/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:31:51,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:31:51,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:31:51,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:31:51,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:31:51,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:31:51,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:31:51,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:31:51,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:31:51,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:31:51,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:31:51,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:31:51,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:31:51,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:31:51,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:31:51,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:31:51,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:31:51,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:31:51,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:31:51,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:31:51,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:31:51,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:31:51,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:31:51,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:31:51,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:31:51,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:31:51,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:31:51,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:31:51,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:31:51,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:31:51,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:31:51,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:31:51,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:31:51,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:31:51,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:31:51,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:31:51,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:31:51,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:31:51,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:31:51,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:31:51,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:31:51,738 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 12:31:51,753 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:31:51,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:31:51,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:31:51,754 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:31:51,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:31:51,755 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:31:51,755 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:31:51,755 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:31:51,755 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:31:51,755 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:31:51,755 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:31:51,756 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:31:51,756 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:31:51,756 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:31:51,756 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:31:51,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:31:51,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:31:51,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:31:51,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:31:51,757 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:31:51,757 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:31:51,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:31:51,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:31:51,758 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:31:51,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:31:51,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:31:51,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:31:51,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:31:51,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:31:51,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:31:51,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:31:51,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:31:51,938 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:31:51,938 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:31:51,939 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:31:52,000 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_zz7jf4/tmp/5d00fbfacba7464ba13f39c71ff39d8a/FLAG558bc7ea3 [2020-07-01 12:31:52,332 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:31:52,333 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:31:52,333 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2020-07-01 12:31:52,341 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_zz7jf4/tmp/5d00fbfacba7464ba13f39c71ff39d8a/FLAG558bc7ea3 [2020-07-01 12:31:52,744 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_zz7jf4/tmp/5d00fbfacba7464ba13f39c71ff39d8a [2020-07-01 12:31:52,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:31:52,757 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:31:52,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:31:52,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:31:52,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:31:52,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:31:52" (1/1) ... [2020-07-01 12:31:52,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b569842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:52, skipping insertion in model container [2020-07-01 12:31:52,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:31:52" (1/1) ... [2020-07-01 12:31:52,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:31:52,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:31:53,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:31:53,041 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:31:53,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:31:53,078 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:31:53,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53 WrapperNode [2020-07-01 12:31:53,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:31:53,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:31:53,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:31:53,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:31:53,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53" (1/1) ... [2020-07-01 12:31:53,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53" (1/1) ... [2020-07-01 12:31:53,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:31:53,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:31:53,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:31:53,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:31:53,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53" (1/1) ... [2020-07-01 12:31:53,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53" (1/1) ... [2020-07-01 12:31:53,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53" (1/1) ... [2020-07-01 12:31:53,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53" (1/1) ... [2020-07-01 12:31:53,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53" (1/1) ... [2020-07-01 12:31:53,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53" (1/1) ... [2020-07-01 12:31:53,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53" (1/1) ... [2020-07-01 12:31:53,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:31:53,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:31:53,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:31:53,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:31:53,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53" (1/1) ... No working directory specified, using /export/starexec/sandbox/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 12:31:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-01 12:31:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:31:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:31:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-01 12:31:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-01 12:31:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-01 12:31:53,849 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:31:53,849 INFO L295 CfgBuilder]: Removed 13 assume(true) statements. [2020-07-01 12:31:53,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:31:53 BoogieIcfgContainer [2020-07-01 12:31:53,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:31:53,855 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:31:53,855 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:31:53,857 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:31:53,858 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:31:53" (1/1) ... [2020-07-01 12:31:53,880 INFO L313 BlockEncoder]: Initial Icfg 187 locations, 222 edges [2020-07-01 12:31:53,882 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:31:53,883 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:31:53,883 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:31:53,883 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:31:53,885 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:31:53,886 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:31:53,886 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:31:53,931 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:31:53,987 INFO L200 BlockEncoder]: SBE split 125 edges [2020-07-01 12:31:53,993 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 12:31:53,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:31:54,039 INFO L100 BaseMinimizeStates]: Removed 28 edges and 14 locations by large block encoding [2020-07-01 12:31:54,042 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 12:31:54,044 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:31:54,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:31:54,048 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 12:31:54,049 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:31:54,049 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:31:54,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:31:54,050 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:31:54,051 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:31:54,052 INFO L313 BlockEncoder]: Encoded RCFG 171 locations, 340 edges [2020-07-01 12:31:54,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:31:54 BasicIcfg [2020-07-01 12:31:54,053 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:31:54,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:31:54,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:31:54,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:31:54,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:31:52" (1/4) ... [2020-07-01 12:31:54,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182b105c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:31:54, skipping insertion in model container [2020-07-01 12:31:54,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53" (2/4) ... [2020-07-01 12:31:54,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182b105c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:31:54, skipping insertion in model container [2020-07-01 12:31:54,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:31:53" (3/4) ... [2020-07-01 12:31:54,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182b105c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:31:54, skipping insertion in model container [2020-07-01 12:31:54,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:31:54" (4/4) ... [2020-07-01 12:31:54,062 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:31:54,073 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:31:54,081 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2020-07-01 12:31:54,095 INFO L251 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2020-07-01 12:31:54,120 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:31:54,120 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:31:54,120 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:31:54,120 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:31:54,120 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:31:54,120 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:31:54,121 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:31:54,121 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:31:54,139 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-01 12:31:54,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-07-01 12:31:54,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:31:54,147 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-07-01 12:31:54,147 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-07-01 12:31:54,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:31:54,153 INFO L82 PathProgramCache]: Analyzing trace with hash 534873, now seen corresponding path program 1 times [2020-07-01 12:31:54,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:31:54,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142570815] [2020-07-01 12:31:54,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:31:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:31:54,313 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 12:31:54,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142570815] [2020-07-01 12:31:54,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:31:54,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:31:54,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281529610] [2020-07-01 12:31:54,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:31:54,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:31:54,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:31:54,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:31:54,338 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 3 states. [2020-07-01 12:31:54,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:31:54,794 INFO L93 Difference]: Finished difference Result 340 states and 675 transitions. [2020-07-01 12:31:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:31:54,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-07-01 12:31:54,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:31:54,813 INFO L225 Difference]: With dead ends: 340 [2020-07-01 12:31:54,813 INFO L226 Difference]: Without dead ends: 171 [2020-07-01 12:31:54,817 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 12:31:54,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-07-01 12:31:54,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2020-07-01 12:31:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-07-01 12:31:54,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 329 transitions. [2020-07-01 12:31:54,872 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 329 transitions. Word has length 3 [2020-07-01 12:31:54,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:31:54,872 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 329 transitions. [2020-07-01 12:31:54,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:31:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 329 transitions. [2020-07-01 12:31:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-07-01 12:31:54,873 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:31:54,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-07-01 12:31:54,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-01 12:31:54,875 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-07-01 12:31:54,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:31:54,875 INFO L82 PathProgramCache]: Analyzing trace with hash 534935, now seen corresponding path program 1 times [2020-07-01 12:31:54,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:31:54,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11766087] [2020-07-01 12:31:54,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:31:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:31:54,923 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 12:31:54,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11766087] [2020-07-01 12:31:54,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:31:54,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:31:54,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290452430] [2020-07-01 12:31:54,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:31:54,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:31:54,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:31:54,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:31:54,927 INFO L87 Difference]: Start difference. First operand 171 states and 329 transitions. Second operand 3 states. [2020-07-01 12:31:55,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:31:55,566 INFO L93 Difference]: Finished difference Result 289 states and 559 transitions. [2020-07-01 12:31:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:31:55,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-07-01 12:31:55,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:31:55,569 INFO L225 Difference]: With dead ends: 289 [2020-07-01 12:31:55,569 INFO L226 Difference]: Without dead ends: 283 [2020-07-01 12:31:55,570 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 12:31:55,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-07-01 12:31:55,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 175. [2020-07-01 12:31:55,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-07-01 12:31:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 349 transitions. [2020-07-01 12:31:55,587 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 349 transitions. Word has length 3 [2020-07-01 12:31:55,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:31:55,587 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 349 transitions. [2020-07-01 12:31:55,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:31:55,587 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 349 transitions. [2020-07-01 12:31:55,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-07-01 12:31:55,588 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:31:55,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-07-01 12:31:55,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-01 12:31:55,588 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-07-01 12:31:55,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:31:55,589 INFO L82 PathProgramCache]: Analyzing trace with hash 534937, now seen corresponding path program 1 times [2020-07-01 12:31:55,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:31:55,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981708747] [2020-07-01 12:31:55,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:31:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:31:55,622 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 12:31:55,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981708747] [2020-07-01 12:31:55,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:31:55,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:31:55,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679646804] [2020-07-01 12:31:55,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:31:55,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:31:55,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:31:55,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:31:55,625 INFO L87 Difference]: Start difference. First operand 175 states and 349 transitions. Second operand 3 states. [2020-07-01 12:31:55,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:31:55,942 INFO L93 Difference]: Finished difference Result 175 states and 349 transitions. [2020-07-01 12:31:55,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:31:55,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-07-01 12:31:55,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:31:55,944 INFO L225 Difference]: With dead ends: 175 [2020-07-01 12:31:55,945 INFO L226 Difference]: Without dead ends: 169 [2020-07-01 12:31:55,945 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 12:31:55,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-01 12:31:55,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2020-07-01 12:31:55,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-07-01 12:31:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 333 transitions. [2020-07-01 12:31:55,957 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 333 transitions. Word has length 3 [2020-07-01 12:31:55,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:31:55,957 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 333 transitions. [2020-07-01 12:31:55,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:31:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 333 transitions. [2020-07-01 12:31:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-01 12:31:55,958 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:31:55,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:31:55,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-01 12:31:55,959 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-07-01 12:31:55,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:31:55,959 INFO L82 PathProgramCache]: Analyzing trace with hash 2077530375, now seen corresponding path program 1 times [2020-07-01 12:31:55,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:31:55,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245982542] [2020-07-01 12:31:55,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:31:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:31:55,999 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 12:31:56,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245982542] [2020-07-01 12:31:56,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:31:56,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:31:56,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142320575] [2020-07-01 12:31:56,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:31:56,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:31:56,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:31:56,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:31:56,002 INFO L87 Difference]: Start difference. First operand 169 states and 333 transitions. Second operand 3 states. [2020-07-01 12:31:56,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:31:56,310 INFO L93 Difference]: Finished difference Result 169 states and 333 transitions. [2020-07-01 12:31:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:31:56,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-01 12:31:56,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:31:56,312 INFO L225 Difference]: With dead ends: 169 [2020-07-01 12:31:56,312 INFO L226 Difference]: Without dead ends: 133 [2020-07-01 12:31:56,313 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 12:31:56,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-01 12:31:56,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-01 12:31:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-01 12:31:56,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 261 transitions. [2020-07-01 12:31:56,321 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 261 transitions. Word has length 9 [2020-07-01 12:31:56,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:31:56,322 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 261 transitions. [2020-07-01 12:31:56,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:31:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 261 transitions. [2020-07-01 12:31:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-01 12:31:56,323 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:31:56,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:31:56,323 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-01 12:31:56,323 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-07-01 12:31:56,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:31:56,324 INFO L82 PathProgramCache]: Analyzing trace with hash 2077530377, now seen corresponding path program 1 times [2020-07-01 12:31:56,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:31:56,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514071106] [2020-07-01 12:31:56,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:31:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:31:56,364 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 12:31:56,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514071106] [2020-07-01 12:31:56,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:31:56,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:31:56,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459622916] [2020-07-01 12:31:56,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:31:56,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:31:56,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:31:56,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:31:56,366 INFO L87 Difference]: Start difference. First operand 133 states and 261 transitions. Second operand 3 states. [2020-07-01 12:31:56,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:31:56,668 INFO L93 Difference]: Finished difference Result 144 states and 278 transitions. [2020-07-01 12:31:56,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:31:56,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-01 12:31:56,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:31:56,670 INFO L225 Difference]: With dead ends: 144 [2020-07-01 12:31:56,670 INFO L226 Difference]: Without dead ends: 108 [2020-07-01 12:31:56,671 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 12:31:56,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-07-01 12:31:56,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2020-07-01 12:31:56,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-01 12:31:56,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 189 transitions. [2020-07-01 12:31:56,677 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 189 transitions. Word has length 9 [2020-07-01 12:31:56,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:31:56,677 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 189 transitions. [2020-07-01 12:31:56,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:31:56,678 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 189 transitions. [2020-07-01 12:31:56,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-01 12:31:56,678 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:31:56,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:31:56,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-01 12:31:56,679 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-07-01 12:31:56,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:31:56,679 INFO L82 PathProgramCache]: Analyzing trace with hash -854766394, now seen corresponding path program 1 times [2020-07-01 12:31:56,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:31:56,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757076980] [2020-07-01 12:31:56,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:31:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:31:56,708 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 12:31:56,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757076980] [2020-07-01 12:31:56,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:31:56,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:31:56,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493102901] [2020-07-01 12:31:56,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:31:56,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:31:56,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:31:56,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:31:56,710 INFO L87 Difference]: Start difference. First operand 97 states and 189 transitions. Second operand 3 states. [2020-07-01 12:31:56,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:31:56,984 INFO L93 Difference]: Finished difference Result 149 states and 285 transitions. [2020-07-01 12:31:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:31:56,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-01 12:31:56,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:31:56,986 INFO L225 Difference]: With dead ends: 149 [2020-07-01 12:31:56,986 INFO L226 Difference]: Without dead ends: 146 [2020-07-01 12:31:56,987 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 12:31:56,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-01 12:31:56,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 97. [2020-07-01 12:31:56,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-01 12:31:56,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 187 transitions. [2020-07-01 12:31:56,993 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 187 transitions. Word has length 10 [2020-07-01 12:31:56,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:31:56,993 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 187 transitions. [2020-07-01 12:31:56,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:31:56,993 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 187 transitions. [2020-07-01 12:31:56,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-01 12:31:56,994 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:31:56,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:31:56,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-01 12:31:56,995 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-07-01 12:31:56,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:31:56,995 INFO L82 PathProgramCache]: Analyzing trace with hash -854766392, now seen corresponding path program 1 times [2020-07-01 12:31:56,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:31:56,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198487806] [2020-07-01 12:31:56,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:31:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:31:57,025 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 12:31:57,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198487806] [2020-07-01 12:31:57,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:31:57,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:31:57,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504929022] [2020-07-01 12:31:57,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:31:57,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:31:57,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:31:57,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:31:57,027 INFO L87 Difference]: Start difference. First operand 97 states and 187 transitions. Second operand 3 states. [2020-07-01 12:31:57,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:31:57,118 INFO L93 Difference]: Finished difference Result 100 states and 187 transitions. [2020-07-01 12:31:57,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:31:57,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-01 12:31:57,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:31:57,120 INFO L225 Difference]: With dead ends: 100 [2020-07-01 12:31:57,120 INFO L226 Difference]: Without dead ends: 97 [2020-07-01 12:31:57,120 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 12:31:57,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-01 12:31:57,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-07-01 12:31:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-01 12:31:57,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 181 transitions. [2020-07-01 12:31:57,126 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 181 transitions. Word has length 10 [2020-07-01 12:31:57,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:31:57,126 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 181 transitions. [2020-07-01 12:31:57,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:31:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 181 transitions. [2020-07-01 12:31:57,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-01 12:31:57,127 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:31:57,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:31:57,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-01 12:31:57,128 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-07-01 12:31:57,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:31:57,128 INFO L82 PathProgramCache]: Analyzing trace with hash -854766391, now seen corresponding path program 1 times [2020-07-01 12:31:57,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:31:57,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458225415] [2020-07-01 12:31:57,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:31:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:31:57,161 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 12:31:57,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458225415] [2020-07-01 12:31:57,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:31:57,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:31:57,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306833516] [2020-07-01 12:31:57,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-01 12:31:57,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:31:57,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:31:57,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:31:57,163 INFO L87 Difference]: Start difference. First operand 97 states and 181 transitions. Second operand 3 states. [2020-07-01 12:31:57,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:31:57,319 INFO L93 Difference]: Finished difference Result 97 states and 181 transitions. [2020-07-01 12:31:57,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:31:57,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-01 12:31:57,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:31:57,321 INFO L225 Difference]: With dead ends: 97 [2020-07-01 12:31:57,321 INFO L226 Difference]: Without dead ends: 87 [2020-07-01 12:31:57,321 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 12:31:57,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-07-01 12:31:57,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-07-01 12:31:57,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-01 12:31:57,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 163 transitions. [2020-07-01 12:31:57,326 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 163 transitions. Word has length 10 [2020-07-01 12:31:57,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:31:57,326 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 163 transitions. [2020-07-01 12:31:57,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-01 12:31:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 163 transitions. [2020-07-01 12:31:57,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-01 12:31:57,327 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:31:57,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:31:57,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-01 12:31:57,328 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-07-01 12:31:57,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:31:57,328 INFO L82 PathProgramCache]: Analyzing trace with hash -885489987, now seen corresponding path program 1 times [2020-07-01 12:31:57,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:31:57,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455698788] [2020-07-01 12:31:57,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:31:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:31:57,382 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 12:31:57,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455698788] [2020-07-01 12:31:57,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:31:57,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:31:57,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436345804] [2020-07-01 12:31:57,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:31:57,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:31:57,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:31:57,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:31:57,384 INFO L87 Difference]: Start difference. First operand 87 states and 163 transitions. Second operand 4 states. [2020-07-01 12:31:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:31:57,559 INFO L93 Difference]: Finished difference Result 87 states and 163 transitions. [2020-07-01 12:31:57,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:31:57,560 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-07-01 12:31:57,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:31:57,561 INFO L225 Difference]: With dead ends: 87 [2020-07-01 12:31:57,561 INFO L226 Difference]: Without dead ends: 84 [2020-07-01 12:31:57,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:31:57,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-07-01 12:31:57,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-07-01 12:31:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-07-01 12:31:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 157 transitions. [2020-07-01 12:31:57,566 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 157 transitions. Word has length 15 [2020-07-01 12:31:57,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:31:57,567 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 157 transitions. [2020-07-01 12:31:57,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:31:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 157 transitions. [2020-07-01 12:31:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-01 12:31:57,568 INFO L414 BasicCegarLoop]: Found error trace [2020-07-01 12:31:57,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:31:57,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-01 12:31:57,568 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-07-01 12:31:57,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:31:57,569 INFO L82 PathProgramCache]: Analyzing trace with hash -885480404, now seen corresponding path program 1 times [2020-07-01 12:31:57,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:31:57,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137180047] [2020-07-01 12:31:57,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:31:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:31:57,612 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 12:31:57,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137180047] [2020-07-01 12:31:57,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:31:57,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:31:57,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447996239] [2020-07-01 12:31:57,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-01 12:31:57,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:31:57,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:31:57,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:31:57,614 INFO L87 Difference]: Start difference. First operand 84 states and 157 transitions. Second operand 4 states. [2020-07-01 12:31:57,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:31:57,762 INFO L93 Difference]: Finished difference Result 84 states and 157 transitions. [2020-07-01 12:31:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:31:57,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-07-01 12:31:57,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-01 12:31:57,763 INFO L225 Difference]: With dead ends: 84 [2020-07-01 12:31:57,763 INFO L226 Difference]: Without dead ends: 0 [2020-07-01 12:31:57,764 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 12:31:57,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-01 12:31:57,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-01 12:31:57,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-01 12:31:57,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-01 12:31:57,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-07-01 12:31:57,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-01 12:31:57,765 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:31:57,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-01 12:31:57,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-01 12:31:57,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:31:57,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-01 12:31:57,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-01 12:31:57,918 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr59REQUIRES_VIOLATION(line 35) no Hoare annotation was computed. [2020-07-01 12:31:57,918 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr55REQUIRES_VIOLATION(line 30) no Hoare annotation was computed. [2020-07-01 12:31:57,918 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr51REQUIRES_VIOLATION(line 24) no Hoare annotation was computed. [2020-07-01 12:31:57,918 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr47REQUIRES_VIOLATION(line 16) no Hoare annotation was computed. [2020-07-01 12:31:57,918 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr43REQUIRES_VIOLATION(line 10) no Hoare annotation was computed. [2020-07-01 12:31:57,918 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-07-01 12:31:57,919 INFO L268 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2020-07-01 12:31:57,919 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr39REQUIRES_VIOLATION(line 32) no Hoare annotation was computed. [2020-07-01 12:31:57,919 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr35REQUIRES_VIOLATION(line 26) no Hoare annotation was computed. [2020-07-01 12:31:57,919 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr31REQUIRES_VIOLATION(line 18) no Hoare annotation was computed. [2020-07-01 12:31:57,919 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr27REQUIRES_VIOLATION(line 12) no Hoare annotation was computed. [2020-07-01 12:31:57,919 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:31:57,919 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr88REQUIRES_VIOLATION(line 67) no Hoare annotation was computed. [2020-07-01 12:31:57,919 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr23REQUIRES_VIOLATION(line 35) no Hoare annotation was computed. [2020-07-01 12:31:57,919 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr84REQUIRES_VIOLATION(line 67) no Hoare annotation was computed. [2020-07-01 12:31:57,920 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr19REQUIRES_VIOLATION(line 30) no Hoare annotation was computed. [2020-07-01 12:31:57,920 INFO L268 CegarLoopResult]: For program point L53-1(lines 38 70) no Hoare annotation was computed. [2020-07-01 12:31:57,920 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr80REQUIRES_VIOLATION(line 63) no Hoare annotation was computed. [2020-07-01 12:31:57,920 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr15REQUIRES_VIOLATION(line 24) no Hoare annotation was computed. [2020-07-01 12:31:57,920 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr76REQUIRES_VIOLATION(line 35) no Hoare annotation was computed. [2020-07-01 12:31:57,920 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr11REQUIRES_VIOLATION(line 16) no Hoare annotation was computed. [2020-07-01 12:31:57,920 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-07-01 12:31:57,920 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr72REQUIRES_VIOLATION(line 30) no Hoare annotation was computed. [2020-07-01 12:31:57,920 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr7REQUIRES_VIOLATION(line 10) no Hoare annotation was computed. [2020-07-01 12:31:57,921 INFO L268 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-07-01 12:31:57,921 INFO L268 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-07-01 12:31:57,921 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr68REQUIRES_VIOLATION(line 24) no Hoare annotation was computed. [2020-07-01 12:31:57,921 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr3REQUIRES_VIOLATION(line 44) no Hoare annotation was computed. [2020-07-01 12:31:57,921 INFO L268 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-07-01 12:31:57,921 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr64REQUIRES_VIOLATION(line 16) no Hoare annotation was computed. [2020-07-01 12:31:57,921 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr60REQUIRES_VIOLATION(line 10) no Hoare annotation was computed. [2020-07-01 12:31:57,921 INFO L268 CegarLoopResult]: For program point L29(lines 29 33) no Hoare annotation was computed. [2020-07-01 12:31:57,921 INFO L268 CegarLoopResult]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2020-07-01 12:31:57,922 INFO L268 CegarLoopResult]: For program point L29-2(lines 29 33) no Hoare annotation was computed. [2020-07-01 12:31:57,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr56REQUIRES_VIOLATION(line 32) no Hoare annotation was computed. [2020-07-01 12:31:57,922 INFO L268 CegarLoopResult]: For program point L29-3(lines 29 33) no Hoare annotation was computed. [2020-07-01 12:31:57,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr52REQUIRES_VIOLATION(line 26) no Hoare annotation was computed. [2020-07-01 12:31:57,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr48REQUIRES_VIOLATION(line 18) no Hoare annotation was computed. [2020-07-01 12:31:57,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr44REQUIRES_VIOLATION(line 12) no Hoare annotation was computed. [2020-07-01 12:31:57,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr40REQUIRES_VIOLATION(line 35) no Hoare annotation was computed. [2020-07-01 12:31:57,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr36REQUIRES_VIOLATION(line 30) no Hoare annotation was computed. [2020-07-01 12:31:57,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr32REQUIRES_VIOLATION(line 24) no Hoare annotation was computed. [2020-07-01 12:31:57,923 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-01 12:31:57,923 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr28REQUIRES_VIOLATION(line 16) no Hoare annotation was computed. [2020-07-01 12:31:57,923 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr89REQUIRES_VIOLATION(line 67) no Hoare annotation was computed. [2020-07-01 12:31:57,923 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-07-01 12:31:57,923 INFO L268 CegarLoopResult]: For program point L63-1(line 63) no Hoare annotation was computed. [2020-07-01 12:31:57,923 INFO L268 CegarLoopResult]: For program point L30-2(line 30) no Hoare annotation was computed. [2020-07-01 12:31:57,923 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr24REQUIRES_VIOLATION(line 10) no Hoare annotation was computed. [2020-07-01 12:31:57,923 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr85REQUIRES_VIOLATION(line 67) no Hoare annotation was computed. [2020-07-01 12:31:57,923 INFO L268 CegarLoopResult]: For program point L30-4(line 30) no Hoare annotation was computed. [2020-07-01 12:31:57,924 INFO L268 CegarLoopResult]: For program point L30-6(line 30) no Hoare annotation was computed. [2020-07-01 12:31:57,924 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr20REQUIRES_VIOLATION(line 32) no Hoare annotation was computed. [2020-07-01 12:31:57,924 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr81REQUIRES_VIOLATION(line 63) no Hoare annotation was computed. [2020-07-01 12:31:57,924 INFO L268 CegarLoopResult]: For program point L22(lines 22 34) no Hoare annotation was computed. [2020-07-01 12:31:57,924 INFO L268 CegarLoopResult]: For program point L22-1(lines 22 34) no Hoare annotation was computed. [2020-07-01 12:31:57,924 INFO L268 CegarLoopResult]: For program point L22-2(lines 22 34) no Hoare annotation was computed. [2020-07-01 12:31:57,924 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr16REQUIRES_VIOLATION(line 26) no Hoare annotation was computed. [2020-07-01 12:31:57,924 INFO L268 CegarLoopResult]: For program point L22-3(lines 22 34) no Hoare annotation was computed. [2020-07-01 12:31:57,924 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr77REQUIRES_VIOLATION(line 35) no Hoare annotation was computed. [2020-07-01 12:31:57,925 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr12REQUIRES_VIOLATION(line 18) no Hoare annotation was computed. [2020-07-01 12:31:57,925 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr73REQUIRES_VIOLATION(line 30) no Hoare annotation was computed. [2020-07-01 12:31:57,925 INFO L268 CegarLoopResult]: For program point L47-1(lines 38 70) no Hoare annotation was computed. [2020-07-01 12:31:57,925 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr8REQUIRES_VIOLATION(line 12) no Hoare annotation was computed. [2020-07-01 12:31:57,925 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr69REQUIRES_VIOLATION(line 24) no Hoare annotation was computed. [2020-07-01 12:31:57,925 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr4REQUIRES_VIOLATION(line 44) no Hoare annotation was computed. [2020-07-01 12:31:57,925 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr65REQUIRES_VIOLATION(line 16) no Hoare annotation was computed. [2020-07-01 12:31:57,925 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0REQUIRES_VIOLATION(line 41) no Hoare annotation was computed. [2020-07-01 12:31:57,926 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr61REQUIRES_VIOLATION(line 10) no Hoare annotation was computed. [2020-07-01 12:31:57,926 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr57REQUIRES_VIOLATION(line 32) no Hoare annotation was computed. [2020-07-01 12:31:57,926 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr53REQUIRES_VIOLATION(line 26) no Hoare annotation was computed. [2020-07-01 12:31:57,926 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr49REQUIRES_VIOLATION(line 18) no Hoare annotation was computed. [2020-07-01 12:31:57,926 INFO L268 CegarLoopResult]: For program point L23(lines 23 27) no Hoare annotation was computed. [2020-07-01 12:31:57,926 INFO L268 CegarLoopResult]: For program point L56-1(lines 38 70) no Hoare annotation was computed. [2020-07-01 12:31:57,926 INFO L268 CegarLoopResult]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2020-07-01 12:31:57,926 INFO L268 CegarLoopResult]: For program point L23-2(lines 23 27) no Hoare annotation was computed. [2020-07-01 12:31:57,926 INFO L268 CegarLoopResult]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2020-07-01 12:31:57,927 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr45REQUIRES_VIOLATION(line 12) no Hoare annotation was computed. [2020-07-01 12:31:57,927 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr41REQUIRES_VIOLATION(line 35) no Hoare annotation was computed. [2020-07-01 12:31:57,927 INFO L268 CegarLoopResult]: For program point L15(lines 15 19) no Hoare annotation was computed. [2020-07-01 12:31:57,927 INFO L268 CegarLoopResult]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2020-07-01 12:31:57,927 INFO L268 CegarLoopResult]: For program point L15-2(lines 15 19) no Hoare annotation was computed. [2020-07-01 12:31:57,927 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr37REQUIRES_VIOLATION(line 30) no Hoare annotation was computed. [2020-07-01 12:31:57,927 INFO L268 CegarLoopResult]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2020-07-01 12:31:57,927 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr33REQUIRES_VIOLATION(line 24) no Hoare annotation was computed. [2020-07-01 12:31:57,928 INFO L268 CegarLoopResult]: For program point L7(lines 7 35) no Hoare annotation was computed. [2020-07-01 12:31:57,928 INFO L268 CegarLoopResult]: For program point L7-1(lines 7 35) no Hoare annotation was computed. [2020-07-01 12:31:57,928 INFO L268 CegarLoopResult]: For program point L7-2(lines 7 35) no Hoare annotation was computed. [2020-07-01 12:31:57,928 INFO L268 CegarLoopResult]: For program point L7-3(lines 7 35) no Hoare annotation was computed. [2020-07-01 12:31:57,928 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr29REQUIRES_VIOLATION(line 16) no Hoare annotation was computed. [2020-07-01 12:31:57,928 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-07-01 12:31:57,928 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr25REQUIRES_VIOLATION(line 10) no Hoare annotation was computed. [2020-07-01 12:31:57,928 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-01 12:31:57,929 INFO L264 CegarLoopResult]: At program point L32-1(lines 7 35) the Hoare annotation is: (let ((.cse0 (store |#valid| |ULTIMATE.start_foo_#t~malloc0.base| 0))) (and (= 0 ULTIMATE.start_foo_~y~0.offset) (= 1 (select |#valid| ULTIMATE.start_foo_~y~0.base)) (= (select |#length| ULTIMATE.start_main_~d~0.base) 4) (= 1 (select .cse0 ULTIMATE.start_main_~x~0.base)) (= (select |#length| ULTIMATE.start_main_~x~0.base) 4) (= 0 ULTIMATE.start_main_~d~0.offset) (<= 1 |#StackHeapBarrier|) (= 1 (select .cse0 ULTIMATE.start_main_~d~0.base)) (= 0 ULTIMATE.start_main_~x~0.offset) (= 4 (select |#length| ULTIMATE.start_foo_~y~0.base)))) [2020-07-01 12:31:57,929 INFO L268 CegarLoopResult]: For program point L32-2(line 32) no Hoare annotation was computed. [2020-07-01 12:31:57,929 INFO L264 CegarLoopResult]: At program point L32-3(lines 7 35) the Hoare annotation is: (let ((.cse0 (store |#valid| |ULTIMATE.start_foo_#t~malloc0.base| 0))) (and (= 0 ULTIMATE.start_foo_~y~0.offset) (= 1 (select |#valid| ULTIMATE.start_foo_~y~0.base)) (= (select |#length| ULTIMATE.start_main_~d~0.base) 4) (= 1 (select .cse0 ULTIMATE.start_main_~x~0.base)) (= (select |#length| ULTIMATE.start_main_~x~0.base) 4) (= 0 ULTIMATE.start_main_~d~0.offset) (<= 1 |#StackHeapBarrier|) (= 1 (select .cse0 ULTIMATE.start_main_~d~0.base)) (= 0 ULTIMATE.start_main_~x~0.offset) (= 4 (select |#length| ULTIMATE.start_foo_~y~0.base)))) [2020-07-01 12:31:57,929 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr21REQUIRES_VIOLATION(line 32) no Hoare annotation was computed. [2020-07-01 12:31:57,930 INFO L268 CegarLoopResult]: For program point L32-4(line 32) no Hoare annotation was computed. [2020-07-01 12:31:57,930 INFO L264 CegarLoopResult]: At program point L32-5(lines 7 35) the Hoare annotation is: (let ((.cse0 (store |#valid| |ULTIMATE.start_foo_#t~malloc0.base| 0))) (and (= 0 ULTIMATE.start_foo_~y~0.offset) (= 1 (select |#valid| ULTIMATE.start_foo_~y~0.base)) (= (select |#length| ULTIMATE.start_main_~d~0.base) 4) (= 1 (select .cse0 ULTIMATE.start_main_~x~0.base)) (= (select |#length| ULTIMATE.start_main_~x~0.base) 4) (= 0 ULTIMATE.start_main_~d~0.offset) (<= 1 |#StackHeapBarrier|) (= 1 (select .cse0 ULTIMATE.start_main_~d~0.base)) (= 0 ULTIMATE.start_main_~x~0.offset) (= 4 (select |#length| ULTIMATE.start_foo_~y~0.base)))) [2020-07-01 12:31:57,930 INFO L268 CegarLoopResult]: For program point L32-6(line 32) no Hoare annotation was computed. [2020-07-01 12:31:57,930 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr86REQUIRES_VIOLATION(line 67) no Hoare annotation was computed. [2020-07-01 12:31:57,930 INFO L264 CegarLoopResult]: At program point L32-7(lines 7 35) the Hoare annotation is: (let ((.cse0 (store |#valid| |ULTIMATE.start_foo_#t~malloc0.base| 0))) (and (= 0 ULTIMATE.start_foo_~y~0.offset) (= 1 (select |#valid| ULTIMATE.start_foo_~y~0.base)) (= (select |#length| ULTIMATE.start_main_~d~0.base) 4) (= 1 (select .cse0 ULTIMATE.start_main_~x~0.base)) (= (select |#length| ULTIMATE.start_main_~x~0.base) 4) (= 0 ULTIMATE.start_main_~d~0.offset) (<= 1 |#StackHeapBarrier|) (= 1 (select .cse0 ULTIMATE.start_main_~d~0.base)) (= 0 ULTIMATE.start_main_~x~0.offset) (= 4 (select |#length| ULTIMATE.start_foo_~y~0.base)))) [2020-07-01 12:31:57,930 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-07-01 12:31:57,931 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr17REQUIRES_VIOLATION(line 26) no Hoare annotation was computed. [2020-07-01 12:31:57,931 INFO L268 CegarLoopResult]: For program point L24-2(line 24) no Hoare annotation was computed. [2020-07-01 12:31:57,931 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr82REQUIRES_VIOLATION(line 66) no Hoare annotation was computed. [2020-07-01 12:31:57,931 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr13REQUIRES_VIOLATION(line 18) no Hoare annotation was computed. [2020-07-01 12:31:57,931 INFO L268 CegarLoopResult]: For program point L24-4(line 24) no Hoare annotation was computed. [2020-07-01 12:31:57,931 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr78REQUIRES_VIOLATION(line 63) no Hoare annotation was computed. [2020-07-01 12:31:57,931 INFO L268 CegarLoopResult]: For program point L24-6(line 24) no Hoare annotation was computed. [2020-07-01 12:31:57,931 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-07-01 12:31:57,931 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr9REQUIRES_VIOLATION(line 12) no Hoare annotation was computed. [2020-07-01 12:31:57,931 INFO L268 CegarLoopResult]: For program point L16-2(line 16) no Hoare annotation was computed. [2020-07-01 12:31:57,932 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr74REQUIRES_VIOLATION(line 32) no Hoare annotation was computed. [2020-07-01 12:31:57,932 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr5REQUIRES_VIOLATION(line 44) no Hoare annotation was computed. [2020-07-01 12:31:57,932 INFO L268 CegarLoopResult]: For program point L16-4(line 16) no Hoare annotation was computed. [2020-07-01 12:31:57,932 INFO L268 CegarLoopResult]: For program point L16-6(line 16) no Hoare annotation was computed. [2020-07-01 12:31:57,932 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr70REQUIRES_VIOLATION(line 26) no Hoare annotation was computed. [2020-07-01 12:31:57,932 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-07-01 12:31:57,932 INFO L268 CegarLoopResult]: For program point L41-1(lines 38 70) no Hoare annotation was computed. [2020-07-01 12:31:57,932 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1REQUIRES_VIOLATION(line 41) no Hoare annotation was computed. [2020-07-01 12:31:57,932 INFO L268 CegarLoopResult]: For program point L8(lines 8 20) no Hoare annotation was computed. [2020-07-01 12:31:57,933 INFO L268 CegarLoopResult]: For program point L8-1(lines 8 20) no Hoare annotation was computed. [2020-07-01 12:31:57,933 INFO L268 CegarLoopResult]: For program point L8-2(lines 8 20) no Hoare annotation was computed. [2020-07-01 12:31:57,933 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr66REQUIRES_VIOLATION(line 18) no Hoare annotation was computed. [2020-07-01 12:31:57,933 INFO L268 CegarLoopResult]: For program point L8-3(lines 8 20) no Hoare annotation was computed. [2020-07-01 12:31:57,933 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr62REQUIRES_VIOLATION(line 12) no Hoare annotation was computed. [2020-07-01 12:31:57,933 INFO L268 CegarLoopResult]: For program point L66-2(lines 38 70) no Hoare annotation was computed. [2020-07-01 12:31:57,933 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr58REQUIRES_VIOLATION(line 35) no Hoare annotation was computed. [2020-07-01 12:31:57,933 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr54REQUIRES_VIOLATION(line 30) no Hoare annotation was computed. [2020-07-01 12:31:57,933 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr50REQUIRES_VIOLATION(line 24) no Hoare annotation was computed. [2020-07-01 12:31:57,934 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr46REQUIRES_VIOLATION(line 16) no Hoare annotation was computed. [2020-07-01 12:31:57,934 INFO L268 CegarLoopResult]: For program point L50-1(lines 38 70) no Hoare annotation was computed. [2020-07-01 12:31:57,934 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr42REQUIRES_VIOLATION(line 10) no Hoare annotation was computed. [2020-07-01 12:31:57,934 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr38REQUIRES_VIOLATION(line 32) no Hoare annotation was computed. [2020-07-01 12:31:57,934 INFO L268 CegarLoopResult]: For program point L9(lines 9 13) no Hoare annotation was computed. [2020-07-01 12:31:57,934 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr34REQUIRES_VIOLATION(line 26) no Hoare annotation was computed. [2020-07-01 12:31:57,934 INFO L268 CegarLoopResult]: For program point L9-1(lines 9 13) no Hoare annotation was computed. [2020-07-01 12:31:57,934 INFO L268 CegarLoopResult]: For program point L9-2(lines 9 13) no Hoare annotation was computed. [2020-07-01 12:31:57,934 INFO L268 CegarLoopResult]: For program point L9-3(lines 9 13) no Hoare annotation was computed. [2020-07-01 12:31:57,935 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr30REQUIRES_VIOLATION(line 18) no Hoare annotation was computed. [2020-07-01 12:31:57,935 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-01 12:31:57,935 INFO L268 CegarLoopResult]: For program point L67-1(line 67) no Hoare annotation was computed. [2020-07-01 12:31:57,935 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr26REQUIRES_VIOLATION(line 12) no Hoare annotation was computed. [2020-07-01 12:31:57,935 INFO L268 CegarLoopResult]: For program point L67-2(line 67) no Hoare annotation was computed. [2020-07-01 12:31:57,935 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr22REQUIRES_VIOLATION(line 35) no Hoare annotation was computed. [2020-07-01 12:31:57,935 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr87REQUIRES_VIOLATION(line 67) no Hoare annotation was computed. [2020-07-01 12:31:57,935 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-07-01 12:31:57,935 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr18REQUIRES_VIOLATION(line 30) no Hoare annotation was computed. [2020-07-01 12:31:57,936 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr83REQUIRES_VIOLATION(line 66) no Hoare annotation was computed. [2020-07-01 12:31:57,936 INFO L268 CegarLoopResult]: For program point L26-2(line 26) no Hoare annotation was computed. [2020-07-01 12:31:57,936 INFO L268 CegarLoopResult]: For program point L26-4(line 26) no Hoare annotation was computed. [2020-07-01 12:31:57,936 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr14REQUIRES_VIOLATION(line 24) no Hoare annotation was computed. [2020-07-01 12:31:57,936 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr79REQUIRES_VIOLATION(line 63) no Hoare annotation was computed. [2020-07-01 12:31:57,936 INFO L268 CegarLoopResult]: For program point L26-6(line 26) no Hoare annotation was computed. [2020-07-01 12:31:57,936 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-07-01 12:31:57,936 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr10REQUIRES_VIOLATION(line 16) no Hoare annotation was computed. [2020-07-01 12:31:57,936 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr75REQUIRES_VIOLATION(line 32) no Hoare annotation was computed. [2020-07-01 12:31:57,936 INFO L268 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed. [2020-07-01 12:31:57,937 INFO L268 CegarLoopResult]: For program point L18-4(line 18) no Hoare annotation was computed. [2020-07-01 12:31:57,937 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr6REQUIRES_VIOLATION(line 10) no Hoare annotation was computed. [2020-07-01 12:31:57,937 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr71REQUIRES_VIOLATION(line 26) no Hoare annotation was computed. [2020-07-01 12:31:57,937 INFO L268 CegarLoopResult]: For program point L18-6(line 18) no Hoare annotation was computed. [2020-07-01 12:31:57,937 INFO L268 CegarLoopResult]: For program point L43-1(lines 38 70) no Hoare annotation was computed. [2020-07-01 12:31:57,937 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-07-01 12:31:57,937 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2REQUIRES_VIOLATION(line 44) no Hoare annotation was computed. [2020-07-01 12:31:57,937 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr67REQUIRES_VIOLATION(line 18) no Hoare annotation was computed. [2020-07-01 12:31:57,937 INFO L268 CegarLoopResult]: For program point L10-2(line 10) no Hoare annotation was computed. [2020-07-01 12:31:57,937 INFO L268 CegarLoopResult]: For program point L10-4(line 10) no Hoare annotation was computed. [2020-07-01 12:31:57,938 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr63REQUIRES_VIOLATION(line 12) no Hoare annotation was computed. [2020-07-01 12:31:57,938 INFO L268 CegarLoopResult]: For program point L10-6(line 10) no Hoare annotation was computed. [2020-07-01 12:31:57,941 INFO L308 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2020-07-01 12:31:57,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:57,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:57,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:57,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:57,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:57,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:57,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:57,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:57,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:57,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:31:57 BasicIcfg [2020-07-01 12:31:57,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:31:57,973 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:31:57,973 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:31:57,976 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:31:57,977 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:31:57,977 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:31:52" (1/5) ... [2020-07-01 12:31:57,978 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a12cf91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:31:57, skipping insertion in model container [2020-07-01 12:31:57,978 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:31:57,978 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:31:53" (2/5) ... [2020-07-01 12:31:57,978 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a12cf91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:31:57, skipping insertion in model container [2020-07-01 12:31:57,979 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:31:57,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:31:53" (3/5) ... [2020-07-01 12:31:57,979 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a12cf91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:31:57, skipping insertion in model container [2020-07-01 12:31:57,979 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:31:57,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:31:54" (4/5) ... [2020-07-01 12:31:57,979 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a12cf91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:31:57, skipping insertion in model container [2020-07-01 12:31:57,980 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:31:57,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:31:57" (5/5) ... [2020-07-01 12:31:57,981 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:31:58,004 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:31:58,005 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:31:58,005 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:31:58,005 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:31:58,005 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:31:58,005 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:31:58,005 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:31:58,005 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:31:58,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states. [2020-07-01 12:31:58,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-01 12:31:58,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:31:58,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:31:58,026 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:31:58,026 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 12:31:58,026 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:31:58,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states. [2020-07-01 12:31:58,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-01 12:31:58,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:31:58,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:31:58,032 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 12:31:58,032 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 12:31:58,038 INFO L794 eck$LassoCheckResult]: Stem: 124#ULTIMATE.startENTRYtrue [502] ULTIMATE.startENTRY-->L-1: Formula: (and (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= |v_#valid_1| (store |v_#valid_2| 0 0)) (= |v_#NULL.offset_1| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_2|} OutVars{#NULL.offset=|v_#NULL.offset_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #NULL.base=|v_#NULL.base_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] 20#L-1true [711] L-1-->L41: Formula: (let ((.cse0 (store |v_#valid_5| |v_ULTIMATE.start_main_#t~malloc9.base_1| 1))) (and (= |v_#valid_3| (store .cse0 |v_ULTIMATE.start_main_#t~malloc10.base_1| 1)) (= v_ULTIMATE.start_main_~x~0.offset_1 |v_ULTIMATE.start_main_#t~malloc10.offset_1|) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_#t~malloc9.base_1|) (= v_ULTIMATE.start_main_~d~0.base_1 |v_ULTIMATE.start_main_#t~malloc9.base_1|) (= (store (store |v_#length_3| |v_ULTIMATE.start_main_#t~malloc9.base_1| 4) |v_ULTIMATE.start_main_#t~malloc10.base_1| 4) |v_#length_1|) (= v_ULTIMATE.start_main_~d~0.offset_1 |v_ULTIMATE.start_main_#t~malloc9.offset_1|) (< |v_ULTIMATE.start_main_#t~malloc10.base_1| 0) (< 0 |v_ULTIMATE.start_main_#t~malloc9.base_1|) (= 0 |v_ULTIMATE.start_main_#t~malloc9.offset_1|) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_#t~malloc10.base_1|) (= (select |v_#valid_5| |v_ULTIMATE.start_main_#t~malloc9.base_1|) 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_#t~malloc10.base_1|)) (= v_ULTIMATE.start_main_~x~0.base_1 |v_ULTIMATE.start_main_#t~malloc10.base_1|) (= 0 |v_ULTIMATE.start_main_#t~malloc10.offset_1|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, #valid=|v_#valid_5|} OutVars{ULTIMATE.start_main_#t~mem22=|v_ULTIMATE.start_main_#t~mem22_1|, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_1|, ULTIMATE.start_main_#t~mem23=|v_ULTIMATE.start_main_#t~mem23_1|, ULTIMATE.start_main_#t~nondet11=|v_ULTIMATE.start_main_#t~nondet11_1|, ULTIMATE.start_main_#t~nondet13=|v_ULTIMATE.start_main_#t~nondet13_1|, ULTIMATE.start_main_~d~0.offset=v_ULTIMATE.start_main_~d~0.offset_1, ULTIMATE.start_main_~x~0.offset=v_ULTIMATE.start_main_~x~0.offset_1, ULTIMATE.start_main_~x~0.base=v_ULTIMATE.start_main_~x~0.base_1, ULTIMATE.start_main_#t~ret20=|v_ULTIMATE.start_main_#t~ret20_1|, #length=|v_#length_1|, ULTIMATE.start_main_#t~malloc9.offset=|v_ULTIMATE.start_main_#t~malloc9.offset_1|, ULTIMATE.start_main_#t~malloc10.offset=|v_ULTIMATE.start_main_#t~malloc10.offset_1|, ULTIMATE.start_main_#t~malloc9.base=|v_ULTIMATE.start_main_#t~malloc9.base_1|, ULTIMATE.start_main_#t~nondet21=|v_ULTIMATE.start_main_#t~nondet21_1|, ULTIMATE.start_main_#t~mem12=|v_ULTIMATE.start_main_#t~mem12_1|, ULTIMATE.start_main_~d~0.base=v_ULTIMATE.start_main_~d~0.base_1, ULTIMATE.start_main_#t~ret18=|v_ULTIMATE.start_main_#t~ret18_1|, ULTIMATE.start_main_#t~ret16=|v_ULTIMATE.start_main_#t~ret16_1|, #StackHeapBarrier=|v_#StackHeapBarrier_2|, ULTIMATE.start_main_#t~ret14=|v_ULTIMATE.start_main_#t~ret14_1|, ULTIMATE.start_main_#t~malloc10.base=|v_ULTIMATE.start_main_#t~malloc10.base_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, #valid=|v_#valid_3|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_1|, ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_1|, ULTIMATE.start_main_#t~nondet19=|v_ULTIMATE.start_main_#t~nondet19_1|, ULTIMATE.start_main_#t~mem25=|v_ULTIMATE.start_main_#t~mem25_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem22, ULTIMATE.start_main_#t~mem24, ULTIMATE.start_main_#t~mem23, ULTIMATE.start_main_#t~nondet11, ULTIMATE.start_main_#t~nondet13, ULTIMATE.start_main_~d~0.offset, ULTIMATE.start_main_~x~0.offset, ULTIMATE.start_main_~x~0.base, ULTIMATE.start_main_#t~ret20, #length, ULTIMATE.start_main_#t~malloc9.offset, ULTIMATE.start_main_#t~malloc10.offset, ULTIMATE.start_main_#t~malloc9.base, ULTIMATE.start_main_#t~nondet21, ULTIMATE.start_main_#t~mem12, ULTIMATE.start_main_~d~0.base, ULTIMATE.start_main_#t~ret18, ULTIMATE.start_main_#t~ret16, ULTIMATE.start_main_#t~ret14, ULTIMATE.start_main_#t~malloc10.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#t~nondet15, ULTIMATE.start_main_#t~nondet17, ULTIMATE.start_main_#t~nondet19, ULTIMATE.start_main_#t~mem25] 121#L41true [495] L41-->L41-1: Formula: (and (<= 0 v_ULTIMATE.start_main_~d~0.offset_4) (= 1 (select |v_#valid_6| v_ULTIMATE.start_main_~d~0.base_4)) (= |v_#memory_int_1| (store |v_#memory_int_2| v_ULTIMATE.start_main_~d~0.base_4 (store (select |v_#memory_int_2| v_ULTIMATE.start_main_~d~0.base_4) v_ULTIMATE.start_main_~d~0.offset_4 1))) (<= (+ v_ULTIMATE.start_main_~d~0.offset_4 4) (select |v_#length_4| v_ULTIMATE.start_main_~d~0.base_4))) InVars {#memory_int=|v_#memory_int_2|, ULTIMATE.start_main_~d~0.base=v_ULTIMATE.start_main_~d~0.base_4, #length=|v_#length_4|, ULTIMATE.start_main_~d~0.offset=v_ULTIMATE.start_main_~d~0.offset_4, #valid=|v_#valid_6|} OutVars{#memory_int=|v_#memory_int_1|, ULTIMATE.start_main_~d~0.base=v_ULTIMATE.start_main_~d~0.base_4, #length=|v_#length_4|, ULTIMATE.start_main_~d~0.offset=v_ULTIMATE.start_main_~d~0.offset_4, #valid=|v_#valid_6|} AuxVars[] AssignedVars[#memory_int] 115#L41-1true [486] L41-1-->L43-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet11_5| 0) InVars {ULTIMATE.start_main_#t~nondet11=|v_ULTIMATE.start_main_#t~nondet11_5|} OutVars{ULTIMATE.start_main_#t~nondet11=|v_ULTIMATE.start_main_#t~nondet11_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet11] 22#L43-1true [388] L43-1-->L47-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet13_5| 0) InVars {ULTIMATE.start_main_#t~nondet13=|v_ULTIMATE.start_main_#t~nondet13_5|} OutVars{ULTIMATE.start_main_#t~nondet13=|v_ULTIMATE.start_main_#t~nondet13_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet13] 105#L47-1true [471] L47-1-->L50-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet15_5| 0) InVars {ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_5|} OutVars{ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet15] 83#L50-1true [463] L50-1-->L53-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet17_5| 0) InVars {ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_5|} OutVars{ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet17] 63#L53-1true [437] L53-1-->L56-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet19_5| 0) InVars {ULTIMATE.start_main_#t~nondet19=|v_ULTIMATE.start_main_#t~nondet19_5|} OutVars{ULTIMATE.start_main_#t~nondet19=|v_ULTIMATE.start_main_#t~nondet19_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet19] 74#L56-1true [455] L56-1-->L66-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet21_5| 0) InVars {ULTIMATE.start_main_#t~nondet21=|v_ULTIMATE.start_main_#t~nondet21_5|} OutVars{ULTIMATE.start_main_#t~nondet21=|v_ULTIMATE.start_main_#t~nondet21_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet21] 125#L66-2true [2020-07-01 12:31:58,038 INFO L796 eck$LassoCheckResult]: Loop: 125#L66-2true [982] L66-2-->L67: Formula: (and (<= (+ v_ULTIMATE.start_main_~x~0.offset_11 4) (select |v_#length_113| v_ULTIMATE.start_main_~x~0.base_14)) (<= 0 v_ULTIMATE.start_main_~x~0.offset_11) (= 1 (select |v_#valid_140| v_ULTIMATE.start_main_~x~0.base_14)) (< 0 (select (select |v_#memory_int_96| v_ULTIMATE.start_main_~x~0.base_14) v_ULTIMATE.start_main_~x~0.offset_11))) InVars {#valid=|v_#valid_140|, ULTIMATE.start_main_~x~0.offset=v_ULTIMATE.start_main_~x~0.offset_11, #memory_int=|v_#memory_int_96|, #length=|v_#length_113|, ULTIMATE.start_main_~x~0.base=v_ULTIMATE.start_main_~x~0.base_14} OutVars{ULTIMATE.start_main_#t~mem23=|v_ULTIMATE.start_main_#t~mem23_13|, #valid=|v_#valid_140|, ULTIMATE.start_main_~x~0.offset=v_ULTIMATE.start_main_~x~0.offset_11, #memory_int=|v_#memory_int_96|, #length=|v_#length_113|, ULTIMATE.start_main_~x~0.base=v_ULTIMATE.start_main_~x~0.base_14} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem23] 78#L67true [459] L67-->L67-1: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0.offset_6) (= 1 (select |v_#valid_106| v_ULTIMATE.start_main_~x~0.base_7)) (= |v_ULTIMATE.start_main_#t~mem24_2| (select (select |v_#memory_int_78| v_ULTIMATE.start_main_~x~0.base_7) v_ULTIMATE.start_main_~x~0.offset_6)) (<= (+ v_ULTIMATE.start_main_~x~0.offset_6 4) (select |v_#length_96| v_ULTIMATE.start_main_~x~0.base_7))) InVars {ULTIMATE.start_main_~x~0.offset=v_ULTIMATE.start_main_~x~0.offset_6, #memory_int=|v_#memory_int_78|, #length=|v_#length_96|, ULTIMATE.start_main_~x~0.base=v_ULTIMATE.start_main_~x~0.base_7, #valid=|v_#valid_106|} OutVars{ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_2|, #valid=|v_#valid_106|, ULTIMATE.start_main_~x~0.offset=v_ULTIMATE.start_main_~x~0.offset_6, #memory_int=|v_#memory_int_78|, #length=|v_#length_96|, ULTIMATE.start_main_~x~0.base=v_ULTIMATE.start_main_~x~0.base_7} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem24] 75#L67-1true [456] L67-1-->L67-2: Formula: (and (<= (+ v_ULTIMATE.start_main_~d~0.offset_14 4) (select |v_#length_98| v_ULTIMATE.start_main_~d~0.base_19)) (<= 0 v_ULTIMATE.start_main_~d~0.offset_14) (= (select |v_#valid_108| v_ULTIMATE.start_main_~d~0.base_19) 1) (= (select (select |v_#memory_int_79| v_ULTIMATE.start_main_~d~0.base_19) v_ULTIMATE.start_main_~d~0.offset_14) |v_ULTIMATE.start_main_#t~mem25_2|)) InVars {#memory_int=|v_#memory_int_79|, ULTIMATE.start_main_~d~0.base=v_ULTIMATE.start_main_~d~0.base_19, #length=|v_#length_98|, ULTIMATE.start_main_~d~0.offset=v_ULTIMATE.start_main_~d~0.offset_14, #valid=|v_#valid_108|} OutVars{ULTIMATE.start_main_~d~0.offset=v_ULTIMATE.start_main_~d~0.offset_14, #valid=|v_#valid_108|, #memory_int=|v_#memory_int_79|, ULTIMATE.start_main_~d~0.base=v_ULTIMATE.start_main_~d~0.base_19, #length=|v_#length_98|, ULTIMATE.start_main_#t~mem25=|v_ULTIMATE.start_main_#t~mem25_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem25] 69#L67-2true [980] L67-2-->L66-2: Formula: (and (= (store |v_#memory_int_94| v_ULTIMATE.start_main_~x~0.base_13 (store (select |v_#memory_int_94| v_ULTIMATE.start_main_~x~0.base_13) v_ULTIMATE.start_main_~x~0.offset_10 (+ (* |v_ULTIMATE.start_main_#t~mem25_6| (- 1)) |v_ULTIMATE.start_main_#t~mem24_6|))) |v_#memory_int_93|) (<= (+ v_ULTIMATE.start_main_~x~0.offset_10 4) (select |v_#length_111| v_ULTIMATE.start_main_~x~0.base_13)) (<= 0 v_ULTIMATE.start_main_~x~0.offset_10) (= 1 (select |v_#valid_137| v_ULTIMATE.start_main_~x~0.base_13))) InVars {ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_6|, #valid=|v_#valid_137|, #memory_int=|v_#memory_int_94|, ULTIMATE.start_main_~x~0.offset=v_ULTIMATE.start_main_~x~0.offset_10, #length=|v_#length_111|, ULTIMATE.start_main_~x~0.base=v_ULTIMATE.start_main_~x~0.base_13, ULTIMATE.start_main_#t~mem25=|v_ULTIMATE.start_main_#t~mem25_6|} OutVars{ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, #valid=|v_#valid_137|, #memory_int=|v_#memory_int_93|, ULTIMATE.start_main_~x~0.offset=v_ULTIMATE.start_main_~x~0.offset_10, #length=|v_#length_111|, ULTIMATE.start_main_~x~0.base=v_ULTIMATE.start_main_~x~0.base_13, ULTIMATE.start_main_#t~mem25=|v_ULTIMATE.start_main_#t~mem25_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem24, #memory_int, ULTIMATE.start_main_#t~mem25] 125#L66-2true [2020-07-01 12:31:58,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:31:58,039 INFO L82 PathProgramCache]: Analyzing trace with hash -778614779, now seen corresponding path program 1 times [2020-07-01 12:31:58,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:31:58,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901375460] [2020-07-01 12:31:58,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:31:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:31:58,055 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 12:31:58,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901375460] [2020-07-01 12:31:58,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:31:58,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:31:58,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816384763] [2020-07-01 12:31:58,057 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-07-01 12:31:58,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:31:58,057 INFO L82 PathProgramCache]: Analyzing trace with hash 30634498, now seen corresponding path program 1 times [2020-07-01 12:31:58,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:31:58,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633902761] [2020-07-01 12:31:58,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:31:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:31:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:31:58,088 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:31:58,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:31:58,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:31:58,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:31:58,157 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 3 states. [2020-07-01 12:31:58,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:31:58,433 INFO L93 Difference]: Finished difference Result 171 states and 329 transitions. [2020-07-01 12:31:58,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:31:58,436 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 12:31:58,440 INFO L168 Benchmark]: Toolchain (without parser) took 5682.79 ms. Allocated memory was 649.6 MB in the beginning and 782.2 MB in the end (delta: 132.6 MB). Free memory was 556.0 MB in the beginning and 533.8 MB in the end (delta: 22.2 MB). Peak memory consumption was 154.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:31:58,441 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 578.0 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:31:58,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.19 ms. Allocated memory was 649.6 MB in the beginning and 702.0 MB in the end (delta: 52.4 MB). Free memory was 556.0 MB in the beginning and 663.8 MB in the end (delta: -107.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:31:58,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.06 ms. Allocated memory is still 702.0 MB. Free memory was 663.8 MB in the beginning and 660.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 50.3 GB. [2020-07-01 12:31:58,442 INFO L168 Benchmark]: Boogie Preprocessor took 32.11 ms. Allocated memory is still 702.0 MB. Free memory was 660.6 MB in the beginning and 658.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-07-01 12:31:58,443 INFO L168 Benchmark]: RCFGBuilder took 694.41 ms. Allocated memory is still 702.0 MB. Free memory was 658.4 MB in the beginning and 599.5 MB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 50.3 GB. [2020-07-01 12:31:58,443 INFO L168 Benchmark]: BlockEncodingV2 took 197.61 ms. Allocated memory is still 702.0 MB. Free memory was 599.5 MB in the beginning and 568.1 MB in the end (delta: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 50.3 GB. [2020-07-01 12:31:58,444 INFO L168 Benchmark]: TraceAbstraction took 3918.40 ms. Allocated memory was 702.0 MB in the beginning and 782.2 MB in the end (delta: 80.2 MB). Free memory was 567.0 MB in the beginning and 609.1 MB in the end (delta: -42.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 50.3 GB. [2020-07-01 12:31:58,445 INFO L168 Benchmark]: BuchiAutomizer took 464.85 ms. Allocated memory is still 782.2 MB. Free memory was 609.1 MB in the beginning and 533.8 MB in the end (delta: 75.3 MB). Peak memory consumption was 75.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:31:58,448 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 187 locations, 222 edges - StatisticsResult: Encoded RCFG 171 locations, 340 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 578.0 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 321.19 ms. Allocated memory was 649.6 MB in the beginning and 702.0 MB in the end (delta: 52.4 MB). Free memory was 556.0 MB in the beginning and 663.8 MB in the end (delta: -107.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 48.06 ms. Allocated memory is still 702.0 MB. Free memory was 663.8 MB in the beginning and 660.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 32.11 ms. Allocated memory is still 702.0 MB. Free memory was 660.6 MB in the beginning and 658.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * RCFGBuilder took 694.41 ms. Allocated memory is still 702.0 MB. Free memory was 658.4 MB in the beginning and 599.5 MB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 197.61 ms. Allocated memory is still 702.0 MB. Free memory was 599.5 MB in the beginning and 568.1 MB in the end (delta: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 3918.40 ms. Allocated memory was 702.0 MB in the beginning and 782.2 MB in the end (delta: 80.2 MB). Free memory was 567.0 MB in the beginning and 609.1 MB in the end (delta: -42.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 464.85 ms. Allocated memory is still 782.2 MB. Free memory was 609.1 MB in the beginning and 533.8 MB in the end (delta: 75.3 MB). Peak memory consumption was 75.3 MB. Max. memory is 50.3 GB. * 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 #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 #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 #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 #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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 41]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 10]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 35]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: 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: 67]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 10]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 67]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 44]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 67]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 10]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 30]: 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: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 44]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 26]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 26]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 32]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 35]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 63]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 32]: 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: 24]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 30]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 66]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 26]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 35]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 32]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 30]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 35]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 30]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 32]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 63]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 10]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 67]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 41]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 10]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 32]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 10]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 44]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 67]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 44]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 35]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: 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: 10]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 26]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 30]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: 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: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 26]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 26]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 32]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 30]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 63]: 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: 26]: 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: 32]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 35]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 30]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 10]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 26]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 66]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 35]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 67]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 63]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 35]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 30]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 32]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 90 specifications checked. All of them hold - InvariantResult [Line: 7]: Loop Invariant [2020-07-01 12:31:58,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:58,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:58,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((0 == y && 1 == \valid[y]) && unknown-#length-unknown[d] == 4) && 1 == \valid[alloca(sizeof(int)) := 0][x]) && unknown-#length-unknown[x] == 4) && 0 == d) && 1 <= unknown-#StackHeapBarrier-unknown) && 1 == \valid[alloca(sizeof(int)) := 0][d]) && 0 == x) && 4 == unknown-#length-unknown[y] - InvariantResult [Line: 7]: Loop Invariant [2020-07-01 12:31:58,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:58,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:58,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((0 == y && 1 == \valid[y]) && unknown-#length-unknown[d] == 4) && 1 == \valid[alloca(sizeof(int)) := 0][x]) && unknown-#length-unknown[x] == 4) && 0 == d) && 1 <= unknown-#StackHeapBarrier-unknown) && 1 == \valid[alloca(sizeof(int)) := 0][d]) && 0 == x) && 4 == unknown-#length-unknown[y] - InvariantResult [Line: 7]: Loop Invariant [2020-07-01 12:31:58,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:58,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:58,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((0 == y && 1 == \valid[y]) && unknown-#length-unknown[d] == 4) && 1 == \valid[alloca(sizeof(int)) := 0][x]) && unknown-#length-unknown[x] == 4) && 0 == d) && 1 <= unknown-#StackHeapBarrier-unknown) && 1 == \valid[alloca(sizeof(int)) := 0][d]) && 0 == x) && 4 == unknown-#length-unknown[y] - InvariantResult [Line: 7]: Loop Invariant [2020-07-01 12:31:58,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:58,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-01 12:31:58,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-07-01 12:31:58,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((0 == y && 1 == \valid[y]) && unknown-#length-unknown[d] == 4) && 1 == \valid[alloca(sizeof(int)) := 0][x]) && unknown-#length-unknown[x] == 4) && 0 == d) && 1 <= unknown-#StackHeapBarrier-unknown) && 1 == \valid[alloca(sizeof(int)) := 0][d]) && 0 == x) && 4 == unknown-#length-unknown[y] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 171 locations, 90 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 459 SDtfs, 2163 SDslu, 258 SDs, 0 SdLazy, 2091 SolverSat, 273 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 168 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 196 HoareAnnotationTreeSize, 4 FomulaSimplifications, 156 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 4015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 12:31:49.515 ----------------------------------------------- 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/sandbox/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/sandbox/tmp/BenchExec_run_zz7jf4/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:31:58.697 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check