/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-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 15:12:10,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 15:12:10,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 15:12:10,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 15:12:10,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 15:12:10,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 15:12:10,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 15:12:10,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 15:12:10,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 15:12:10,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 15:12:10,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 15:12:10,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 15:12:10,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 15:12:10,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 15:12:10,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 15:12:10,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 15:12:10,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 15:12:10,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 15:12:10,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 15:12:10,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 15:12:10,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 15:12:10,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 15:12:10,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 15:12:10,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 15:12:10,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 15:12:10,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 15:12:10,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 15:12:10,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 15:12:10,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 15:12:10,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 15:12:10,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 15:12:10,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 15:12:10,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 15:12:10,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 15:12:10,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 15:12:10,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 15:12:10,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 15:12:10,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 15:12:10,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 15:12:10,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 15:12:10,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 15:12:10,402 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-SemanticLbe-MCR.epf [2019-12-27 15:12:10,424 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 15:12:10,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 15:12:10,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 15:12:10,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 15:12:10,427 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 15:12:10,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 15:12:10,427 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 15:12:10,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 15:12:10,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 15:12:10,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 15:12:10,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 15:12:10,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 15:12:10,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 15:12:10,431 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 15:12:10,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 15:12:10,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 15:12:10,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 15:12:10,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 15:12:10,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 15:12:10,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 15:12:10,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 15:12:10,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 15:12:10,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 15:12:10,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 15:12:10,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 15:12:10,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 15:12:10,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 15:12:10,435 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 15:12:10,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 15:12:10,436 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 15:12:10,437 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 15:12:10,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 15:12:10,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 15:12:10,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 15:12:10,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 15:12:10,769 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 15:12:10,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2019-12-27 15:12:10,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b12a5be9d/b2a087a3a4c44887b37405812d60b6fb/FLAG776acb04f [2019-12-27 15:12:11,395 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 15:12:11,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2019-12-27 15:12:11,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b12a5be9d/b2a087a3a4c44887b37405812d60b6fb/FLAG776acb04f [2019-12-27 15:12:11,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b12a5be9d/b2a087a3a4c44887b37405812d60b6fb [2019-12-27 15:12:11,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 15:12:11,661 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 15:12:11,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 15:12:11,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 15:12:11,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 15:12:11,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 03:12:11" (1/1) ... [2019-12-27 15:12:11,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c8b510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:11, skipping insertion in model container [2019-12-27 15:12:11,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 03:12:11" (1/1) ... [2019-12-27 15:12:11,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 15:12:11,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 15:12:12,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 15:12:12,337 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 15:12:12,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 15:12:12,526 INFO L208 MainTranslator]: Completed translation [2019-12-27 15:12:12,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:12 WrapperNode [2019-12-27 15:12:12,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 15:12:12,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 15:12:12,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 15:12:12,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 15:12:12,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:12" (1/1) ... [2019-12-27 15:12:12,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:12" (1/1) ... [2019-12-27 15:12:12,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 15:12:12,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 15:12:12,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 15:12:12,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 15:12:12,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:12" (1/1) ... [2019-12-27 15:12:12,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:12" (1/1) ... [2019-12-27 15:12:12,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:12" (1/1) ... [2019-12-27 15:12:12,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:12" (1/1) ... [2019-12-27 15:12:12,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:12" (1/1) ... [2019-12-27 15:12:12,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:12" (1/1) ... [2019-12-27 15:12:12,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:12" (1/1) ... [2019-12-27 15:12:12,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 15:12:12,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 15:12:12,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 15:12:12,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 15:12:12,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:12" (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 15:12:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-27 15:12:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-27 15:12:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-27 15:12:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-27 15:12:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 15:12:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 15:12:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 15:12:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 15:12:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 15:12:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 15:12:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 15:12:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 15:12:12,770 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 15:12:13,320 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 15:12:13,320 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-27 15:12:13,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 03:12:13 BoogieIcfgContainer [2019-12-27 15:12:13,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 15:12:13,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 15:12:13,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 15:12:13,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 15:12:13,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 03:12:11" (1/3) ... [2019-12-27 15:12:13,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a6ab6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 03:12:13, skipping insertion in model container [2019-12-27 15:12:13,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:12" (2/3) ... [2019-12-27 15:12:13,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a6ab6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 03:12:13, skipping insertion in model container [2019-12-27 15:12:13,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 03:12:13" (3/3) ... [2019-12-27 15:12:13,331 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2019-12-27 15:12:13,341 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 15:12:13,341 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 15:12:13,349 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 15:12:13,350 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 15:12:13,387 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,400 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,400 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,401 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,401 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,401 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,402 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,402 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,402 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,402 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,403 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,403 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,403 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,403 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,404 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,404 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,404 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,404 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,404 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,405 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,405 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,405 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,405 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,406 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,406 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,406 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,406 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,406 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,406 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,406 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,407 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,407 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,407 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,407 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,408 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,408 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,408 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,408 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,408 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,409 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,409 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,409 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,409 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,410 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,410 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,410 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,410 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,410 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,410 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,411 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,411 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,411 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,412 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,412 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,412 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,412 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,412 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,413 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,413 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,413 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,413 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,413 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,415 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,415 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,415 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,415 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,415 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,416 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,416 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,416 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,416 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,417 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,417 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,417 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,417 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,417 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,418 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,418 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,418 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,418 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,418 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,419 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,419 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,419 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,419 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,419 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,420 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,420 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,420 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,420 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,421 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,421 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,421 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,421 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,421 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,422 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,422 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,422 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,422 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,423 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,423 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,423 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,423 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,423 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,424 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,424 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,424 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,424 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,425 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,425 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,425 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,425 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,425 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,426 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,426 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,426 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,426 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,430 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,430 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,430 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,430 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,431 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,431 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,431 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,431 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,431 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,432 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,432 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,432 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,432 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,432 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,432 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,433 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,433 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,433 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,433 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,433 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,434 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,439 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,440 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,440 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,440 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,440 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,441 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,441 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,441 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,441 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,441 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,442 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,442 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,442 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,442 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,442 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,443 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,443 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,443 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:13,475 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 15:12:13,495 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 15:12:13,495 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 15:12:13,495 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 15:12:13,495 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 15:12:13,495 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 15:12:13,495 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 15:12:13,496 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 15:12:13,496 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 15:12:13,510 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 133 transitions [2019-12-27 15:12:13,511 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 129 places, 133 transitions [2019-12-27 15:12:13,589 INFO L132 PetriNetUnfolder]: 10/133 cut-off events. [2019-12-27 15:12:13,589 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 15:12:13,603 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 15:12:13,616 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 129 places, 133 transitions [2019-12-27 15:12:13,668 INFO L132 PetriNetUnfolder]: 10/133 cut-off events. [2019-12-27 15:12:13,668 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 15:12:13,671 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 15:12:13,678 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5224 [2019-12-27 15:12:13,679 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 15:12:16,613 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-12-27 15:12:16,731 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-27 15:12:17,252 WARN L192 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-12-27 15:12:17,464 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-12-27 15:12:17,543 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6552 [2019-12-27 15:12:17,543 INFO L214 etLargeBlockEncoding]: Total number of compositions: 108 [2019-12-27 15:12:17,548 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 41 transitions [2019-12-27 15:12:17,574 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 354 states. [2019-12-27 15:12:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2019-12-27 15:12:17,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 15:12:17,583 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:17,584 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 15:12:17,585 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 15:12:17,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:17,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1166554520, now seen corresponding path program 1 times [2019-12-27 15:12:17,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:17,603 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345922005] [2019-12-27 15:12:17,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:17,842 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 15:12:17,843 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345922005] [2019-12-27 15:12:17,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:12:17,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 15:12:17,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1667094055] [2019-12-27 15:12:17,845 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:12:17,850 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:12:17,863 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 7 states and 6 transitions. [2019-12-27 15:12:17,864 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:12:17,872 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:12:17,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 15:12:17,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:12:17,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 15:12:17,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:12:17,898 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 3 states. [2019-12-27 15:12:17,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:12:18,000 INFO L93 Difference]: Finished difference Result 525 states and 1300 transitions. [2019-12-27 15:12:18,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 15:12:18,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 15:12:18,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:12:18,037 INFO L225 Difference]: With dead ends: 525 [2019-12-27 15:12:18,038 INFO L226 Difference]: Without dead ends: 481 [2019-12-27 15:12:18,039 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 15:12:18,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2019-12-27 15:12:18,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 441. [2019-12-27 15:12:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-12-27 15:12:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 1148 transitions. [2019-12-27 15:12:18,145 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 1148 transitions. Word has length 6 [2019-12-27 15:12:18,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:12:18,145 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 1148 transitions. [2019-12-27 15:12:18,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 15:12:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1148 transitions. [2019-12-27 15:12:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 15:12:18,147 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:18,147 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:12:18,147 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 15:12:18,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:18,148 INFO L82 PathProgramCache]: Analyzing trace with hash -742149680, now seen corresponding path program 1 times [2019-12-27 15:12:18,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:18,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673765610] [2019-12-27 15:12:18,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:18,251 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 15:12:18,251 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673765610] [2019-12-27 15:12:18,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:12:18,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 15:12:18,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [329000240] [2019-12-27 15:12:18,252 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:12:18,253 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:12:18,254 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 15:12:18,254 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:12:18,255 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:12:18,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 15:12:18,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:12:18,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 15:12:18,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:12:18,257 INFO L87 Difference]: Start difference. First operand 441 states and 1148 transitions. Second operand 3 states. [2019-12-27 15:12:18,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:12:18,271 INFO L93 Difference]: Finished difference Result 487 states and 1263 transitions. [2019-12-27 15:12:18,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 15:12:18,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 15:12:18,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:12:18,276 INFO L225 Difference]: With dead ends: 487 [2019-12-27 15:12:18,276 INFO L226 Difference]: Without dead ends: 487 [2019-12-27 15:12:18,277 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 15:12:18,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-12-27 15:12:18,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2019-12-27 15:12:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2019-12-27 15:12:18,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 1263 transitions. [2019-12-27 15:12:18,302 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 1263 transitions. Word has length 10 [2019-12-27 15:12:18,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:12:18,303 INFO L462 AbstractCegarLoop]: Abstraction has 487 states and 1263 transitions. [2019-12-27 15:12:18,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 15:12:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1263 transitions. [2019-12-27 15:12:18,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 15:12:18,305 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:18,305 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:12:18,305 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 15:12:18,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:18,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1111979449, now seen corresponding path program 1 times [2019-12-27 15:12:18,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:18,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293987642] [2019-12-27 15:12:18,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:18,449 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 15:12:18,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293987642] [2019-12-27 15:12:18,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775701528] [2019-12-27 15:12:18,449 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 15:12:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:18,533 INFO L264 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-27 15:12:18,538 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 15:12:18,564 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 15:12:18,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 15:12:18,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2019-12-27 15:12:18,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1611473441] [2019-12-27 15:12:18,566 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:12:18,572 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:12:18,575 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 13 transitions. [2019-12-27 15:12:18,575 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:12:18,575 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:12:18,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 15:12:18,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:12:18,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 15:12:18,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-27 15:12:18,599 INFO L87 Difference]: Start difference. First operand 487 states and 1263 transitions. Second operand 5 states. [2019-12-27 15:12:18,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:12:18,697 INFO L93 Difference]: Finished difference Result 821 states and 2063 transitions. [2019-12-27 15:12:18,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 15:12:18,697 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-12-27 15:12:18,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:12:18,703 INFO L225 Difference]: With dead ends: 821 [2019-12-27 15:12:18,704 INFO L226 Difference]: Without dead ends: 821 [2019-12-27 15:12:18,704 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 15:12:18,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2019-12-27 15:12:18,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 623. [2019-12-27 15:12:18,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-12-27 15:12:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 1633 transitions. [2019-12-27 15:12:18,730 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 1633 transitions. Word has length 13 [2019-12-27 15:12:18,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:12:18,731 INFO L462 AbstractCegarLoop]: Abstraction has 623 states and 1633 transitions. [2019-12-27 15:12:18,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 15:12:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1633 transitions. [2019-12-27 15:12:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 15:12:18,734 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:18,734 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:12:18,939 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 15:12:18,939 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 15:12:18,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:18,940 INFO L82 PathProgramCache]: Analyzing trace with hash -983479878, now seen corresponding path program 1 times [2019-12-27 15:12:18,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:18,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464905744] [2019-12-27 15:12:18,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:19,032 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 15:12:19,033 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464905744] [2019-12-27 15:12:19,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:12:19,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 15:12:19,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [829328069] [2019-12-27 15:12:19,034 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:12:19,036 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:12:19,043 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 62 transitions. [2019-12-27 15:12:19,043 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:12:19,086 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 6 times. [2019-12-27 15:12:19,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 15:12:19,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:12:19,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 15:12:19,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 15:12:19,088 INFO L87 Difference]: Start difference. First operand 623 states and 1633 transitions. Second operand 6 states. [2019-12-27 15:12:19,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:12:19,275 INFO L93 Difference]: Finished difference Result 472 states and 1037 transitions. [2019-12-27 15:12:19,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 15:12:19,276 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-12-27 15:12:19,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:12:19,279 INFO L225 Difference]: With dead ends: 472 [2019-12-27 15:12:19,279 INFO L226 Difference]: Without dead ends: 424 [2019-12-27 15:12:19,279 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 15:12:19,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2019-12-27 15:12:19,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 358. [2019-12-27 15:12:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2019-12-27 15:12:19,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 790 transitions. [2019-12-27 15:12:19,290 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 790 transitions. Word has length 16 [2019-12-27 15:12:19,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:12:19,290 INFO L462 AbstractCegarLoop]: Abstraction has 358 states and 790 transitions. [2019-12-27 15:12:19,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 15:12:19,291 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 790 transitions. [2019-12-27 15:12:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-27 15:12:19,292 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:19,292 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 15:12:19,293 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 15:12:19,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:19,293 INFO L82 PathProgramCache]: Analyzing trace with hash 555876570, now seen corresponding path program 1 times [2019-12-27 15:12:19,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:19,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321382390] [2019-12-27 15:12:19,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:19,345 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 15:12:19,346 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321382390] [2019-12-27 15:12:19,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:12:19,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 15:12:19,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1882687792] [2019-12-27 15:12:19,346 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:12:19,348 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:12:19,354 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 57 transitions. [2019-12-27 15:12:19,354 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:12:19,355 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:12:19,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 15:12:19,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:12:19,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 15:12:19,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:12:19,356 INFO L87 Difference]: Start difference. First operand 358 states and 790 transitions. Second operand 3 states. [2019-12-27 15:12:19,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:12:19,388 INFO L93 Difference]: Finished difference Result 342 states and 741 transitions. [2019-12-27 15:12:19,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 15:12:19,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-27 15:12:19,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:12:19,391 INFO L225 Difference]: With dead ends: 342 [2019-12-27 15:12:19,391 INFO L226 Difference]: Without dead ends: 335 [2019-12-27 15:12:19,392 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 15:12:19,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2019-12-27 15:12:19,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2019-12-27 15:12:19,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2019-12-27 15:12:19,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 727 transitions. [2019-12-27 15:12:19,402 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 727 transitions. Word has length 17 [2019-12-27 15:12:19,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:12:19,403 INFO L462 AbstractCegarLoop]: Abstraction has 335 states and 727 transitions. [2019-12-27 15:12:19,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 15:12:19,404 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 727 transitions. [2019-12-27 15:12:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-27 15:12:19,405 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:19,405 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-12-27 15:12:19,405 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 15:12:19,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:19,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1792056648, now seen corresponding path program 2 times [2019-12-27 15:12:19,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:19,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872897184] [2019-12-27 15:12:19,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:19,480 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 15:12:19,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872897184] [2019-12-27 15:12:19,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275059654] [2019-12-27 15:12:19,481 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 15:12:19,567 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-27 15:12:19,568 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-27 15:12:19,569 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-27 15:12:19,570 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 15:12:19,589 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 15:12:19,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 15:12:19,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2019-12-27 15:12:19,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [940423412] [2019-12-27 15:12:19,590 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:12:19,592 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:12:19,596 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 21 states and 20 transitions. [2019-12-27 15:12:19,596 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:12:19,596 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:12:19,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 15:12:19,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:12:19,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 15:12:19,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-27 15:12:19,598 INFO L87 Difference]: Start difference. First operand 335 states and 727 transitions. Second operand 7 states. [2019-12-27 15:12:19,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:12:19,678 INFO L93 Difference]: Finished difference Result 536 states and 1154 transitions. [2019-12-27 15:12:19,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 15:12:19,679 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-12-27 15:12:19,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:12:19,682 INFO L225 Difference]: With dead ends: 536 [2019-12-27 15:12:19,682 INFO L226 Difference]: Without dead ends: 536 [2019-12-27 15:12:19,683 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 15:12:19,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-12-27 15:12:19,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 412. [2019-12-27 15:12:19,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2019-12-27 15:12:19,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 896 transitions. [2019-12-27 15:12:19,698 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 896 transitions. Word has length 20 [2019-12-27 15:12:19,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:12:19,698 INFO L462 AbstractCegarLoop]: Abstraction has 412 states and 896 transitions. [2019-12-27 15:12:19,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 15:12:19,699 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 896 transitions. [2019-12-27 15:12:19,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 15:12:19,700 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:19,700 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 15:12:19,904 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 15:12:19,905 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 15:12:19,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:19,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1026311033, now seen corresponding path program 1 times [2019-12-27 15:12:19,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:19,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145607623] [2019-12-27 15:12:19,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:20,150 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 15:12:20,154 INFO L168 Benchmark]: Toolchain (without parser) took 8493.38 ms. Allocated memory was 139.5 MB in the beginning and 305.1 MB in the end (delta: 165.7 MB). Free memory was 103.2 MB in the beginning and 269.1 MB in the end (delta: -165.9 MB). Peak memory consumption was 159.2 MB. Max. memory is 7.1 GB. [2019-12-27 15:12:20,155 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 15:12:20,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.68 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 102.8 MB in the beginning and 133.7 MB in the end (delta: -31.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2019-12-27 15:12:20,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.83 ms. Allocated memory is still 202.4 MB. Free memory was 133.7 MB in the beginning and 131.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-27 15:12:20,162 INFO L168 Benchmark]: Boogie Preprocessor took 87.22 ms. Allocated memory is still 202.4 MB. Free memory was 131.0 MB in the beginning and 129.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 15:12:20,162 INFO L168 Benchmark]: RCFGBuilder took 639.66 ms. Allocated memory is still 202.4 MB. Free memory was 129.1 MB in the beginning and 97.1 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2019-12-27 15:12:20,163 INFO L168 Benchmark]: TraceAbstraction took 6829.40 ms. Allocated memory was 202.4 MB in the beginning and 305.1 MB in the end (delta: 102.8 MB). Free memory was 97.1 MB in the beginning and 269.1 MB in the end (delta: -172.0 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. [2019-12-27 15:12:20,174 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 865.68 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 102.8 MB in the beginning and 133.7 MB in the end (delta: -31.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.83 ms. Allocated memory is still 202.4 MB. Free memory was 133.7 MB in the beginning and 131.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.22 ms. Allocated memory is still 202.4 MB. Free memory was 131.0 MB in the beginning and 129.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 639.66 ms. Allocated memory is still 202.4 MB. Free memory was 129.1 MB in the beginning and 97.1 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6829.40 ms. Allocated memory was 202.4 MB in the beginning and 305.1 MB in the end (delta: 102.8 MB). Free memory was 97.1 MB in the beginning and 269.1 MB in the end (delta: -172.0 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.0s, 129 ProgramPointsBefore, 40 ProgramPointsAfterwards, 133 TransitionsBefore, 41 TransitionsAfterwards, 5224 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 63 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 4 ChoiceCompositions, 2991 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 21 SemBasedMoverChecksPositive, 62 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 6552 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...