/usr/bin/java -Xmx16000000000 -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.epf -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 20:20:01,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 20:20:01,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 20:20:01,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 20:20:01,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 20:20:01,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 20:20:01,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 20:20:01,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 20:20:01,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 20:20:01,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 20:20:01,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 20:20:01,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 20:20:01,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 20:20:01,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 20:20:01,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 20:20:01,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 20:20:01,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 20:20:01,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 20:20:01,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 20:20:01,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 20:20:01,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 20:20:01,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 20:20:01,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 20:20:01,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 20:20:01,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 20:20:01,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 20:20:01,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 20:20:01,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 20:20:01,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 20:20:01,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 20:20:01,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 20:20:01,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 20:20:01,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 20:20:01,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 20:20:01,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 20:20:01,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 20:20:01,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 20:20:01,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 20:20:01,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 20:20:01,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 20:20:01,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 20:20:01,486 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.epf [2020-10-15 20:20:01,509 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 20:20:01,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 20:20:01,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 20:20:01,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 20:20:01,511 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 20:20:01,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 20:20:01,511 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 20:20:01,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 20:20:01,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 20:20:01,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 20:20:01,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 20:20:01,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 20:20:01,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 20:20:01,513 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 20:20:01,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 20:20:01,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 20:20:01,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 20:20:01,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 20:20:01,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 20:20:01,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 20:20:01,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 20:20:01,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 20:20:01,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 20:20:01,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 20:20:01,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 20:20:01,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 20:20:01,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 20:20:01,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 20:20:01,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 20:20:01,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 20:20:01,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 20:20:01,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 20:20:01,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 20:20:01,825 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 20:20:01,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2020-10-15 20:20:01,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a8817435/c66e525ea3134434a0f04055ede70cb6/FLAG843241c62 [2020-10-15 20:20:02,447 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 20:20:02,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2020-10-15 20:20:02,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a8817435/c66e525ea3134434a0f04055ede70cb6/FLAG843241c62 [2020-10-15 20:20:02,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a8817435/c66e525ea3134434a0f04055ede70cb6 [2020-10-15 20:20:02,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 20:20:02,782 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 20:20:02,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 20:20:02,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 20:20:02,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 20:20:02,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:20:02" (1/1) ... [2020-10-15 20:20:02,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8eb22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:02, skipping insertion in model container [2020-10-15 20:20:02,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:20:02" (1/1) ... [2020-10-15 20:20:02,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 20:20:02,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 20:20:03,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:20:03,459 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 20:20:03,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:20:03,742 INFO L208 MainTranslator]: Completed translation [2020-10-15 20:20:03,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:03 WrapperNode [2020-10-15 20:20:03,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 20:20:03,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 20:20:03,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 20:20:03,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 20:20:03,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:03" (1/1) ... [2020-10-15 20:20:03,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:03" (1/1) ... [2020-10-15 20:20:03,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 20:20:03,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 20:20:03,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 20:20:03,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 20:20:03,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:03" (1/1) ... [2020-10-15 20:20:03,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:03" (1/1) ... [2020-10-15 20:20:03,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:03" (1/1) ... [2020-10-15 20:20:03,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:03" (1/1) ... [2020-10-15 20:20:03,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:03" (1/1) ... [2020-10-15 20:20:03,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:03" (1/1) ... [2020-10-15 20:20:03,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:03" (1/1) ... [2020-10-15 20:20:03,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 20:20:03,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 20:20:03,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 20:20:03,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 20:20:03,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:03" (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 [2020-10-15 20:20:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 20:20:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 20:20:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 20:20:03,955 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 20:20:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 20:20:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 20:20:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 20:20:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 20:20:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 20:20:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 20:20:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 20:20:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 20:20:03,961 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 20:20:04,454 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 20:20:04,454 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-15 20:20:04,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:20:04 BoogieIcfgContainer [2020-10-15 20:20:04,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 20:20:04,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 20:20:04,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 20:20:04,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 20:20:04,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:20:02" (1/3) ... [2020-10-15 20:20:04,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7874ac43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:20:04, skipping insertion in model container [2020-10-15 20:20:04,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:03" (2/3) ... [2020-10-15 20:20:04,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7874ac43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:20:04, skipping insertion in model container [2020-10-15 20:20:04,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:20:04" (3/3) ... [2020-10-15 20:20:04,466 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2020-10-15 20:20:04,479 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 20:20:04,479 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 20:20:04,487 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 20:20:04,488 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 20:20:04,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,533 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,533 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,534 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,534 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,535 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,535 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,535 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,536 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,537 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,537 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,538 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,538 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,538 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,538 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,539 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,540 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,540 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,540 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,540 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,542 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,542 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,542 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,542 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,543 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,543 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,543 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,543 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,544 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,544 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,547 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,547 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,548 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,548 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,548 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,548 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,549 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,549 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,549 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,549 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,550 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,550 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,550 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,550 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,551 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,551 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,551 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,551 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,552 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,552 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,552 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,552 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,552 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,553 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,553 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,553 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,553 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,554 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,554 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,554 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,556 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,556 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,556 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,559 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,559 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,559 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,559 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,564 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,564 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,565 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,565 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,565 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,565 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,566 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,566 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,566 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,566 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,566 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,567 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,567 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,567 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,567 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,568 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,568 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,568 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,568 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,568 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,569 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,569 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,569 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,576 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,576 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,577 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,577 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,577 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,577 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,577 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,578 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,578 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,578 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,578 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,579 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,579 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,579 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,579 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,580 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,580 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,580 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:04,603 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 20:20:04,625 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 20:20:04,625 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 20:20:04,626 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 20:20:04,626 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 20:20:04,626 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 20:20:04,626 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 20:20:04,626 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 20:20:04,626 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 20:20:04,643 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 20:20:04,646 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 138 transitions, 298 flow [2020-10-15 20:20:04,649 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 138 transitions, 298 flow [2020-10-15 20:20:04,651 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 138 transitions, 298 flow [2020-10-15 20:20:04,740 INFO L129 PetriNetUnfolder]: 11/138 cut-off events. [2020-10-15 20:20:04,740 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 20:20:04,748 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 11/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 342 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2020-10-15 20:20:04,756 INFO L117 LiptonReduction]: Number of co-enabled transitions 5744 [2020-10-15 20:20:08,004 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-10-15 20:20:08,193 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 20:20:08,622 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 20:20:08,835 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 20:20:08,846 INFO L132 LiptonReduction]: Checked pairs total: 10440 [2020-10-15 20:20:08,846 INFO L134 LiptonReduction]: Total number of compositions: 123 [2020-10-15 20:20:08,853 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-10-15 20:20:08,878 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 331 states. [2020-10-15 20:20:08,880 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-10-15 20:20:08,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-15 20:20:08,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:08,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-15 20:20:08,889 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:08,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:08,894 INFO L82 PathProgramCache]: Analyzing trace with hash -290275557, now seen corresponding path program 1 times [2020-10-15 20:20:08,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:08,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560787474] [2020-10-15 20:20:08,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:09,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:09,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560787474] [2020-10-15 20:20:09,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:09,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:20:09,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136124837] [2020-10-15 20:20:09,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:20:09,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:09,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:20:09,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:20:09,121 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states. [2020-10-15 20:20:09,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:09,209 INFO L93 Difference]: Finished difference Result 504 states and 1247 transitions. [2020-10-15 20:20:09,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:20:09,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-15 20:20:09,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:09,232 INFO L225 Difference]: With dead ends: 504 [2020-10-15 20:20:09,232 INFO L226 Difference]: Without dead ends: 460 [2020-10-15 20:20:09,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:20:09,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-15 20:20:09,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 420. [2020-10-15 20:20:09,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-15 20:20:09,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1090 transitions. [2020-10-15 20:20:09,347 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 1090 transitions. Word has length 6 [2020-10-15 20:20:09,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:09,348 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 1090 transitions. [2020-10-15 20:20:09,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:20:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1090 transitions. [2020-10-15 20:20:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 20:20:09,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:09,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:09,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 20:20:09,354 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:09,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:09,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1518668221, now seen corresponding path program 1 times [2020-10-15 20:20:09,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:09,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682782821] [2020-10-15 20:20:09,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:09,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682782821] [2020-10-15 20:20:09,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:09,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:20:09,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913223237] [2020-10-15 20:20:09,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:20:09,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:09,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:20:09,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:20:09,490 INFO L87 Difference]: Start difference. First operand 420 states and 1090 transitions. Second operand 3 states. [2020-10-15 20:20:09,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:09,508 INFO L93 Difference]: Finished difference Result 464 states and 1200 transitions. [2020-10-15 20:20:09,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:20:09,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-15 20:20:09,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:09,513 INFO L225 Difference]: With dead ends: 464 [2020-10-15 20:20:09,514 INFO L226 Difference]: Without dead ends: 464 [2020-10-15 20:20:09,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:20:09,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-15 20:20:09,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-10-15 20:20:09,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-15 20:20:09,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1200 transitions. [2020-10-15 20:20:09,550 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1200 transitions. Word has length 10 [2020-10-15 20:20:09,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:09,551 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 1200 transitions. [2020-10-15 20:20:09,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:20:09,551 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1200 transitions. [2020-10-15 20:20:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 20:20:09,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:09,553 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:09,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 20:20:09,553 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:09,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:09,554 INFO L82 PathProgramCache]: Analyzing trace with hash 542344755, now seen corresponding path program 1 times [2020-10-15 20:20:09,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:09,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721683538] [2020-10-15 20:20:09,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:09,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721683538] [2020-10-15 20:20:09,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797880388] [2020-10-15 20:20:09,644 INFO L95 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 [2020-10-15 20:20:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:09,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-15 20:20:09,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:20:09,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:09,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:20:09,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-15 20:20:09,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968756731] [2020-10-15 20:20:09,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 20:20:09,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:09,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 20:20:09,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:20:09,772 INFO L87 Difference]: Start difference. First operand 464 states and 1200 transitions. Second operand 5 states. [2020-10-15 20:20:09,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:09,870 INFO L93 Difference]: Finished difference Result 741 states and 1849 transitions. [2020-10-15 20:20:09,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 20:20:09,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-15 20:20:09,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:09,876 INFO L225 Difference]: With dead ends: 741 [2020-10-15 20:20:09,877 INFO L226 Difference]: Without dead ends: 741 [2020-10-15 20:20:09,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-15 20:20:09,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-15 20:20:09,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 575. [2020-10-15 20:20:09,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-10-15 20:20:09,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1484 transitions. [2020-10-15 20:20:09,905 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 1484 transitions. Word has length 13 [2020-10-15 20:20:09,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:09,905 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 1484 transitions. [2020-10-15 20:20:09,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 20:20:09,905 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1484 transitions. [2020-10-15 20:20:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 20:20:09,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:09,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:10,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-15 20:20:10,124 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:10,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:10,125 INFO L82 PathProgramCache]: Analyzing trace with hash 843892794, now seen corresponding path program 1 times [2020-10-15 20:20:10,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:10,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203891099] [2020-10-15 20:20:10,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:10,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:10,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203891099] [2020-10-15 20:20:10,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:10,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:20:10,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042932550] [2020-10-15 20:20:10,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:20:10,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:10,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:20:10,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:20:10,247 INFO L87 Difference]: Start difference. First operand 575 states and 1484 transitions. Second operand 3 states. [2020-10-15 20:20:10,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:10,281 INFO L93 Difference]: Finished difference Result 304 states and 670 transitions. [2020-10-15 20:20:10,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:20:10,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-15 20:20:10,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:10,284 INFO L225 Difference]: With dead ends: 304 [2020-10-15 20:20:10,285 INFO L226 Difference]: Without dead ends: 304 [2020-10-15 20:20:10,285 INFO L677 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 [2020-10-15 20:20:10,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-15 20:20:10,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 294. [2020-10-15 20:20:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-10-15 20:20:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 643 transitions. [2020-10-15 20:20:10,301 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 643 transitions. Word has length 16 [2020-10-15 20:20:10,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:10,301 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 643 transitions. [2020-10-15 20:20:10,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:20:10,302 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 643 transitions. [2020-10-15 20:20:10,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 20:20:10,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:10,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:10,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 20:20:10,310 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:10,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:10,310 INFO L82 PathProgramCache]: Analyzing trace with hash -960478475, now seen corresponding path program 1 times [2020-10-15 20:20:10,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:10,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133487130] [2020-10-15 20:20:10,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:10,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:10,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133487130] [2020-10-15 20:20:10,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:10,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:20:10,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680380963] [2020-10-15 20:20:10,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:20:10,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:10,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:20:10,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:20:10,388 INFO L87 Difference]: Start difference. First operand 294 states and 643 transitions. Second operand 3 states. [2020-10-15 20:20:10,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:10,444 INFO L93 Difference]: Finished difference Result 372 states and 811 transitions. [2020-10-15 20:20:10,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:20:10,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-15 20:20:10,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:10,447 INFO L225 Difference]: With dead ends: 372 [2020-10-15 20:20:10,447 INFO L226 Difference]: Without dead ends: 372 [2020-10-15 20:20:10,448 INFO L677 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 [2020-10-15 20:20:10,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-10-15 20:20:10,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 295. [2020-10-15 20:20:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-15 20:20:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 647 transitions. [2020-10-15 20:20:10,457 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 647 transitions. Word has length 17 [2020-10-15 20:20:10,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:10,458 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 647 transitions. [2020-10-15 20:20:10,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:20:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 647 transitions. [2020-10-15 20:20:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-15 20:20:10,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:10,460 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-15 20:20:10,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 20:20:10,460 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:10,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:10,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1582230501, now seen corresponding path program 2 times [2020-10-15 20:20:10,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:10,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531728521] [2020-10-15 20:20:10,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:10,527 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:10,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531728521] [2020-10-15 20:20:10,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479006318] [2020-10-15 20:20:10,528 INFO L93 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 [2020-10-15 20:20:10,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 20:20:10,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:20:10,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 20:20:10,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:20:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:10,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:20:10,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-15 20:20:10,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231613800] [2020-10-15 20:20:10,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 20:20:10,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:10,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 20:20:10,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:20:10,639 INFO L87 Difference]: Start difference. First operand 295 states and 647 transitions. Second operand 7 states. [2020-10-15 20:20:10,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:10,750 INFO L93 Difference]: Finished difference Result 496 states and 1064 transitions. [2020-10-15 20:20:10,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 20:20:10,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-15 20:20:10,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:10,754 INFO L225 Difference]: With dead ends: 496 [2020-10-15 20:20:10,754 INFO L226 Difference]: Without dead ends: 496 [2020-10-15 20:20:10,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:20:10,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2020-10-15 20:20:10,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 372. [2020-10-15 20:20:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-10-15 20:20:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 816 transitions. [2020-10-15 20:20:10,767 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 816 transitions. Word has length 20 [2020-10-15 20:20:10,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:10,767 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 816 transitions. [2020-10-15 20:20:10,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 20:20:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 816 transitions. [2020-10-15 20:20:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-15 20:20:10,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:10,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:10,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:20:10,984 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:10,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:10,985 INFO L82 PathProgramCache]: Analyzing trace with hash 69417077, now seen corresponding path program 1 times [2020-10-15 20:20:10,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:10,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104624311] [2020-10-15 20:20:10,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:11,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104624311] [2020-10-15 20:20:11,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:11,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 20:20:11,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143974779] [2020-10-15 20:20:11,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:20:11,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:11,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:20:11,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:20:11,365 INFO L87 Difference]: Start difference. First operand 372 states and 816 transitions. Second operand 9 states. [2020-10-15 20:20:11,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:11,630 INFO L93 Difference]: Finished difference Result 643 states and 1378 transitions. [2020-10-15 20:20:11,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 20:20:11,630 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-15 20:20:11,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:11,634 INFO L225 Difference]: With dead ends: 643 [2020-10-15 20:20:11,634 INFO L226 Difference]: Without dead ends: 581 [2020-10-15 20:20:11,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-15 20:20:11,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-10-15 20:20:11,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 416. [2020-10-15 20:20:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-10-15 20:20:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 916 transitions. [2020-10-15 20:20:11,648 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 916 transitions. Word has length 21 [2020-10-15 20:20:11,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:11,648 INFO L481 AbstractCegarLoop]: Abstraction has 416 states and 916 transitions. [2020-10-15 20:20:11,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:20:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 916 transitions. [2020-10-15 20:20:11,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-15 20:20:11,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:11,650 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:11,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 20:20:11,650 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:11,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:11,650 INFO L82 PathProgramCache]: Analyzing trace with hash 2126692033, now seen corresponding path program 1 times [2020-10-15 20:20:11,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:11,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289947679] [2020-10-15 20:20:11,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:11,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 20:20:11,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289947679] [2020-10-15 20:20:11,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:11,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 20:20:11,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980545254] [2020-10-15 20:20:11,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 20:20:11,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:11,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 20:20:11,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 20:20:11,706 INFO L87 Difference]: Start difference. First operand 416 states and 916 transitions. Second operand 6 states. [2020-10-15 20:20:11,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:11,772 INFO L93 Difference]: Finished difference Result 576 states and 1231 transitions. [2020-10-15 20:20:11,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 20:20:11,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-15 20:20:11,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:11,776 INFO L225 Difference]: With dead ends: 576 [2020-10-15 20:20:11,776 INFO L226 Difference]: Without dead ends: 566 [2020-10-15 20:20:11,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-15 20:20:11,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-10-15 20:20:11,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 476. [2020-10-15 20:20:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-15 20:20:11,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 1042 transitions. [2020-10-15 20:20:11,791 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 1042 transitions. Word has length 24 [2020-10-15 20:20:11,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:11,791 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 1042 transitions. [2020-10-15 20:20:11,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 20:20:11,791 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1042 transitions. [2020-10-15 20:20:11,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-15 20:20:11,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:11,793 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2020-10-15 20:20:11,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 20:20:11,793 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:11,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:11,793 INFO L82 PathProgramCache]: Analyzing trace with hash 2004586803, now seen corresponding path program 3 times [2020-10-15 20:20:11,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:11,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793437873] [2020-10-15 20:20:11,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:11,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793437873] [2020-10-15 20:20:11,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414611896] [2020-10-15 20:20:11,874 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:20:11,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-15 20:20:11,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:20:11,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-15 20:20:11,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:20:11,990 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:11,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:20:11,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2020-10-15 20:20:11,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565237891] [2020-10-15 20:20:11,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:20:11,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:11,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:20:11,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:20:11,992 INFO L87 Difference]: Start difference. First operand 476 states and 1042 transitions. Second operand 9 states. [2020-10-15 20:20:12,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:12,090 INFO L93 Difference]: Finished difference Result 759 states and 1615 transitions. [2020-10-15 20:20:12,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 20:20:12,091 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-10-15 20:20:12,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:12,095 INFO L225 Difference]: With dead ends: 759 [2020-10-15 20:20:12,095 INFO L226 Difference]: Without dead ends: 759 [2020-10-15 20:20:12,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-15 20:20:12,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-10-15 20:20:12,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 553. [2020-10-15 20:20:12,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-10-15 20:20:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 1211 transitions. [2020-10-15 20:20:12,113 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 1211 transitions. Word has length 27 [2020-10-15 20:20:12,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:12,113 INFO L481 AbstractCegarLoop]: Abstraction has 553 states and 1211 transitions. [2020-10-15 20:20:12,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:20:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1211 transitions. [2020-10-15 20:20:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 20:20:12,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:12,115 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:12,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:20:12,330 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:12,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:12,330 INFO L82 PathProgramCache]: Analyzing trace with hash -408396195, now seen corresponding path program 2 times [2020-10-15 20:20:12,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:12,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103485038] [2020-10-15 20:20:12,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:12,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103485038] [2020-10-15 20:20:12,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744770037] [2020-10-15 20:20:12,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:20:12,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-15 20:20:12,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:20:12,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 45 conjunts are in the unsatisfiable core [2020-10-15 20:20:12,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:20:12,925 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 53 [2020-10-15 20:20:12,928 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 20:20:12,952 INFO L625 ElimStorePlain]: treesize reduction 29, result has 42.0 percent of original size [2020-10-15 20:20:12,956 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:20:12,957 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:23, output treesize:4 [2020-10-15 20:20:13,161 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2020-10-15 20:20:13,162 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:20:13,189 INFO L625 ElimStorePlain]: treesize reduction 3, result has 93.0 percent of original size [2020-10-15 20:20:13,195 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:20:13,195 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:54 [2020-10-15 20:20:13,394 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 37 [2020-10-15 20:20:13,395 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:20:13,408 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:20:13,411 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 20:20:13,411 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:69, output treesize:65 [2020-10-15 20:20:13,917 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 20:20:13,941 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 31 [2020-10-15 20:20:13,966 INFO L545 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 20:20:13,972 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 34 [2020-10-15 20:20:13,999 INFO L545 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 20:20:14,067 INFO L625 ElimStorePlain]: treesize reduction 90, result has 43.4 percent of original size [2020-10-15 20:20:14,075 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 20:20:14,075 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:178, output treesize:65 [2020-10-15 20:20:14,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 20:20:14,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-15 20:20:14,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [15] total 28 [2020-10-15 20:20:14,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160277859] [2020-10-15 20:20:14,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 20:20:14,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:14,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 20:20:14,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2020-10-15 20:20:14,205 INFO L87 Difference]: Start difference. First operand 553 states and 1211 transitions. Second operand 15 states. [2020-10-15 20:20:18,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:18,417 INFO L93 Difference]: Finished difference Result 1207 states and 2573 transitions. [2020-10-15 20:20:18,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-15 20:20:18,417 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2020-10-15 20:20:18,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:18,423 INFO L225 Difference]: With dead ends: 1207 [2020-10-15 20:20:18,424 INFO L226 Difference]: Without dead ends: 1167 [2020-10-15 20:20:18,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=380, Invalid=2926, Unknown=0, NotChecked=0, Total=3306 [2020-10-15 20:20:18,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2020-10-15 20:20:18,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 657. [2020-10-15 20:20:18,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-10-15 20:20:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1465 transitions. [2020-10-15 20:20:18,445 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1465 transitions. Word has length 28 [2020-10-15 20:20:18,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:18,446 INFO L481 AbstractCegarLoop]: Abstraction has 657 states and 1465 transitions. [2020-10-15 20:20:18,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 20:20:18,446 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1465 transitions. [2020-10-15 20:20:18,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-15 20:20:18,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:18,448 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:18,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:20:18,664 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:18,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:18,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1113124825, now seen corresponding path program 2 times [2020-10-15 20:20:18,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:18,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088857074] [2020-10-15 20:20:18,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 20:20:18,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088857074] [2020-10-15 20:20:18,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332573980] [2020-10-15 20:20:18,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:20:18,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 20:20:18,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:20:18,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-15 20:20:18,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:20:18,874 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 20:20:18,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:20:18,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-10-15 20:20:18,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652126729] [2020-10-15 20:20:18,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 20:20:18,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:18,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 20:20:18,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-15 20:20:18,879 INFO L87 Difference]: Start difference. First operand 657 states and 1465 transitions. Second operand 8 states. [2020-10-15 20:20:19,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:19,041 INFO L93 Difference]: Finished difference Result 985 states and 2121 transitions. [2020-10-15 20:20:19,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 20:20:19,042 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-10-15 20:20:19,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:19,048 INFO L225 Difference]: With dead ends: 985 [2020-10-15 20:20:19,048 INFO L226 Difference]: Without dead ends: 985 [2020-10-15 20:20:19,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-15 20:20:19,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2020-10-15 20:20:19,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 701. [2020-10-15 20:20:19,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-10-15 20:20:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1589 transitions. [2020-10-15 20:20:19,070 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1589 transitions. Word has length 31 [2020-10-15 20:20:19,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:19,070 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1589 transitions. [2020-10-15 20:20:19,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 20:20:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1589 transitions. [2020-10-15 20:20:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-15 20:20:19,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:19,072 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2020-10-15 20:20:19,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-15 20:20:19,287 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:19,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:19,288 INFO L82 PathProgramCache]: Analyzing trace with hash 443984155, now seen corresponding path program 4 times [2020-10-15 20:20:19,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:19,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330919977] [2020-10-15 20:20:19,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:19,382 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:19,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330919977] [2020-10-15 20:20:19,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120572874] [2020-10-15 20:20:19,383 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:20:19,467 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-15 20:20:19,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:20:19,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-15 20:20:19,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:20:19,484 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:20:19,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:20:19,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2020-10-15 20:20:19,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517945051] [2020-10-15 20:20:19,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 20:20:19,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:19,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 20:20:19,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-15 20:20:19,487 INFO L87 Difference]: Start difference. First operand 701 states and 1589 transitions. Second operand 11 states. [2020-10-15 20:20:19,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:19,626 INFO L93 Difference]: Finished difference Result 1137 states and 2478 transitions. [2020-10-15 20:20:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 20:20:19,627 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2020-10-15 20:20:19,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:19,632 INFO L225 Difference]: With dead ends: 1137 [2020-10-15 20:20:19,633 INFO L226 Difference]: Without dead ends: 1137 [2020-10-15 20:20:19,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-15 20:20:19,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2020-10-15 20:20:19,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 792. [2020-10-15 20:20:19,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2020-10-15 20:20:19,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1797 transitions. [2020-10-15 20:20:19,665 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1797 transitions. Word has length 34 [2020-10-15 20:20:19,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:19,666 INFO L481 AbstractCegarLoop]: Abstraction has 792 states and 1797 transitions. [2020-10-15 20:20:19,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 20:20:19,666 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1797 transitions. [2020-10-15 20:20:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-15 20:20:19,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:19,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:19,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:20:19,883 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:19,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:19,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1975916590, now seen corresponding path program 1 times [2020-10-15 20:20:19,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:19,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787688829] [2020-10-15 20:20:19,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:19,985 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 22: A-local: [(|t1Thread1of1ForFork0_push_#t~ret35_5| Int), (t1Thread1of1ForFork0_push_~stack.offset_3 Int)], B-local: []. [2020-10-15 20:20:19,987 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 23: A-local: [(|t1Thread1of1ForFork0_push_#t~ret35_5| Int), (t1Thread1of1ForFork0_push_~stack.offset_3 Int)], B-local: []. [2020-10-15 20:20:19,990 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 24: A-local: [(|t1Thread1of1ForFork0_push_#t~ret35_5| Int), (t1Thread1of1ForFork0_push_~stack.offset_3 Int)], B-local: []. [2020-10-15 20:20:19,995 ERROR L253 erpolLogProxyWrapper]: Interpolant 25 not inductive [2020-10-15 20:20:20,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 20:20:20,009 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:876) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) 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:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:360) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-15 20:20:20,013 INFO L168 Benchmark]: Toolchain (without parser) took 17231.76 ms. Allocated memory was 250.1 MB in the beginning and 509.1 MB in the end (delta: 259.0 MB). Free memory was 202.0 MB in the beginning and 250.7 MB in the end (delta: -48.7 MB). Peak memory consumption was 210.3 MB. Max. memory is 14.2 GB. [2020-10-15 20:20:20,014 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 250.1 MB. Free memory is still 224.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 20:20:20,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 962.01 ms. Allocated memory was 250.1 MB in the beginning and 312.5 MB in the end (delta: 62.4 MB). Free memory was 202.0 MB in the beginning and 240.5 MB in the end (delta: -38.5 MB). Peak memory consumption was 34.0 MB. Max. memory is 14.2 GB. [2020-10-15 20:20:20,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.79 ms. Allocated memory is still 312.5 MB. Free memory was 240.5 MB in the beginning and 238.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:20:20,016 INFO L168 Benchmark]: Boogie Preprocessor took 35.60 ms. Allocated memory is still 312.5 MB. Free memory was 238.0 MB in the beginning and 235.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:20:20,016 INFO L168 Benchmark]: RCFGBuilder took 598.33 ms. Allocated memory is still 312.5 MB. Free memory was 235.5 MB in the beginning and 203.5 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 14.2 GB. [2020-10-15 20:20:20,017 INFO L168 Benchmark]: TraceAbstraction took 15553.36 ms. Allocated memory was 312.5 MB in the beginning and 509.1 MB in the end (delta: 196.6 MB). Free memory was 201.0 MB in the beginning and 250.7 MB in the end (delta: -49.7 MB). Peak memory consumption was 146.9 MB. Max. memory is 14.2 GB. [2020-10-15 20:20:20,020 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 250.1 MB. Free memory is still 224.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 962.01 ms. Allocated memory was 250.1 MB in the beginning and 312.5 MB in the end (delta: 62.4 MB). Free memory was 202.0 MB in the beginning and 240.5 MB in the end (delta: -38.5 MB). Peak memory consumption was 34.0 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 76.79 ms. Allocated memory is still 312.5 MB. Free memory was 240.5 MB in the beginning and 238.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 35.60 ms. Allocated memory is still 312.5 MB. Free memory was 238.0 MB in the beginning and 235.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 598.33 ms. Allocated memory is still 312.5 MB. Free memory was 235.5 MB in the beginning and 203.5 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 15553.36 ms. Allocated memory was 312.5 MB in the beginning and 509.1 MB in the end (delta: 196.6 MB). Free memory was 201.0 MB in the beginning and 250.7 MB in the end (delta: -49.7 MB). Peak memory consumption was 146.9 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3994 VarBasedMoverChecksPositive, 70 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 66 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 284 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.1s, 133 PlacesBefore, 40 PlacesAfterwards, 138 TransitionsBefore, 40 TransitionsAfterwards, 5744 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 5 ChoiceCompositions, 123 TotalNumberOfCompositions, 10440 MoverChecksTotal - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...