/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 10:47:06,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:47:06,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:47:06,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:47:06,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:47:06,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:47:06,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:47:06,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:47:06,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:47:06,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:47:06,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:47:06,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:47:06,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:47:06,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:47:06,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:47:06,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:47:06,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:47:06,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:47:06,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:47:06,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:47:06,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:47:06,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:47:06,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:47:06,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:47:06,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:47:06,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:47:06,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:47:06,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:47:06,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:47:06,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:47:06,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:47:06,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:47:06,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:47:06,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:47:06,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:47:06,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:47:06,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:47:06,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:47:06,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:47:06,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:47:06,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:47:06,536 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 10:47:06,550 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:47:06,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:47:06,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:47:06,552 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:47:06,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:47:06,552 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:47:06,552 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:47:06,553 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:47:06,553 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:47:06,553 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:47:06,553 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:47:06,553 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:47:06,553 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:47:06,554 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:47:06,554 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:47:06,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:47:06,554 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:47:06,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:47:06,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:47:06,555 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:47:06,555 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:47:06,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:47:06,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:47:06,555 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:47:06,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:47:06,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:47:06,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:47:06,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:47:06,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:47:06,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:47:06,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:47:06,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:47:06,739 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:47:06,739 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:47:06,740 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 10:47:06,799 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_sx726e/tmp/9467a84ba0ba42d4a65b7b93a14f383d/FLAG04e252ee0 [2020-07-01 10:47:07,146 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:47:07,147 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 10:47:07,155 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_sx726e/tmp/9467a84ba0ba42d4a65b7b93a14f383d/FLAG04e252ee0 [2020-07-01 10:47:07,536 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_sx726e/tmp/9467a84ba0ba42d4a65b7b93a14f383d [2020-07-01 10:47:07,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:47:07,549 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:47:07,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:47:07,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:47:07,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:47:07,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:47:07" (1/1) ... [2020-07-01 10:47:07,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdb91c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07, skipping insertion in model container [2020-07-01 10:47:07,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:47:07" (1/1) ... [2020-07-01 10:47:07,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:47:07,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:47:07,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:47:07,854 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:47:07,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:47:07,906 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:47:07,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07 WrapperNode [2020-07-01 10:47:07,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:47:07,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:47:07,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:47:07,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:47:07,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07" (1/1) ... [2020-07-01 10:47:07,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07" (1/1) ... [2020-07-01 10:47:07,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:47:07,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:47:07,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:47:07,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:47:07,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07" (1/1) ... [2020-07-01 10:47:07,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07" (1/1) ... [2020-07-01 10:47:07,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07" (1/1) ... [2020-07-01 10:47:07,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07" (1/1) ... [2020-07-01 10:47:07,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07" (1/1) ... [2020-07-01 10:47:07,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07" (1/1) ... [2020-07-01 10:47:07,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07" (1/1) ... [2020-07-01 10:47:07,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:47:07,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:47:07,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:47:07,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:47:07,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:47:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:47:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:47:08,431 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:47:08,432 INFO L295 CfgBuilder]: Removed 44 assume(true) statements. [2020-07-01 10:47:08,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:47:08 BoogieIcfgContainer [2020-07-01 10:47:08,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:47:08,437 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:47:08,437 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:47:08,439 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:47:08,440 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:47:08" (1/1) ... [2020-07-01 10:47:08,457 INFO L313 BlockEncoder]: Initial Icfg 75 locations, 115 edges [2020-07-01 10:47:08,459 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:47:08,459 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:47:08,460 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:47:08,460 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:47:08,462 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:47:08,463 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:47:08,463 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:47:08,492 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:47:08,526 INFO L200 BlockEncoder]: SBE split 33 edges [2020-07-01 10:47:08,531 INFO L70 emoveInfeasibleEdges]: Removed 11 edges and 0 locations because of local infeasibility [2020-07-01 10:47:08,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:47:08,572 INFO L100 BaseMinimizeStates]: Removed 30 edges and 15 locations by large block encoding [2020-07-01 10:47:08,574 INFO L70 RemoveSinkStates]: Removed 8 edges and 5 locations by removing sink states [2020-07-01 10:47:08,576 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:47:08,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:47:08,582 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 10:47:08,583 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:47:08,584 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:47:08,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:47:08,584 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:47:08,585 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:47:08,586 INFO L313 BlockEncoder]: Encoded RCFG 52 locations, 111 edges [2020-07-01 10:47:08,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:47:08 BasicIcfg [2020-07-01 10:47:08,586 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:47:08,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:47:08,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:47:08,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:47:08,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:47:07" (1/4) ... [2020-07-01 10:47:08,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532b13ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:47:08, skipping insertion in model container [2020-07-01 10:47:08,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07" (2/4) ... [2020-07-01 10:47:08,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532b13ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:47:08, skipping insertion in model container [2020-07-01 10:47:08,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:47:08" (3/4) ... [2020-07-01 10:47:08,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532b13ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:47:08, skipping insertion in model container [2020-07-01 10:47:08,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:47:08" (4/4) ... [2020-07-01 10:47:08,596 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:47:08,607 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:47:08,615 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:47:08,629 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:47:08,654 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:47:08,654 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:47:08,654 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:47:08,655 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:47:08,655 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:47:08,655 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:47:08,655 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:47:08,655 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:47:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2020-07-01 10:47:08,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:47:08,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 52 states. [2020-07-01 10:47:08,764 INFO L268 CegarLoopResult]: For program point L151(lines 150 185) no Hoare annotation was computed. [2020-07-01 10:47:08,764 INFO L268 CegarLoopResult]: For program point L52(lines 52 57) no Hoare annotation was computed. [2020-07-01 10:47:08,764 INFO L268 CegarLoopResult]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2020-07-01 10:47:08,765 INFO L271 CegarLoopResult]: At program point L242(lines 242 246) the Hoare annotation is: true [2020-07-01 10:47:08,765 INFO L268 CegarLoopResult]: For program point L242-1(lines 237 277) no Hoare annotation was computed. [2020-07-01 10:47:08,765 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-07-01 10:47:08,765 INFO L268 CegarLoopResult]: For program point L292(lines 292 297) no Hoare annotation was computed. [2020-07-01 10:47:08,765 INFO L271 CegarLoopResult]: At program point L226(lines 213 228) the Hoare annotation is: true [2020-07-01 10:47:08,766 INFO L271 CegarLoopResult]: At program point L226-1(lines 213 228) the Hoare annotation is: true [2020-07-01 10:47:08,766 INFO L268 CegarLoopResult]: For program point L32(lines 32 41) no Hoare annotation was computed. [2020-07-01 10:47:08,766 INFO L268 CegarLoopResult]: For program point L32-2(lines 32 41) no Hoare annotation was computed. [2020-07-01 10:47:08,766 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-01 10:47:08,766 INFO L268 CegarLoopResult]: For program point L32-3(lines 32 41) no Hoare annotation was computed. [2020-07-01 10:47:08,766 INFO L268 CegarLoopResult]: For program point L251(lines 251 258) no Hoare annotation was computed. [2020-07-01 10:47:08,767 INFO L268 CegarLoopResult]: For program point L32-5(lines 32 41) no Hoare annotation was computed. [2020-07-01 10:47:08,767 INFO L268 CegarLoopResult]: For program point L218(lines 218 223) no Hoare annotation was computed. [2020-07-01 10:47:08,767 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 223) no Hoare annotation was computed. [2020-07-01 10:47:08,767 INFO L271 CegarLoopResult]: At program point L313-1(lines 192 325) the Hoare annotation is: true [2020-07-01 10:47:08,767 INFO L271 CegarLoopResult]: At program point L247(lines 237 277) the Hoare annotation is: true [2020-07-01 10:47:08,767 INFO L268 CegarLoopResult]: For program point L152-1(lines 152 162) no Hoare annotation was computed. [2020-07-01 10:47:08,767 INFO L268 CegarLoopResult]: For program point L214(lines 214 224) no Hoare annotation was computed. [2020-07-01 10:47:08,768 INFO L268 CegarLoopResult]: For program point L214-1(lines 214 224) no Hoare annotation was computed. [2020-07-01 10:47:08,768 INFO L268 CegarLoopResult]: For program point L82(lines 82 86) no Hoare annotation was computed. [2020-07-01 10:47:08,768 INFO L271 CegarLoopResult]: At program point L82-2(lines 66 90) the Hoare annotation is: true [2020-07-01 10:47:08,768 INFO L268 CegarLoopResult]: For program point L82-3(lines 82 86) no Hoare annotation was computed. [2020-07-01 10:47:08,768 INFO L271 CegarLoopResult]: At program point L82-5(lines 66 90) the Hoare annotation is: true [2020-07-01 10:47:08,768 INFO L271 CegarLoopResult]: At program point L107-1(lines 95 132) the Hoare annotation is: true [2020-07-01 10:47:08,769 INFO L268 CegarLoopResult]: For program point L74(lines 74 78) no Hoare annotation was computed. [2020-07-01 10:47:08,769 INFO L268 CegarLoopResult]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2020-07-01 10:47:08,769 INFO L268 CegarLoopResult]: For program point L74-3(lines 74 78) no Hoare annotation was computed. [2020-07-01 10:47:08,769 INFO L268 CegarLoopResult]: For program point L74-5(lines 74 78) no Hoare annotation was computed. [2020-07-01 10:47:08,769 INFO L268 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2020-07-01 10:47:08,769 INFO L268 CegarLoopResult]: For program point L33(lines 33 38) no Hoare annotation was computed. [2020-07-01 10:47:08,769 INFO L268 CegarLoopResult]: For program point L33-1(lines 33 38) no Hoare annotation was computed. [2020-07-01 10:47:08,770 INFO L271 CegarLoopResult]: At program point L62(lines 50 64) the Hoare annotation is: true [2020-07-01 10:47:08,770 INFO L271 CegarLoopResult]: At program point L62-1(lines 50 64) the Hoare annotation is: true [2020-07-01 10:47:08,770 INFO L268 CegarLoopResult]: For program point L108(lines 107 127) no Hoare annotation was computed. [2020-07-01 10:47:08,770 INFO L268 CegarLoopResult]: For program point L96(lines 96 104) no Hoare annotation was computed. [2020-07-01 10:47:08,770 INFO L268 CegarLoopResult]: For program point L51(lines 51 60) no Hoare annotation was computed. [2020-07-01 10:47:08,770 INFO L268 CegarLoopResult]: For program point L51-2(lines 51 60) no Hoare annotation was computed. [2020-07-01 10:47:08,770 INFO L268 CegarLoopResult]: For program point L51-3(lines 51 60) no Hoare annotation was computed. [2020-07-01 10:47:08,771 INFO L271 CegarLoopResult]: At program point L142(lines 142 146) the Hoare annotation is: true [2020-07-01 10:47:08,771 INFO L268 CegarLoopResult]: For program point L51-5(lines 51 60) no Hoare annotation was computed. [2020-07-01 10:47:08,771 INFO L271 CegarLoopResult]: At program point L109(lines 95 132) the Hoare annotation is: true [2020-07-01 10:47:08,771 INFO L271 CegarLoopResult]: At program point L299(lines 288 301) the Hoare annotation is: true [2020-07-01 10:47:08,771 INFO L271 CegarLoopResult]: At program point L43(lines 31 45) the Hoare annotation is: true [2020-07-01 10:47:08,771 INFO L268 CegarLoopResult]: For program point L266(lines 266 273) no Hoare annotation was computed. [2020-07-01 10:47:08,772 INFO L271 CegarLoopResult]: At program point L43-1(lines 31 45) the Hoare annotation is: true [2020-07-01 10:47:08,772 INFO L271 CegarLoopResult]: At program point L10-2(lines 138 190) the Hoare annotation is: true [2020-07-01 10:47:08,772 INFO L271 CegarLoopResult]: At program point L262(lines 237 277) the Hoare annotation is: true [2020-07-01 10:47:08,772 INFO L268 CegarLoopResult]: For program point L196(lines 196 200) no Hoare annotation was computed. [2020-07-01 10:47:08,772 INFO L268 CegarLoopResult]: For program point L196-2(lines 195 208) no Hoare annotation was computed. [2020-07-01 10:47:08,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:47:08 BasicIcfg [2020-07-01 10:47:08,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:47:08,783 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:47:08,783 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:47:08,786 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:47:08,787 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:47:08,787 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:47:07" (1/5) ... [2020-07-01 10:47:08,788 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@323adcf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:47:08, skipping insertion in model container [2020-07-01 10:47:08,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:47:08,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:07" (2/5) ... [2020-07-01 10:47:08,789 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@323adcf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:47:08, skipping insertion in model container [2020-07-01 10:47:08,789 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:47:08,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:47:08" (3/5) ... [2020-07-01 10:47:08,789 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@323adcf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:47:08, skipping insertion in model container [2020-07-01 10:47:08,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:47:08,790 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:47:08" (4/5) ... [2020-07-01 10:47:08,790 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@323adcf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:47:08, skipping insertion in model container [2020-07-01 10:47:08,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:47:08,790 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:47:08" (5/5) ... [2020-07-01 10:47:08,792 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:47:08,817 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:47:08,817 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:47:08,817 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:47:08,818 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:47:08,818 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:47:08,818 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:47:08,818 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:47:08,818 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:47:08,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states. [2020-07-01 10:47:08,843 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2020-07-01 10:47:08,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:47:08,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:47:08,850 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-01 10:47:08,850 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 10:47:08,851 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:47:08,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states. [2020-07-01 10:47:08,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2020-07-01 10:47:08,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:47:08,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:47:08,855 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-01 10:47:08,855 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 10:47:08,861 INFO L794 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRYtrue [520] ULTIMATE.startENTRY-->L196: Formula: (and (= 0 v_~c_last_read~0_6) (= v_~q_write_ev~0_11 v_~q_read_ev~0_11) (= 0 v_~c_dr_pc~0_14) (= 0 v_~p_dw_st~0_15) (= 0 v_~p_dw_pc~0_14) (= 0 v_~a_t~0_5) (= 0 v_~c_num_read~0_9) (= 0 v_~c_dr_st~0_15) (= 2 v_~q_write_ev~0_11) (= 1 v_~p_dw_i~0_7) (= v_ULTIMATE.start_start_simulation_~kernel_st~0_7 0) (= 0 v_~q_buf_0~0_5) (= 1 v_~q_free~0_11) (= 1 v_~c_dr_i~0_7) (= 0 v_~p_last_write~0_6) (= 0 v_~p_num_write~0_9)) InVars {} OutVars{ULTIMATE.start_start_simulation_#t~ret7=|v_ULTIMATE.start_start_simulation_#t~ret7_4|, ~p_last_write~0=v_~p_last_write~0_6, ~c_dr_pc~0=v_~c_dr_pc~0_14, ~c_dr_st~0=v_~c_dr_st~0_15, ~c_num_read~0=v_~c_num_read~0_9, ~p_num_write~0=v_~p_num_write~0_9, ~c_dr_i~0=v_~c_dr_i~0_7, ULTIMATE.start_start_simulation_~tmp~3=v_ULTIMATE.start_start_simulation_~tmp~3_7, ULTIMATE.start_start_simulation_~kernel_st~0=v_ULTIMATE.start_start_simulation_~kernel_st~0_7, ~q_write_ev~0=v_~q_write_ev~0_11, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_5|, ~p_dw_st~0=v_~p_dw_st~0_15, ~p_dw_i~0=v_~p_dw_i~0_7, ~c_last_read~0=v_~c_last_read~0_6, ~p_dw_pc~0=v_~p_dw_pc~0_14, ~q_free~0=v_~q_free~0_11, ~q_buf_0~0=v_~q_buf_0~0_5, ULTIMATE.start_main_~__retres1~3=v_ULTIMATE.start_main_~__retres1~3_6, ~q_read_ev~0=v_~q_read_ev~0_11, ~a_t~0=v_~a_t~0_5} AuxVars[] AssignedVars[ULTIMATE.start_start_simulation_#t~ret7, ~p_last_write~0, ~c_dr_pc~0, ~c_dr_st~0, ~c_num_read~0, ~p_num_write~0, ~c_dr_i~0, ULTIMATE.start_start_simulation_~tmp~3, ULTIMATE.start_start_simulation_~kernel_st~0, ~q_write_ev~0, ULTIMATE.start_main_#res, ~p_dw_st~0, ~p_dw_i~0, ~c_last_read~0, ~p_dw_pc~0, ~q_free~0, ~q_buf_0~0, ULTIMATE.start_main_~__retres1~3, ~q_read_ev~0, ~a_t~0] 54#L196true [454] L196-->L196-2: Formula: (and (< 1 v_~p_dw_i~0_4) (= v_~p_dw_st~0_3 2)) InVars {~p_dw_i~0=v_~p_dw_i~0_4} OutVars{~p_dw_st~0=v_~p_dw_st~0_3, ~p_dw_i~0=v_~p_dw_i~0_4} AuxVars[] AssignedVars[~p_dw_st~0] 52#L196-2true [413] L196-2-->L313-1: Formula: (and (= 1 v_~c_dr_i~0_3) (= v_~c_dr_st~0_3 0)) InVars {~c_dr_i~0=v_~c_dr_i~0_3} OutVars{~c_dr_st~0=v_~c_dr_st~0_3, ~c_dr_i~0=v_~c_dr_i~0_3} AuxVars[] AssignedVars[~c_dr_st~0] 40#L313-1true [2020-07-01 10:47:08,861 INFO L796 eck$LassoCheckResult]: Loop: 40#L313-1true [521] L313-1-->L262: Formula: (= v_ULTIMATE.start_start_simulation_~kernel_st~0_8 1) InVars {} OutVars{ULTIMATE.start_eval_#t~nondet4=|v_ULTIMATE.start_eval_#t~nondet4_4|, ULTIMATE.start_start_simulation_~kernel_st~0=v_ULTIMATE.start_start_simulation_~kernel_st~0_8, ULTIMATE.start_eval_#t~nondet5=|v_ULTIMATE.start_eval_#t~nondet5_4|, ULTIMATE.start_eval_#t~ret3=|v_ULTIMATE.start_eval_#t~ret3_4|, ULTIMATE.start_eval_~tmp~1=v_ULTIMATE.start_eval_~tmp~1_6, ULTIMATE.start_eval_~tmp___0~1=v_ULTIMATE.start_eval_~tmp___0~1_6, ULTIMATE.start_eval_~tmp___1~0=v_ULTIMATE.start_eval_~tmp___1~0_6} AuxVars[] AssignedVars[ULTIMATE.start_eval_#t~nondet4, ULTIMATE.start_start_simulation_~kernel_st~0, ULTIMATE.start_eval_#t~nondet5, ULTIMATE.start_eval_#t~ret3, ULTIMATE.start_eval_~tmp~1, ULTIMATE.start_eval_~tmp___0~1, ULTIMATE.start_eval_~tmp___1~0] 43#L262true [522] L262-->L214: Formula: true InVars {} OutVars{ULTIMATE.start_exists_runnable_thread_~__retres1~2=v_ULTIMATE.start_exists_runnable_thread_~__retres1~2_15, ULTIMATE.start_exists_runnable_thread_#res=|v_ULTIMATE.start_exists_runnable_thread_#res_7|} AuxVars[] AssignedVars[ULTIMATE.start_exists_runnable_thread_~__retres1~2, ULTIMATE.start_exists_runnable_thread_#res] 48#L214true [406] L214-->L226: Formula: (and (= 0 v_~p_dw_st~0_6) (= v_ULTIMATE.start_exists_runnable_thread_~__retres1~2_11 1)) InVars {~p_dw_st~0=v_~p_dw_st~0_6} OutVars{~p_dw_st~0=v_~p_dw_st~0_6, ULTIMATE.start_exists_runnable_thread_~__retres1~2=v_ULTIMATE.start_exists_runnable_thread_~__retres1~2_11} AuxVars[] AssignedVars[ULTIMATE.start_exists_runnable_thread_~__retres1~2] 14#L226true [523] L226-->L242: Formula: (and (= |v_ULTIMATE.start_exists_runnable_thread_#res_8| v_ULTIMATE.start_eval_~tmp___1~0_7) (= |v_ULTIMATE.start_exists_runnable_thread_#res_8| v_ULTIMATE.start_exists_runnable_thread_~__retres1~2_16)) InVars {ULTIMATE.start_exists_runnable_thread_~__retres1~2=v_ULTIMATE.start_exists_runnable_thread_~__retres1~2_16} OutVars{ULTIMATE.start_exists_runnable_thread_~__retres1~2=v_ULTIMATE.start_exists_runnable_thread_~__retres1~2_16, ULTIMATE.start_exists_runnable_thread_#res=|v_ULTIMATE.start_exists_runnable_thread_#res_8|, ULTIMATE.start_eval_#t~ret3=|v_ULTIMATE.start_eval_#t~ret3_5|, ULTIMATE.start_eval_~tmp___1~0=v_ULTIMATE.start_eval_~tmp___1~0_7} AuxVars[] AssignedVars[ULTIMATE.start_exists_runnable_thread_#res, ULTIMATE.start_eval_#t~ret3, ULTIMATE.start_eval_~tmp___1~0] 22#L242true [524] L242-->L214-1: Formula: (= 0 v_ULTIMATE.start_eval_~tmp___1~0_8) InVars {ULTIMATE.start_eval_~tmp___1~0=v_ULTIMATE.start_eval_~tmp___1~0_8} OutVars{ULTIMATE.start_exists_runnable_thread_~__retres1~2=v_ULTIMATE.start_exists_runnable_thread_~__retres1~2_17, ULTIMATE.start_exists_runnable_thread_#res=|v_ULTIMATE.start_exists_runnable_thread_#res_9|, ULTIMATE.start_stop_simulation_~__retres2~0=v_ULTIMATE.start_stop_simulation_~__retres2~0_7, ULTIMATE.start_stop_simulation_~tmp~2=v_ULTIMATE.start_stop_simulation_~tmp~2_7, ULTIMATE.start_stop_simulation_#t~ret6=|v_ULTIMATE.start_stop_simulation_#t~ret6_4|, ULTIMATE.start_stop_simulation_#res=|v_ULTIMATE.start_stop_simulation_#res_4|, ULTIMATE.start_eval_~tmp___1~0=v_ULTIMATE.start_eval_~tmp___1~0_8} AuxVars[] AssignedVars[ULTIMATE.start_exists_runnable_thread_~__retres1~2, ULTIMATE.start_exists_runnable_thread_#res, ULTIMATE.start_stop_simulation_~__retres2~0, ULTIMATE.start_stop_simulation_~tmp~2, ULTIMATE.start_stop_simulation_#t~ret6, ULTIMATE.start_stop_simulation_#res] 47#L214-1true [404] L214-1-->L226-1: Formula: (and (= v_ULTIMATE.start_exists_runnable_thread_~__retres1~2_4 1) (= 0 v_~p_dw_st~0_4)) InVars {~p_dw_st~0=v_~p_dw_st~0_4} OutVars{~p_dw_st~0=v_~p_dw_st~0_4, ULTIMATE.start_exists_runnable_thread_~__retres1~2=v_ULTIMATE.start_exists_runnable_thread_~__retres1~2_4} AuxVars[] AssignedVars[ULTIMATE.start_exists_runnable_thread_~__retres1~2] 13#L226-1true [525] L226-1-->L292: Formula: (and (= v_ULTIMATE.start_exists_runnable_thread_~__retres1~2_18 |v_ULTIMATE.start_exists_runnable_thread_#res_10|) (= v_ULTIMATE.start_stop_simulation_~tmp~2_8 |v_ULTIMATE.start_exists_runnable_thread_#res_10|)) InVars {ULTIMATE.start_exists_runnable_thread_~__retres1~2=v_ULTIMATE.start_exists_runnable_thread_~__retres1~2_18} OutVars{ULTIMATE.start_exists_runnable_thread_~__retres1~2=v_ULTIMATE.start_exists_runnable_thread_~__retres1~2_18, ULTIMATE.start_exists_runnable_thread_#res=|v_ULTIMATE.start_exists_runnable_thread_#res_10|, ULTIMATE.start_stop_simulation_~tmp~2=v_ULTIMATE.start_stop_simulation_~tmp~2_8, ULTIMATE.start_stop_simulation_#t~ret6=|v_ULTIMATE.start_stop_simulation_#t~ret6_5|} AuxVars[] AssignedVars[ULTIMATE.start_exists_runnable_thread_#res, ULTIMATE.start_stop_simulation_~tmp~2, ULTIMATE.start_stop_simulation_#t~ret6] 18#L292true [465] L292-->L299: Formula: (and (= v_ULTIMATE.start_stop_simulation_~__retres2~0_4 0) (> 0 v_ULTIMATE.start_stop_simulation_~tmp~2_5)) InVars {ULTIMATE.start_stop_simulation_~tmp~2=v_ULTIMATE.start_stop_simulation_~tmp~2_5} OutVars{ULTIMATE.start_stop_simulation_~__retres2~0=v_ULTIMATE.start_stop_simulation_~__retres2~0_4, ULTIMATE.start_stop_simulation_~tmp~2=v_ULTIMATE.start_stop_simulation_~tmp~2_5} AuxVars[] AssignedVars[ULTIMATE.start_stop_simulation_~__retres2~0] 11#L299true [534] L299-->L313-1: Formula: (and (= v_ULTIMATE.start_stop_simulation_~__retres2~0_9 |v_ULTIMATE.start_stop_simulation_#res_6|) (= 0 v_ULTIMATE.start_start_simulation_~tmp~3_9) (= |v_ULTIMATE.start_stop_simulation_#res_6| v_ULTIMATE.start_start_simulation_~tmp~3_9)) InVars {ULTIMATE.start_stop_simulation_~__retres2~0=v_ULTIMATE.start_stop_simulation_~__retres2~0_9} OutVars{ULTIMATE.start_start_simulation_#t~ret7=|v_ULTIMATE.start_start_simulation_#t~ret7_6|, ULTIMATE.start_stop_simulation_~__retres2~0=v_ULTIMATE.start_stop_simulation_~__retres2~0_9, ULTIMATE.start_stop_simulation_#res=|v_ULTIMATE.start_stop_simulation_#res_6|, ULTIMATE.start_start_simulation_~tmp~3=v_ULTIMATE.start_start_simulation_~tmp~3_9} AuxVars[] AssignedVars[ULTIMATE.start_start_simulation_#t~ret7, ULTIMATE.start_stop_simulation_#res, ULTIMATE.start_start_simulation_~tmp~3] 40#L313-1true [2020-07-01 10:47:08,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:47:08,869 INFO L82 PathProgramCache]: Analyzing trace with hash 543998, now seen corresponding path program 1 times [2020-07-01 10:47:08,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:47:08,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523964544] [2020-07-01 10:47:08,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:47:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:47:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 10:47:08,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523964544] [2020-07-01 10:47:08,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 10:47:08,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 10:47:08,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244048706] [2020-07-01 10:47:08,990 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-07-01 10:47:08,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:47:08,991 INFO L82 PathProgramCache]: Analyzing trace with hash 65342963, now seen corresponding path program 1 times [2020-07-01 10:47:08,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:47:08,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592426605] [2020-07-01 10:47:08,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:47:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:47:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 10:47:09,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592426605] [2020-07-01 10:47:09,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 10:47:09,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-01 10:47:09,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538737228] [2020-07-01 10:47:09,019 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 10:47:09,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 10:47:09,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 10:47:09,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 10:47:09,037 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 3 states. [2020-07-01 10:47:09,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 10:47:09,142 INFO L93 Difference]: Finished difference Result 52 states and 110 transitions. [2020-07-01 10:47:09,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 10:47:09,145 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: unknown kind of automaton at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.toString(AutomatonDefinitionPrinter.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.TermcompProofBenchmark.reportFiniteModule(TermcompProofBenchmark.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:978) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-01 10:47:09,157 INFO L168 Benchmark]: Toolchain (without parser) took 1599.73 ms. Allocated memory was 514.9 MB in the beginning and 563.1 MB in the end (delta: 48.2 MB). Free memory was 435.9 MB in the beginning and 431.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 52.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:09,158 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 514.9 MB. Free memory is still 455.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:47:09,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.17 ms. Allocated memory was 514.9 MB in the beginning and 563.1 MB in the end (delta: 48.2 MB). Free memory was 435.2 MB in the beginning and 528.5 MB in the end (delta: -93.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:09,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.27 ms. Allocated memory is still 563.1 MB. Free memory was 528.5 MB in the beginning and 526.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:09,180 INFO L168 Benchmark]: Boogie Preprocessor took 30.49 ms. Allocated memory is still 563.1 MB. Free memory was 526.0 MB in the beginning and 524.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:09,180 INFO L168 Benchmark]: RCFGBuilder took 450.09 ms. Allocated memory is still 563.1 MB. Free memory was 523.5 MB in the beginning and 494.6 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:09,181 INFO L168 Benchmark]: BlockEncodingV2 took 149.55 ms. Allocated memory is still 563.1 MB. Free memory was 494.6 MB in the beginning and 481.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:09,181 INFO L168 Benchmark]: TraceAbstraction took 194.50 ms. Allocated memory is still 563.1 MB. Free memory was 480.5 MB in the beginning and 464.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:09,182 INFO L168 Benchmark]: BuchiAutomizer took 364.05 ms. Allocated memory is still 563.1 MB. Free memory was 464.4 MB in the beginning and 431.6 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:09,185 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 75 locations, 115 edges - StatisticsResult: Encoded RCFG 52 locations, 111 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 514.9 MB. Free memory is still 455.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 357.17 ms. Allocated memory was 514.9 MB in the beginning and 563.1 MB in the end (delta: 48.2 MB). Free memory was 435.2 MB in the beginning and 528.5 MB in the end (delta: -93.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 47.27 ms. Allocated memory is still 563.1 MB. Free memory was 528.5 MB in the beginning and 526.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 30.49 ms. Allocated memory is still 563.1 MB. Free memory was 526.0 MB in the beginning and 524.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. * RCFGBuilder took 450.09 ms. Allocated memory is still 563.1 MB. Free memory was 523.5 MB in the beginning and 494.6 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 149.55 ms. Allocated memory is still 563.1 MB. Free memory was 494.6 MB in the beginning and 481.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 194.50 ms. Allocated memory is still 563.1 MB. Free memory was 480.5 MB in the beginning and 464.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 364.05 ms. Allocated memory is still 563.1 MB. Free memory was 464.4 MB in the beginning and 431.6 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 18 NumberOfFragments, 18 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: unknown kind of automaton de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: unknown kind of automaton: de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. !SESSION 2020-07-01 10:47:04.319 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp/BenchExec_run_sx726e/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:47:09.438 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check