBuilder took 442.32 ms. Allocated memory is still 699.9 MB. Free memory was 657.1 MB in the beginning and 625.1 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 50.3 GB. [2020-07-01 12:53:54,179 INFO L168 Benchmark]: BlockEncodingV2 took 162.03 ms. Allocated memory is still 699.9 MB. Free memory was 625.1 MB in the beginning and 612.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:53:54,179 INFO L168 Benchmark]: TraceAbstraction took 14254.02 ms. Allocated memory was 699.9 MB in the beginning and 907.5 MB in the end (delta: 207.6 MB). Free memory was 611.0 MB in the beginning and 678.0 MB in the end (delta: -66.9 MB). Peak memory consumption was 361.7 MB. Max. memory is 50.3 GB. [2020-07-01 12:53:54,179 INFO L168 Benchmark]: BuchiAutomizer took 247.05 ms. Allocated memory is still 907.5 MB. Free memory was 678.0 MB in the beginning and 643.3 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:53:54,182 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 59 locations, 70 edges - StatisticsResult: Encoded RCFG 47 locations, 85 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 583.2 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 342.63 ms. Allocated memory was 649.6 MB in the beginning and 699.9 MB in the end (delta: 50.3 MB). Free memory was 561.3 MB in the beginning and 661.4 MB in the end (delta: -100.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 44.56 ms. Allocated memory is still 699.9 MB. Free memory was 661.4 MB in the beginning and 659.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 30.84 ms. Allocated memory is still 699.9 MB. Free memory was 659.2 MB in the beginning and 657.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * RCFGBuilder took 442.32 ms. Allocated memory is still 699.9 MB. Free memory was 657.1 MB in the beginning and 625.1 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 162.03 ms. Allocated memory is still 699.9 MB. Free memory was 625.1 MB in the beginning and 612.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. * TraceAbstraction took 14254.02 ms. Allocated memory was 699.9 MB in the beginning and 907.5 MB in the end (delta: 207.6 MB). Free memory was 611.0 MB in the beginning and 678.0 MB in the end (delta: -66.9 MB). Peak memory consumption was 361.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 247.05 ms. Allocated memory is still 907.5 MB. Free memory was 678.0 MB in the beginning and 643.3 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 24]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 24]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant [2020-07-01 12:53:54,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((((((((((((((((N <= 2 && 1 <= array_size) && (\exists ULTIMATE.start_lis_~prev~0.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] == N * 4 && !(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_~prev~0.base)) && !(ULTIMATE.start_lis_#t~malloc0.base == a)) && !(ULTIMATE.start_lis_~prev~0.base == a)) && unknown-#length-unknown[ULTIMATE.start_lis_~prev~0.base] == N * 4)) && 1 == \valid[a]) && 4 * i + 4 <= unknown-#length-unknown[best]) && 1 <= unknown-#StackHeapBarrier-unknown) && 0 == prev) && 0 == a) && 1 <= i) && 0 == unknown-#length-unknown[a] % 4) && unknown-#length-unknown[best] == N * 4) && 0 <= best) && best + 8 <= unknown-#length-unknown[best]) && 1 == \valid[prev]) && 1 == \valid[best]) && (\exists ULTIMATE.start_lis_~prev~0.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((((!(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_~prev~0.base) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] * -1 / -4 <= unknown-#length-unknown[a] / 4) && 2 <= unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] * -1 / -4) && !(ULTIMATE.start_lis_#t~malloc0.base == a)) && !(ULTIMATE.start_lis_~prev~0.base == a)) && 0 == unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] * 3 % -4) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] * -1 / -4 * 4 == unknown-#length-unknown[ULTIMATE.start_lis_~prev~0.base])) && 0 <= j) && unknown-#length-unknown[prev] == N * 4) || ((((((((((((((((1 <= array_size && 1 == \valid[a]) && (\exists ULTIMATE.start_lis_#t~malloc1.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] == N * 4 && !(ULTIMATE.start_lis_#t~malloc1.base == a)) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc1.base] == N * 4) && !(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_#t~malloc1.base)) && !(ULTIMATE.start_lis_#t~malloc0.base == a))) && 0 == best) && 4 * i + 4 <= unknown-#length-unknown[best]) && 1 <= unknown-#StackHeapBarrier-unknown) && j <= 1) && 0 == prev) && 1 <= j) && 0 == a) && N <= unknown-#length-unknown[a] / 4) && 1 <= i) && 0 == unknown-#length-unknown[a] % 4) && unknown-#length-unknown[best] == N * 4) && 1 == \valid[prev]) && 1 == \valid[best]) && unknown-#length-unknown[prev] == N * 4)) || (((((((((((((((1 <= array_size && 1 == \valid[a]) && (\exists ULTIMATE.start_lis_#t~malloc1.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] == N * 4 && !(ULTIMATE.start_lis_#t~malloc1.base == a)) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc1.base] == N * 4) && !(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_#t~malloc1.base)) && !(ULTIMATE.start_lis_#t~malloc0.base == a))) && 0 == best) && 4 * i + 4 <= unknown-#length-unknown[best]) && 1 <= unknown-#StackHeapBarrier-unknown) && 0 == prev) && 1 <= j) && 0 == a) && N <= unknown-#length-unknown[a] / 4) && 0 == unknown-#length-unknown[a] % 4) && unknown-#length-unknown[best] == N * 4) && 2 <= i) && 1 == \valid[prev]) && 1 == \valid[best]) && unknown-#length-unknown[prev] == N * 4)) || (((((((((((((((1 <= array_size && 1 == \valid[a]) && (\exists ULTIMATE.start_lis_#t~malloc1.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] == N * 4 && !(ULTIMATE.start_lis_#t~malloc1.base == a)) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc1.base] == N * 4) && !(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_#t~malloc1.base)) && !(ULTIMATE.start_lis_#t~malloc0.base == a))) && 0 == best) && 4 * i + 4 <= unknown-#length-unknown[best]) && 1 <= unknown-#StackHeapBarrier-unknown) && 0 == prev) && 0 == a) && N <= unknown-#length-unknown[a] / 4) && 1 <= i) && 0 == unknown-#length-unknown[a] % 4) && unknown-#length-unknown[best] == N * 4) && 0 == j) && 1 == \valid[prev]) && 1 == \valid[best]) && unknown-#length-unknown[prev] == N * 4) - InvariantResult [Line: 14]: Loop Invariant [2020-07-01 12:53:54,232 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,238 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,238 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,239 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,239 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,239 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,239 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,239 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,239 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,243 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,243 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,243 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,243 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,243 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((((((((((((((i <= 2 && 1 <= array_size) && 1 == \valid[a]) && (\exists ULTIMATE.start_lis_#t~malloc1.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] == N * 4 && !(ULTIMATE.start_lis_#t~malloc1.base == a)) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc1.base] == N * 4) && !(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_#t~malloc1.base)) && !(ULTIMATE.start_lis_#t~malloc0.base == a))) && 0 == best) && 1 <= unknown-#StackHeapBarrier-unknown) && 0 == prev) && 0 == a) && 0 == unknown-#length-unknown[a] % 4) && 4 * N + 8 <= unknown-#length-unknown[a] + 4 * i) && unknown-#length-unknown[best] == N * 4) && 2 <= i) && best + 8 <= unknown-#length-unknown[best]) && 1 == \valid[best]) && 1 == \valid[prev]) && unknown-#length-unknown[prev] == N * 4) || ((((((((((((((1 <= N && 1 <= array_size) && 1 == \valid[a]) && (\exists ULTIMATE.start_lis_#t~malloc1.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] == N * 4 && !(ULTIMATE.start_lis_#t~malloc1.base == a)) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc1.base] == N * 4) && !(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_#t~malloc1.base)) && !(ULTIMATE.start_lis_#t~malloc0.base == a))) && 0 == best) && 1 <= unknown-#StackHeapBarrier-unknown) && 0 == prev) && 0 == i) && 0 == a) && N <= unknown-#length-unknown[a] / 4) && 0 == unknown-#length-unknown[a] % 4) && unknown-#length-unknown[best] == N * 4) && 1 == \valid[best]) && 1 == \valid[prev]) && unknown-#length-unknown[prev] == N * 4)) || ((((((((((((((1 <= array_size && 1 == \valid[a]) && (\exists ULTIMATE.start_lis_#t~malloc1.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] == N * 4 && !(ULTIMATE.start_lis_#t~malloc1.base == a)) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc1.base] == N * 4) && !(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_#t~malloc1.base)) && !(ULTIMATE.start_lis_#t~malloc0.base == a))) && 0 == best) && 1 <= unknown-#StackHeapBarrier-unknown) && 0 == prev) && 0 == a) && N <= unknown-#length-unknown[a] / 4) && 0 == unknown-#length-unknown[a] % 4) && unknown-#length-unknown[best] == N * 4) && 2 <= i) && 1 == \valid[best]) && 1 == \valid[prev]) && best + 12 <= unknown-#length-unknown[best]) && unknown-#length-unknown[prev] == N * 4)) || ((((((((((((((i <= 1 && 1 <= array_size) && 1 == \valid[a]) && (\exists ULTIMATE.start_lis_#t~malloc1.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] == N * 4 && !(ULTIMATE.start_lis_#t~malloc1.base == a)) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc1.base] == N * 4) && !(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_#t~malloc1.base)) && !(ULTIMATE.start_lis_#t~malloc0.base == a))) && 0 == best) && 1 <= unknown-#StackHeapBarrier-unknown) && 0 == prev) && 0 == a) && N <= unknown-#length-unknown[a] / 4) && 1 <= i) && 0 == unknown-#length-unknown[a] % 4) && unknown-#length-unknown[best] == N * 4) && 1 == \valid[best]) && 1 == \valid[prev]) && unknown-#length-unknown[prev] == N * 4) - InvariantResult [Line: 22]: Loop Invariant [2020-07-01 12:53:54,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((unknown-#length-unknown[best] == N * 4 && 0 == best) && 1 == \valid[best]) && 1 <= unknown-#StackHeapBarrier-unknown) && 1 == \valid[prev]) && 0 == prev) && N <= 0) && 0 == i) && unknown-#length-unknown[prev] == N * 4) || ((((((((unknown-#length-unknown[best] == N * 4 && 1 <= array_size) && 0 == best) && 1 == \valid[best]) && 1 <= unknown-#StackHeapBarrier-unknown) && 1 == \valid[prev]) && 0 == prev) && 0 <= i) && unknown-#length-unknown[prev] == N * 4) - InvariantResult [Line: 17]: Loop Invariant [2020-07-01 12:53:54,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc1.base,QUANTIFIED] [2020-07-01 12:53:54,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,281 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,281 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_#t~malloc0.base,QUANTIFIED] [2020-07-01 12:53:54,281 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_lis_~prev~0.base,QUANTIFIED] [2020-07-01 12:53:54,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:53:54,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:53:54,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((((((((((((((((N <= 2 && i <= 2) && 1 <= array_size) && (\exists ULTIMATE.start_lis_~prev~0.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] == N * 4 && !(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_~prev~0.base)) && !(ULTIMATE.start_lis_#t~malloc0.base == a)) && !(ULTIMATE.start_lis_~prev~0.base == a)) && unknown-#length-unknown[ULTIMATE.start_lis_~prev~0.base] == N * 4)) && 1 == \valid[a]) && 0 == best) && 1 <= unknown-#StackHeapBarrier-unknown) && 0 == prev) && 1 <= i) && 0 == a) && N <= unknown-#length-unknown[a] / 4) && 0 == unknown-#length-unknown[a] % 4) && unknown-#length-unknown[best] == N * 4) && best + 8 <= unknown-#length-unknown[best]) && 1 == \valid[best]) && 1 == \valid[prev]) && (\exists ULTIMATE.start_lis_~prev~0.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((((!(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_~prev~0.base) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] * -1 / -4 <= unknown-#length-unknown[a] / 4) && 2 <= unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] * -1 / -4) && !(ULTIMATE.start_lis_#t~malloc0.base == a)) && !(ULTIMATE.start_lis_~prev~0.base == a)) && 0 == unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] * 3 % -4) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] * -1 / -4 * 4 == unknown-#length-unknown[ULTIMATE.start_lis_~prev~0.base])) && unknown-#length-unknown[prev] == N * 4) || (((((((((1 <= array_size && unknown-#length-unknown[best] == N * 4) && 1 == i) && 0 == best) && 1 <= unknown-#StackHeapBarrier-unknown) && 1 == \valid[best]) && 1 == \valid[prev]) && 0 == prev) && N <= 1) && unknown-#length-unknown[prev] == N * 4)) || (((((((((((((1 <= array_size && 1 == \valid[a]) && (\exists ULTIMATE.start_lis_#t~malloc1.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] == N * 4 && !(ULTIMATE.start_lis_#t~malloc1.base == a)) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc1.base] == N * 4) && !(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_#t~malloc1.base)) && !(ULTIMATE.start_lis_#t~malloc0.base == a))) && 0 == best) && 1 <= unknown-#StackHeapBarrier-unknown) && 0 == prev) && 0 == a) && N <= unknown-#length-unknown[a] / 4) && 0 == unknown-#length-unknown[a] % 4) && unknown-#length-unknown[best] == N * 4) && 1 == i) && 1 == \valid[best]) && 1 == \valid[prev]) && unknown-#length-unknown[prev] == N * 4)) || ((((((((((((((((1 <= array_size && (\exists ULTIMATE.start_lis_~prev~0.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] == N * 4 && !(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_~prev~0.base)) && !(ULTIMATE.start_lis_#t~malloc0.base == a)) && !(ULTIMATE.start_lis_~prev~0.base == a)) && unknown-#length-unknown[ULTIMATE.start_lis_~prev~0.base] == N * 4)) && 1 == \valid[a]) && 0 == best) && 1 <= unknown-#StackHeapBarrier-unknown) && 0 == prev) && 1 <= j) && 1 <= i) && 0 == a) && N <= unknown-#length-unknown[a] / 4) && 0 == unknown-#length-unknown[a] % 4) && unknown-#length-unknown[best] == N * 4) && 1 == \valid[best]) && 1 == \valid[prev]) && (\exists ULTIMATE.start_lis_~prev~0.base : int, ULTIMATE.start_lis_#t~malloc0.base : int :: (((((!(ULTIMATE.start_lis_#t~malloc0.base == ULTIMATE.start_lis_~prev~0.base) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] * -1 / -4 <= unknown-#length-unknown[a] / 4) && 2 <= unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] * -1 / -4) && !(ULTIMATE.start_lis_#t~malloc0.base == a)) && !(ULTIMATE.start_lis_~prev~0.base == a)) && 0 == unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] * 3 % -4) && unknown-#length-unknown[ULTIMATE.start_lis_#t~malloc0.base] * -1 / -4 * 4 == unknown-#length-unknown[ULTIMATE.start_lis_~prev~0.base])) && best + 12 <= unknown-#length-unknown[best]) && unknown-#length-unknown[prev] == N * 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 22 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.3s, OverallIterations: 30, TraceHistogramMax: 4, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 425 SDtfs, 2239 SDslu, 910 SDs, 0 SdLazy, 2385 SolverSat, 163 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 484 GetRequests, 323 SyntacticMatches, 5 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 30 MinimizatonAttempts, 180 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 23 NumberOfFragments, 1397 HoareAnnotationTreeSize, 4 FomulaSimplifications, 6865 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 4665 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 861 NumberOfCodeBlocks, 786 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 817 ConstructedInterpolants, 32 QuantifiedInterpolants, 130561 SizeOfPredicates, 42 NumberOfNonLiveVariables, 1511 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 44 InterpolantComputations, 23 PerfectInterpolantSequences, 414/581 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: unknown kind of automaton de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: unknown kind of automaton: de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. !SESSION 2020-07-01 12:53:35.401 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp/BenchExec_run_e42pWc/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:53:54.517 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check