/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.epf -i ../../../trunk/examples/svcomp/pthread/queue.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 23:45:49,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 23:45:49,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 23:45:49,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 23:45:49,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 23:45:49,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 23:45:49,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 23:45:49,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 23:45:49,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 23:45:49,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 23:45:49,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 23:45:49,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 23:45:49,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 23:45:49,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 23:45:49,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 23:45:49,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 23:45:49,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 23:45:49,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 23:45:49,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 23:45:49,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 23:45:49,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 23:45:49,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 23:45:49,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 23:45:49,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 23:45:49,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 23:45:49,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 23:45:49,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 23:45:49,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 23:45:49,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 23:45:49,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 23:45:49,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 23:45:49,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 23:45:49,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 23:45:49,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 23:45:49,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 23:45:49,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 23:45:49,811 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.epf [2020-10-15 23:45:49,841 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 23:45:49,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 23:45:49,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 23:45:49,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 23:45:49,843 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 23:45:49,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 23:45:49,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 23:45:49,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 23:45:49,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 23:45:49,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 23:45:49,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 23:45:49,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 23:45:49,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 23:45:49,848 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 23:45:49,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 23:45:49,848 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 23:45:49,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 23:45:49,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 23:45:49,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 23:45:49,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 23:45:49,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 23:45:49,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 23:45:49,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 23:45:49,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 23:45:49,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 23:45:49,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 23:45:49,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 23:45:49,851 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-15 23:45:49,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 23:45:50,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 23:45:50,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 23:45:50,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 23:45:50,179 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 23:45:50,180 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 23:45:50,180 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue.i [2020-10-15 23:45:50,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464c1c4a1/8608e89f96b8490b8e5039e0144ced35/FLAGafe1e3c40 [2020-10-15 23:45:50,721 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 23:45:50,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i [2020-10-15 23:45:50,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464c1c4a1/8608e89f96b8490b8e5039e0144ced35/FLAGafe1e3c40 [2020-10-15 23:45:51,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464c1c4a1/8608e89f96b8490b8e5039e0144ced35 [2020-10-15 23:45:51,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 23:45:51,061 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 23:45:51,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 23:45:51,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 23:45:51,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 23:45:51,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:45:51" (1/1) ... [2020-10-15 23:45:51,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec83fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:51, skipping insertion in model container [2020-10-15 23:45:51,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:45:51" (1/1) ... [2020-10-15 23:45:51,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 23:45:51,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 23:45:51,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 23:45:51,825 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 23:45:51,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 23:45:52,045 INFO L208 MainTranslator]: Completed translation [2020-10-15 23:45:52,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:52 WrapperNode [2020-10-15 23:45:52,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 23:45:52,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 23:45:52,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 23:45:52,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 23:45:52,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:52" (1/1) ... [2020-10-15 23:45:52,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:52" (1/1) ... [2020-10-15 23:45:52,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 23:45:52,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 23:45:52,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 23:45:52,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 23:45:52,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:52" (1/1) ... [2020-10-15 23:45:52,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:52" (1/1) ... [2020-10-15 23:45:52,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:52" (1/1) ... [2020-10-15 23:45:52,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:52" (1/1) ... [2020-10-15 23:45:52,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:52" (1/1) ... [2020-10-15 23:45:52,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:52" (1/1) ... [2020-10-15 23:45:52,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:52" (1/1) ... [2020-10-15 23:45:52,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 23:45:52,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 23:45:52,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 23:45:52,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 23:45:52,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 23:45:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 23:45:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 23:45:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 23:45:52,229 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 23:45:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 23:45:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 23:45:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 23:45:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 23:45:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 23:45:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 23:45:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 23:45:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 23:45:52,232 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 23:45:52,812 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 23:45:52,812 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-15 23:45:52,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:45:52 BoogieIcfgContainer [2020-10-15 23:45:52,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 23:45:52,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 23:45:52,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 23:45:52,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 23:45:52,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 11:45:51" (1/3) ... [2020-10-15 23:45:52,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669813ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:45:52, skipping insertion in model container [2020-10-15 23:45:52,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:45:52" (2/3) ... [2020-10-15 23:45:52,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669813ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:45:52, skipping insertion in model container [2020-10-15 23:45:52,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:45:52" (3/3) ... [2020-10-15 23:45:52,823 INFO L111 eAbstractionObserver]: Analyzing ICFG queue.i [2020-10-15 23:45:52,835 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 23:45:52,843 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-15 23:45:52,844 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 23:45:52,886 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,886 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,886 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,886 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,887 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,887 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,887 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,888 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,888 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,888 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,889 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,889 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,889 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,889 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,890 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,890 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,890 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,890 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,891 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,891 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,891 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,891 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,891 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,892 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,892 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,892 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,892 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,893 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,893 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,893 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,893 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,893 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,894 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,894 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,894 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,894 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,895 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,895 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,895 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,895 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,895 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,896 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,896 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,896 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,896 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,897 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,897 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,897 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,897 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,898 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,898 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,898 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,898 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,900 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,900 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,900 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,900 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,900 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,901 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,901 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,901 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,901 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,901 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,902 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,902 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,902 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,902 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,903 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,903 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,903 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,903 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,904 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,904 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,904 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,904 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,905 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,905 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,905 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,905 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,906 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,906 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,906 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,906 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,906 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,907 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,907 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,907 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,907 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,907 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,908 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,908 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,908 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,908 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,908 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,909 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,909 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,909 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,909 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,910 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,910 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,910 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,910 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,910 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,911 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,911 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,911 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,911 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,912 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,912 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,912 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,912 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,913 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,913 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,913 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,913 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,913 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,914 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,914 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,914 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,915 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,915 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,915 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,915 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,915 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,916 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,916 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,917 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,918 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,918 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,919 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,919 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,920 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,920 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,920 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,921 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,921 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,921 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,921 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,921 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,922 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,922 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,922 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,922 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,922 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,923 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,923 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,923 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,923 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,924 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,924 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,924 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,924 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,924 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,925 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,926 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,926 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,926 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,928 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,928 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,929 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,929 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,929 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,929 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,931 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,931 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,931 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,931 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,931 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,932 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,951 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,952 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,952 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,952 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,952 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,953 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,953 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,953 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,953 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,953 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,953 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,954 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,954 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,954 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,954 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,954 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,954 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,955 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,955 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,955 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,955 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,955 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,955 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,956 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,956 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,959 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,959 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,959 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,959 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,959 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,962 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,970 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,970 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,979 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,979 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,980 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,980 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,980 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,981 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,981 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,984 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,985 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,992 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,992 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,992 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,993 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,994 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,994 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:52,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:45:53,016 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-15 23:45:53,036 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 23:45:53,036 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-15 23:45:53,036 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 23:45:53,037 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 23:45:53,037 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 23:45:53,037 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 23:45:53,037 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 23:45:53,037 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 23:45:53,054 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-10-15 23:45:53,151 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-10-15 23:45:53,154 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 23:45:53,168 INFO L80 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 244 events. 16/244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 381 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 179. Up to 3 conditions per place. [2020-10-15 23:45:53,168 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 244 transitions, 510 flow [2020-10-15 23:45:53,185 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 223 places, 232 transitions, 476 flow [2020-10-15 23:45:53,187 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 23:45:53,190 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 232 transitions, 476 flow [2020-10-15 23:45:53,193 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 232 transitions, 476 flow [2020-10-15 23:45:53,193 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 223 places, 232 transitions, 476 flow [2020-10-15 23:45:53,284 INFO L129 PetriNetUnfolder]: 15/234 cut-off events. [2020-10-15 23:45:53,286 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 23:45:53,292 INFO L80 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 234 events. 15/234 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 304 event pairs, 0 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 179. Up to 2 conditions per place. [2020-10-15 23:45:53,307 INFO L117 LiptonReduction]: Number of co-enabled transitions 14896 [2020-10-15 23:45:56,933 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-10-15 23:45:58,071 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-15 23:45:58,199 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-15 23:45:59,277 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2020-10-15 23:45:59,746 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 23:46:01,405 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 152 DAG size of output: 142 [2020-10-15 23:46:02,017 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-15 23:46:02,411 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 23:46:02,811 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 23:46:02,833 INFO L132 LiptonReduction]: Checked pairs total: 34728 [2020-10-15 23:46:02,834 INFO L134 LiptonReduction]: Total number of compositions: 200 [2020-10-15 23:46:02,836 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9651 [2020-10-15 23:46:02,841 INFO L129 PetriNetUnfolder]: 1/4 cut-off events. [2020-10-15 23:46:02,841 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:02,841 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:02,842 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1] [2020-10-15 23:46:02,843 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:02,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:02,848 INFO L82 PathProgramCache]: Analyzing trace with hash 30030, now seen corresponding path program 1 times [2020-10-15 23:46:02,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:02,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861804747] [2020-10-15 23:46:02,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:02,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861804747] [2020-10-15 23:46:02,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:02,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 23:46:02,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506257634] [2020-10-15 23:46:02,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 23:46:02,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:02,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 23:46:02,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 23:46:03,000 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 444 [2020-10-15 23:46:03,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 66 transitions, 144 flow. Second operand 2 states. [2020-10-15 23:46:03,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:03,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 444 [2020-10-15 23:46:03,005 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:03,020 INFO L129 PetriNetUnfolder]: 8/63 cut-off events. [2020-10-15 23:46:03,020 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 23:46:03,021 INFO L80 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 63 events. 8/63 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 120 event pairs, 0 based on Foata normal form. 3/56 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2020-10-15 23:46:03,022 INFO L132 encePairwiseOnDemand]: 441/444 looper letters, 0 selfloop transitions, 0 changer transitions 0/61 dead transitions. [2020-10-15 23:46:03,022 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 61 transitions, 134 flow [2020-10-15 23:46:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 23:46:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-15 23:46:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 853 transitions. [2020-10-15 23:46:03,041 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9605855855855856 [2020-10-15 23:46:03,042 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 853 transitions. [2020-10-15 23:46:03,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 853 transitions. [2020-10-15 23:46:03,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:03,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 853 transitions. [2020-10-15 23:46:03,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-15 23:46:03,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-15 23:46:03,062 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-15 23:46:03,064 INFO L185 Difference]: Start difference. First operand has 61 places, 66 transitions, 144 flow. Second operand 2 states and 853 transitions. [2020-10-15 23:46:03,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 61 transitions, 134 flow [2020-10-15 23:46:03,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 61 transitions, 126 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-15 23:46:03,071 INFO L241 Difference]: Finished difference. Result has 56 places, 61 transitions, 126 flow [2020-10-15 23:46:03,074 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=126, PETRI_PLACES=56, PETRI_TRANSITIONS=61} [2020-10-15 23:46:03,075 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, -5 predicate places. [2020-10-15 23:46:03,075 INFO L481 AbstractCegarLoop]: Abstraction has has 56 places, 61 transitions, 126 flow [2020-10-15 23:46:03,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 23:46:03,075 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:03,075 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:03,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 23:46:03,076 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:03,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:03,077 INFO L82 PathProgramCache]: Analyzing trace with hash 602919735, now seen corresponding path program 1 times [2020-10-15 23:46:03,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:03,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497677947] [2020-10-15 23:46:03,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:03,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:03,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497677947] [2020-10-15 23:46:03,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:03,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:46:03,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444985320] [2020-10-15 23:46:03,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:46:03,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:03,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:46:03,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:46:03,214 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 444 [2020-10-15 23:46:03,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 61 transitions, 126 flow. Second operand 3 states. [2020-10-15 23:46:03,215 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:03,215 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 444 [2020-10-15 23:46:03,215 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:03,244 INFO L129 PetriNetUnfolder]: 7/62 cut-off events. [2020-10-15 23:46:03,244 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:03,245 INFO L80 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 62 events. 7/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 120 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 68. Up to 3 conditions per place. [2020-10-15 23:46:03,246 INFO L132 encePairwiseOnDemand]: 440/444 looper letters, 1 selfloop transitions, 3 changer transitions 0/60 dead transitions. [2020-10-15 23:46:03,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 60 transitions, 132 flow [2020-10-15 23:46:03,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:46:03,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:46:03,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1238 transitions. [2020-10-15 23:46:03,251 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9294294294294294 [2020-10-15 23:46:03,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1238 transitions. [2020-10-15 23:46:03,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1238 transitions. [2020-10-15 23:46:03,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:03,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1238 transitions. [2020-10-15 23:46:03,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:46:03,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:46:03,259 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:46:03,259 INFO L185 Difference]: Start difference. First operand has 56 places, 61 transitions, 126 flow. Second operand 3 states and 1238 transitions. [2020-10-15 23:46:03,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 60 transitions, 132 flow [2020-10-15 23:46:03,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 60 transitions, 132 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-15 23:46:03,286 INFO L241 Difference]: Finished difference. Result has 58 places, 60 transitions, 130 flow [2020-10-15 23:46:03,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=58, PETRI_TRANSITIONS=60} [2020-10-15 23:46:03,287 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2020-10-15 23:46:03,287 INFO L481 AbstractCegarLoop]: Abstraction has has 58 places, 60 transitions, 130 flow [2020-10-15 23:46:03,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:46:03,287 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:03,288 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:03,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 23:46:03,288 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:03,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:03,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1797707971, now seen corresponding path program 1 times [2020-10-15 23:46:03,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:03,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894967352] [2020-10-15 23:46:03,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:03,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:03,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894967352] [2020-10-15 23:46:03,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:03,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 23:46:03,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741666253] [2020-10-15 23:46:03,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:46:03,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:03,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:46:03,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:46:03,383 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 444 [2020-10-15 23:46:03,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 60 transitions, 130 flow. Second operand 3 states. [2020-10-15 23:46:03,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:03,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 444 [2020-10-15 23:46:03,384 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:03,415 INFO L129 PetriNetUnfolder]: 19/135 cut-off events. [2020-10-15 23:46:03,415 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:03,416 INFO L80 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 135 events. 19/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 273 event pairs, 0 based on Foata normal form. 2/117 useless extension candidates. Maximal degree in co-relation 155. Up to 12 conditions per place. [2020-10-15 23:46:03,417 INFO L132 encePairwiseOnDemand]: 440/444 looper letters, 4 selfloop transitions, 3 changer transitions 0/62 dead transitions. [2020-10-15 23:46:03,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 62 transitions, 148 flow [2020-10-15 23:46:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:46:03,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:46:03,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2020-10-15 23:46:03,421 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9114114114114115 [2020-10-15 23:46:03,422 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2020-10-15 23:46:03,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2020-10-15 23:46:03,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:03,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2020-10-15 23:46:03,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:46:03,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:46:03,428 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:46:03,428 INFO L185 Difference]: Start difference. First operand has 58 places, 60 transitions, 130 flow. Second operand 3 states and 1214 transitions. [2020-10-15 23:46:03,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 62 transitions, 148 flow [2020-10-15 23:46:03,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 62 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-15 23:46:03,430 INFO L241 Difference]: Finished difference. Result has 59 places, 61 transitions, 139 flow [2020-10-15 23:46:03,431 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=139, PETRI_PLACES=59, PETRI_TRANSITIONS=61} [2020-10-15 23:46:03,431 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, -2 predicate places. [2020-10-15 23:46:03,431 INFO L481 AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 139 flow [2020-10-15 23:46:03,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:46:03,431 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:03,432 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:03,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 23:46:03,432 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:03,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:03,432 INFO L82 PathProgramCache]: Analyzing trace with hash -410557785, now seen corresponding path program 1 times [2020-10-15 23:46:03,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:03,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890657127] [2020-10-15 23:46:03,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:03,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890657127] [2020-10-15 23:46:03,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:03,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 23:46:03,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730276192] [2020-10-15 23:46:03,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 23:46:03,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:03,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 23:46:03,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 23:46:03,881 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 444 [2020-10-15 23:46:03,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 61 transitions, 139 flow. Second operand 6 states. [2020-10-15 23:46:03,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:03,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 444 [2020-10-15 23:46:03,882 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:04,144 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-15 23:46:04,415 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-15 23:46:05,091 INFO L129 PetriNetUnfolder]: 562/1169 cut-off events. [2020-10-15 23:46:05,091 INFO L130 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2020-10-15 23:46:05,094 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2204 conditions, 1169 events. 562/1169 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5258 event pairs, 392 based on Foata normal form. 0/1009 useless extension candidates. Maximal degree in co-relation 2199. Up to 902 conditions per place. [2020-10-15 23:46:05,101 INFO L132 encePairwiseOnDemand]: 437/444 looper letters, 44 selfloop transitions, 9 changer transitions 0/73 dead transitions. [2020-10-15 23:46:05,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 73 transitions, 269 flow [2020-10-15 23:46:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:46:05,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-15 23:46:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1584 transitions. [2020-10-15 23:46:05,108 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5945945945945946 [2020-10-15 23:46:05,108 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1584 transitions. [2020-10-15 23:46:05,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1584 transitions. [2020-10-15 23:46:05,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:05,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1584 transitions. [2020-10-15 23:46:05,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-15 23:46:05,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-15 23:46:05,117 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-15 23:46:05,117 INFO L185 Difference]: Start difference. First operand has 59 places, 61 transitions, 139 flow. Second operand 6 states and 1584 transitions. [2020-10-15 23:46:05,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 73 transitions, 269 flow [2020-10-15 23:46:05,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 73 transitions, 266 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-15 23:46:05,125 INFO L241 Difference]: Finished difference. Result has 67 places, 69 transitions, 194 flow [2020-10-15 23:46:05,125 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=194, PETRI_PLACES=67, PETRI_TRANSITIONS=69} [2020-10-15 23:46:05,125 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 6 predicate places. [2020-10-15 23:46:05,125 INFO L481 AbstractCegarLoop]: Abstraction has has 67 places, 69 transitions, 194 flow [2020-10-15 23:46:05,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 23:46:05,126 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:05,126 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:05,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 23:46:05,126 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:05,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:05,127 INFO L82 PathProgramCache]: Analyzing trace with hash -2055269490, now seen corresponding path program 1 times [2020-10-15 23:46:05,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:05,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134147990] [2020-10-15 23:46:05,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:05,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:05,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134147990] [2020-10-15 23:46:05,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:05,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 23:46:05,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205218095] [2020-10-15 23:46:05,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:46:05,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:05,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:46:05,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:46:05,307 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 444 [2020-10-15 23:46:05,308 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 69 transitions, 194 flow. Second operand 7 states. [2020-10-15 23:46:05,308 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:05,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 444 [2020-10-15 23:46:05,309 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:05,778 INFO L129 PetriNetUnfolder]: 612/1311 cut-off events. [2020-10-15 23:46:05,779 INFO L130 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2020-10-15 23:46:05,783 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2539 conditions, 1311 events. 612/1311 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 6226 event pairs, 193 based on Foata normal form. 4/1145 useless extension candidates. Maximal degree in co-relation 2530. Up to 893 conditions per place. [2020-10-15 23:46:05,789 INFO L132 encePairwiseOnDemand]: 435/444 looper letters, 59 selfloop transitions, 16 changer transitions 0/95 dead transitions. [2020-10-15 23:46:05,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 95 transitions, 410 flow [2020-10-15 23:46:05,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:46:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-15 23:46:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1560 transitions. [2020-10-15 23:46:05,795 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5855855855855856 [2020-10-15 23:46:05,795 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1560 transitions. [2020-10-15 23:46:05,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1560 transitions. [2020-10-15 23:46:05,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:05,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1560 transitions. [2020-10-15 23:46:05,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-15 23:46:05,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-15 23:46:05,804 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-15 23:46:05,804 INFO L185 Difference]: Start difference. First operand has 67 places, 69 transitions, 194 flow. Second operand 6 states and 1560 transitions. [2020-10-15 23:46:05,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 95 transitions, 410 flow [2020-10-15 23:46:05,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 95 transitions, 410 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-15 23:46:05,808 INFO L241 Difference]: Finished difference. Result has 75 places, 75 transitions, 276 flow [2020-10-15 23:46:05,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=276, PETRI_PLACES=75, PETRI_TRANSITIONS=75} [2020-10-15 23:46:05,808 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 14 predicate places. [2020-10-15 23:46:05,809 INFO L481 AbstractCegarLoop]: Abstraction has has 75 places, 75 transitions, 276 flow [2020-10-15 23:46:05,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:46:05,809 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:05,809 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:05,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 23:46:05,809 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:05,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:05,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1359557988, now seen corresponding path program 2 times [2020-10-15 23:46:05,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:05,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334519001] [2020-10-15 23:46:05,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:06,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334519001] [2020-10-15 23:46:06,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:06,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 23:46:06,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958008858] [2020-10-15 23:46:06,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:46:06,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:06,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:46:06,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:46:06,216 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 444 [2020-10-15 23:46:06,217 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 75 transitions, 276 flow. Second operand 7 states. [2020-10-15 23:46:06,217 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:06,217 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 444 [2020-10-15 23:46:06,218 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:06,463 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-15 23:46:06,757 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-15 23:46:07,594 INFO L129 PetriNetUnfolder]: 621/1334 cut-off events. [2020-10-15 23:46:07,594 INFO L130 PetriNetUnfolder]: For 186/186 co-relation queries the response was YES. [2020-10-15 23:46:07,599 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2708 conditions, 1334 events. 621/1334 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 6334 event pairs, 383 based on Foata normal form. 4/1163 useless extension candidates. Maximal degree in co-relation 2695. Up to 918 conditions per place. [2020-10-15 23:46:07,606 INFO L132 encePairwiseOnDemand]: 437/444 looper letters, 58 selfloop transitions, 13 changer transitions 0/91 dead transitions. [2020-10-15 23:46:07,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 91 transitions, 458 flow [2020-10-15 23:46:07,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:46:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-15 23:46:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1551 transitions. [2020-10-15 23:46:07,611 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5822072072072072 [2020-10-15 23:46:07,611 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1551 transitions. [2020-10-15 23:46:07,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1551 transitions. [2020-10-15 23:46:07,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:07,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1551 transitions. [2020-10-15 23:46:07,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-15 23:46:07,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-15 23:46:07,620 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-15 23:46:07,621 INFO L185 Difference]: Start difference. First operand has 75 places, 75 transitions, 276 flow. Second operand 6 states and 1551 transitions. [2020-10-15 23:46:07,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 91 transitions, 458 flow [2020-10-15 23:46:07,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 91 transitions, 454 flow, removed 2 selfloop flow, removed 0 redundant places. [2020-10-15 23:46:07,628 INFO L241 Difference]: Finished difference. Result has 81 places, 76 transitions, 315 flow [2020-10-15 23:46:07,628 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=315, PETRI_PLACES=81, PETRI_TRANSITIONS=76} [2020-10-15 23:46:07,628 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 20 predicate places. [2020-10-15 23:46:07,628 INFO L481 AbstractCegarLoop]: Abstraction has has 81 places, 76 transitions, 315 flow [2020-10-15 23:46:07,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:46:07,629 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:07,629 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:07,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 23:46:07,629 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:07,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:07,629 INFO L82 PathProgramCache]: Analyzing trace with hash 38534272, now seen corresponding path program 3 times [2020-10-15 23:46:07,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:07,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875769869] [2020-10-15 23:46:07,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:07,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875769869] [2020-10-15 23:46:07,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:07,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 23:46:07,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64344872] [2020-10-15 23:46:07,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 23:46:07,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:07,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 23:46:07,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 23:46:07,992 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 444 [2020-10-15 23:46:07,993 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 76 transitions, 315 flow. Second operand 10 states. [2020-10-15 23:46:07,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:07,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 444 [2020-10-15 23:46:07,994 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:08,706 INFO L129 PetriNetUnfolder]: 640/1388 cut-off events. [2020-10-15 23:46:08,706 INFO L130 PetriNetUnfolder]: For 282/282 co-relation queries the response was YES. [2020-10-15 23:46:08,712 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2865 conditions, 1388 events. 640/1388 cut-off events. For 282/282 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 6909 event pairs, 218 based on Foata normal form. 0/1208 useless extension candidates. Maximal degree in co-relation 2850. Up to 782 conditions per place. [2020-10-15 23:46:08,719 INFO L132 encePairwiseOnDemand]: 434/444 looper letters, 67 selfloop transitions, 16 changer transitions 2/105 dead transitions. [2020-10-15 23:46:08,719 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 105 transitions, 552 flow [2020-10-15 23:46:08,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 23:46:08,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-15 23:46:08,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2216 transitions. [2020-10-15 23:46:08,726 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5545545545545546 [2020-10-15 23:46:08,726 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2216 transitions. [2020-10-15 23:46:08,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2216 transitions. [2020-10-15 23:46:08,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:08,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2216 transitions. [2020-10-15 23:46:08,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-15 23:46:08,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-15 23:46:08,738 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-15 23:46:08,738 INFO L185 Difference]: Start difference. First operand has 81 places, 76 transitions, 315 flow. Second operand 9 states and 2216 transitions. [2020-10-15 23:46:08,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 105 transitions, 552 flow [2020-10-15 23:46:08,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 105 transitions, 526 flow, removed 1 selfloop flow, removed 5 redundant places. [2020-10-15 23:46:08,744 INFO L241 Difference]: Finished difference. Result has 87 places, 81 transitions, 350 flow [2020-10-15 23:46:08,744 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=350, PETRI_PLACES=87, PETRI_TRANSITIONS=81} [2020-10-15 23:46:08,745 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 26 predicate places. [2020-10-15 23:46:08,745 INFO L481 AbstractCegarLoop]: Abstraction has has 87 places, 81 transitions, 350 flow [2020-10-15 23:46:08,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 23:46:08,745 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:08,745 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:08,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 23:46:08,745 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:08,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:08,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1595971690, now seen corresponding path program 1 times [2020-10-15 23:46:08,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:08,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910828208] [2020-10-15 23:46:08,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:09,180 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-10-15 23:46:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:09,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910828208] [2020-10-15 23:46:09,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:09,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 23:46:09,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304466298] [2020-10-15 23:46:09,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 23:46:09,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:09,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 23:46:09,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-15 23:46:09,448 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 444 [2020-10-15 23:46:09,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 81 transitions, 350 flow. Second operand 10 states. [2020-10-15 23:46:09,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:09,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 444 [2020-10-15 23:46:09,450 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:09,737 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-10-15 23:46:10,413 INFO L129 PetriNetUnfolder]: 641/1401 cut-off events. [2020-10-15 23:46:10,413 INFO L130 PetriNetUnfolder]: For 323/323 co-relation queries the response was YES. [2020-10-15 23:46:10,419 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2946 conditions, 1401 events. 641/1401 cut-off events. For 323/323 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 6990 event pairs, 438 based on Foata normal form. 0/1213 useless extension candidates. Maximal degree in co-relation 2929. Up to 1049 conditions per place. [2020-10-15 23:46:10,426 INFO L132 encePairwiseOnDemand]: 432/444 looper letters, 56 selfloop transitions, 18 changer transitions 0/94 dead transitions. [2020-10-15 23:46:10,426 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 94 transitions, 548 flow [2020-10-15 23:46:10,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 23:46:10,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-15 23:46:10,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2473 transitions. [2020-10-15 23:46:10,434 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.556981981981982 [2020-10-15 23:46:10,434 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2473 transitions. [2020-10-15 23:46:10,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2473 transitions. [2020-10-15 23:46:10,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:10,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2473 transitions. [2020-10-15 23:46:10,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-15 23:46:10,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-15 23:46:10,447 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-15 23:46:10,447 INFO L185 Difference]: Start difference. First operand has 87 places, 81 transitions, 350 flow. Second operand 10 states and 2473 transitions. [2020-10-15 23:46:10,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 94 transitions, 548 flow [2020-10-15 23:46:10,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 94 transitions, 534 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-15 23:46:10,452 INFO L241 Difference]: Finished difference. Result has 97 places, 90 transitions, 440 flow [2020-10-15 23:46:10,452 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=440, PETRI_PLACES=97, PETRI_TRANSITIONS=90} [2020-10-15 23:46:10,452 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 36 predicate places. [2020-10-15 23:46:10,452 INFO L481 AbstractCegarLoop]: Abstraction has has 97 places, 90 transitions, 440 flow [2020-10-15 23:46:10,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 23:46:10,452 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:10,453 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:10,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 23:46:10,453 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:10,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:10,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1042426993, now seen corresponding path program 1 times [2020-10-15 23:46:10,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:10,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93699383] [2020-10-15 23:46:10,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:10,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93699383] [2020-10-15 23:46:10,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:10,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 23:46:10,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565499130] [2020-10-15 23:46:10,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 23:46:10,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:10,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 23:46:10,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 23:46:10,785 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 444 [2020-10-15 23:46:10,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 90 transitions, 440 flow. Second operand 11 states. [2020-10-15 23:46:10,787 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:10,787 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 444 [2020-10-15 23:46:10,787 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:11,631 INFO L129 PetriNetUnfolder]: 623/1361 cut-off events. [2020-10-15 23:46:11,631 INFO L130 PetriNetUnfolder]: For 330/330 co-relation queries the response was YES. [2020-10-15 23:46:11,638 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2924 conditions, 1361 events. 623/1361 cut-off events. For 330/330 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 6634 event pairs, 220 based on Foata normal form. 8/1191 useless extension candidates. Maximal degree in co-relation 2902. Up to 826 conditions per place. [2020-10-15 23:46:11,645 INFO L132 encePairwiseOnDemand]: 431/444 looper letters, 58 selfloop transitions, 27 changer transitions 7/112 dead transitions. [2020-10-15 23:46:11,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 112 transitions, 662 flow [2020-10-15 23:46:11,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 23:46:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-15 23:46:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2418 transitions. [2020-10-15 23:46:11,653 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5445945945945946 [2020-10-15 23:46:11,653 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2418 transitions. [2020-10-15 23:46:11,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2418 transitions. [2020-10-15 23:46:11,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:11,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2418 transitions. [2020-10-15 23:46:11,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-15 23:46:11,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-15 23:46:11,665 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-15 23:46:11,665 INFO L185 Difference]: Start difference. First operand has 97 places, 90 transitions, 440 flow. Second operand 10 states and 2418 transitions. [2020-10-15 23:46:11,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 112 transitions, 662 flow [2020-10-15 23:46:11,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 112 transitions, 608 flow, removed 17 selfloop flow, removed 8 redundant places. [2020-10-15 23:46:11,671 INFO L241 Difference]: Finished difference. Result has 97 places, 87 transitions, 452 flow [2020-10-15 23:46:11,671 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=452, PETRI_PLACES=97, PETRI_TRANSITIONS=87} [2020-10-15 23:46:11,671 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 36 predicate places. [2020-10-15 23:46:11,672 INFO L481 AbstractCegarLoop]: Abstraction has has 97 places, 87 transitions, 452 flow [2020-10-15 23:46:11,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 23:46:11,672 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:11,672 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:11,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 23:46:11,673 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:11,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:11,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1974303803, now seen corresponding path program 2 times [2020-10-15 23:46:11,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:11,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773864574] [2020-10-15 23:46:11,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:12,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773864574] [2020-10-15 23:46:12,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:12,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 23:46:12,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324233755] [2020-10-15 23:46:12,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 23:46:12,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:12,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 23:46:12,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 23:46:12,019 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 444 [2020-10-15 23:46:12,021 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 87 transitions, 452 flow. Second operand 11 states. [2020-10-15 23:46:12,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:12,021 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 444 [2020-10-15 23:46:12,021 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:12,782 INFO L129 PetriNetUnfolder]: 639/1418 cut-off events. [2020-10-15 23:46:12,782 INFO L130 PetriNetUnfolder]: For 352/352 co-relation queries the response was YES. [2020-10-15 23:46:12,791 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3092 conditions, 1418 events. 639/1418 cut-off events. For 352/352 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 7122 event pairs, 208 based on Foata normal form. 0/1233 useless extension candidates. Maximal degree in co-relation 3070. Up to 786 conditions per place. [2020-10-15 23:46:12,797 INFO L132 encePairwiseOnDemand]: 432/444 looper letters, 59 selfloop transitions, 31 changer transitions 6/116 dead transitions. [2020-10-15 23:46:12,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 116 transitions, 724 flow [2020-10-15 23:46:12,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 23:46:12,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-15 23:46:12,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2418 transitions. [2020-10-15 23:46:12,805 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5445945945945946 [2020-10-15 23:46:12,805 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2418 transitions. [2020-10-15 23:46:12,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2418 transitions. [2020-10-15 23:46:12,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:12,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2418 transitions. [2020-10-15 23:46:12,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-15 23:46:12,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-15 23:46:12,816 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-15 23:46:12,817 INFO L185 Difference]: Start difference. First operand has 97 places, 87 transitions, 452 flow. Second operand 10 states and 2418 transitions. [2020-10-15 23:46:12,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 116 transitions, 724 flow [2020-10-15 23:46:12,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 116 transitions, 676 flow, removed 8 selfloop flow, removed 6 redundant places. [2020-10-15 23:46:12,823 INFO L241 Difference]: Finished difference. Result has 102 places, 90 transitions, 512 flow [2020-10-15 23:46:12,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=512, PETRI_PLACES=102, PETRI_TRANSITIONS=90} [2020-10-15 23:46:12,824 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 41 predicate places. [2020-10-15 23:46:12,824 INFO L481 AbstractCegarLoop]: Abstraction has has 102 places, 90 transitions, 512 flow [2020-10-15 23:46:12,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 23:46:12,824 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:12,825 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:12,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 23:46:12,825 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:12,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:12,825 INFO L82 PathProgramCache]: Analyzing trace with hash 2064397553, now seen corresponding path program 3 times [2020-10-15 23:46:12,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:12,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150129381] [2020-10-15 23:46:12,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:17,966 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2020-10-15 23:46:18,297 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-10-15 23:46:18,614 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 50 [2020-10-15 23:46:18,916 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 53 [2020-10-15 23:46:19,624 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-10-15 23:46:20,360 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 55 [2020-10-15 23:46:21,175 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2020-10-15 23:46:22,015 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-10-15 23:46:22,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:22,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150129381] [2020-10-15 23:46:22,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:22,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 23:46:22,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830445131] [2020-10-15 23:46:22,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 23:46:22,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:22,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 23:46:22,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-15 23:46:22,172 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 444 [2020-10-15 23:46:22,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 90 transitions, 512 flow. Second operand 12 states. [2020-10-15 23:46:22,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:22,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 444 [2020-10-15 23:46:22,174 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:22,814 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 43 [2020-10-15 23:46:24,198 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-15 23:46:28,441 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 128 [2020-10-15 23:46:32,861 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 139 [2020-10-15 23:46:45,083 INFO L129 PetriNetUnfolder]: 638/1421 cut-off events. [2020-10-15 23:46:45,084 INFO L130 PetriNetUnfolder]: For 430/430 co-relation queries the response was YES. [2020-10-15 23:46:45,090 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3143 conditions, 1421 events. 638/1421 cut-off events. For 430/430 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 7140 event pairs, 203 based on Foata normal form. 0/1238 useless extension candidates. Maximal degree in co-relation 3119. Up to 786 conditions per place. [2020-10-15 23:46:45,097 INFO L132 encePairwiseOnDemand]: 432/444 looper letters, 58 selfloop transitions, 33 changer transitions 7/117 dead transitions. [2020-10-15 23:46:45,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 117 transitions, 776 flow [2020-10-15 23:46:45,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 23:46:45,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-15 23:46:45,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2651 transitions. [2020-10-15 23:46:45,105 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5427927927927928 [2020-10-15 23:46:45,105 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2651 transitions. [2020-10-15 23:46:45,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2651 transitions. [2020-10-15 23:46:45,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:45,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2651 transitions. [2020-10-15 23:46:45,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-15 23:46:45,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-15 23:46:45,117 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-15 23:46:45,117 INFO L185 Difference]: Start difference. First operand has 102 places, 90 transitions, 512 flow. Second operand 11 states and 2651 transitions. [2020-10-15 23:46:45,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 117 transitions, 776 flow [2020-10-15 23:46:45,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 117 transitions, 736 flow, removed 1 selfloop flow, removed 7 redundant places. [2020-10-15 23:46:45,124 INFO L241 Difference]: Finished difference. Result has 103 places, 88 transitions, 530 flow [2020-10-15 23:46:45,124 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=530, PETRI_PLACES=103, PETRI_TRANSITIONS=88} [2020-10-15 23:46:45,124 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 42 predicate places. [2020-10-15 23:46:45,124 INFO L481 AbstractCegarLoop]: Abstraction has has 103 places, 88 transitions, 530 flow [2020-10-15 23:46:45,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 23:46:45,125 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:45,125 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:45,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 23:46:45,125 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:45,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:45,125 INFO L82 PathProgramCache]: Analyzing trace with hash 155775432, now seen corresponding path program 1 times [2020-10-15 23:46:45,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:45,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857216148] [2020-10-15 23:46:45,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:45,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:45,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857216148] [2020-10-15 23:46:45,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:45,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:46:45,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27314604] [2020-10-15 23:46:45,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:46:45,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:45,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:46:45,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:46:45,160 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 384 out of 444 [2020-10-15 23:46:45,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 88 transitions, 530 flow. Second operand 3 states. [2020-10-15 23:46:45,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:45,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 384 of 444 [2020-10-15 23:46:45,161 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:45,227 INFO L129 PetriNetUnfolder]: 53/323 cut-off events. [2020-10-15 23:46:45,227 INFO L130 PetriNetUnfolder]: For 147/149 co-relation queries the response was YES. [2020-10-15 23:46:45,229 INFO L80 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 323 events. 53/323 cut-off events. For 147/149 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1482 event pairs, 4 based on Foata normal form. 35/324 useless extension candidates. Maximal degree in co-relation 631. Up to 54 conditions per place. [2020-10-15 23:46:45,230 INFO L132 encePairwiseOnDemand]: 436/444 looper letters, 1 selfloop transitions, 9 changer transitions 0/88 dead transitions. [2020-10-15 23:46:45,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 88 transitions, 550 flow [2020-10-15 23:46:45,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:46:45,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:46:45,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2020-10-15 23:46:45,235 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8753753753753754 [2020-10-15 23:46:45,235 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2020-10-15 23:46:45,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2020-10-15 23:46:45,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:45,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2020-10-15 23:46:45,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:46:45,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:46:45,241 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:46:45,241 INFO L185 Difference]: Start difference. First operand has 103 places, 88 transitions, 530 flow. Second operand 3 states and 1166 transitions. [2020-10-15 23:46:45,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 88 transitions, 550 flow [2020-10-15 23:46:45,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 88 transitions, 499 flow, removed 0 selfloop flow, removed 9 redundant places. [2020-10-15 23:46:45,246 INFO L241 Difference]: Finished difference. Result has 96 places, 88 transitions, 497 flow [2020-10-15 23:46:45,246 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=96, PETRI_TRANSITIONS=88} [2020-10-15 23:46:45,246 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 35 predicate places. [2020-10-15 23:46:45,246 INFO L481 AbstractCegarLoop]: Abstraction has has 96 places, 88 transitions, 497 flow [2020-10-15 23:46:45,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:46:45,247 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:45,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:45,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 23:46:45,247 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:45,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:45,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1074339694, now seen corresponding path program 1 times [2020-10-15 23:46:45,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:45,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809980692] [2020-10-15 23:46:45,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:45,504 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2020-10-15 23:46:45,807 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2020-10-15 23:46:46,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:46,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809980692] [2020-10-15 23:46:46,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:46,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 23:46:46,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674184392] [2020-10-15 23:46:46,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 23:46:46,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:46,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 23:46:46,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-15 23:46:46,220 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 444 [2020-10-15 23:46:46,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 88 transitions, 497 flow. Second operand 13 states. [2020-10-15 23:46:46,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:46,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 444 [2020-10-15 23:46:46,222 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:46,493 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-10-15 23:46:47,454 INFO L129 PetriNetUnfolder]: 344/902 cut-off events. [2020-10-15 23:46:47,455 INFO L130 PetriNetUnfolder]: For 339/339 co-relation queries the response was YES. [2020-10-15 23:46:47,459 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2228 conditions, 902 events. 344/902 cut-off events. For 339/339 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4716 event pairs, 44 based on Foata normal form. 0/822 useless extension candidates. Maximal degree in co-relation 2204. Up to 248 conditions per place. [2020-10-15 23:46:47,463 INFO L132 encePairwiseOnDemand]: 433/444 looper letters, 71 selfloop transitions, 25 changer transitions 8/123 dead transitions. [2020-10-15 23:46:47,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 123 transitions, 794 flow [2020-10-15 23:46:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 23:46:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-15 23:46:47,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2744 transitions. [2020-10-15 23:46:47,472 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5618345618345618 [2020-10-15 23:46:47,472 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2744 transitions. [2020-10-15 23:46:47,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2744 transitions. [2020-10-15 23:46:47,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:47,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2744 transitions. [2020-10-15 23:46:47,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-15 23:46:47,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-15 23:46:47,485 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-15 23:46:47,485 INFO L185 Difference]: Start difference. First operand has 96 places, 88 transitions, 497 flow. Second operand 11 states and 2744 transitions. [2020-10-15 23:46:47,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 123 transitions, 794 flow [2020-10-15 23:46:47,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 123 transitions, 785 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-15 23:46:47,491 INFO L241 Difference]: Finished difference. Result has 107 places, 90 transitions, 557 flow [2020-10-15 23:46:47,491 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=557, PETRI_PLACES=107, PETRI_TRANSITIONS=90} [2020-10-15 23:46:47,491 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 46 predicate places. [2020-10-15 23:46:47,491 INFO L481 AbstractCegarLoop]: Abstraction has has 107 places, 90 transitions, 557 flow [2020-10-15 23:46:47,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 23:46:47,492 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:47,492 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:47,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 23:46:47,492 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:47,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:47,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1244711936, now seen corresponding path program 1 times [2020-10-15 23:46:47,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:47,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002451105] [2020-10-15 23:46:47,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:48,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002451105] [2020-10-15 23:46:48,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:48,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 23:46:48,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594153570] [2020-10-15 23:46:48,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 23:46:48,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:48,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 23:46:48,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-10-15 23:46:48,472 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 444 [2020-10-15 23:46:48,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 90 transitions, 557 flow. Second operand 17 states. [2020-10-15 23:46:48,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:48,475 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 444 [2020-10-15 23:46:48,475 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:49,730 INFO L129 PetriNetUnfolder]: 393/1061 cut-off events. [2020-10-15 23:46:49,730 INFO L130 PetriNetUnfolder]: For 564/564 co-relation queries the response was YES. [2020-10-15 23:46:49,735 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2576 conditions, 1061 events. 393/1061 cut-off events. For 564/564 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 5662 event pairs, 41 based on Foata normal form. 3/971 useless extension candidates. Maximal degree in co-relation 2549. Up to 226 conditions per place. [2020-10-15 23:46:49,739 INFO L132 encePairwiseOnDemand]: 428/444 looper letters, 82 selfloop transitions, 33 changer transitions 8/142 dead transitions. [2020-10-15 23:46:49,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 142 transitions, 936 flow [2020-10-15 23:46:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 23:46:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-15 23:46:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3363 transitions. [2020-10-15 23:46:49,751 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.541023166023166 [2020-10-15 23:46:49,751 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 3363 transitions. [2020-10-15 23:46:49,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 3363 transitions. [2020-10-15 23:46:49,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:49,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 3363 transitions. [2020-10-15 23:46:49,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-15 23:46:49,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-15 23:46:49,766 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-15 23:46:49,767 INFO L185 Difference]: Start difference. First operand has 107 places, 90 transitions, 557 flow. Second operand 14 states and 3363 transitions. [2020-10-15 23:46:49,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 142 transitions, 936 flow [2020-10-15 23:46:49,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 142 transitions, 885 flow, removed 0 selfloop flow, removed 8 redundant places. [2020-10-15 23:46:49,774 INFO L241 Difference]: Finished difference. Result has 115 places, 95 transitions, 610 flow [2020-10-15 23:46:49,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=610, PETRI_PLACES=115, PETRI_TRANSITIONS=95} [2020-10-15 23:46:49,775 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 54 predicate places. [2020-10-15 23:46:49,775 INFO L481 AbstractCegarLoop]: Abstraction has has 115 places, 95 transitions, 610 flow [2020-10-15 23:46:49,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 23:46:49,775 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:49,775 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:49,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 23:46:49,775 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:49,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:49,776 INFO L82 PathProgramCache]: Analyzing trace with hash -2083929247, now seen corresponding path program 1 times [2020-10-15 23:46:49,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:49,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317543786] [2020-10-15 23:46:49,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:50,144 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 38 [2020-10-15 23:46:50,368 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 37 [2020-10-15 23:46:50,597 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 30 [2020-10-15 23:46:51,075 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2020-10-15 23:46:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:51,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317543786] [2020-10-15 23:46:51,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:51,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-15 23:46:51,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456649654] [2020-10-15 23:46:51,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 23:46:51,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:51,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 23:46:51,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2020-10-15 23:46:51,834 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 444 [2020-10-15 23:46:51,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 95 transitions, 610 flow. Second operand 21 states. [2020-10-15 23:46:51,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:51,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 444 [2020-10-15 23:46:51,836 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:56,178 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-10-15 23:46:56,521 INFO L129 PetriNetUnfolder]: 1583/3119 cut-off events. [2020-10-15 23:46:56,521 INFO L130 PetriNetUnfolder]: For 1528/1530 co-relation queries the response was YES. [2020-10-15 23:46:56,528 INFO L80 FinitePrefix]: Finished finitePrefix Result has 7898 conditions, 3119 events. 1583/3119 cut-off events. For 1528/1530 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 16462 event pairs, 566 based on Foata normal form. 79/3010 useless extension candidates. Maximal degree in co-relation 7868. Up to 1554 conditions per place. [2020-10-15 23:46:56,537 INFO L132 encePairwiseOnDemand]: 419/444 looper letters, 163 selfloop transitions, 65 changer transitions 41/276 dead transitions. [2020-10-15 23:46:56,537 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 276 transitions, 1754 flow [2020-10-15 23:46:56,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-15 23:46:56,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-15 23:46:56,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4825 transitions. [2020-10-15 23:46:56,545 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.41796604296604295 [2020-10-15 23:46:56,545 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4825 transitions. [2020-10-15 23:46:56,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4825 transitions. [2020-10-15 23:46:56,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:56,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4825 transitions. [2020-10-15 23:46:56,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 27 states. [2020-10-15 23:46:56,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 27 states. [2020-10-15 23:46:56,563 INFO L81 ComplementDD]: Finished complementDD. Result 27 states. [2020-10-15 23:46:56,563 INFO L185 Difference]: Start difference. First operand has 115 places, 95 transitions, 610 flow. Second operand 26 states and 4825 transitions. [2020-10-15 23:46:56,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 276 transitions, 1754 flow [2020-10-15 23:46:56,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 276 transitions, 1665 flow, removed 5 selfloop flow, removed 10 redundant places. [2020-10-15 23:46:56,577 INFO L241 Difference]: Finished difference. Result has 145 places, 139 transitions, 1018 flow [2020-10-15 23:46:56,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=1018, PETRI_PLACES=145, PETRI_TRANSITIONS=139} [2020-10-15 23:46:56,578 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 84 predicate places. [2020-10-15 23:46:56,578 INFO L481 AbstractCegarLoop]: Abstraction has has 145 places, 139 transitions, 1018 flow [2020-10-15 23:46:56,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-15 23:46:56,578 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:56,578 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:56,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 23:46:56,579 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:56,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:56,579 INFO L82 PathProgramCache]: Analyzing trace with hash -210661899, now seen corresponding path program 2 times [2020-10-15 23:46:56,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:56,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106584578] [2020-10-15 23:46:56,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:57,025 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 34 [2020-10-15 23:46:57,243 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 35 [2020-10-15 23:46:57,377 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2020-10-15 23:46:57,543 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 31 [2020-10-15 23:46:57,732 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 34 [2020-10-15 23:46:57,898 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-10-15 23:46:58,028 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2020-10-15 23:46:58,173 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2020-10-15 23:46:58,378 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 32 [2020-10-15 23:46:58,649 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 41 [2020-10-15 23:46:58,914 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 29 [2020-10-15 23:46:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:59,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106584578] [2020-10-15 23:46:59,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:59,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-15 23:46:59,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464071097] [2020-10-15 23:46:59,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 23:46:59,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:59,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 23:46:59,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2020-10-15 23:46:59,731 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 444 [2020-10-15 23:46:59,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 139 transitions, 1018 flow. Second operand 21 states. [2020-10-15 23:46:59,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:59,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 444 [2020-10-15 23:46:59,732 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:47:03,373 INFO L129 PetriNetUnfolder]: 1650/3217 cut-off events. [2020-10-15 23:47:03,373 INFO L130 PetriNetUnfolder]: For 13572/13576 co-relation queries the response was YES. [2020-10-15 23:47:03,384 INFO L80 FinitePrefix]: Finished finitePrefix Result has 11675 conditions, 3217 events. 1650/3217 cut-off events. For 13572/13576 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 16580 event pairs, 636 based on Foata normal form. 103/3129 useless extension candidates. Maximal degree in co-relation 11630. Up to 2325 conditions per place. [2020-10-15 23:47:03,395 INFO L132 encePairwiseOnDemand]: 423/444 looper letters, 178 selfloop transitions, 58 changer transitions 19/262 dead transitions. [2020-10-15 23:47:03,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 262 transitions, 2218 flow [2020-10-15 23:47:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-15 23:47:03,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-15 23:47:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 4407 transitions. [2020-10-15 23:47:03,401 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.41356981981981983 [2020-10-15 23:47:03,402 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 4407 transitions. [2020-10-15 23:47:03,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 4407 transitions. [2020-10-15 23:47:03,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:47:03,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 4407 transitions. [2020-10-15 23:47:03,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 25 states. [2020-10-15 23:47:03,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 25 states. [2020-10-15 23:47:03,410 INFO L81 ComplementDD]: Finished complementDD. Result 25 states. [2020-10-15 23:47:03,411 INFO L185 Difference]: Start difference. First operand has 145 places, 139 transitions, 1018 flow. Second operand 24 states and 4407 transitions. [2020-10-15 23:47:03,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 262 transitions, 2218 flow [2020-10-15 23:47:03,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 262 transitions, 2140 flow, removed 7 selfloop flow, removed 5 redundant places. [2020-10-15 23:47:03,450 INFO L241 Difference]: Finished difference. Result has 177 places, 177 transitions, 1503 flow [2020-10-15 23:47:03,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=958, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1503, PETRI_PLACES=177, PETRI_TRANSITIONS=177} [2020-10-15 23:47:03,450 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 116 predicate places. [2020-10-15 23:47:03,450 INFO L481 AbstractCegarLoop]: Abstraction has has 177 places, 177 transitions, 1503 flow [2020-10-15 23:47:03,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-15 23:47:03,451 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:47:03,451 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:47:03,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 23:47:03,451 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:47:03,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:47:03,451 INFO L82 PathProgramCache]: Analyzing trace with hash 420364359, now seen corresponding path program 3 times [2020-10-15 23:47:03,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:47:03,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97732456] [2020-10-15 23:47:03,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:47:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-10-15 23:58:47,002 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,006 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,007 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,008 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,009 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,011 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,012 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,012 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,013 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,013 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,014 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,014 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,015 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,015 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 23:58:47,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 23:58:47,018 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-15 23:58:47,021 WARN L235 ceAbstractionStarter]: Timeout [2020-10-15 23:58:47,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 11:58:47 BasicIcfg [2020-10-15 23:58:47,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 23:58:47,023 INFO L168 Benchmark]: Toolchain (without parser) took 775962.49 ms. Allocated memory was 248.5 MB in the beginning and 7.3 GB in the end (delta: 7.1 GB). Free memory was 203.7 MB in the beginning and 4.7 GB in the end (delta: -4.5 GB). Peak memory consumption was 6.9 GB. Max. memory is 14.2 GB. [2020-10-15 23:58:47,024 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 23:58:47,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 982.98 ms. Allocated memory was 248.5 MB in the beginning and 312.5 MB in the end (delta: 64.0 MB). Free memory was 203.7 MB in the beginning and 240.4 MB in the end (delta: -36.8 MB). Peak memory consumption was 37.2 MB. Max. memory is 14.2 GB. [2020-10-15 23:58:47,025 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.73 ms. Allocated memory is still 312.5 MB. Free memory was 240.4 MB in the beginning and 235.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. [2020-10-15 23:58:47,025 INFO L168 Benchmark]: Boogie Preprocessor took 44.07 ms. Allocated memory is still 312.5 MB. Free memory was 235.4 MB in the beginning and 232.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 23:58:47,026 INFO L168 Benchmark]: RCFGBuilder took 656.55 ms. Allocated memory is still 312.5 MB. Free memory was 232.9 MB in the beginning and 185.4 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 14.2 GB. [2020-10-15 23:58:47,026 INFO L168 Benchmark]: TraceAbstraction took 774206.09 ms. Allocated memory was 312.5 MB in the beginning and 7.3 GB in the end (delta: 7.0 GB). Free memory was 185.4 MB in the beginning and 4.7 GB in the end (delta: -4.5 GB). Peak memory consumption was 6.8 GB. Max. memory is 14.2 GB. [2020-10-15 23:58:47,031 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 982.98 ms. Allocated memory was 248.5 MB in the beginning and 312.5 MB in the end (delta: 64.0 MB). Free memory was 203.7 MB in the beginning and 240.4 MB in the end (delta: -36.8 MB). Peak memory consumption was 37.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 63.73 ms. Allocated memory is still 312.5 MB. Free memory was 240.4 MB in the beginning and 235.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 44.07 ms. Allocated memory is still 312.5 MB. Free memory was 235.4 MB in the beginning and 232.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 656.55 ms. Allocated memory is still 312.5 MB. Free memory was 232.9 MB in the beginning and 185.4 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 774206.09 ms. Allocated memory was 312.5 MB in the beginning and 7.3 GB in the end (delta: 7.0 GB). Free memory was 185.4 MB in the beginning and 4.7 GB in the end (delta: -4.5 GB). Peak memory consumption was 6.8 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9995 VarBasedMoverChecksPositive, 220 VarBasedMoverChecksNegative, 46 SemBasedMoverChecksPositive, 174 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 713 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 9.6s, 223 PlacesBefore, 61 PlacesAfterwards, 232 TransitionsBefore, 66 TransitionsAfterwards, 14896 CoEnabledTransitionPairs, 8 FixpointIterations, 56 TrivialSequentialCompositions, 115 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 24 ConcurrentYvCompositions, 4 ChoiceCompositions, 200 TotalNumberOfCompositions, 34728 MoverChecksTotal - TimeoutResultAtElement [Line: 1040]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1040). Cancelled while CegarLoopForPetriNet was analyzing trace of length 39 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 37 interpolants. - TimeoutResultAtElement [Line: 1013]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1013). Cancelled while CegarLoopForPetriNet was analyzing trace of length 39 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 37 interpolants. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1024). Cancelled while CegarLoopForPetriNet was analyzing trace of length 39 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 37 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 228 locations, 3 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: 773.9s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 40.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.8s, HoareTripleCheckerStatistics: 319 SDtfs, 660 SDslu, 561 SDs, 0 SdLazy, 7351 SolverSat, 224 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 26 SyntacticMatches, 13 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 25.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1503occurred in iteration=16, 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: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 18.8s InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 339961 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 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