/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread/stack_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 19:21:03,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 19:21:03,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 19:21:03,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 19:21:03,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 19:21:03,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 19:21:03,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 19:21:03,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 19:21:03,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 19:21:03,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 19:21:03,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 19:21:03,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 19:21:03,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 19:21:03,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 19:21:03,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 19:21:03,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 19:21:03,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 19:21:03,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 19:21:03,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 19:21:03,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 19:21:03,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 19:21:03,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 19:21:03,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 19:21:03,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 19:21:03,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 19:21:03,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 19:21:03,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 19:21:03,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 19:21:03,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 19:21:03,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 19:21:03,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 19:21:03,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 19:21:03,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 19:21:03,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 19:21:03,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 19:21:03,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 19:21:03,691 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-MCR.epf [2019-12-27 19:21:03,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 19:21:03,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 19:21:03,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 19:21:03,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 19:21:03,708 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 19:21:03,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 19:21:03,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 19:21:03,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 19:21:03,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 19:21:03,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 19:21:03,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 19:21:03,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 19:21:03,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 19:21:03,709 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 19:21:03,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 19:21:03,710 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 19:21:03,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 19:21:03,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 19:21:03,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 19:21:03,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 19:21:03,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 19:21:03,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 19:21:03,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 19:21:03,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 19:21:03,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 19:21:03,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 19:21:03,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 19:21:03,712 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 19:21:03,713 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 19:21:03,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 19:21:03,713 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 19:21:03,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 19:21:03,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 19:21:04,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 19:21:04,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 19:21:04,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 19:21:04,014 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 19:21:04,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2019-12-27 19:21:04,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d75f386/6cf097bb71a44a7881f7775ad8ecfb9b/FLAG3cd828b15 [2019-12-27 19:21:04,679 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 19:21:04,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2019-12-27 19:21:04,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d75f386/6cf097bb71a44a7881f7775ad8ecfb9b/FLAG3cd828b15 [2019-12-27 19:21:04,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d75f386/6cf097bb71a44a7881f7775ad8ecfb9b [2019-12-27 19:21:04,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 19:21:04,925 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 19:21:04,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 19:21:04,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 19:21:04,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 19:21:04,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 07:21:04" (1/1) ... [2019-12-27 19:21:04,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7257e8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:04, skipping insertion in model container [2019-12-27 19:21:04,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 07:21:04" (1/1) ... [2019-12-27 19:21:04,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 19:21:05,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 19:21:05,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 19:21:05,649 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 19:21:05,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 19:21:05,849 INFO L208 MainTranslator]: Completed translation [2019-12-27 19:21:05,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:05 WrapperNode [2019-12-27 19:21:05,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 19:21:05,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 19:21:05,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 19:21:05,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 19:21:05,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:05" (1/1) ... [2019-12-27 19:21:05,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:05" (1/1) ... [2019-12-27 19:21:05,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 19:21:05,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 19:21:05,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 19:21:05,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 19:21:05,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:05" (1/1) ... [2019-12-27 19:21:05,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:05" (1/1) ... [2019-12-27 19:21:05,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:05" (1/1) ... [2019-12-27 19:21:05,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:05" (1/1) ... [2019-12-27 19:21:05,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:05" (1/1) ... [2019-12-27 19:21:05,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:05" (1/1) ... [2019-12-27 19:21:05,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:05" (1/1) ... [2019-12-27 19:21:05,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 19:21:05,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 19:21:05,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 19:21:05,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 19:21:05,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 19:21:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-27 19:21:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-27 19:21:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-27 19:21:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-27 19:21:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 19:21:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 19:21:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 19:21:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 19:21:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 19:21:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 19:21:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 19:21:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 19:21:06,060 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 19:21:06,599 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 19:21:06,602 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-27 19:21:06,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 07:21:06 BoogieIcfgContainer [2019-12-27 19:21:06,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 19:21:06,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 19:21:06,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 19:21:06,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 19:21:06,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 07:21:04" (1/3) ... [2019-12-27 19:21:06,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fdfe454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 07:21:06, skipping insertion in model container [2019-12-27 19:21:06,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:05" (2/3) ... [2019-12-27 19:21:06,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fdfe454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 07:21:06, skipping insertion in model container [2019-12-27 19:21:06,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 07:21:06" (3/3) ... [2019-12-27 19:21:06,615 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2019-12-27 19:21:06,626 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 19:21:06,626 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 19:21:06,635 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 19:21:06,636 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 19:21:06,702 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,702 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,703 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,703 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,703 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,703 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,703 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,704 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,704 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,704 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,704 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,705 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,705 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,705 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,705 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,705 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,706 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,706 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,706 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,706 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,707 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,707 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,707 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,707 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,707 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,707 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,708 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,708 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,708 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,708 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,708 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,709 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,709 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,709 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,709 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,709 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,710 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,710 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,710 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,710 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,710 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,713 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,713 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,713 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,713 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,714 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,714 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,714 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,714 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,714 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,715 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,715 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,715 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,715 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,716 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,716 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,716 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,716 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,717 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,717 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,717 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,717 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,718 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,718 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,719 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,719 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,719 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,719 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,719 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,720 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,720 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,720 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,720 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,721 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,721 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,721 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,721 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,721 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,722 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,722 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,722 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,722 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,722 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,724 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,725 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,725 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,725 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,726 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,726 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,726 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,726 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,726 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,726 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,727 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,727 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,727 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,727 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,728 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,728 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,728 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,729 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,732 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,732 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,732 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,733 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,740 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,740 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,741 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,741 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,741 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,741 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,742 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,743 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,743 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,743 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,744 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,744 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,744 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,744 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,744 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,745 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,745 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,745 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,745 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,745 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,746 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,746 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,752 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,752 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,752 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,753 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,753 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,753 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,753 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,753 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,753 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,754 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,754 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,754 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,754 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,754 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,755 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,755 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,755 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,755 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,755 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,756 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,756 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,764 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,764 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,764 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,765 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,765 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,765 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,765 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,765 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,766 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,766 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,766 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,766 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,766 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,766 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,767 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,767 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,767 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,767 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,767 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:06,794 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 19:21:06,817 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 19:21:06,818 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 19:21:06,819 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 19:21:06,819 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 19:21:06,819 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 19:21:06,820 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 19:21:06,820 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 19:21:06,820 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 19:21:06,839 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 140 transitions [2019-12-27 19:21:06,840 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions [2019-12-27 19:21:06,927 INFO L132 PetriNetUnfolder]: 10/140 cut-off events. [2019-12-27 19:21:06,927 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 19:21:06,936 INFO L76 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 140 events. 10/140 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 359 event pairs. 0/129 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2019-12-27 19:21:06,947 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions [2019-12-27 19:21:06,985 INFO L132 PetriNetUnfolder]: 10/140 cut-off events. [2019-12-27 19:21:06,986 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 19:21:06,990 INFO L76 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 140 events. 10/140 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 359 event pairs. 0/129 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2019-12-27 19:21:06,998 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5952 [2019-12-27 19:21:06,999 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 19:21:08,652 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-12-27 19:21:09,370 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-12-27 19:21:10,104 WARN L192 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-12-27 19:21:10,350 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-12-27 19:21:10,361 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6980 [2019-12-27 19:21:10,362 INFO L214 etLargeBlockEncoding]: Total number of compositions: 114 [2019-12-27 19:21:10,365 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 41 transitions [2019-12-27 19:21:10,393 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 360 states. [2019-12-27 19:21:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2019-12-27 19:21:10,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 19:21:10,402 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:10,403 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 19:21:10,404 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:21:10,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:10,410 INFO L82 PathProgramCache]: Analyzing trace with hash -343856591, now seen corresponding path program 1 times [2019-12-27 19:21:10,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:10,422 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014668435] [2019-12-27 19:21:10,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 19:21:10,630 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014668435] [2019-12-27 19:21:10,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:21:10,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 19:21:10,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [312101783] [2019-12-27 19:21:10,632 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:21:10,636 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:21:10,648 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 7 states and 6 transitions. [2019-12-27 19:21:10,649 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:21:10,652 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:21:10,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:21:10,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:21:10,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:21:10,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:21:10,668 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 3 states. [2019-12-27 19:21:10,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:21:10,788 INFO L93 Difference]: Finished difference Result 577 states and 1453 transitions. [2019-12-27 19:21:10,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:21:10,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 19:21:10,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:21:10,832 INFO L225 Difference]: With dead ends: 577 [2019-12-27 19:21:10,833 INFO L226 Difference]: Without dead ends: 555 [2019-12-27 19:21:10,838 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 [2019-12-27 19:21:10,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2019-12-27 19:21:10,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 515. [2019-12-27 19:21:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2019-12-27 19:21:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 1354 transitions. [2019-12-27 19:21:10,975 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 1354 transitions. Word has length 6 [2019-12-27 19:21:10,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:21:10,976 INFO L462 AbstractCegarLoop]: Abstraction has 515 states and 1354 transitions. [2019-12-27 19:21:10,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:21:10,976 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1354 transitions. [2019-12-27 19:21:10,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 19:21:10,977 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:10,977 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:21:10,978 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:21:10,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:10,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1733325996, now seen corresponding path program 1 times [2019-12-27 19:21:10,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:10,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533723706] [2019-12-27 19:21:10,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 19:21:11,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533723706] [2019-12-27 19:21:11,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:21:11,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 19:21:11,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [489435011] [2019-12-27 19:21:11,061 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:21:11,062 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:21:11,063 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 10 states and 9 transitions. [2019-12-27 19:21:11,063 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:21:11,063 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:21:11,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:21:11,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:21:11,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:21:11,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:21:11,066 INFO L87 Difference]: Start difference. First operand 515 states and 1354 transitions. Second operand 3 states. [2019-12-27 19:21:11,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:21:11,083 INFO L93 Difference]: Finished difference Result 620 states and 1596 transitions. [2019-12-27 19:21:11,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:21:11,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-27 19:21:11,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:21:11,089 INFO L225 Difference]: With dead ends: 620 [2019-12-27 19:21:11,089 INFO L226 Difference]: Without dead ends: 598 [2019-12-27 19:21:11,090 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 [2019-12-27 19:21:11,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2019-12-27 19:21:11,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 558. [2019-12-27 19:21:11,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2019-12-27 19:21:11,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 1476 transitions. [2019-12-27 19:21:11,114 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 1476 transitions. Word has length 9 [2019-12-27 19:21:11,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:21:11,115 INFO L462 AbstractCegarLoop]: Abstraction has 558 states and 1476 transitions. [2019-12-27 19:21:11,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:21:11,116 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1476 transitions. [2019-12-27 19:21:11,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 19:21:11,117 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:11,117 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:21:11,117 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:21:11,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:11,118 INFO L82 PathProgramCache]: Analyzing trace with hash -2046966621, now seen corresponding path program 1 times [2019-12-27 19:21:11,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:11,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953689535] [2019-12-27 19:21:11,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 19:21:11,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953689535] [2019-12-27 19:21:11,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:21:11,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 19:21:11,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [532380139] [2019-12-27 19:21:11,210 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:21:11,211 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:21:11,213 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 19:21:11,213 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:21:11,213 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:21:11,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:21:11,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:21:11,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:21:11,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:21:11,214 INFO L87 Difference]: Start difference. First operand 558 states and 1476 transitions. Second operand 3 states. [2019-12-27 19:21:11,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:21:11,229 INFO L93 Difference]: Finished difference Result 594 states and 1567 transitions. [2019-12-27 19:21:11,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:21:11,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 19:21:11,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:21:11,235 INFO L225 Difference]: With dead ends: 594 [2019-12-27 19:21:11,235 INFO L226 Difference]: Without dead ends: 594 [2019-12-27 19:21:11,235 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 [2019-12-27 19:21:11,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2019-12-27 19:21:11,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 594. [2019-12-27 19:21:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2019-12-27 19:21:11,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 1567 transitions. [2019-12-27 19:21:11,256 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 1567 transitions. Word has length 10 [2019-12-27 19:21:11,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:21:11,256 INFO L462 AbstractCegarLoop]: Abstraction has 594 states and 1567 transitions. [2019-12-27 19:21:11,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:21:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1567 transitions. [2019-12-27 19:21:11,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 19:21:11,258 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:11,258 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:21:11,259 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:21:11,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:11,259 INFO L82 PathProgramCache]: Analyzing trace with hash 347341812, now seen corresponding path program 1 times [2019-12-27 19:21:11,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:11,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256299900] [2019-12-27 19:21:11,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 19:21:11,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256299900] [2019-12-27 19:21:11,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071625241] [2019-12-27 19:21:11,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 19:21:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:11,449 INFO L264 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-27 19:21:11,454 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 19:21:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 19:21:11,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 19:21:11,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2019-12-27 19:21:11,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2022564532] [2019-12-27 19:21:11,491 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:21:11,493 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:21:11,498 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 14 transitions. [2019-12-27 19:21:11,498 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:21:11,499 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:21:11,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 19:21:11,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:21:11,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 19:21:11,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-27 19:21:11,500 INFO L87 Difference]: Start difference. First operand 594 states and 1567 transitions. Second operand 5 states. [2019-12-27 19:21:11,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:21:11,600 INFO L93 Difference]: Finished difference Result 894 states and 2283 transitions. [2019-12-27 19:21:11,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 19:21:11,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-27 19:21:11,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:21:11,607 INFO L225 Difference]: With dead ends: 894 [2019-12-27 19:21:11,607 INFO L226 Difference]: Without dead ends: 894 [2019-12-27 19:21:11,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-27 19:21:11,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2019-12-27 19:21:11,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 728. [2019-12-27 19:21:11,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2019-12-27 19:21:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1913 transitions. [2019-12-27 19:21:11,634 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1913 transitions. Word has length 14 [2019-12-27 19:21:11,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:21:11,635 INFO L462 AbstractCegarLoop]: Abstraction has 728 states and 1913 transitions. [2019-12-27 19:21:11,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 19:21:11,635 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1913 transitions. [2019-12-27 19:21:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-27 19:21:11,642 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:11,642 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:21:11,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 19:21:11,858 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:21:11,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:11,859 INFO L82 PathProgramCache]: Analyzing trace with hash -730605431, now seen corresponding path program 1 times [2019-12-27 19:21:11,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:11,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555271094] [2019-12-27 19:21:11,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 19:21:11,951 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555271094] [2019-12-27 19:21:11,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:21:11,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 19:21:11,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [698491190] [2019-12-27 19:21:11,952 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:21:11,955 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:21:11,958 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 22 states and 25 transitions. [2019-12-27 19:21:11,958 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:21:11,962 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 19:21:11,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:21:11,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:21:11,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:21:11,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:21:11,963 INFO L87 Difference]: Start difference. First operand 728 states and 1913 transitions. Second operand 3 states. [2019-12-27 19:21:11,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:21:11,983 INFO L93 Difference]: Finished difference Result 375 states and 842 transitions. [2019-12-27 19:21:11,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:21:11,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-27 19:21:11,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:21:11,986 INFO L225 Difference]: With dead ends: 375 [2019-12-27 19:21:11,986 INFO L226 Difference]: Without dead ends: 375 [2019-12-27 19:21:11,987 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:21:11,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2019-12-27 19:21:11,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 355. [2019-12-27 19:21:11,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2019-12-27 19:21:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 792 transitions. [2019-12-27 19:21:12,000 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 792 transitions. Word has length 17 [2019-12-27 19:21:12,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:21:12,001 INFO L462 AbstractCegarLoop]: Abstraction has 355 states and 792 transitions. [2019-12-27 19:21:12,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:21:12,001 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 792 transitions. [2019-12-27 19:21:12,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 19:21:12,002 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:12,002 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:21:12,002 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:21:12,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:12,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1853705586, now seen corresponding path program 1 times [2019-12-27 19:21:12,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:12,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937296874] [2019-12-27 19:21:12,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:12,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 19:21:12,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937296874] [2019-12-27 19:21:12,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:21:12,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 19:21:12,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1292288398] [2019-12-27 19:21:12,070 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:21:12,074 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:21:12,106 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 41 states and 62 transitions. [2019-12-27 19:21:12,107 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:21:12,110 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-27 19:21:12,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 19:21:12,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:21:12,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 19:21:12,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 19:21:12,111 INFO L87 Difference]: Start difference. First operand 355 states and 792 transitions. Second operand 5 states. [2019-12-27 19:21:12,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:21:12,186 INFO L93 Difference]: Finished difference Result 486 states and 1076 transitions. [2019-12-27 19:21:12,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 19:21:12,186 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-12-27 19:21:12,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:21:12,190 INFO L225 Difference]: With dead ends: 486 [2019-12-27 19:21:12,190 INFO L226 Difference]: Without dead ends: 486 [2019-12-27 19:21:12,190 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 19:21:12,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2019-12-27 19:21:12,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 400. [2019-12-27 19:21:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2019-12-27 19:21:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 897 transitions. [2019-12-27 19:21:12,205 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 897 transitions. Word has length 18 [2019-12-27 19:21:12,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:21:12,205 INFO L462 AbstractCegarLoop]: Abstraction has 400 states and 897 transitions. [2019-12-27 19:21:12,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 19:21:12,206 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 897 transitions. [2019-12-27 19:21:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 19:21:12,207 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:12,207 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:21:12,208 INFO L410 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:21:12,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:12,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1069197491, now seen corresponding path program 1 times [2019-12-27 19:21:12,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:12,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301201082] [2019-12-27 19:21:12,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:12,482 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:464) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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:316) 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) [2019-12-27 19:21:12,488 INFO L168 Benchmark]: Toolchain (without parser) took 7563.13 ms. Allocated memory was 138.9 MB in the beginning and 287.3 MB in the end (delta: 148.4 MB). Free memory was 101.5 MB in the beginning and 214.1 MB in the end (delta: -112.6 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2019-12-27 19:21:12,493 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 19:21:12,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 924.20 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 132.6 MB in the end (delta: -31.6 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2019-12-27 19:21:12,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.99 ms. Allocated memory is still 203.4 MB. Free memory was 132.6 MB in the beginning and 129.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-12-27 19:21:12,496 INFO L168 Benchmark]: Boogie Preprocessor took 66.97 ms. Allocated memory is still 203.4 MB. Free memory was 129.9 MB in the beginning and 127.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 19:21:12,497 INFO L168 Benchmark]: RCFGBuilder took 620.89 ms. Allocated memory is still 203.4 MB. Free memory was 127.9 MB in the beginning and 95.5 MB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-12-27 19:21:12,500 INFO L168 Benchmark]: TraceAbstraction took 5881.49 ms. Allocated memory was 203.4 MB in the beginning and 287.3 MB in the end (delta: 83.9 MB). Free memory was 95.5 MB in the beginning and 214.1 MB in the end (delta: -118.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 19:21:12,511 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 924.20 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 132.6 MB in the end (delta: -31.6 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.99 ms. Allocated memory is still 203.4 MB. Free memory was 132.6 MB in the beginning and 129.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.97 ms. Allocated memory is still 203.4 MB. Free memory was 129.9 MB in the beginning and 127.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 620.89 ms. Allocated memory is still 203.4 MB. Free memory was 127.9 MB in the beginning and 95.5 MB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5881.49 ms. Allocated memory was 203.4 MB in the beginning and 287.3 MB in the end (delta: 83.9 MB). Free memory was 95.5 MB in the beginning and 214.1 MB in the end (delta: -118.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.5s, 136 ProgramPointsBefore, 40 ProgramPointsAfterwards, 140 TransitionsBefore, 41 TransitionsAfterwards, 5952 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 4 ChoiceCompositions, 3207 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 6980 CheckedPairsTotal, 114 TotalNumberOfCompositions - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...