/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_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 19:21:13,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 19:21:13,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 19:21:13,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 19:21:13,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 19:21:13,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 19:21:13,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 19:21:13,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 19:21:13,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 19:21:13,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 19:21:13,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 19:21:13,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 19:21:13,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 19:21:13,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 19:21:13,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 19:21:13,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 19:21:13,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 19:21:13,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 19:21:13,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 19:21:13,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 19:21:13,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 19:21:13,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 19:21:13,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 19:21:13,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 19:21:13,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 19:21:13,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 19:21:13,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 19:21:13,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 19:21:13,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 19:21:13,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 19:21:13,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 19:21:13,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 19:21:13,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 19:21:13,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 19:21:13,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 19:21:13,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 19:21:13,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 19:21:13,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 19:21:13,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 19:21:13,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 19:21:13,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 19:21:13,590 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 19:21:13,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 19:21:13,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 19:21:13,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 19:21:13,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 19:21:13,606 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 19:21:13,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 19:21:13,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 19:21:13,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 19:21:13,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 19:21:13,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 19:21:13,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 19:21:13,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 19:21:13,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 19:21:13,608 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 19:21:13,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 19:21:13,608 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 19:21:13,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 19:21:13,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 19:21:13,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 19:21:13,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 19:21:13,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 19:21:13,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 19:21:13,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 19:21:13,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 19:21:13,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 19:21:13,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 19:21:13,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 19:21:13,611 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 19:21:13,611 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 19:21:13,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 19:21:13,611 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 19:21:13,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 19:21:13,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 19:21:13,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 19:21:13,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 19:21:13,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 19:21:13,907 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 19:21:13,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2019-12-27 19:21:13,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c39f342e/a7fac90ecd224cb6bd7353aea6f2ffac/FLAG21895faa7 [2019-12-27 19:21:14,605 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 19:21:14,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i [2019-12-27 19:21:14,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c39f342e/a7fac90ecd224cb6bd7353aea6f2ffac/FLAG21895faa7 [2019-12-27 19:21:14,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c39f342e/a7fac90ecd224cb6bd7353aea6f2ffac [2019-12-27 19:21:14,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 19:21:14,827 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 19:21:14,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 19:21:14,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 19:21:14,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 19:21:14,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 07:21:14" (1/1) ... [2019-12-27 19:21:14,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad32b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:14, skipping insertion in model container [2019-12-27 19:21:14,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 07:21:14" (1/1) ... [2019-12-27 19:21:14,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 19:21:14,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 19:21:15,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 19:21:15,434 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 19:21:15,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 19:21:15,656 INFO L208 MainTranslator]: Completed translation [2019-12-27 19:21:15,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:15 WrapperNode [2019-12-27 19:21:15,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 19:21:15,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 19:21:15,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 19:21:15,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 19:21:15,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:15" (1/1) ... [2019-12-27 19:21:15,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:15" (1/1) ... [2019-12-27 19:21:15,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 19:21:15,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 19:21:15,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 19:21:15,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 19:21:15,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:15" (1/1) ... [2019-12-27 19:21:15,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:15" (1/1) ... [2019-12-27 19:21:15,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:15" (1/1) ... [2019-12-27 19:21:15,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:15" (1/1) ... [2019-12-27 19:21:15,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:15" (1/1) ... [2019-12-27 19:21:15,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:15" (1/1) ... [2019-12-27 19:21:15,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:15" (1/1) ... [2019-12-27 19:21:15,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 19:21:15,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 19:21:15,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 19:21:15,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 19:21:15,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:15" (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 19:21:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-27 19:21:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-27 19:21:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-27 19:21:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-27 19:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 19:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 19:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 19:21:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 19:21:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 19:21:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 19:21:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 19:21:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 19:21:15,851 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 19:21:16,390 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 19:21:16,390 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-27 19:21:16,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 07:21:16 BoogieIcfgContainer [2019-12-27 19:21:16,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 19:21:16,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 19:21:16,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 19:21:16,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 19:21:16,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 07:21:14" (1/3) ... [2019-12-27 19:21:16,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f2845e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 07:21:16, skipping insertion in model container [2019-12-27 19:21:16,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:21:15" (2/3) ... [2019-12-27 19:21:16,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f2845e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 07:21:16, skipping insertion in model container [2019-12-27 19:21:16,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 07:21:16" (3/3) ... [2019-12-27 19:21:16,401 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2019-12-27 19:21:16,411 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 19:21:16,412 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 19:21:16,419 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 19:21:16,420 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 19:21:16,454 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,454 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,455 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,455 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,455 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,456 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,456 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,456 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,456 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,457 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,457 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,458 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,458 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,458 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,458 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,459 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,459 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,459 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,459 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,460 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,460 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,460 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,460 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,461 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,461 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,461 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,461 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,462 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,462 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,462 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,476 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,476 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,477 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,477 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,477 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,477 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,478 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,480 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,481 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,481 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,481 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,482 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,482 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,482 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,483 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,483 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,483 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,483 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,484 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,484 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,484 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,484 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,485 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,485 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,485 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,485 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,486 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,486 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,486 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,486 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,487 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,487 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,488 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,488 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,488 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,488 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,488 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,490 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,490 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,490 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,491 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,491 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,491 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,491 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,492 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,492 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,492 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,492 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,492 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,493 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,493 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,494 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,494 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,494 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,495 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,495 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,496 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,496 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,496 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,496 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,497 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,497 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,498 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,498 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,498 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,499 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,499 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,499 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,499 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,500 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,500 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,504 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,504 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,504 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,505 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,512 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,513 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,513 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,513 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,513 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,513 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,514 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,515 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,515 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,515 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,515 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,515 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,521 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,522 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,522 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,522 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,522 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,522 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,523 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,523 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,523 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,523 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,523 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,524 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,524 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,524 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,524 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,524 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,524 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,525 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,525 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,525 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,525 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,535 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,536 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,536 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,536 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,536 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,536 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,536 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,537 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,537 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,537 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,537 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,537 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,538 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,538 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,538 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,538 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,538 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,539 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:21:16,564 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 19:21:16,583 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 19:21:16,583 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 19:21:16,583 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 19:21:16,583 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 19:21:16,584 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 19:21:16,584 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 19:21:16,584 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 19:21:16,584 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 19:21:16,599 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 133 transitions [2019-12-27 19:21:16,601 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 129 places, 133 transitions [2019-12-27 19:21:16,683 INFO L132 PetriNetUnfolder]: 10/133 cut-off events. [2019-12-27 19:21:16,683 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 19:21:16,694 INFO L76 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 133 events. 10/133 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 335 event pairs. 0/122 useless extension candidates. Maximal degree in co-relation 101. Up to 3 conditions per place. [2019-12-27 19:21:16,705 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 129 places, 133 transitions [2019-12-27 19:21:16,763 INFO L132 PetriNetUnfolder]: 10/133 cut-off events. [2019-12-27 19:21:16,763 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 19:21:16,767 INFO L76 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 133 events. 10/133 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 335 event pairs. 0/122 useless extension candidates. Maximal degree in co-relation 101. Up to 3 conditions per place. [2019-12-27 19:21:16,778 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5224 [2019-12-27 19:21:16,779 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 19:21:18,259 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-12-27 19:21:19,273 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-12-27 19:21:19,402 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-27 19:21:19,915 WARN L192 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-12-27 19:21:20,133 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-12-27 19:21:20,145 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6637 [2019-12-27 19:21:20,145 INFO L214 etLargeBlockEncoding]: Total number of compositions: 108 [2019-12-27 19:21:20,148 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 41 transitions [2019-12-27 19:21:20,176 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 354 states. [2019-12-27 19:21:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2019-12-27 19:21:20,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 19:21:20,186 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:20,186 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 19:21:20,187 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 19:21:20,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:20,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1166554520, now seen corresponding path program 1 times [2019-12-27 19:21:20,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:20,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848138742] [2019-12-27 19:21:20,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:20,428 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 19:21:20,429 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848138742] [2019-12-27 19:21:20,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:21:20,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 19:21:20,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1170750620] [2019-12-27 19:21:20,432 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:21:20,436 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:21:20,451 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 7 states and 6 transitions. [2019-12-27 19:21:20,451 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:21:20,456 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:21:20,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:21:20,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:21:20,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:21:20,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:21:20,472 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 3 states. [2019-12-27 19:21:20,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:21:20,604 INFO L93 Difference]: Finished difference Result 525 states and 1300 transitions. [2019-12-27 19:21:20,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:21:20,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 19:21:20,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:21:20,650 INFO L225 Difference]: With dead ends: 525 [2019-12-27 19:21:20,650 INFO L226 Difference]: Without dead ends: 481 [2019-12-27 19:21:20,652 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 19:21:20,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2019-12-27 19:21:20,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 441. [2019-12-27 19:21:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-12-27 19:21:20,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 1148 transitions. [2019-12-27 19:21:20,745 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 1148 transitions. Word has length 6 [2019-12-27 19:21:20,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:21:20,745 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 1148 transitions. [2019-12-27 19:21:20,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:21:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1148 transitions. [2019-12-27 19:21:20,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 19:21:20,747 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:20,747 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:21:20,748 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 19:21:20,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:20,748 INFO L82 PathProgramCache]: Analyzing trace with hash -742149680, now seen corresponding path program 1 times [2019-12-27 19:21:20,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:20,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154372881] [2019-12-27 19:21:20,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:20,825 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 19:21:20,825 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154372881] [2019-12-27 19:21:20,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:21:20,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 19:21:20,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1700914040] [2019-12-27 19:21:20,826 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:21:20,827 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:21:20,829 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 19:21:20,829 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:21:20,829 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:21:20,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:21:20,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:21:20,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:21:20,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:21:20,831 INFO L87 Difference]: Start difference. First operand 441 states and 1148 transitions. Second operand 3 states. [2019-12-27 19:21:20,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:21:20,847 INFO L93 Difference]: Finished difference Result 487 states and 1263 transitions. [2019-12-27 19:21:20,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:21:20,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 19:21:20,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:21:20,853 INFO L225 Difference]: With dead ends: 487 [2019-12-27 19:21:20,853 INFO L226 Difference]: Without dead ends: 487 [2019-12-27 19:21:20,854 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 19:21:20,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-12-27 19:21:20,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2019-12-27 19:21:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2019-12-27 19:21:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 1263 transitions. [2019-12-27 19:21:20,885 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 1263 transitions. Word has length 10 [2019-12-27 19:21:20,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:21:20,885 INFO L462 AbstractCegarLoop]: Abstraction has 487 states and 1263 transitions. [2019-12-27 19:21:20,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:21:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1263 transitions. [2019-12-27 19:21:20,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 19:21:20,887 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:20,887 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:21:20,888 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 19:21:20,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:20,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1111979449, now seen corresponding path program 1 times [2019-12-27 19:21:20,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:20,889 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909445136] [2019-12-27 19:21:20,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:20,975 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 19:21:20,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909445136] [2019-12-27 19:21:20,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646770037] [2019-12-27 19:21:20,976 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 19:21:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:21,061 INFO L264 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-27 19:21:21,066 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 19:21:21,097 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 19:21:21,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 19:21:21,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2019-12-27 19:21:21,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [138259518] [2019-12-27 19:21:21,098 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:21:21,101 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:21:21,104 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 13 transitions. [2019-12-27 19:21:21,104 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:21:21,105 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:21:21,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 19:21:21,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:21:21,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 19:21:21,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-27 19:21:21,108 INFO L87 Difference]: Start difference. First operand 487 states and 1263 transitions. Second operand 5 states. [2019-12-27 19:21:21,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:21:21,213 INFO L93 Difference]: Finished difference Result 821 states and 2063 transitions. [2019-12-27 19:21:21,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 19:21:21,214 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-12-27 19:21:21,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:21:21,220 INFO L225 Difference]: With dead ends: 821 [2019-12-27 19:21:21,220 INFO L226 Difference]: Without dead ends: 821 [2019-12-27 19:21:21,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 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 19:21:21,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2019-12-27 19:21:21,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 623. [2019-12-27 19:21:21,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-12-27 19:21:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 1633 transitions. [2019-12-27 19:21:21,251 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 1633 transitions. Word has length 13 [2019-12-27 19:21:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:21:21,252 INFO L462 AbstractCegarLoop]: Abstraction has 623 states and 1633 transitions. [2019-12-27 19:21:21,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 19:21:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1633 transitions. [2019-12-27 19:21:21,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 19:21:21,255 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:21,255 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:21:21,458 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 19:21:21,459 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 19:21:21,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:21,460 INFO L82 PathProgramCache]: Analyzing trace with hash -983479878, now seen corresponding path program 1 times [2019-12-27 19:21:21,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:21,461 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246845107] [2019-12-27 19:21:21,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:21,548 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 19:21:21,549 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246845107] [2019-12-27 19:21:21,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:21:21,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 19:21:21,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1098866519] [2019-12-27 19:21:21,550 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:21:21,554 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:21:21,559 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 62 transitions. [2019-12-27 19:21:21,560 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:21:21,592 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 6 times. [2019-12-27 19:21:21,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 19:21:21,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:21:21,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 19:21:21,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 19:21:21,594 INFO L87 Difference]: Start difference. First operand 623 states and 1633 transitions. Second operand 6 states. [2019-12-27 19:21:21,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:21:21,789 INFO L93 Difference]: Finished difference Result 472 states and 1037 transitions. [2019-12-27 19:21:21,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 19:21:21,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-12-27 19:21:21,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:21:21,793 INFO L225 Difference]: With dead ends: 472 [2019-12-27 19:21:21,794 INFO L226 Difference]: Without dead ends: 424 [2019-12-27 19:21:21,794 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-12-27 19:21:21,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2019-12-27 19:21:21,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 358. [2019-12-27 19:21:21,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2019-12-27 19:21:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 790 transitions. [2019-12-27 19:21:21,816 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 790 transitions. Word has length 16 [2019-12-27 19:21:21,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:21:21,817 INFO L462 AbstractCegarLoop]: Abstraction has 358 states and 790 transitions. [2019-12-27 19:21:21,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 19:21:21,818 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 790 transitions. [2019-12-27 19:21:21,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-27 19:21:21,828 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:21,828 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 19:21:21,828 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 19:21:21,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:21,829 INFO L82 PathProgramCache]: Analyzing trace with hash 555876570, now seen corresponding path program 1 times [2019-12-27 19:21:21,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:21,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255630014] [2019-12-27 19:21:21,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:21,970 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 19:21:21,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255630014] [2019-12-27 19:21:21,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:21:21,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 19:21:21,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [267843657] [2019-12-27 19:21:21,976 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:21:21,978 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:21:21,985 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 57 transitions. [2019-12-27 19:21:21,986 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:21:21,986 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:21:21,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:21:21,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:21:21,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:21:21,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:21:21,989 INFO L87 Difference]: Start difference. First operand 358 states and 790 transitions. Second operand 3 states. [2019-12-27 19:21:22,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:21:22,025 INFO L93 Difference]: Finished difference Result 342 states and 741 transitions. [2019-12-27 19:21:22,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:21:22,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-27 19:21:22,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:21:22,029 INFO L225 Difference]: With dead ends: 342 [2019-12-27 19:21:22,029 INFO L226 Difference]: Without dead ends: 335 [2019-12-27 19:21:22,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:21:22,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2019-12-27 19:21:22,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2019-12-27 19:21:22,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2019-12-27 19:21:22,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 727 transitions. [2019-12-27 19:21:22,040 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 727 transitions. Word has length 17 [2019-12-27 19:21:22,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:21:22,041 INFO L462 AbstractCegarLoop]: Abstraction has 335 states and 727 transitions. [2019-12-27 19:21:22,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:21:22,041 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 727 transitions. [2019-12-27 19:21:22,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-27 19:21:22,042 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:22,042 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-12-27 19:21:22,043 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 19:21:22,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:22,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1792056648, now seen corresponding path program 2 times [2019-12-27 19:21:22,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:22,044 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021730949] [2019-12-27 19:21:22,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:22,175 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 19:21:22,175 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021730949] [2019-12-27 19:21:22,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134335861] [2019-12-27 19:21:22,177 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 19:21:22,259 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-27 19:21:22,259 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-27 19:21:22,261 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-27 19:21:22,264 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 19:21:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 19:21:22,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 19:21:22,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2019-12-27 19:21:22,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1377686790] [2019-12-27 19:21:22,287 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:21:22,289 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:21:22,292 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 21 states and 20 transitions. [2019-12-27 19:21:22,292 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:21:22,293 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:21:22,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 19:21:22,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:21:22,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 19:21:22,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-27 19:21:22,294 INFO L87 Difference]: Start difference. First operand 335 states and 727 transitions. Second operand 7 states. [2019-12-27 19:21:22,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:21:22,380 INFO L93 Difference]: Finished difference Result 536 states and 1154 transitions. [2019-12-27 19:21:22,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 19:21:22,381 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-12-27 19:21:22,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:21:22,384 INFO L225 Difference]: With dead ends: 536 [2019-12-27 19:21:22,385 INFO L226 Difference]: Without dead ends: 536 [2019-12-27 19:21:22,385 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-27 19:21:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-12-27 19:21:22,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 412. [2019-12-27 19:21:22,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2019-12-27 19:21:22,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 896 transitions. [2019-12-27 19:21:22,401 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 896 transitions. Word has length 20 [2019-12-27 19:21:22,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:21:22,401 INFO L462 AbstractCegarLoop]: Abstraction has 412 states and 896 transitions. [2019-12-27 19:21:22,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 19:21:22,402 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 896 transitions. [2019-12-27 19:21:22,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 19:21:22,403 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:21:22,403 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] [2019-12-27 19:21:22,612 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 19:21:22,613 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 19:21:22,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:21:22,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1026311033, now seen corresponding path program 1 times [2019-12-27 19:21:22,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:21:22,614 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386433341] [2019-12-27 19:21:22,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:21:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:21:22,760 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 19:21:22,766 INFO L168 Benchmark]: Toolchain (without parser) took 7937.36 ms. Allocated memory was 145.2 MB in the beginning and 287.8 MB in the end (delta: 142.6 MB). Free memory was 102.2 MB in the beginning and 166.9 MB in the end (delta: -64.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. [2019-12-27 19:21:22,767 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 19:21:22,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.38 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 134.3 MB in the end (delta: -32.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-12-27 19:21:22,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.36 ms. Allocated memory is still 203.4 MB. Free memory was 134.3 MB in the beginning and 131.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-27 19:21:22,770 INFO L168 Benchmark]: Boogie Preprocessor took 56.05 ms. Allocated memory is still 203.4 MB. Free memory was 131.7 MB in the beginning and 129.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 19:21:22,775 INFO L168 Benchmark]: RCFGBuilder took 612.91 ms. Allocated memory is still 203.4 MB. Free memory was 129.7 MB in the beginning and 98.2 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2019-12-27 19:21:22,776 INFO L168 Benchmark]: TraceAbstraction took 6369.08 ms. Allocated memory was 203.4 MB in the beginning and 287.8 MB in the end (delta: 84.4 MB). Free memory was 98.2 MB in the beginning and 166.9 MB in the end (delta: -68.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-12-27 19:21:22,782 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 828.38 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 134.3 MB in the end (delta: -32.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.36 ms. Allocated memory is still 203.4 MB. Free memory was 134.3 MB in the beginning and 131.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.05 ms. Allocated memory is still 203.4 MB. Free memory was 131.7 MB in the beginning and 129.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 612.91 ms. Allocated memory is still 203.4 MB. Free memory was 129.7 MB in the beginning and 98.2 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6369.08 ms. Allocated memory was 203.4 MB in the beginning and 287.8 MB in the end (delta: 84.4 MB). Free memory was 98.2 MB in the beginning and 166.9 MB in the end (delta: -68.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.5s, 129 ProgramPointsBefore, 40 ProgramPointsAfterwards, 133 TransitionsBefore, 41 TransitionsAfterwards, 5224 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 63 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 4 ChoiceCompositions, 2939 VarBasedMoverChecksPositive, 48 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 6637 CheckedPairsTotal, 108 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...