/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-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 03:10:21,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 03:10:21,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 03:10:21,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 03:10:21,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 03:10:21,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 03:10:21,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 03:10:21,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 03:10:21,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 03:10:21,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 03:10:21,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 03:10:21,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 03:10:21,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 03:10:21,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 03:10:21,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 03:10:21,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 03:10:21,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 03:10:21,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 03:10:21,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 03:10:21,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 03:10:21,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 03:10:21,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 03:10:21,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 03:10:21,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 03:10:21,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 03:10:21,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 03:10:21,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 03:10:21,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 03:10:21,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 03:10:21,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 03:10:21,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 03:10:21,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 03:10:21,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 03:10:21,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 03:10:21,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 03:10:21,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 03:10:21,764 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-PN-SemanticLbe-SemanticLooper.epf [2020-10-16 03:10:21,788 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 03:10:21,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 03:10:21,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 03:10:21,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 03:10:21,790 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 03:10:21,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 03:10:21,791 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 03:10:21,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 03:10:21,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 03:10:21,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 03:10:21,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 03:10:21,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 03:10:21,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 03:10:21,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 03:10:21,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 03:10:21,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 03:10:21,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 03:10:21,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 03:10:21,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 03:10:21,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 03:10:21,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 03:10:21,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 03:10:21,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 03:10:21,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 03:10:21,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 03:10:21,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 03:10:21,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 03:10:21,795 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 03:10:21,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 03:10:22,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 03:10:22,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 03:10:22,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 03:10:22,114 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 03:10:22,115 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 03:10:22,116 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-10-16 03:10:22,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3b39c0ee/3e22c9f176004b07b0728cc4909c9e46/FLAGf6851f2cd [2020-10-16 03:10:22,710 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 03:10:22,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-10-16 03:10:22,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3b39c0ee/3e22c9f176004b07b0728cc4909c9e46/FLAGf6851f2cd [2020-10-16 03:10:23,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3b39c0ee/3e22c9f176004b07b0728cc4909c9e46 [2020-10-16 03:10:23,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 03:10:23,017 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 03:10:23,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 03:10:23,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 03:10:23,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 03:10:23,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:10:23" (1/1) ... [2020-10-16 03:10:23,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5529605f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23, skipping insertion in model container [2020-10-16 03:10:23,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:10:23" (1/1) ... [2020-10-16 03:10:23,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 03:10:23,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 03:10:23,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 03:10:23,648 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 03:10:23,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 03:10:23,838 INFO L208 MainTranslator]: Completed translation [2020-10-16 03:10:23,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23 WrapperNode [2020-10-16 03:10:23,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 03:10:23,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 03:10:23,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 03:10:23,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 03:10:23,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23" (1/1) ... [2020-10-16 03:10:23,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23" (1/1) ... [2020-10-16 03:10:23,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 03:10:23,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 03:10:23,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 03:10:23,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 03:10:23,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23" (1/1) ... [2020-10-16 03:10:23,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23" (1/1) ... [2020-10-16 03:10:23,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23" (1/1) ... [2020-10-16 03:10:23,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23" (1/1) ... [2020-10-16 03:10:23,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23" (1/1) ... [2020-10-16 03:10:23,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23" (1/1) ... [2020-10-16 03:10:23,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23" (1/1) ... [2020-10-16 03:10:23,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 03:10:23,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 03:10:23,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 03:10:23,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 03:10:23,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23" (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 [2020-10-16 03:10:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-16 03:10:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-16 03:10:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-16 03:10:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-16 03:10:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 03:10:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 03:10:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 03:10:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 03:10:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 03:10:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 03:10:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 03:10:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 03:10:24,017 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 03:10:24,582 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 03:10:24,582 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-16 03:10:24,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:10:24 BoogieIcfgContainer [2020-10-16 03:10:24,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 03:10:24,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 03:10:24,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 03:10:24,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 03:10:24,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:10:23" (1/3) ... [2020-10-16 03:10:24,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd37549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:10:24, skipping insertion in model container [2020-10-16 03:10:24,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:23" (2/3) ... [2020-10-16 03:10:24,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd37549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:10:24, skipping insertion in model container [2020-10-16 03:10:24,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:10:24" (3/3) ... [2020-10-16 03:10:24,593 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2020-10-16 03:10:24,603 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 03:10:24,610 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 03:10:24,611 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 03:10:24,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,653 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,653 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,654 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,654 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,655 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,657 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,661 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,661 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,662 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,662 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,662 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,662 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,663 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,663 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,663 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,663 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,663 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,664 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,664 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,664 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,664 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,665 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,665 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,665 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,666 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,666 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,667 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,667 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,667 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,668 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,668 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,669 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,670 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,671 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,671 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,671 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,673 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,673 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,673 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,673 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,674 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,674 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,674 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,674 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,675 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,675 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,675 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,675 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,676 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,676 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,678 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,678 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,679 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,679 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,680 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,680 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,680 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,682 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,683 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,684 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,684 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,684 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,684 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,685 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,685 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,690 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,691 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,692 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,692 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,693 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,693 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,693 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,693 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,694 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,694 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,695 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,695 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,695 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,695 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,696 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,696 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,697 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,697 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,698 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,698 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,698 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,698 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,698 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,699 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,699 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,699 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,699 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,700 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,700 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,701 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,701 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,702 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,702 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,702 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,702 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,704 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,704 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,705 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,711 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,711 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,712 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,712 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,712 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,712 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,713 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,714 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,714 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,715 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,715 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,715 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,715 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,715 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,723 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,724 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,725 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,725 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,726 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,727 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,727 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,727 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,727 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,727 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,728 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,728 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,728 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,728 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,729 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,729 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,757 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,757 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:24,780 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 03:10:24,803 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 03:10:24,803 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 03:10:24,803 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 03:10:24,803 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 03:10:24,803 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 03:10:24,803 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 03:10:24,804 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 03:10:24,804 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 03:10:24,822 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-10-16 03:10:24,910 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-10-16 03:10:24,910 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 03:10:24,922 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-10-16 03:10:24,923 INFO L82 GeneralOperation]: Start removeDead. Operand has 196 places, 204 transitions, 430 flow [2020-10-16 03:10:24,932 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 185 places, 192 transitions, 396 flow [2020-10-16 03:10:24,934 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 03:10:24,937 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 192 transitions, 396 flow [2020-10-16 03:10:24,940 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 192 transitions, 396 flow [2020-10-16 03:10:24,941 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 185 places, 192 transitions, 396 flow [2020-10-16 03:10:24,983 INFO L129 PetriNetUnfolder]: 13/194 cut-off events. [2020-10-16 03:10:24,984 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 03:10:24,986 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 194 events. 13/194 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 293 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-10-16 03:10:24,998 INFO L117 LiptonReduction]: Number of co-enabled transitions 9440 [2020-10-16 03:10:27,542 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-10-16 03:10:28,344 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-10-16 03:10:29,441 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2020-10-16 03:10:29,726 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-16 03:10:31,090 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 144 DAG size of output: 138 [2020-10-16 03:10:31,589 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-16 03:10:33,120 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2020-10-16 03:10:33,850 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-16 03:10:33,872 INFO L132 LiptonReduction]: Checked pairs total: 21968 [2020-10-16 03:10:33,873 INFO L134 LiptonReduction]: Total number of compositions: 179 [2020-10-16 03:10:33,876 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8944 [2020-10-16 03:10:33,881 INFO L129 PetriNetUnfolder]: 0/1 cut-off events. [2020-10-16 03:10:33,881 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:10:33,881 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:33,882 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2020-10-16 03:10:33,883 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:33,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:33,889 INFO L82 PathProgramCache]: Analyzing trace with hash 804, now seen corresponding path program 1 times [2020-10-16 03:10:33,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:33,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533199550] [2020-10-16 03:10:33,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:34,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533199550] [2020-10-16 03:10:34,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:10:34,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 03:10:34,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365192092] [2020-10-16 03:10:34,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 03:10:34,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:34,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 03:10:34,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 03:10:34,034 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 383 [2020-10-16 03:10:34,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 49 transitions, 110 flow. Second operand 2 states. [2020-10-16 03:10:34,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:34,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 383 [2020-10-16 03:10:34,039 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:34,053 INFO L129 PetriNetUnfolder]: 7/50 cut-off events. [2020-10-16 03:10:34,053 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 03:10:34,054 INFO L80 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 7/50 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 121 event pairs, 0 based on Foata normal form. 1/43 useless extension candidates. Maximal degree in co-relation 56. Up to 3 conditions per place. [2020-10-16 03:10:34,055 INFO L132 encePairwiseOnDemand]: 382/383 looper letters, 0 selfloop transitions, 0 changer transitions 0/48 dead transitions. [2020-10-16 03:10:34,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 108 flow [2020-10-16 03:10:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 03:10:34,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 03:10:34,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 731 transitions. [2020-10-16 03:10:34,074 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9543080939947781 [2020-10-16 03:10:34,075 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 731 transitions. [2020-10-16 03:10:34,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 731 transitions. [2020-10-16 03:10:34,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:34,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 731 transitions. [2020-10-16 03:10:34,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 03:10:34,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 03:10:34,095 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 03:10:34,097 INFO L185 Difference]: Start difference. First operand has 48 places, 49 transitions, 110 flow. Second operand 2 states and 731 transitions. [2020-10-16 03:10:34,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 108 flow [2020-10-16 03:10:34,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 100 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 03:10:34,103 INFO L241 Difference]: Finished difference. Result has 44 places, 48 transitions, 100 flow [2020-10-16 03:10:34,106 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=100, PETRI_PLACES=44, PETRI_TRANSITIONS=48} [2020-10-16 03:10:34,106 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2020-10-16 03:10:34,107 INFO L481 AbstractCegarLoop]: Abstraction has has 44 places, 48 transitions, 100 flow [2020-10-16 03:10:34,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 03:10:34,107 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:34,107 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:34,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 03:10:34,108 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:34,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:34,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1545279757, now seen corresponding path program 1 times [2020-10-16 03:10:34,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:34,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707508377] [2020-10-16 03:10:34,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:34,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707508377] [2020-10-16 03:10:34,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:10:34,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 03:10:34,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480247468] [2020-10-16 03:10:34,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:10:34,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:34,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:10:34,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:10:34,292 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 383 [2020-10-16 03:10:34,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 48 transitions, 100 flow. Second operand 3 states. [2020-10-16 03:10:34,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:34,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 383 [2020-10-16 03:10:34,293 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:34,322 INFO L129 PetriNetUnfolder]: 6/67 cut-off events. [2020-10-16 03:10:34,322 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:10:34,323 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 67 events. 6/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 193 event pairs, 0 based on Foata normal form. 1/62 useless extension candidates. Maximal degree in co-relation 76. Up to 5 conditions per place. [2020-10-16 03:10:34,323 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 2 selfloop transitions, 2 changer transitions 4/49 dead transitions. [2020-10-16 03:10:34,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 49 transitions, 114 flow [2020-10-16 03:10:34,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:10:34,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:10:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1033 transitions. [2020-10-16 03:10:34,328 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8990426457789382 [2020-10-16 03:10:34,328 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1033 transitions. [2020-10-16 03:10:34,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1033 transitions. [2020-10-16 03:10:34,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:34,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1033 transitions. [2020-10-16 03:10:34,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:10:34,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:10:34,336 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:10:34,336 INFO L185 Difference]: Start difference. First operand has 44 places, 48 transitions, 100 flow. Second operand 3 states and 1033 transitions. [2020-10-16 03:10:34,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 49 transitions, 114 flow [2020-10-16 03:10:34,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 49 transitions, 114 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 03:10:34,338 INFO L241 Difference]: Finished difference. Result has 47 places, 45 transitions, 102 flow [2020-10-16 03:10:34,339 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=47, PETRI_TRANSITIONS=45} [2020-10-16 03:10:34,339 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2020-10-16 03:10:34,340 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 45 transitions, 102 flow [2020-10-16 03:10:34,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:10:34,340 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:34,340 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:34,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 03:10:34,341 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:34,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:34,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1545688737, now seen corresponding path program 1 times [2020-10-16 03:10:34,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:34,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168499626] [2020-10-16 03:10:34,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:34,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168499626] [2020-10-16 03:10:34,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:10:34,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:10:34,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609317202] [2020-10-16 03:10:34,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:10:34,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:34,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:10:34,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:10:34,425 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 383 [2020-10-16 03:10:34,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 45 transitions, 102 flow. Second operand 3 states. [2020-10-16 03:10:34,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:34,427 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 383 [2020-10-16 03:10:34,427 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:34,464 INFO L129 PetriNetUnfolder]: 8/70 cut-off events. [2020-10-16 03:10:34,464 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:10:34,465 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 70 events. 8/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 201 event pairs, 1 based on Foata normal form. 3/64 useless extension candidates. Maximal degree in co-relation 89. Up to 6 conditions per place. [2020-10-16 03:10:34,465 INFO L132 encePairwiseOnDemand]: 378/383 looper letters, 1 selfloop transitions, 3 changer transitions 4/45 dead transitions. [2020-10-16 03:10:34,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 45 transitions, 114 flow [2020-10-16 03:10:34,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:10:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:10:34,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2020-10-16 03:10:34,470 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8694516971279374 [2020-10-16 03:10:34,470 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2020-10-16 03:10:34,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2020-10-16 03:10:34,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:34,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2020-10-16 03:10:34,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:10:34,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:10:34,476 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:10:34,476 INFO L185 Difference]: Start difference. First operand has 47 places, 45 transitions, 102 flow. Second operand 3 states and 999 transitions. [2020-10-16 03:10:34,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 45 transitions, 114 flow [2020-10-16 03:10:34,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 45 transitions, 110 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 03:10:34,478 INFO L241 Difference]: Finished difference. Result has 46 places, 41 transitions, 95 flow [2020-10-16 03:10:34,479 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=46, PETRI_TRANSITIONS=41} [2020-10-16 03:10:34,479 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2020-10-16 03:10:34,479 INFO L481 AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 95 flow [2020-10-16 03:10:34,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:10:34,479 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:34,480 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:34,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 03:10:34,480 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:34,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:34,480 INFO L82 PathProgramCache]: Analyzing trace with hash 450998237, now seen corresponding path program 1 times [2020-10-16 03:10:34,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:34,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371992808] [2020-10-16 03:10:34,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:34,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:34,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371992808] [2020-10-16 03:10:34,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:10:34,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:10:34,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540006503] [2020-10-16 03:10:34,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:10:34,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:34,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:10:34,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:10:34,534 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:34,535 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 41 transitions, 95 flow. Second operand 3 states. [2020-10-16 03:10:34,535 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:34,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:34,536 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:34,562 INFO L129 PetriNetUnfolder]: 6/53 cut-off events. [2020-10-16 03:10:34,562 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:10:34,562 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 53 events. 6/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 71. Up to 9 conditions per place. [2020-10-16 03:10:34,563 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 7 selfloop transitions, 3 changer transitions 0/44 dead transitions. [2020-10-16 03:10:34,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 44 transitions, 121 flow [2020-10-16 03:10:34,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:10:34,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:10:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2020-10-16 03:10:34,569 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9051348999129678 [2020-10-16 03:10:34,569 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1040 transitions. [2020-10-16 03:10:34,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1040 transitions. [2020-10-16 03:10:34,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:34,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1040 transitions. [2020-10-16 03:10:34,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:10:34,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:10:34,575 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:10:34,575 INFO L185 Difference]: Start difference. First operand has 46 places, 41 transitions, 95 flow. Second operand 3 states and 1040 transitions. [2020-10-16 03:10:34,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 44 transitions, 121 flow [2020-10-16 03:10:34,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 44 transitions, 118 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 03:10:34,577 INFO L241 Difference]: Finished difference. Result has 45 places, 43 transitions, 111 flow [2020-10-16 03:10:34,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=45, PETRI_TRANSITIONS=43} [2020-10-16 03:10:34,578 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2020-10-16 03:10:34,578 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 43 transitions, 111 flow [2020-10-16 03:10:34,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:10:34,578 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:34,579 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:34,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 03:10:34,579 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:34,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:34,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1008237711, now seen corresponding path program 1 times [2020-10-16 03:10:34,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:34,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885174754] [2020-10-16 03:10:34,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:34,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885174754] [2020-10-16 03:10:34,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538447586] [2020-10-16 03:10:34,645 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 [2020-10-16 03:10:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:34,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-16 03:10:34,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:34,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:34,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:34,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-10-16 03:10:34,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939643203] [2020-10-16 03:10:34,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 03:10:34,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:34,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 03:10:34,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-16 03:10:34,795 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:34,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 43 transitions, 111 flow. Second operand 5 states. [2020-10-16 03:10:34,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:34,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:34,796 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:34,834 INFO L129 PetriNetUnfolder]: 7/64 cut-off events. [2020-10-16 03:10:34,834 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 03:10:34,835 INFO L80 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 64 events. 7/64 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 1/59 useless extension candidates. Maximal degree in co-relation 92. Up to 9 conditions per place. [2020-10-16 03:10:34,835 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 8 selfloop transitions, 5 changer transitions 0/47 dead transitions. [2020-10-16 03:10:34,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 47 transitions, 149 flow [2020-10-16 03:10:34,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 03:10:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 03:10:34,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1386 transitions. [2020-10-16 03:10:34,840 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9046997389033943 [2020-10-16 03:10:34,840 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1386 transitions. [2020-10-16 03:10:34,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1386 transitions. [2020-10-16 03:10:34,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:34,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1386 transitions. [2020-10-16 03:10:34,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 03:10:34,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 03:10:34,847 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 03:10:34,847 INFO L185 Difference]: Start difference. First operand has 45 places, 43 transitions, 111 flow. Second operand 4 states and 1386 transitions. [2020-10-16 03:10:34,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 47 transitions, 149 flow [2020-10-16 03:10:34,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 47 transitions, 146 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 03:10:34,850 INFO L241 Difference]: Finished difference. Result has 48 places, 45 transitions, 136 flow [2020-10-16 03:10:34,850 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=48, PETRI_TRANSITIONS=45} [2020-10-16 03:10:34,850 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2020-10-16 03:10:34,850 INFO L481 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 136 flow [2020-10-16 03:10:34,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 03:10:34,850 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:34,851 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:35,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:35,066 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:35,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:35,067 INFO L82 PathProgramCache]: Analyzing trace with hash -2123611811, now seen corresponding path program 2 times [2020-10-16 03:10:35,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:35,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483427979] [2020-10-16 03:10:35,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:35,154 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:35,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483427979] [2020-10-16 03:10:35,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057237946] [2020-10-16 03:10:35,155 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 [2020-10-16 03:10:35,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-16 03:10:35,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:10:35,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-16 03:10:35,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:35,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:35,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-16 03:10:35,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318551451] [2020-10-16 03:10:35,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 03:10:35,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:35,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 03:10:35,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-16 03:10:35,364 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:35,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 136 flow. Second operand 6 states. [2020-10-16 03:10:35,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:35,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:35,366 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:35,413 INFO L129 PetriNetUnfolder]: 8/75 cut-off events. [2020-10-16 03:10:35,413 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-10-16 03:10:35,413 INFO L80 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 75 events. 8/75 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 118. Up to 10 conditions per place. [2020-10-16 03:10:35,414 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 9 selfloop transitions, 7 changer transitions 0/50 dead transitions. [2020-10-16 03:10:35,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 50 transitions, 186 flow [2020-10-16 03:10:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 03:10:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 03:10:35,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1732 transitions. [2020-10-16 03:10:35,420 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9044386422976501 [2020-10-16 03:10:35,420 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1732 transitions. [2020-10-16 03:10:35,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1732 transitions. [2020-10-16 03:10:35,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:35,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1732 transitions. [2020-10-16 03:10:35,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 03:10:35,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 03:10:35,429 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 03:10:35,429 INFO L185 Difference]: Start difference. First operand has 48 places, 45 transitions, 136 flow. Second operand 5 states and 1732 transitions. [2020-10-16 03:10:35,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 50 transitions, 186 flow [2020-10-16 03:10:35,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 50 transitions, 176 flow, removed 2 selfloop flow, removed 2 redundant places. [2020-10-16 03:10:35,436 INFO L241 Difference]: Finished difference. Result has 51 places, 47 transitions, 162 flow [2020-10-16 03:10:35,436 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=162, PETRI_PLACES=51, PETRI_TRANSITIONS=47} [2020-10-16 03:10:35,437 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 3 predicate places. [2020-10-16 03:10:35,437 INFO L481 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 162 flow [2020-10-16 03:10:35,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 03:10:35,437 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:35,437 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:35,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:35,652 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:35,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:35,652 INFO L82 PathProgramCache]: Analyzing trace with hash 46198635, now seen corresponding path program 3 times [2020-10-16 03:10:35,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:35,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361962857] [2020-10-16 03:10:35,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:35,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361962857] [2020-10-16 03:10:35,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210347820] [2020-10-16 03:10:35,751 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 [2020-10-16 03:10:36,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-16 03:10:36,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:10:36,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-16 03:10:36,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:36,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:36,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-10-16 03:10:36,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532420918] [2020-10-16 03:10:36,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 03:10:36,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:36,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 03:10:36,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-16 03:10:36,342 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:36,343 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 162 flow. Second operand 7 states. [2020-10-16 03:10:36,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:36,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:36,344 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:36,408 INFO L129 PetriNetUnfolder]: 9/86 cut-off events. [2020-10-16 03:10:36,408 INFO L130 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2020-10-16 03:10:36,409 INFO L80 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 86 events. 9/86 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 145. Up to 11 conditions per place. [2020-10-16 03:10:36,410 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 10 selfloop transitions, 9 changer transitions 0/53 dead transitions. [2020-10-16 03:10:36,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 53 transitions, 224 flow [2020-10-16 03:10:36,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 03:10:36,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 03:10:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2078 transitions. [2020-10-16 03:10:36,444 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9042645778938208 [2020-10-16 03:10:36,444 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2078 transitions. [2020-10-16 03:10:36,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2078 transitions. [2020-10-16 03:10:36,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:36,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2078 transitions. [2020-10-16 03:10:36,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 03:10:36,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 03:10:36,455 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 03:10:36,455 INFO L185 Difference]: Start difference. First operand has 51 places, 47 transitions, 162 flow. Second operand 6 states and 2078 transitions. [2020-10-16 03:10:36,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 53 transitions, 224 flow [2020-10-16 03:10:36,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 53 transitions, 206 flow, removed 4 selfloop flow, removed 3 redundant places. [2020-10-16 03:10:36,458 INFO L241 Difference]: Finished difference. Result has 54 places, 49 transitions, 188 flow [2020-10-16 03:10:36,458 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=188, PETRI_PLACES=54, PETRI_TRANSITIONS=49} [2020-10-16 03:10:36,458 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 6 predicate places. [2020-10-16 03:10:36,458 INFO L481 AbstractCegarLoop]: Abstraction has has 54 places, 49 transitions, 188 flow [2020-10-16 03:10:36,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 03:10:36,459 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:36,459 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:36,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:36,674 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:36,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:36,674 INFO L82 PathProgramCache]: Analyzing trace with hash -480628003, now seen corresponding path program 4 times [2020-10-16 03:10:36,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:36,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608855087] [2020-10-16 03:10:36,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:36,765 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:36,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608855087] [2020-10-16 03:10:36,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75541815] [2020-10-16 03:10:36,766 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 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 [2020-10-16 03:10:36,995 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-16 03:10:36,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:10:36,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-16 03:10:36,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:37,030 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:37,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:37,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-10-16 03:10:37,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866764419] [2020-10-16 03:10:37,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 03:10:37,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:37,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 03:10:37,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-16 03:10:37,038 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:37,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 49 transitions, 188 flow. Second operand 8 states. [2020-10-16 03:10:37,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:37,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:37,040 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:37,126 INFO L129 PetriNetUnfolder]: 10/97 cut-off events. [2020-10-16 03:10:37,127 INFO L130 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2020-10-16 03:10:37,128 INFO L80 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 97 events. 10/97 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 1/89 useless extension candidates. Maximal degree in co-relation 172. Up to 13 conditions per place. [2020-10-16 03:10:37,131 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 11 selfloop transitions, 11 changer transitions 0/56 dead transitions. [2020-10-16 03:10:37,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 56 transitions, 262 flow [2020-10-16 03:10:37,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 03:10:37,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 03:10:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2424 transitions. [2020-10-16 03:10:37,138 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9041402461767997 [2020-10-16 03:10:37,138 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2424 transitions. [2020-10-16 03:10:37,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2424 transitions. [2020-10-16 03:10:37,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:37,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2424 transitions. [2020-10-16 03:10:37,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 03:10:37,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 03:10:37,150 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 03:10:37,150 INFO L185 Difference]: Start difference. First operand has 54 places, 49 transitions, 188 flow. Second operand 7 states and 2424 transitions. [2020-10-16 03:10:37,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 56 transitions, 262 flow [2020-10-16 03:10:37,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 56 transitions, 236 flow, removed 6 selfloop flow, removed 4 redundant places. [2020-10-16 03:10:37,156 INFO L241 Difference]: Finished difference. Result has 57 places, 51 transitions, 214 flow [2020-10-16 03:10:37,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=214, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2020-10-16 03:10:37,157 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 9 predicate places. [2020-10-16 03:10:37,157 INFO L481 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 214 flow [2020-10-16 03:10:37,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 03:10:37,157 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:37,158 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:37,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:37,371 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:37,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:37,372 INFO L82 PathProgramCache]: Analyzing trace with hash -133673493, now seen corresponding path program 5 times [2020-10-16 03:10:37,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:37,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753302078] [2020-10-16 03:10:37,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:37,466 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:37,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753302078] [2020-10-16 03:10:37,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446202083] [2020-10-16 03:10:37,467 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_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 [2020-10-16 03:10:37,610 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-16 03:10:37,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:10:37,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 37 conjunts are in the unsatisfiable core [2020-10-16 03:10:37,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:37,673 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-16 03:10:37,673 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:37,676 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:37,676 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:37,677 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-16 03:10:37,724 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:37,725 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-16 03:10:37,726 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:37,760 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-16 03:10:37,762 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:37,768 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-16 03:10:37,769 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-16 03:10:37,841 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:37,883 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:37,884 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-16 03:10:37,885 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:37,887 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:37,893 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 03:10:37,910 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:37,910 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-16 03:10:37,911 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:38,006 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-16 03:10:38,009 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-16 03:10:38,009 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-16 03:10:38,052 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:38,067 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-16 03:10:38,068 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 03:10:38,079 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 25 treesize of output 24 [2020-10-16 03:10:38,080 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:38,114 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:38,115 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-16 03:10:38,116 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-16 03:10:38,185 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 23 treesize of output 13 [2020-10-16 03:10:38,187 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:38,198 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:38,198 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:38,199 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-16 03:10:38,300 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-16 03:10:38,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 03:10:38,431 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 44 treesize of output 43 [2020-10-16 03:10:38,432 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:38,454 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:38,482 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-16 03:10:38,483 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:103, output treesize:64 [2020-10-16 03:10:44,750 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-16 03:10:46,890 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 38 [2020-10-16 03:10:46,939 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:46,940 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-16 03:10:46,941 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,992 INFO L625 ElimStorePlain]: treesize reduction 30, result has 72.2 percent of original size [2020-10-16 03:10:47,001 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-16 03:10:47,001 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:88, output treesize:64 [2020-10-16 03:10:49,119 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-16 03:10:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 03:10:49,165 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 25 treesize of output 24 [2020-10-16 03:10:49,166 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:49,184 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:49,194 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-16 03:10:49,194 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:79, output treesize:64 [2020-10-16 03:10:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-16 03:10:49,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:49,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2020-10-16 03:10:49,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113788180] [2020-10-16 03:10:49,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-16 03:10:49,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:49,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-16 03:10:49,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=242, Unknown=2, NotChecked=0, Total=306 [2020-10-16 03:10:49,283 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 383 [2020-10-16 03:10:49,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 214 flow. Second operand 18 states. [2020-10-16 03:10:49,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:49,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 383 [2020-10-16 03:10:49,286 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:11:41,398 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 52 [2020-10-16 03:12:06,188 WARN L193 SmtUtils]: Spent 8.25 s on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-10-16 03:12:41,247 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-16 03:13:12,065 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-10-16 03:14:33,088 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 51 [2020-10-16 03:14:57,462 WARN L193 SmtUtils]: Spent 7.78 s on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-10-16 03:15:38,584 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-10-16 03:16:11,434 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-16 03:17:45,252 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 51 [2020-10-16 03:18:16,126 WARN L193 SmtUtils]: Spent 8.21 s on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-10-16 03:18:51,129 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-10-16 03:19:21,873 WARN L193 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-16 03:20:57,887 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 52 [2020-10-16 03:21:32,876 WARN L193 SmtUtils]: Spent 8.24 s on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-10-16 03:22:09,966 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-16 03:22:46,782 WARN L193 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-10-16 03:23:11,374 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-10-16 03:24:26,896 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 50 [2020-10-16 03:24:59,575 WARN L193 SmtUtils]: Spent 8.19 s on a formula simplification. DAG size of input: 69 DAG size of output: 66 Received shutdown request... [2020-10-16 03:25:11,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2020-10-16 03:25:12,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:25:12,043 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 03:25:12,047 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 03:25:12,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:25:12 BasicIcfg [2020-10-16 03:25:12,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 03:25:12,049 INFO L168 Benchmark]: Toolchain (without parser) took 889032.95 ms. Allocated memory was 249.6 MB in the beginning and 509.1 MB in the end (delta: 259.5 MB). Free memory was 205.5 MB in the beginning and 383.9 MB in the end (delta: -178.5 MB). Peak memory consumption was 81.0 MB. Max. memory is 14.2 GB. [2020-10-16 03:25:12,049 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 249.6 MB. Free memory is still 225.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 03:25:12,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.08 ms. Allocated memory was 249.6 MB in the beginning and 308.8 MB in the end (delta: 59.2 MB). Free memory was 205.5 MB in the beginning and 234.3 MB in the end (delta: -28.8 MB). Peak memory consumption was 40.5 MB. Max. memory is 14.2 GB. [2020-10-16 03:25:12,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.55 ms. Allocated memory is still 308.8 MB. Free memory was 234.3 MB in the beginning and 231.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 03:25:12,051 INFO L168 Benchmark]: Boogie Preprocessor took 40.58 ms. Allocated memory is still 308.8 MB. Free memory was 231.7 MB in the beginning and 229.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 03:25:12,052 INFO L168 Benchmark]: RCFGBuilder took 640.19 ms. Allocated memory is still 308.8 MB. Free memory was 229.2 MB in the beginning and 186.8 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 14.2 GB. [2020-10-16 03:25:12,052 INFO L168 Benchmark]: TraceAbstraction took 887461.58 ms. Allocated memory was 308.8 MB in the beginning and 509.1 MB in the end (delta: 200.3 MB). Free memory was 186.8 MB in the beginning and 383.9 MB in the end (delta: -197.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.2 GB. [2020-10-16 03:25:12,055 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 249.6 MB. Free memory is still 225.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 821.08 ms. Allocated memory was 249.6 MB in the beginning and 308.8 MB in the end (delta: 59.2 MB). Free memory was 205.5 MB in the beginning and 234.3 MB in the end (delta: -28.8 MB). Peak memory consumption was 40.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 64.55 ms. Allocated memory is still 308.8 MB. Free memory was 234.3 MB in the beginning and 231.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 40.58 ms. Allocated memory is still 308.8 MB. Free memory was 231.7 MB in the beginning and 229.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 640.19 ms. Allocated memory is still 308.8 MB. Free memory was 229.2 MB in the beginning and 186.8 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 887461.58 ms. Allocated memory was 308.8 MB in the beginning and 509.1 MB in the end (delta: 200.3 MB). Free memory was 186.8 MB in the beginning and 383.9 MB in the end (delta: -197.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6269 VarBasedMoverChecksPositive, 137 VarBasedMoverChecksNegative, 13 SemBasedMoverChecksPositive, 124 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 511 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.9s, 185 PlacesBefore, 48 PlacesAfterwards, 192 TransitionsBefore, 49 TransitionsAfterwards, 9440 CoEnabledTransitionPairs, 8 FixpointIterations, 56 TrivialSequentialCompositions, 95 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 18 ConcurrentYvCompositions, 6 ChoiceCompositions, 179 TotalNumberOfCompositions, 21968 MoverChecksTotal - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1030). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 81 known predicates. - TimeoutResultAtElement [Line: 1014]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1014). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 81 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 190 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 887.2s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 863.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.0s, HoareTripleCheckerStatistics: 40 SDtfs, 369 SDslu, 48 SDs, 0 SdLazy, 716 SolverSat, 216 SolverUnsat, 193 SolverUnknown, 0 SolverNotchecked, 387.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 359 GetRequests, 256 SyntacticMatches, 2 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2392 ImplicationChecksByTransitivity, 479.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 465 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 451 ConstructedInterpolants, 5 QuantifiedInterpolants, 69945 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1092 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 67/310 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown