YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 10:56:24,381 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 10:56:24,384 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 10:56:24,395 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 10:56:24,395 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 10:56:24,396 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 10:56:24,397 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 10:56:24,399 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 10:56:24,400 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 10:56:24,401 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 10:56:24,401 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 10:56:24,402 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 10:56:24,403 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 10:56:24,403 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 10:56:24,404 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 10:56:24,405 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 10:56:24,406 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 10:56:24,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 10:56:24,432 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 10:56:24,433 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 10:56:24,434 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 10:56:24,435 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 10:56:24,437 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 10:56:24,437 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 10:56:24,438 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 10:56:24,438 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 10:56:24,439 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 10:56:24,439 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 10:56:24,440 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 10:56:24,440 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 10:56:24,441 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 10:56:24,442 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 10:56:24,443 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 10:56:24,443 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 10:56:24,443 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 10:56:24,444 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 10:56:24,444 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 10:56:24,445 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 10:56:24,445 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 10:56:24,446 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 10:56:24,460 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 10:56:24,460 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 10:56:24,461 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 10:56:24,461 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 10:56:24,461 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 10:56:24,462 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 10:56:24,462 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 10:56:24,462 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 10:56:24,462 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 10:56:24,462 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 10:56:24,462 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 10:56:24,463 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 10:56:24,463 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 10:56:24,463 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 10:56:24,463 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 10:56:24,463 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 10:56:24,463 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 10:56:24,463 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 10:56:24,464 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 10:56:24,464 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 10:56:24,464 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 10:56:24,464 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 10:56:24,464 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 10:56:24,464 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 10:56:24,465 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 10:56:24,465 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 10:56:24,465 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 10:56:24,465 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 10:56:24,465 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 10:56:24,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 10:56:24,504 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 10:56:24,507 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 10:56:24,509 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 10:56:24,509 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 10:56:24,510 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 10:56:24,571 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b53465fbeabe498eaddd24970aaa6f6f/FLAG723243490 [2020-06-22 10:56:24,903 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 10:56:24,904 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 10:56:24,904 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2020-06-22 10:56:24,911 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b53465fbeabe498eaddd24970aaa6f6f/FLAG723243490 [2020-06-22 10:56:25,311 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b53465fbeabe498eaddd24970aaa6f6f [2020-06-22 10:56:25,323 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 10:56:25,324 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 10:56:25,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 10:56:25,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 10:56:25,329 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 10:56:25,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 10:56:25" (1/1) ... [2020-06-22 10:56:25,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@171f0fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25, skipping insertion in model container [2020-06-22 10:56:25,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 10:56:25" (1/1) ... [2020-06-22 10:56:25,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 10:56:25,359 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 10:56:25,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 10:56:25,599 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 10:56:25,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 10:56:25,632 INFO L195 MainTranslator]: Completed translation [2020-06-22 10:56:25,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25 WrapperNode [2020-06-22 10:56:25,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 10:56:25,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 10:56:25,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 10:56:25,634 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 10:56:25,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25" (1/1) ... [2020-06-22 10:56:25,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25" (1/1) ... [2020-06-22 10:56:25,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 10:56:25,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 10:56:25,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 10:56:25,674 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 10:56:25,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25" (1/1) ... [2020-06-22 10:56:25,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25" (1/1) ... [2020-06-22 10:56:25,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25" (1/1) ... [2020-06-22 10:56:25,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25" (1/1) ... [2020-06-22 10:56:25,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25" (1/1) ... [2020-06-22 10:56:25,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25" (1/1) ... [2020-06-22 10:56:25,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25" (1/1) ... [2020-06-22 10:56:25,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 10:56:25,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 10:56:25,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 10:56:25,697 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 10:56:25,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25" (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 [2020-06-22 10:56:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-06-22 10:56:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 10:56:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 10:56:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-06-22 10:56:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-06-22 10:56:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-06-22 10:56:26,017 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 10:56:26,017 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2020-06-22 10:56:26,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:56:26 BoogieIcfgContainer [2020-06-22 10:56:26,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 10:56:26,020 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 10:56:26,020 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 10:56:26,022 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 10:56:26,022 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:56:26" (1/1) ... [2020-06-22 10:56:26,039 INFO L313 BlockEncoder]: Initial Icfg 40 locations, 41 edges [2020-06-22 10:56:26,040 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 10:56:26,041 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 10:56:26,042 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 10:56:26,042 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 10:56:26,044 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 10:56:26,045 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 10:56:26,045 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 10:56:26,068 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 10:56:26,106 INFO L200 BlockEncoder]: SBE split 21 edges [2020-06-22 10:56:26,113 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 10:56:26,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 10:56:26,142 INFO L100 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2020-06-22 10:56:26,145 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 10:56:26,146 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 10:56:26,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 10:56:26,147 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 10:56:26,148 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 10:56:26,148 INFO L313 BlockEncoder]: Encoded RCFG 33 locations, 60 edges [2020-06-22 10:56:26,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 10:56:26 BasicIcfg [2020-06-22 10:56:26,149 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 10:56:26,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 10:56:26,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 10:56:26,153 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 10:56:26,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 10:56:25" (1/4) ... [2020-06-22 10:56:26,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:56:26, skipping insertion in model container [2020-06-22 10:56:26,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25" (2/4) ... [2020-06-22 10:56:26,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:56:26, skipping insertion in model container [2020-06-22 10:56:26,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:56:26" (3/4) ... [2020-06-22 10:56:26,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:56:26, skipping insertion in model container [2020-06-22 10:56:26,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 10:56:26" (4/4) ... [2020-06-22 10:56:26,157 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 10:56:26,167 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 10:56:26,175 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 20 error locations. [2020-06-22 10:56:26,192 INFO L257 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2020-06-22 10:56:26,221 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 10:56:26,221 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 10:56:26,222 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 10:56:26,222 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 10:56:26,222 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 10:56:26,222 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 10:56:26,222 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 10:56:26,222 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 10:56:26,223 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 10:56:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-06-22 10:56:26,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-06-22 10:56:26,244 INFO L394 BasicCegarLoop]: Found error trace [2020-06-22 10:56:26,245 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-06-22 10:56:26,245 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION]=== [2020-06-22 10:56:26,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:26,250 INFO L82 PathProgramCache]: Analyzing trace with hash 111352, now seen corresponding path program 1 times [2020-06-22 10:56:26,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 10:56:26,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 10:56:26,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:26,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 10:56:26,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 10:56:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 10:56:26,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 10:56:26,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-06-22 10:56:26,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-06-22 10:56:26,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 10:56:26,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 10:56:26,458 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 3 states. [2020-06-22 10:56:26,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 10:56:26,614 INFO L93 Difference]: Finished difference Result 33 states and 60 transitions. [2020-06-22 10:56:26,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 10:56:26,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-06-22 10:56:26,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-06-22 10:56:26,629 INFO L225 Difference]: With dead ends: 33 [2020-06-22 10:56:26,630 INFO L226 Difference]: Without dead ends: 31 [2020-06-22 10:56:26,633 INFO L631 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 [2020-06-22 10:56:26,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-06-22 10:56:26,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-06-22 10:56:26,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-06-22 10:56:26,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 56 transitions. [2020-06-22 10:56:26,673 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 56 transitions. Word has length 3 [2020-06-22 10:56:26,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-06-22 10:56:26,674 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 56 transitions. [2020-06-22 10:56:26,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-06-22 10:56:26,675 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2020-06-22 10:56:26,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-06-22 10:56:26,675 INFO L394 BasicCegarLoop]: Found error trace [2020-06-22 10:56:26,675 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-06-22 10:56:26,675 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION]=== [2020-06-22 10:56:26,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:26,676 INFO L82 PathProgramCache]: Analyzing trace with hash 111354, now seen corresponding path program 1 times [2020-06-22 10:56:26,676 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 10:56:26,676 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 10:56:26,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:26,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 10:56:26,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 10:56:26,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 10:56:26,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 10:56:26,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-06-22 10:56:26,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-06-22 10:56:26,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 10:56:26,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 10:56:26,705 INFO L87 Difference]: Start difference. First operand 31 states and 56 transitions. Second operand 3 states. [2020-06-22 10:56:26,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 10:56:26,794 INFO L93 Difference]: Finished difference Result 33 states and 56 transitions. [2020-06-22 10:56:26,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 10:56:26,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-06-22 10:56:26,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-06-22 10:56:26,796 INFO L225 Difference]: With dead ends: 33 [2020-06-22 10:56:26,796 INFO L226 Difference]: Without dead ends: 31 [2020-06-22 10:56:26,798 INFO L631 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 [2020-06-22 10:56:26,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-06-22 10:56:26,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-06-22 10:56:26,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-06-22 10:56:26,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 54 transitions. [2020-06-22 10:56:26,803 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 54 transitions. Word has length 3 [2020-06-22 10:56:26,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-06-22 10:56:26,804 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 54 transitions. [2020-06-22 10:56:26,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-06-22 10:56:26,804 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2020-06-22 10:56:26,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-06-22 10:56:26,804 INFO L394 BasicCegarLoop]: Found error trace [2020-06-22 10:56:26,804 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-06-22 10:56:26,805 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION]=== [2020-06-22 10:56:26,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:26,805 INFO L82 PathProgramCache]: Analyzing trace with hash 111355, now seen corresponding path program 1 times [2020-06-22 10:56:26,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 10:56:26,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 10:56:26,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:26,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 10:56:26,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 10:56:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 10:56:26,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 10:56:26,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-06-22 10:56:26,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-06-22 10:56:26,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 10:56:26,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 10:56:26,846 INFO L87 Difference]: Start difference. First operand 31 states and 54 transitions. Second operand 3 states. [2020-06-22 10:56:26,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 10:56:26,948 INFO L93 Difference]: Finished difference Result 31 states and 54 transitions. [2020-06-22 10:56:26,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 10:56:26,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-06-22 10:56:26,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-06-22 10:56:26,949 INFO L225 Difference]: With dead ends: 31 [2020-06-22 10:56:26,949 INFO L226 Difference]: Without dead ends: 29 [2020-06-22 10:56:26,950 INFO L631 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 [2020-06-22 10:56:26,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-06-22 10:56:26,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-06-22 10:56:26,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-06-22 10:56:26,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 52 transitions. [2020-06-22 10:56:26,954 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 52 transitions. Word has length 3 [2020-06-22 10:56:26,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-06-22 10:56:26,955 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 52 transitions. [2020-06-22 10:56:26,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-06-22 10:56:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2020-06-22 10:56:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-06-22 10:56:26,955 INFO L394 BasicCegarLoop]: Found error trace [2020-06-22 10:56:26,956 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-06-22 10:56:26,956 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION]=== [2020-06-22 10:56:26,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:26,956 INFO L82 PathProgramCache]: Analyzing trace with hash 3449963, now seen corresponding path program 1 times [2020-06-22 10:56:26,956 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 10:56:26,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 10:56:26,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:26,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 10:56:26,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 10:56:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 10:56:26,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 10:56:26,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-06-22 10:56:26,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-06-22 10:56:26,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 10:56:26,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 10:56:27,000 INFO L87 Difference]: Start difference. First operand 29 states and 52 transitions. Second operand 3 states. [2020-06-22 10:56:27,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 10:56:27,085 INFO L93 Difference]: Finished difference Result 29 states and 52 transitions. [2020-06-22 10:56:27,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 10:56:27,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-06-22 10:56:27,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-06-22 10:56:27,086 INFO L225 Difference]: With dead ends: 29 [2020-06-22 10:56:27,086 INFO L226 Difference]: Without dead ends: 25 [2020-06-22 10:56:27,087 INFO L631 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 [2020-06-22 10:56:27,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-06-22 10:56:27,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-06-22 10:56:27,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-06-22 10:56:27,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 44 transitions. [2020-06-22 10:56:27,091 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 44 transitions. Word has length 4 [2020-06-22 10:56:27,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-06-22 10:56:27,091 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 44 transitions. [2020-06-22 10:56:27,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-06-22 10:56:27,091 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2020-06-22 10:56:27,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-06-22 10:56:27,092 INFO L394 BasicCegarLoop]: Found error trace [2020-06-22 10:56:27,092 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-06-22 10:56:27,092 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION]=== [2020-06-22 10:56:27,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:27,092 INFO L82 PathProgramCache]: Analyzing trace with hash 3449965, now seen corresponding path program 1 times [2020-06-22 10:56:27,093 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 10:56:27,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 10:56:27,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 10:56:27,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 10:56:27,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 10:56:27,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 10:56:27,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-06-22 10:56:27,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-06-22 10:56:27,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 10:56:27,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 10:56:27,119 INFO L87 Difference]: Start difference. First operand 25 states and 44 transitions. Second operand 3 states. [2020-06-22 10:56:27,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 10:56:27,205 INFO L93 Difference]: Finished difference Result 29 states and 44 transitions. [2020-06-22 10:56:27,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 10:56:27,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-06-22 10:56:27,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-06-22 10:56:27,206 INFO L225 Difference]: With dead ends: 29 [2020-06-22 10:56:27,206 INFO L226 Difference]: Without dead ends: 25 [2020-06-22 10:56:27,207 INFO L631 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 [2020-06-22 10:56:27,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-06-22 10:56:27,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-06-22 10:56:27,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-06-22 10:56:27,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 40 transitions. [2020-06-22 10:56:27,211 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 40 transitions. Word has length 4 [2020-06-22 10:56:27,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-06-22 10:56:27,211 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 40 transitions. [2020-06-22 10:56:27,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-06-22 10:56:27,211 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2020-06-22 10:56:27,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-06-22 10:56:27,212 INFO L394 BasicCegarLoop]: Found error trace [2020-06-22 10:56:27,212 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-06-22 10:56:27,212 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION]=== [2020-06-22 10:56:27,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:27,212 INFO L82 PathProgramCache]: Analyzing trace with hash 3449966, now seen corresponding path program 1 times [2020-06-22 10:56:27,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 10:56:27,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 10:56:27,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 10:56:27,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 10:56:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 10:56:27,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 10:56:27,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-06-22 10:56:27,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-06-22 10:56:27,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 10:56:27,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 10:56:27,256 INFO L87 Difference]: Start difference. First operand 25 states and 40 transitions. Second operand 3 states. [2020-06-22 10:56:27,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 10:56:27,320 INFO L93 Difference]: Finished difference Result 25 states and 40 transitions. [2020-06-22 10:56:27,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 10:56:27,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-06-22 10:56:27,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-06-22 10:56:27,321 INFO L225 Difference]: With dead ends: 25 [2020-06-22 10:56:27,321 INFO L226 Difference]: Without dead ends: 21 [2020-06-22 10:56:27,322 INFO L631 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 [2020-06-22 10:56:27,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-06-22 10:56:27,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-06-22 10:56:27,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-06-22 10:56:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 36 transitions. [2020-06-22 10:56:27,325 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 36 transitions. Word has length 4 [2020-06-22 10:56:27,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-06-22 10:56:27,325 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 36 transitions. [2020-06-22 10:56:27,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-06-22 10:56:27,326 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 36 transitions. [2020-06-22 10:56:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-06-22 10:56:27,326 INFO L394 BasicCegarLoop]: Found error trace [2020-06-22 10:56:27,326 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-06-22 10:56:27,326 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION]=== [2020-06-22 10:56:27,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:27,327 INFO L82 PathProgramCache]: Analyzing trace with hash 106947311, now seen corresponding path program 1 times [2020-06-22 10:56:27,327 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 10:56:27,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 10:56:27,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 10:56:27,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 10:56:27,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 10:56:27,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 10:56:27,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-06-22 10:56:27,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-06-22 10:56:27,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 10:56:27,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 10:56:27,362 INFO L87 Difference]: Start difference. First operand 21 states and 36 transitions. Second operand 3 states. [2020-06-22 10:56:27,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 10:56:27,418 INFO L93 Difference]: Finished difference Result 21 states and 36 transitions. [2020-06-22 10:56:27,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 10:56:27,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-06-22 10:56:27,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-06-22 10:56:27,420 INFO L225 Difference]: With dead ends: 21 [2020-06-22 10:56:27,420 INFO L226 Difference]: Without dead ends: 17 [2020-06-22 10:56:27,421 INFO L631 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 [2020-06-22 10:56:27,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-06-22 10:56:27,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-06-22 10:56:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-06-22 10:56:27,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 28 transitions. [2020-06-22 10:56:27,423 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 28 transitions. Word has length 5 [2020-06-22 10:56:27,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-06-22 10:56:27,424 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 28 transitions. [2020-06-22 10:56:27,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-06-22 10:56:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2020-06-22 10:56:27,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-06-22 10:56:27,424 INFO L394 BasicCegarLoop]: Found error trace [2020-06-22 10:56:27,424 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-06-22 10:56:27,425 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION]=== [2020-06-22 10:56:27,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:27,425 INFO L82 PathProgramCache]: Analyzing trace with hash 106947313, now seen corresponding path program 1 times [2020-06-22 10:56:27,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 10:56:27,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 10:56:27,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 10:56:27,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 10:56:27,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 10:56:27,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 10:56:27,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-06-22 10:56:27,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-06-22 10:56:27,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 10:56:27,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 10:56:27,450 INFO L87 Difference]: Start difference. First operand 17 states and 28 transitions. Second operand 3 states. [2020-06-22 10:56:27,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 10:56:27,491 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2020-06-22 10:56:27,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 10:56:27,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-06-22 10:56:27,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-06-22 10:56:27,492 INFO L225 Difference]: With dead ends: 21 [2020-06-22 10:56:27,493 INFO L226 Difference]: Without dead ends: 17 [2020-06-22 10:56:27,493 INFO L631 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 [2020-06-22 10:56:27,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-06-22 10:56:27,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-06-22 10:56:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-06-22 10:56:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2020-06-22 10:56:27,496 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 24 transitions. Word has length 5 [2020-06-22 10:56:27,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-06-22 10:56:27,496 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 24 transitions. [2020-06-22 10:56:27,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-06-22 10:56:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2020-06-22 10:56:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-06-22 10:56:27,497 INFO L394 BasicCegarLoop]: Found error trace [2020-06-22 10:56:27,497 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-06-22 10:56:27,497 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION]=== [2020-06-22 10:56:27,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:27,498 INFO L82 PathProgramCache]: Analyzing trace with hash 106947314, now seen corresponding path program 1 times [2020-06-22 10:56:27,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 10:56:27,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 10:56:27,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 10:56:27,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 10:56:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 10:56:27,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 10:56:27,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-06-22 10:56:27,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-06-22 10:56:27,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 10:56:27,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 10:56:27,529 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. Second operand 3 states. [2020-06-22 10:56:27,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 10:56:27,570 INFO L93 Difference]: Finished difference Result 17 states and 24 transitions. [2020-06-22 10:56:27,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 10:56:27,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-06-22 10:56:27,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-06-22 10:56:27,572 INFO L225 Difference]: With dead ends: 17 [2020-06-22 10:56:27,572 INFO L226 Difference]: Without dead ends: 0 [2020-06-22 10:56:27,572 INFO L631 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 [2020-06-22 10:56:27,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-06-22 10:56:27,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-06-22 10:56:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-06-22 10:56:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-06-22 10:56:27,573 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2020-06-22 10:56:27,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-06-22 10:56:27,573 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 10:56:27,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-06-22 10:56:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-06-22 10:56:27,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 10:56:27,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-06-22 10:56:27,615 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2020-06-22 10:56:27,615 INFO L448 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-06-22 10:56:27,615 INFO L448 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2020-06-22 10:56:27,615 INFO L448 ceAbstractionStarter]: For program point L13-1(lines 13 16) no Hoare annotation was computed. [2020-06-22 10:56:27,615 INFO L448 ceAbstractionStarter]: For program point L11(line 11) no Hoare annotation was computed. [2020-06-22 10:56:27,616 INFO L444 ceAbstractionStarter]: At program point L13-3(lines 12 16) the Hoare annotation is: (and (= 4 (select |#length| ULTIMATE.start_test_fun_~x_ref~0.base)) (= 0 ULTIMATE.start_test_fun_~c~0.offset) (= (select |#length| ULTIMATE.start_test_fun_~y_ref~0.base) 4) (= ULTIMATE.start_test_fun_~x_ref~0.offset 0) (= (select |#valid| ULTIMATE.start_test_fun_~y_ref~0.base) 1) (= 1 (select |#valid| ULTIMATE.start_test_fun_~x_ref~0.base)) (= ULTIMATE.start_test_fun_~y_ref~0.offset 0) (= 4 (select |#length| ULTIMATE.start_test_fun_~c~0.base)) (= 1 (select |#valid| ULTIMATE.start_test_fun_~c~0.base))) [2020-06-22 10:56:27,616 INFO L448 ceAbstractionStarter]: For program point L13-4(lines 13 16) no Hoare annotation was computed. [2020-06-22 10:56:27,616 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0REQUIRES_VIOLATION(line 10) no Hoare annotation was computed. [2020-06-22 10:56:27,616 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1REQUIRES_VIOLATION(line 10) no Hoare annotation was computed. [2020-06-22 10:56:27,616 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2020-06-22 10:56:27,617 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 10:56:27,617 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr4REQUIRES_VIOLATION(line 12) no Hoare annotation was computed. [2020-06-22 10:56:27,617 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr5REQUIRES_VIOLATION(line 12) no Hoare annotation was computed. [2020-06-22 10:56:27,617 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2REQUIRES_VIOLATION(line 11) no Hoare annotation was computed. [2020-06-22 10:56:27,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3REQUIRES_VIOLATION(line 11) no Hoare annotation was computed. [2020-06-22 10:56:27,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr16REQUIRES_VIOLATION(line 15) no Hoare annotation was computed. [2020-06-22 10:56:27,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr17REQUIRES_VIOLATION(line 15) no Hoare annotation was computed. [2020-06-22 10:56:27,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr14REQUIRES_VIOLATION(line 15) no Hoare annotation was computed. [2020-06-22 10:56:27,618 INFO L448 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2020-06-22 10:56:27,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr15REQUIRES_VIOLATION(line 15) no Hoare annotation was computed. [2020-06-22 10:56:27,618 INFO L448 ceAbstractionStarter]: For program point L14-1(line 14) no Hoare annotation was computed. [2020-06-22 10:56:27,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr18REQUIRES_VIOLATION(line 17) no Hoare annotation was computed. [2020-06-22 10:56:27,618 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2020-06-22 10:56:27,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr19REQUIRES_VIOLATION(line 17) no Hoare annotation was computed. [2020-06-22 10:56:27,619 INFO L448 ceAbstractionStarter]: For program point L10-1(line 10) no Hoare annotation was computed. [2020-06-22 10:56:27,619 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr8REQUIRES_VIOLATION(line 13) no Hoare annotation was computed. [2020-06-22 10:56:27,619 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr9REQUIRES_VIOLATION(line 13) no Hoare annotation was computed. [2020-06-22 10:56:27,619 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr6REQUIRES_VIOLATION(line 13) no Hoare annotation was computed. [2020-06-22 10:56:27,619 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr7REQUIRES_VIOLATION(line 13) no Hoare annotation was computed. [2020-06-22 10:56:27,619 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr12REQUIRES_VIOLATION(line 14) no Hoare annotation was computed. [2020-06-22 10:56:27,619 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr13REQUIRES_VIOLATION(line 14) no Hoare annotation was computed. [2020-06-22 10:56:27,619 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr10REQUIRES_VIOLATION(line 14) no Hoare annotation was computed. [2020-06-22 10:56:27,619 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr11REQUIRES_VIOLATION(line 14) no Hoare annotation was computed. [2020-06-22 10:56:27,620 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2020-06-22 10:56:27,628 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2020-06-22 10:56:27,629 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2020-06-22 10:56:27,630 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2020-06-22 10:56:27,636 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2020-06-22 10:56:27,636 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2020-06-22 10:56:27,637 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2020-06-22 10:56:27,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:56:27 BasicIcfg [2020-06-22 10:56:27,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 10:56:27,640 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 10:56:27,640 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 10:56:27,643 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 10:56:27,643 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 10:56:27,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 10:56:25" (1/5) ... [2020-06-22 10:56:27,644 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cf3bc75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 10:56:27, skipping insertion in model container [2020-06-22 10:56:27,644 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 10:56:27,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 10:56:25" (2/5) ... [2020-06-22 10:56:27,645 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cf3bc75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 10:56:27, skipping insertion in model container [2020-06-22 10:56:27,645 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 10:56:27,645 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:56:26" (3/5) ... [2020-06-22 10:56:27,645 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cf3bc75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 10:56:27, skipping insertion in model container [2020-06-22 10:56:27,645 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 10:56:27,645 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 10:56:26" (4/5) ... [2020-06-22 10:56:27,646 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cf3bc75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 10:56:27, skipping insertion in model container [2020-06-22 10:56:27,646 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 10:56:27,646 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:56:27" (5/5) ... [2020-06-22 10:56:27,647 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 10:56:27,668 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 10:56:27,668 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 10:56:27,669 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 10:56:27,669 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 10:56:27,669 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 10:56:27,669 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 10:56:27,669 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 10:56:27,669 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 10:56:27,669 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 10:56:27,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2020-06-22 10:56:27,678 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-06-22 10:56:27,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 10:56:27,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 10:56:27,683 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-06-22 10:56:27,683 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-06-22 10:56:27,683 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 10:56:27,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2020-06-22 10:56:27,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-06-22 10:56:27,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 10:56:27,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 10:56:27,686 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-06-22 10:56:27,686 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-06-22 10:56:27,691 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue [81] ULTIMATE.startENTRY-->L-1: Formula: (and (= |v_#NULL.offset_1| 0) (= |v_#NULL.base_1| 0) (= |v_#valid_1| (store |v_#valid_2| 0 0))) InVars {#valid=|v_#valid_2|} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] 9#L-1true [123] L-1-->L10: Formula: (let ((.cse1 (store |v_#valid_6| |v_ULTIMATE.start_test_fun_#t~malloc0.base_1| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_test_fun_#t~malloc1.base_1| 1))) (and (< |v_ULTIMATE.start_test_fun_#t~malloc0.base_1| |v_#StackHeapBarrier_1|) (< |v_ULTIMATE.start_test_fun_#t~malloc2.base_1| |v_#StackHeapBarrier_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet8_1|) (= |v_ULTIMATE.start_test_fun_#t~malloc0.offset_1| 0) (= |v_ULTIMATE.start_test_fun_#t~malloc1.offset_1| 0) (= (select |v_#valid_6| |v_ULTIMATE.start_test_fun_#t~malloc0.base_1|) 0) (> |v_ULTIMATE.start_test_fun_#t~malloc0.base_1| 0) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet9_1|) (= v_ULTIMATE.start_test_fun_~y_ref~0.offset_1 |v_ULTIMATE.start_test_fun_#t~malloc1.offset_1|) (< 0 |v_ULTIMATE.start_test_fun_#t~malloc2.base_1|) (= |v_#length_1| (store (store (store |v_#length_4| |v_ULTIMATE.start_test_fun_#t~malloc0.base_1| 4) |v_ULTIMATE.start_test_fun_#t~malloc1.base_1| 4) |v_ULTIMATE.start_test_fun_#t~malloc2.base_1| 4)) (= v_ULTIMATE.start_test_fun_~c~0.base_1 |v_ULTIMATE.start_test_fun_#t~malloc2.base_1|) (= v_ULTIMATE.start_test_fun_~x_ref~0.offset_1 |v_ULTIMATE.start_test_fun_#t~malloc0.offset_1|) (= (store .cse0 |v_ULTIMATE.start_test_fun_#t~malloc2.base_1| 1) |v_#valid_3|) (= v_ULTIMATE.start_test_fun_~y_ref~0.base_1 |v_ULTIMATE.start_test_fun_#t~malloc1.base_1|) (= 0 (select .cse1 |v_ULTIMATE.start_test_fun_#t~malloc1.base_1|)) (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= 0 (select .cse0 |v_ULTIMATE.start_test_fun_#t~malloc2.base_1|)) (= |v_ULTIMATE.start_test_fun_#t~malloc2.offset_1| 0) (= v_ULTIMATE.start_test_fun_~x_ref~0.base_1 |v_ULTIMATE.start_test_fun_#t~malloc0.base_1|) (= v_ULTIMATE.start_test_fun_~c~0.offset_1 |v_ULTIMATE.start_test_fun_#t~malloc2.offset_1|) (< |v_ULTIMATE.start_test_fun_#t~malloc1.base_1| 0) (< |v_ULTIMATE.start_test_fun_#t~malloc1.base_1| |v_#StackHeapBarrier_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_4|, #valid=|v_#valid_6|} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_1|, ULTIMATE.start_main_#t~nondet9=|v_ULTIMATE.start_main_#t~nondet9_1|, ULTIMATE.start_test_fun_~x_ref~0.offset=v_ULTIMATE.start_test_fun_~x_ref~0.offset_1, ULTIMATE.start_test_fun_#t~malloc1.offset=|v_ULTIMATE.start_test_fun_#t~malloc1.offset_1|, ULTIMATE.start_test_fun_#t~mem6=|v_ULTIMATE.start_test_fun_#t~mem6_1|, ULTIMATE.start_test_fun_#t~mem7=|v_ULTIMATE.start_test_fun_#t~mem7_1|, ULTIMATE.start_test_fun_#t~mem4=|v_ULTIMATE.start_test_fun_#t~mem4_1|, ULTIMATE.start_test_fun_#t~mem5=|v_ULTIMATE.start_test_fun_#t~mem5_1|, ULTIMATE.start_test_fun_#t~mem3=|v_ULTIMATE.start_test_fun_#t~mem3_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, #length=|v_#length_1|, ULTIMATE.start_test_fun_~y_ref~0.base=v_ULTIMATE.start_test_fun_~y_ref~0.base_1, ULTIMATE.start_test_fun_~x_ref~0.base=v_ULTIMATE.start_test_fun_~x_ref~0.base_1, ULTIMATE.start_test_fun_~c~0.offset=v_ULTIMATE.start_test_fun_~c~0.offset_1, ULTIMATE.start_test_fun_#t~malloc0.offset=|v_ULTIMATE.start_test_fun_#t~malloc0.offset_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|, ULTIMATE.start_test_fun_#t~malloc1.base=|v_ULTIMATE.start_test_fun_#t~malloc1.base_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, ULTIMATE.start_test_fun_#t~malloc2.base=|v_ULTIMATE.start_test_fun_#t~malloc2.base_1|, ULTIMATE.start_test_fun_#t~malloc2.offset=|v_ULTIMATE.start_test_fun_#t~malloc2.offset_1|, ULTIMATE.start_test_fun_#t~malloc0.base=|v_ULTIMATE.start_test_fun_#t~malloc0.base_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~ret10=|v_ULTIMATE.start_main_#t~ret10_1|, #valid=|v_#valid_3|, ULTIMATE.start_test_fun_~y_ref~0.offset=v_ULTIMATE.start_test_fun_~y_ref~0.offset_1, ULTIMATE.start_test_fun_~c~0.base=v_ULTIMATE.start_test_fun_~c~0.base_1} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet8, ULTIMATE.start_main_#t~nondet9, ULTIMATE.start_test_fun_~x_ref~0.offset, ULTIMATE.start_test_fun_#t~malloc1.offset, ULTIMATE.start_test_fun_#t~mem6, ULTIMATE.start_test_fun_#t~mem7, ULTIMATE.start_test_fun_#t~mem4, ULTIMATE.start_test_fun_#t~mem5, ULTIMATE.start_test_fun_#t~mem3, ULTIMATE.start_test_fun_#res, #length, ULTIMATE.start_test_fun_~y_ref~0.base, ULTIMATE.start_test_fun_~x_ref~0.base, ULTIMATE.start_test_fun_~c~0.offset, ULTIMATE.start_test_fun_#t~malloc0.offset, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x, ULTIMATE.start_test_fun_#t~malloc1.base, ULTIMATE.start_test_fun_#t~malloc2.base, ULTIMATE.start_test_fun_#t~malloc2.offset, ULTIMATE.start_test_fun_#t~malloc0.base, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~ret10, #valid, ULTIMATE.start_test_fun_~y_ref~0.offset, ULTIMATE.start_test_fun_~c~0.base] 10#L10true [57] L10-->L10-1: Formula: (and (<= (+ v_ULTIMATE.start_test_fun_~x_ref~0.offset_3 4) (select |v_#length_5| v_ULTIMATE.start_test_fun_~x_ref~0.base_3)) (<= 0 v_ULTIMATE.start_test_fun_~x_ref~0.offset_3) (= (select |v_#valid_7| v_ULTIMATE.start_test_fun_~x_ref~0.base_3) 1) (= (store |v_#memory_int_2| v_ULTIMATE.start_test_fun_~x_ref~0.base_3 (store (select |v_#memory_int_2| v_ULTIMATE.start_test_fun_~x_ref~0.base_3) v_ULTIMATE.start_test_fun_~x_ref~0.offset_3 v_ULTIMATE.start_test_fun_~x_3)) |v_#memory_int_1|)) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_3, #valid=|v_#valid_7|, #memory_int=|v_#memory_int_2|, ULTIMATE.start_test_fun_~x_ref~0.offset=v_ULTIMATE.start_test_fun_~x_ref~0.offset_3, #length=|v_#length_5|, ULTIMATE.start_test_fun_~x_ref~0.base=v_ULTIMATE.start_test_fun_~x_ref~0.base_3} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_3, #valid=|v_#valid_7|, #memory_int=|v_#memory_int_1|, ULTIMATE.start_test_fun_~x_ref~0.offset=v_ULTIMATE.start_test_fun_~x_ref~0.offset_3, #length=|v_#length_5|, ULTIMATE.start_test_fun_~x_ref~0.base=v_ULTIMATE.start_test_fun_~x_ref~0.base_3} AuxVars[] AssignedVars[#memory_int] 23#L10-1true [74] L10-1-->L11: Formula: (and (= |v_#memory_int_3| (store |v_#memory_int_4| v_ULTIMATE.start_test_fun_~y_ref~0.base_3 (store (select |v_#memory_int_4| v_ULTIMATE.start_test_fun_~y_ref~0.base_3) v_ULTIMATE.start_test_fun_~y_ref~0.offset_3 v_ULTIMATE.start_test_fun_~y_3))) (<= (+ v_ULTIMATE.start_test_fun_~y_ref~0.offset_3 4) (select |v_#length_7| v_ULTIMATE.start_test_fun_~y_ref~0.base_3)) (= 1 (select |v_#valid_9| v_ULTIMATE.start_test_fun_~y_ref~0.base_3)) (<= 0 v_ULTIMATE.start_test_fun_~y_ref~0.offset_3)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_3, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_4|, #length=|v_#length_7|, ULTIMATE.start_test_fun_~y_ref~0.base=v_ULTIMATE.start_test_fun_~y_ref~0.base_3, ULTIMATE.start_test_fun_~y_ref~0.offset=v_ULTIMATE.start_test_fun_~y_ref~0.offset_3} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_3, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_3|, #length=|v_#length_7|, ULTIMATE.start_test_fun_~y_ref~0.base=v_ULTIMATE.start_test_fun_~y_ref~0.base_3, ULTIMATE.start_test_fun_~y_ref~0.offset=v_ULTIMATE.start_test_fun_~y_ref~0.offset_3} AuxVars[] AssignedVars[#memory_int] 28#L11true [82] L11-->L13-3: Formula: (and (<= 0 v_ULTIMATE.start_test_fun_~c~0.offset_3) (= 1 (select |v_#valid_11| v_ULTIMATE.start_test_fun_~c~0.base_3)) (<= (+ v_ULTIMATE.start_test_fun_~c~0.offset_3 4) (select |v_#length_9| v_ULTIMATE.start_test_fun_~c~0.base_3)) (= (store |v_#memory_int_6| v_ULTIMATE.start_test_fun_~c~0.base_3 (store (select |v_#memory_int_6| v_ULTIMATE.start_test_fun_~c~0.base_3) v_ULTIMATE.start_test_fun_~c~0.offset_3 0)) |v_#memory_int_5|)) InVars {#memory_int=|v_#memory_int_6|, #length=|v_#length_9|, ULTIMATE.start_test_fun_~c~0.offset=v_ULTIMATE.start_test_fun_~c~0.offset_3, ULTIMATE.start_test_fun_~c~0.base=v_ULTIMATE.start_test_fun_~c~0.base_3, #valid=|v_#valid_11|} OutVars{#memory_int=|v_#memory_int_5|, #length=|v_#length_9|, ULTIMATE.start_test_fun_~c~0.offset=v_ULTIMATE.start_test_fun_~c~0.offset_3, ULTIMATE.start_test_fun_~c~0.base=v_ULTIMATE.start_test_fun_~c~0.base_3, #valid=|v_#valid_11|} AuxVars[] AssignedVars[#memory_int] 25#L13-3true [2020-06-22 10:56:27,692 INFO L796 eck$LassoCheckResult]: Loop: 25#L13-3true [78] L13-3-->L13: Formula: (and (= |v_ULTIMATE.start_test_fun_#t~mem4_2| (select (select |v_#memory_int_7| v_ULTIMATE.start_test_fun_~x_ref~0.base_6) v_ULTIMATE.start_test_fun_~x_ref~0.offset_5)) (<= 0 v_ULTIMATE.start_test_fun_~x_ref~0.offset_5) (<= (+ v_ULTIMATE.start_test_fun_~x_ref~0.offset_5 4) (select |v_#length_11| v_ULTIMATE.start_test_fun_~x_ref~0.base_6)) (= 1 (select |v_#valid_13| v_ULTIMATE.start_test_fun_~x_ref~0.base_6))) InVars {#memory_int=|v_#memory_int_7|, ULTIMATE.start_test_fun_~x_ref~0.offset=v_ULTIMATE.start_test_fun_~x_ref~0.offset_5, #length=|v_#length_11|, ULTIMATE.start_test_fun_~x_ref~0.base=v_ULTIMATE.start_test_fun_~x_ref~0.base_6, #valid=|v_#valid_13|} OutVars{ULTIMATE.start_test_fun_#t~mem4=|v_ULTIMATE.start_test_fun_#t~mem4_2|, #valid=|v_#valid_13|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_test_fun_~x_ref~0.offset=v_ULTIMATE.start_test_fun_~x_ref~0.offset_5, #length=|v_#length_11|, ULTIMATE.start_test_fun_~x_ref~0.base=v_ULTIMATE.start_test_fun_~x_ref~0.base_6} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_#t~mem4] 32#L13true [87] L13-->L13-1: Formula: (and (<= 0 v_ULTIMATE.start_test_fun_~y_ref~0.offset_5) (= (select |v_#valid_15| v_ULTIMATE.start_test_fun_~y_ref~0.base_6) 1) (= (select (select |v_#memory_int_8| v_ULTIMATE.start_test_fun_~y_ref~0.base_6) v_ULTIMATE.start_test_fun_~y_ref~0.offset_5) |v_ULTIMATE.start_test_fun_#t~mem3_2|) (<= (+ v_ULTIMATE.start_test_fun_~y_ref~0.offset_5 4) (select |v_#length_13| v_ULTIMATE.start_test_fun_~y_ref~0.base_6))) InVars {#memory_int=|v_#memory_int_8|, #length=|v_#length_13|, ULTIMATE.start_test_fun_~y_ref~0.base=v_ULTIMATE.start_test_fun_~y_ref~0.base_6, ULTIMATE.start_test_fun_~y_ref~0.offset=v_ULTIMATE.start_test_fun_~y_ref~0.offset_5, #valid=|v_#valid_15|} OutVars{ULTIMATE.start_test_fun_#t~mem3=|v_ULTIMATE.start_test_fun_#t~mem3_2|, #valid=|v_#valid_15|, #memory_int=|v_#memory_int_8|, #length=|v_#length_13|, ULTIMATE.start_test_fun_~y_ref~0.base=v_ULTIMATE.start_test_fun_~y_ref~0.base_6, ULTIMATE.start_test_fun_~y_ref~0.offset=v_ULTIMATE.start_test_fun_~y_ref~0.offset_5} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_#t~mem3] 30#L13-1true [86] L13-1-->L14: Formula: (<= (+ |v_ULTIMATE.start_test_fun_#t~mem3_6| 1) |v_ULTIMATE.start_test_fun_#t~mem4_6|) InVars {ULTIMATE.start_test_fun_#t~mem4=|v_ULTIMATE.start_test_fun_#t~mem4_6|, ULTIMATE.start_test_fun_#t~mem3=|v_ULTIMATE.start_test_fun_#t~mem3_6|} OutVars{ULTIMATE.start_test_fun_#t~mem4=|v_ULTIMATE.start_test_fun_#t~mem4_5|, ULTIMATE.start_test_fun_#t~mem3=|v_ULTIMATE.start_test_fun_#t~mem3_5|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_#t~mem4, ULTIMATE.start_test_fun_#t~mem3] 15#L14true [66] L14-->L14-1: Formula: (and (= |v_ULTIMATE.start_test_fun_#t~mem5_2| (select (select |v_#memory_int_9| v_ULTIMATE.start_test_fun_~y_ref~0.base_9) v_ULTIMATE.start_test_fun_~y_ref~0.offset_7)) (<= 0 v_ULTIMATE.start_test_fun_~y_ref~0.offset_7) (= (select |v_#valid_17| v_ULTIMATE.start_test_fun_~y_ref~0.base_9) 1) (<= (+ v_ULTIMATE.start_test_fun_~y_ref~0.offset_7 4) (select |v_#length_15| v_ULTIMATE.start_test_fun_~y_ref~0.base_9))) InVars {#memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_test_fun_~y_ref~0.base=v_ULTIMATE.start_test_fun_~y_ref~0.base_9, ULTIMATE.start_test_fun_~y_ref~0.offset=v_ULTIMATE.start_test_fun_~y_ref~0.offset_7, #valid=|v_#valid_17|} OutVars{ULTIMATE.start_test_fun_#t~mem5=|v_ULTIMATE.start_test_fun_#t~mem5_2|, #valid=|v_#valid_17|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_test_fun_~y_ref~0.base=v_ULTIMATE.start_test_fun_~y_ref~0.base_9, ULTIMATE.start_test_fun_~y_ref~0.offset=v_ULTIMATE.start_test_fun_~y_ref~0.offset_7} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_#t~mem5] 14#L14-1true [165] L14-1-->L15: Formula: (and (<= 0 v_ULTIMATE.start_test_fun_~y_ref~0.offset_11) (= (select |v_#valid_33| v_ULTIMATE.start_test_fun_~y_ref~0.base_15) 1) (= (store |v_#memory_int_18| v_ULTIMATE.start_test_fun_~y_ref~0.base_15 (store (select |v_#memory_int_18| v_ULTIMATE.start_test_fun_~y_ref~0.base_15) v_ULTIMATE.start_test_fun_~y_ref~0.offset_11 (+ |v_ULTIMATE.start_test_fun_#t~mem5_6| 1))) |v_#memory_int_17|) (<= (+ v_ULTIMATE.start_test_fun_~y_ref~0.offset_11 4) (select |v_#length_26| v_ULTIMATE.start_test_fun_~y_ref~0.base_15))) InVars {ULTIMATE.start_test_fun_#t~mem5=|v_ULTIMATE.start_test_fun_#t~mem5_6|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_18|, #length=|v_#length_26|, ULTIMATE.start_test_fun_~y_ref~0.base=v_ULTIMATE.start_test_fun_~y_ref~0.base_15, ULTIMATE.start_test_fun_~y_ref~0.offset=v_ULTIMATE.start_test_fun_~y_ref~0.offset_11} OutVars{ULTIMATE.start_test_fun_#t~mem5=|v_ULTIMATE.start_test_fun_#t~mem5_5|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_17|, #length=|v_#length_26|, ULTIMATE.start_test_fun_~y_ref~0.base=v_ULTIMATE.start_test_fun_~y_ref~0.base_15, ULTIMATE.start_test_fun_~y_ref~0.offset=v_ULTIMATE.start_test_fun_~y_ref~0.offset_11} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_#t~mem5, #memory_int] 18#L15true [69] L15-->L15-1: Formula: (and (<= (+ v_ULTIMATE.start_test_fun_~c~0.offset_5 4) (select |v_#length_19| v_ULTIMATE.start_test_fun_~c~0.base_6)) (= 1 (select |v_#valid_21| v_ULTIMATE.start_test_fun_~c~0.base_6)) (= |v_ULTIMATE.start_test_fun_#t~mem6_2| (select (select |v_#memory_int_12| v_ULTIMATE.start_test_fun_~c~0.base_6) v_ULTIMATE.start_test_fun_~c~0.offset_5)) (<= 0 v_ULTIMATE.start_test_fun_~c~0.offset_5)) InVars {#memory_int=|v_#memory_int_12|, #length=|v_#length_19|, ULTIMATE.start_test_fun_~c~0.offset=v_ULTIMATE.start_test_fun_~c~0.offset_5, ULTIMATE.start_test_fun_~c~0.base=v_ULTIMATE.start_test_fun_~c~0.base_6, #valid=|v_#valid_21|} OutVars{ULTIMATE.start_test_fun_~c~0.offset=v_ULTIMATE.start_test_fun_~c~0.offset_5, #valid=|v_#valid_21|, #memory_int=|v_#memory_int_12|, #length=|v_#length_19|, ULTIMATE.start_test_fun_#t~mem6=|v_ULTIMATE.start_test_fun_#t~mem6_2|, ULTIMATE.start_test_fun_~c~0.base=v_ULTIMATE.start_test_fun_~c~0.base_6} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_#t~mem6] 35#L15-1true [169] L15-1-->L13-3: Formula: (and (= 1 (select |v_#valid_40| v_ULTIMATE.start_test_fun_~c~0.base_19)) (<= 0 v_ULTIMATE.start_test_fun_~c~0.offset_15) (= (store |v_#memory_int_23| v_ULTIMATE.start_test_fun_~c~0.base_19 (store (select |v_#memory_int_23| v_ULTIMATE.start_test_fun_~c~0.base_19) v_ULTIMATE.start_test_fun_~c~0.offset_15 (+ |v_ULTIMATE.start_test_fun_#t~mem6_6| 1))) |v_#memory_int_22|) (<= (+ v_ULTIMATE.start_test_fun_~c~0.offset_15 4) (select |v_#length_30| v_ULTIMATE.start_test_fun_~c~0.base_19))) InVars {ULTIMATE.start_test_fun_~c~0.offset=v_ULTIMATE.start_test_fun_~c~0.offset_15, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_23|, #length=|v_#length_30|, ULTIMATE.start_test_fun_#t~mem6=|v_ULTIMATE.start_test_fun_#t~mem6_6|, ULTIMATE.start_test_fun_~c~0.base=v_ULTIMATE.start_test_fun_~c~0.base_19} OutVars{ULTIMATE.start_test_fun_~c~0.offset=v_ULTIMATE.start_test_fun_~c~0.offset_15, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_22|, #length=|v_#length_30|, ULTIMATE.start_test_fun_#t~mem6=|v_ULTIMATE.start_test_fun_#t~mem6_5|, ULTIMATE.start_test_fun_~c~0.base=v_ULTIMATE.start_test_fun_~c~0.base_19} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_test_fun_#t~mem6] 25#L13-3true [2020-06-22 10:56:27,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:27,693 INFO L82 PathProgramCache]: Analyzing trace with hash 107155798, now seen corresponding path program 1 times [2020-06-22 10:56:27,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 10:56:27,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 10:56:27,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 10:56:27,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 10:56:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 10:56:27,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:27,742 INFO L82 PathProgramCache]: Analyzing trace with hash 525939443, now seen corresponding path program 1 times [2020-06-22 10:56:27,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 10:56:27,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 10:56:27,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 10:56:27,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 10:56:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 10:56:27,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:27,760 INFO L82 PathProgramCache]: Analyzing trace with hash 626321406, now seen corresponding path program 1 times [2020-06-22 10:56:27,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 10:56:27,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 10:56:27,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 10:56:27,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 10:56:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 10:56:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 10:56:28,255 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2020-06-22 10:56:28,377 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-06-22 10:56:28,390 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 10:56:28,392 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 10:56:28,392 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 10:56:28,392 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 10:56:28,392 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 10:56:28,392 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 10:56:28,392 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 10:56:28,392 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 10:56:28,393 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 10:56:28,393 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 10:56:28,393 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 10:56:28,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 10:56:28,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 10:56:28,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 10:56:28,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 10:56:28,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 10:56:28,731 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2020-06-22 10:56:28,849 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-06-22 10:56:28,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 10:56:28,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 10:56:28,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 10:56:28,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 10:56:28,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 10:56:28,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 10:56:29,248 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 10:56:29,253 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 10:56:29,255 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 10:56:29,257 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 10:56:29,257 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 10:56:29,258 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 10:56:29,258 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 10:56:29,258 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 10:56:29,260 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 10:56:29,260 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 10:56:29,262 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 10:56:29,262 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 10:56:29,263 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 10:56:29,263 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 10:56:29,263 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 10:56:29,263 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 10:56:29,266 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 10:56:29,266 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 10:56:29,269 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 10:56:29,269 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 10:56:29,269 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 10:56:29,270 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 10:56:29,270 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 10:56:29,270 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 10:56:29,270 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 10:56:29,270 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 10:56:29,271 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 10:56:29,271 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 10:56:29,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 10:56:29,272 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 10:56:29,272 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 10:56:29,272 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 10:56:29,273 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 10:56:29,274 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 10:56:29,274 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 10:56:29,278 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 10:56:29,279 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 10:56:29,279 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 10:56:29,279 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 10:56:29,279 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 10:56:29,280 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 10:56:29,282 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 10:56:29,282 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 10:56:29,284 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 10:56:29,285 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 10:56:29,285 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 10:56:29,285 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 10:56:29,285 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 10:56:29,286 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 10:56:29,288 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 10:56:29,288 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 10:56:29,299 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 10:56:29,299 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 10:56:29,300 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 10:56:29,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 10:56:29,300 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 10:56:29,300 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 10:56:29,302 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 10:56:29,302 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 10:56:29,311 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 10:56:29,312 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 10:56:29,312 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 10:56:29,312 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 10:56:29,312 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 10:56:29,313 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 10:56:29,314 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 10:56:29,315 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 10:56:29,322 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 10:56:29,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 10:56:29,323 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 10:56:29,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 10:56:29,324 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 10:56:29,324 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 10:56:29,325 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 10:56:29,325 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 10:56:29,328 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 10:56:29,328 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 10:56:29,328 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 10:56:29,329 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 10:56:29,329 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 10:56:29,329 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 10:56:29,330 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 10:56:29,330 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 10:56:29,338 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 10:56:29,338 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 10:56:29,339 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 10:56:29,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 10:56:29,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 10:56:29,339 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 10:56:29,341 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 10:56:29,342 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 10:56:29,352 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 10:56:29,353 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 10:56:29,353 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 10:56:29,354 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 10:56:29,354 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 10:56:29,354 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 10:56:29,357 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 10:56:29,357 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 10:56:29,374 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 10:56:29,394 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 10:56:29,394 INFO L444 ModelExtractionUtils]: 21 out of 28 variables were initially zero. Simplification set additionally 4 variables to zero. [2020-06-22 10:56:29,397 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 10:56:29,398 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-06-22 10:56:29,398 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 10:56:29,399 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2020-06-22 10:56:29,484 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2020-06-22 10:56:29,488 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-06-22 10:56:29,489 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-06-22 10:56:29,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 10:56:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 10:56:29,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjunts are in the unsatisfiable core [2020-06-22 10:56:29,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 10:56:29,573 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-06-22 10:56:29,587 INFO L374 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-06-22 10:56:29,588 INFO L427 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-06-22 10:56:29,596 INFO L497 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-06-22 10:56:29,597 INFO L427 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-06-22 10:56:29,597 INFO L217 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:9 [2020-06-22 10:56:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 10:56:29,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2020-06-22 10:56:29,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 10:56:29,732 INFO L340 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-06-22 10:56:29,733 INFO L374 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 68 [2020-06-22 10:56:29,744 INFO L427 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-06-22 10:56:29,778 INFO L497 ElimStorePlain]: treesize reduction 37, result has 48.6 percent of original size [2020-06-22 10:56:29,779 INFO L427 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-06-22 10:56:29,780 INFO L217 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:51, output treesize:31 [2020-06-22 10:56:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 10:56:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 10:56:30,020 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2020-06-22 10:56:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 10:56:30,031 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2020-06-22 10:56:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 10:56:30,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2020-06-22 10:56:30,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 10:56:30,110 INFO L340 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-06-22 10:56:30,110 INFO L374 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 82 [2020-06-22 10:56:30,125 INFO L427 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-06-22 10:56:30,184 INFO L497 ElimStorePlain]: treesize reduction 85, result has 38.4 percent of original size [2020-06-22 10:56:30,186 INFO L427 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-06-22 10:56:30,186 INFO L217 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:38, output treesize:47 [2020-06-22 10:56:39,318 WARN L188 SmtUtils]: Spent 3.53 s on a formula simplification that was a NOOP. DAG size: 31 [2020-06-22 10:56:40,295 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_test_fun_~c~0.offset Int)) (not (and (= c_ULTIMATE.start_test_fun_~y_ref~0.offset ULTIMATE.start_test_fun_~c~0.offset) (= c_ULTIMATE.start_test_fun_~y_ref~0.base c_ULTIMATE.start_test_fun_~c~0.base)))) (<= (+ (select (select |c_#memory_int| c_ULTIMATE.start_test_fun_~x_ref~0.base) c_ULTIMATE.start_test_fun_~x_ref~0.offset) 1) (+ (select (select |c_#memory_int| c_ULTIMATE.start_test_fun_~c~0.base) c_ULTIMATE.start_test_fun_~y_ref~0.offset) c_oldRank0))) is different from true [2020-06-22 10:56:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 10:56:40,315 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2020-06-22 10:56:40,315 INFO L98 LoopCannibalizer]: 10 predicates before loop cannibalization 14 predicates after loop cannibalization [2020-06-22 10:56:40,319 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 14 loop predicates [2020-06-22 10:56:40,320 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 33 states. Second operand 9 states. [2020-06-22 10:56:45,842 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 33 states.. Second operand 9 states. Result 144 states and 245 transitions. Complement of second has 43 states. [2020-06-22 10:56:45,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 3 stem states 9 non-accepting loop states 2 accepting loop states [2020-06-22 10:56:45,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-06-22 10:56:45,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 165 transitions. [2020-06-22 10:56:45,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 165 transitions. Stem has 5 letters. Loop has 7 letters. [2020-06-22 10:56:45,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 10:56:45,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 165 transitions. Stem has 12 letters. Loop has 7 letters. [2020-06-22 10:56:45,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 10:56:45,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 165 transitions. Stem has 5 letters. Loop has 14 letters. [2020-06-22 10:56:45,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 10:56:45,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 245 transitions. [2020-06-22 10:56:45,864 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 10:56:45,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 0 states and 0 transitions. [2020-06-22 10:56:45,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 10:56:45,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 10:56:45,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 10:56:45,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 10:56:45,867 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 10:56:45,867 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 10:56:45,867 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 10:56:45,867 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 10:56:45,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 10:56:45,867 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 10:56:45,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 10:56:45,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 10:56:45 BasicIcfg [2020-06-22 10:56:45,873 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 10:56:45,874 INFO L168 Benchmark]: Toolchain (without parser) took 20550.46 ms. Allocated memory was 649.6 MB in the beginning and 771.8 MB in the end (delta: 122.2 MB). Free memory was 558.8 MB in the beginning and 484.3 MB in the end (delta: 74.5 MB). Peak memory consumption was 196.7 MB. Max. memory is 50.3 GB. [2020-06-22 10:56:45,875 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.5 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 10:56:45,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.77 ms. Allocated memory was 649.6 MB in the beginning and 679.0 MB in the end (delta: 29.4 MB). Free memory was 558.8 MB in the beginning and 642.5 MB in the end (delta: -83.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 50.3 GB. [2020-06-22 10:56:45,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.49 ms. Allocated memory is still 679.0 MB. Free memory was 642.5 MB in the beginning and 639.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. [2020-06-22 10:56:45,876 INFO L168 Benchmark]: Boogie Preprocessor took 23.27 ms. Allocated memory is still 679.0 MB. Free memory was 639.8 MB in the beginning and 638.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 10:56:45,877 INFO L168 Benchmark]: RCFGBuilder took 322.32 ms. Allocated memory is still 679.0 MB. Free memory was 638.4 MB in the beginning and 616.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 50.3 GB. [2020-06-22 10:56:45,877 INFO L168 Benchmark]: BlockEncodingV2 took 129.59 ms. Allocated memory is still 679.0 MB. Free memory was 616.0 MB in the beginning and 605.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. [2020-06-22 10:56:45,878 INFO L168 Benchmark]: TraceAbstraction took 1489.17 ms. Allocated memory is still 679.0 MB. Free memory was 605.2 MB in the beginning and 436.4 MB in the end (delta: 168.8 MB). Peak memory consumption was 168.8 MB. Max. memory is 50.3 GB. [2020-06-22 10:56:45,878 INFO L168 Benchmark]: BuchiAutomizer took 18233.69 ms. Allocated memory was 679.0 MB in the beginning and 771.8 MB in the end (delta: 92.8 MB). Free memory was 435.1 MB in the beginning and 484.3 MB in the end (delta: -49.2 MB). Peak memory consumption was 43.6 MB. Max. memory is 50.3 GB. [2020-06-22 10:56:45,883 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 40 locations, 41 edges - StatisticsResult: Encoded RCFG 33 locations, 60 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.5 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 307.77 ms. Allocated memory was 649.6 MB in the beginning and 679.0 MB in the end (delta: 29.4 MB). Free memory was 558.8 MB in the beginning and 642.5 MB in the end (delta: -83.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 39.49 ms. Allocated memory is still 679.0 MB. Free memory was 642.5 MB in the beginning and 639.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 23.27 ms. Allocated memory is still 679.0 MB. Free memory was 639.8 MB in the beginning and 638.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 322.32 ms. Allocated memory is still 679.0 MB. Free memory was 638.4 MB in the beginning and 616.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 129.59 ms. Allocated memory is still 679.0 MB. Free memory was 616.0 MB in the beginning and 605.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. * TraceAbstraction took 1489.17 ms. Allocated memory is still 679.0 MB. Free memory was 605.2 MB in the beginning and 436.4 MB in the end (delta: 168.8 MB). Peak memory consumption was 168.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 18233.69 ms. Allocated memory was 679.0 MB in the beginning and 771.8 MB in the end (delta: 92.8 MB). Free memory was 435.1 MB in the beginning and 484.3 MB in the end (delta: -49.2 MB). Peak memory consumption was 43.6 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: 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: 14]: 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: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant [2020-06-22 10:56:45,891 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2020-06-22 10:56:45,892 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2020-06-22 10:56:45,892 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2020-06-22 10:56:45,893 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2020-06-22 10:56:45,893 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2020-06-22 10:56:45,893 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((((4 == unknown-#length-unknown[x_ref] && 0 == c) && unknown-#length-unknown[y_ref] == 4) && x_ref == 0) && \valid[y_ref] == 1) && 1 == \valid[x_ref]) && y_ref == 0) && 4 == unknown-#length-unknown[c]) && 1 == \valid[c] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 20 error locations. SAFE Result, 1.4s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 264 SDslu, 6 SDs, 0 SdLazy, 321 SolverSat, 94 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 40 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 367 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.3s. Büchi inclusion checks took 16.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 446 SDslu, 52 SDs, 0 SdLazy, 544 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital305 mio100 ax100 hnf100 lsp98 ukn60 mio100 lsp37 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 10:56:22.106 ----------------------------------------------- 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 -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 10:56:46.119 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check