/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:48:14,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-19 14:48:14,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-19 14:48:14,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-19 14:48:14,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-19 14:48:14,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-19 14:48:14,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-19 14:48:14,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-19 14:48:14,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-19 14:48:14,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-19 14:48:14,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-19 14:48:14,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-19 14:48:14,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-19 14:48:14,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-19 14:48:14,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-19 14:48:14,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-19 14:48:14,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-19 14:48:14,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-19 14:48:14,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-19 14:48:14,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-19 14:48:14,774 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-NoLbe.epf [2021-10-19 14:48:14,786 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:48:14,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:48:14,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:48:14,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:48:14,788 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:48:14,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:48:14,788 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:48:14,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:48:14,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:48:14,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:48:14,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:48:14,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:48:14,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:48:14,789 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:48:14,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:48:14,789 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:48:14,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:48:14,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:48:14,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:48:14,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:48:14,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:48:14,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:48:14,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:48:14,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:48:14,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:48:14,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:48:14,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:48:14,791 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:48:14,791 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-19 14:48:14,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:48:14,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:48:14,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:48:14,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:48:14,942 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:48:14,942 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:48:14,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i [2021-10-19 14:48:14,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fee35c2f/ff77ded1408a49c8bfddb853788896d2/FLAGca993c956 [2021-10-19 14:48:15,419 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:48:15,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i [2021-10-19 14:48:15,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fee35c2f/ff77ded1408a49c8bfddb853788896d2/FLAGca993c956 [2021-10-19 14:48:15,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fee35c2f/ff77ded1408a49c8bfddb853788896d2 [2021-10-19 14:48:15,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:48:15,449 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:48:15,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:48:15,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:48:15,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:48:15,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:48:15" (1/1) ... [2021-10-19 14:48:15,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c003fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15, skipping insertion in model container [2021-10-19 14:48:15,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:48:15" (1/1) ... [2021-10-19 14:48:15,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:48:15,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:48:15,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:48:15,836 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:48:15,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:48:15,928 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:48:15,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15 WrapperNode [2021-10-19 14:48:15,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:48:15,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:48:15,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:48:15,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:48:15,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15" (1/1) ... [2021-10-19 14:48:15,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15" (1/1) ... [2021-10-19 14:48:15,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:48:15,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:48:15,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:48:15,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:48:15,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15" (1/1) ... [2021-10-19 14:48:15,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15" (1/1) ... [2021-10-19 14:48:15,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15" (1/1) ... [2021-10-19 14:48:15,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15" (1/1) ... [2021-10-19 14:48:16,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15" (1/1) ... [2021-10-19 14:48:16,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15" (1/1) ... [2021-10-19 14:48:16,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15" (1/1) ... [2021-10-19 14:48:16,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:48:16,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:48:16,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:48:16,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:48:16,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15" (1/1) ... [2021-10-19 14:48:16,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:48:16,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:48:16,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-19 14:48:16,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-19 14:48:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:48:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-19 14:48:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:48:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:48:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:48:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-19 14:48:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-19 14:48:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-19 14:48:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-19 14:48:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-19 14:48:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:48:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:48:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:48:16,061 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:48:16,405 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:48:16,405 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-19 14:48:16,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:48:16 BoogieIcfgContainer [2021-10-19 14:48:16,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:48:16,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:48:16,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:48:16,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:48:16,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:48:15" (1/3) ... [2021-10-19 14:48:16,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197b5bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:48:16, skipping insertion in model container [2021-10-19 14:48:16,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:15" (2/3) ... [2021-10-19 14:48:16,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197b5bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:48:16, skipping insertion in model container [2021-10-19 14:48:16,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:48:16" (3/3) ... [2021-10-19 14:48:16,418 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2021-10-19 14:48:16,421 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:48:16,421 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-10-19 14:48:16,421 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:48:16,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,450 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,451 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,451 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,451 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,452 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,452 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,455 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,455 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,456 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,456 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,457 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,457 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,457 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,457 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,457 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,457 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,458 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,458 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,458 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,458 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,458 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,458 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,458 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,459 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,459 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,459 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,459 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,459 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,459 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,459 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,459 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,459 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,459 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,459 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,460 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,460 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,460 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,461 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,461 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,461 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,461 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,461 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,461 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,462 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,462 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,462 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,462 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,462 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,462 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,463 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,463 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,464 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,464 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,466 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,466 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,470 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,470 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,470 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,470 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,471 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,471 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,471 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,471 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,471 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,471 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,471 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,473 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,473 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,473 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,474 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,474 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,474 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,474 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,474 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,475 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,476 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,476 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,477 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,477 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,477 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,477 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,477 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,478 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,478 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,478 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,478 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,478 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,478 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,478 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,482 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,501 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,501 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,502 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,502 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,502 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,502 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,502 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,502 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,503 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:16,513 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-19 14:48:16,545 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:48:16,550 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-19 14:48:16,550 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-10-19 14:48:16,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 198 transitions, 401 flow [2021-10-19 14:48:16,615 INFO L129 PetriNetUnfolder]: 0/197 cut-off events. [2021-10-19 14:48:16,616 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:48:16,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 197 events. 0/197 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-10-19 14:48:16,617 INFO L82 GeneralOperation]: Start removeDead. Operand has 202 places, 198 transitions, 401 flow [2021-10-19 14:48:16,621 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 201 places, 197 transitions, 397 flow [2021-10-19 14:48:16,626 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-10-19 14:48:16,626 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:48:16,626 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:16,627 INFO L254 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, 1, 1, 1] [2021-10-19 14:48:16,627 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:16,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:16,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1136354593, now seen corresponding path program 1 times [2021-10-19 14:48:16,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:16,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464830565] [2021-10-19 14:48:16,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:16,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:16,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:16,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:16,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464830565] [2021-10-19 14:48:16,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464830565] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:16,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:16,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:16,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427333676] [2021-10-19 14:48:16,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:16,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:16,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:16,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:16,894 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 198 [2021-10-19 14:48:16,897 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 197 transitions, 397 flow. Second operand has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:16,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:16,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 198 [2021-10-19 14:48:16,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:17,253 INFO L129 PetriNetUnfolder]: 360/1248 cut-off events. [2021-10-19 14:48:17,253 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:48:17,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2055 conditions, 1248 events. 360/1248 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6467 event pairs, 360 based on Foata normal form. 0/1078 useless extension candidates. Maximal degree in co-relation 1911. Up to 793 conditions per place. [2021-10-19 14:48:17,264 INFO L132 encePairwiseOnDemand]: 186/198 looper letters, 72 selfloop transitions, 10 changer transitions 0/195 dead transitions. [2021-10-19 14:48:17,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 195 transitions, 557 flow [2021-10-19 14:48:17,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:17,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 768 transitions. [2021-10-19 14:48:17,279 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6464646464646465 [2021-10-19 14:48:17,279 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 768 transitions. [2021-10-19 14:48:17,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 768 transitions. [2021-10-19 14:48:17,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:17,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 768 transitions. [2021-10-19 14:48:17,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.0) internal successors, (768), 6 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,295 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,296 INFO L186 Difference]: Start difference. First operand has 201 places, 197 transitions, 397 flow. Second operand 6 states and 768 transitions. [2021-10-19 14:48:17,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 195 transitions, 557 flow [2021-10-19 14:48:17,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 195 transitions, 556 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:48:17,303 INFO L242 Difference]: Finished difference. Result has 203 places, 195 transitions, 412 flow [2021-10-19 14:48:17,305 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=412, PETRI_PLACES=203, PETRI_TRANSITIONS=195} [2021-10-19 14:48:17,305 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 2 predicate places. [2021-10-19 14:48:17,306 INFO L470 AbstractCegarLoop]: Abstraction has has 203 places, 195 transitions, 412 flow [2021-10-19 14:48:17,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,306 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:17,306 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:48:17,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:48:17,307 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:17,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:17,307 INFO L82 PathProgramCache]: Analyzing trace with hash -900700414, now seen corresponding path program 1 times [2021-10-19 14:48:17,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:17,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616747687] [2021-10-19 14:48:17,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:17,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:17,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:17,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616747687] [2021-10-19 14:48:17,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616747687] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:17,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:17,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:17,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753314406] [2021-10-19 14:48:17,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:17,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:17,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:17,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:17,429 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 198 [2021-10-19 14:48:17,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 195 transitions, 412 flow. Second operand has 6 states, 6 states have (on average 116.5) internal successors, (699), 6 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:17,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 198 [2021-10-19 14:48:17,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:17,645 INFO L129 PetriNetUnfolder]: 360/1246 cut-off events. [2021-10-19 14:48:17,647 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-19 14:48:17,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2061 conditions, 1246 events. 360/1246 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6478 event pairs, 360 based on Foata normal form. 0/1078 useless extension candidates. Maximal degree in co-relation 1951. Up to 791 conditions per place. [2021-10-19 14:48:17,652 INFO L132 encePairwiseOnDemand]: 186/198 looper letters, 70 selfloop transitions, 10 changer transitions 0/193 dead transitions. [2021-10-19 14:48:17,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 193 transitions, 568 flow [2021-10-19 14:48:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:17,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 766 transitions. [2021-10-19 14:48:17,654 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6447811447811448 [2021-10-19 14:48:17,655 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 766 transitions. [2021-10-19 14:48:17,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 766 transitions. [2021-10-19 14:48:17,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:17,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 766 transitions. [2021-10-19 14:48:17,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 127.66666666666667) internal successors, (766), 6 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,658 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,658 INFO L186 Difference]: Start difference. First operand has 203 places, 195 transitions, 412 flow. Second operand 6 states and 766 transitions. [2021-10-19 14:48:17,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 193 transitions, 568 flow [2021-10-19 14:48:17,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 193 transitions, 548 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-19 14:48:17,666 INFO L242 Difference]: Finished difference. Result has 201 places, 193 transitions, 408 flow [2021-10-19 14:48:17,666 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=408, PETRI_PLACES=201, PETRI_TRANSITIONS=193} [2021-10-19 14:48:17,667 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 0 predicate places. [2021-10-19 14:48:17,667 INFO L470 AbstractCegarLoop]: Abstraction has has 201 places, 193 transitions, 408 flow [2021-10-19 14:48:17,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 116.5) internal successors, (699), 6 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,667 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:17,667 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:48:17,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:48:17,668 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:17,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:17,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1597781668, now seen corresponding path program 1 times [2021-10-19 14:48:17,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:17,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233601458] [2021-10-19 14:48:17,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:17,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:17,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:17,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233601458] [2021-10-19 14:48:17,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233601458] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:17,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:17,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:48:17,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653118284] [2021-10-19 14:48:17,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:48:17,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:17,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:48:17,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:48:17,741 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 198 [2021-10-19 14:48:17,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 193 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,741 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:17,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 198 [2021-10-19 14:48:17,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:17,780 INFO L129 PetriNetUnfolder]: 18/342 cut-off events. [2021-10-19 14:48:17,780 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:48:17,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 342 events. 18/342 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 802 event pairs, 18 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 312. Up to 55 conditions per place. [2021-10-19 14:48:17,781 INFO L132 encePairwiseOnDemand]: 195/198 looper letters, 18 selfloop transitions, 2 changer transitions 0/192 dead transitions. [2021-10-19 14:48:17,781 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 192 transitions, 446 flow [2021-10-19 14:48:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:48:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:48:17,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 552 transitions. [2021-10-19 14:48:17,783 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9292929292929293 [2021-10-19 14:48:17,783 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 552 transitions. [2021-10-19 14:48:17,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 552 transitions. [2021-10-19 14:48:17,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:17,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 552 transitions. [2021-10-19 14:48:17,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,785 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,785 INFO L186 Difference]: Start difference. First operand has 201 places, 193 transitions, 408 flow. Second operand 3 states and 552 transitions. [2021-10-19 14:48:17,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 192 transitions, 446 flow [2021-10-19 14:48:17,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 192 transitions, 426 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-19 14:48:17,789 INFO L242 Difference]: Finished difference. Result has 197 places, 192 transitions, 390 flow [2021-10-19 14:48:17,789 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=197, PETRI_TRANSITIONS=192} [2021-10-19 14:48:17,789 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, -4 predicate places. [2021-10-19 14:48:17,789 INFO L470 AbstractCegarLoop]: Abstraction has has 197 places, 192 transitions, 390 flow [2021-10-19 14:48:17,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,790 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:17,790 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:48:17,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:48:17,790 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:17,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:17,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1656188796, now seen corresponding path program 1 times [2021-10-19 14:48:17,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:17,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872366325] [2021-10-19 14:48:17,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:17,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:17,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:17,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:17,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872366325] [2021-10-19 14:48:17,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872366325] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:17,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:17,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:48:17,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603843251] [2021-10-19 14:48:17,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:48:17,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:17,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:48:17,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:48:17,846 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 198 [2021-10-19 14:48:17,846 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 192 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,846 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:17,846 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 198 [2021-10-19 14:48:17,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:17,879 INFO L129 PetriNetUnfolder]: 8/287 cut-off events. [2021-10-19 14:48:17,879 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-19 14:48:17,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 287 events. 8/287 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 488 event pairs, 8 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 258. Up to 26 conditions per place. [2021-10-19 14:48:17,880 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 11 selfloop transitions, 1 changer transitions 0/187 dead transitions. [2021-10-19 14:48:17,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 187 transitions, 404 flow [2021-10-19 14:48:17,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:48:17,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:48:17,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2021-10-19 14:48:17,881 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9377104377104377 [2021-10-19 14:48:17,881 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 557 transitions. [2021-10-19 14:48:17,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 557 transitions. [2021-10-19 14:48:17,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:17,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 557 transitions. [2021-10-19 14:48:17,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,884 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,884 INFO L186 Difference]: Start difference. First operand has 197 places, 192 transitions, 390 flow. Second operand 3 states and 557 transitions. [2021-10-19 14:48:17,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 187 transitions, 404 flow [2021-10-19 14:48:17,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 187 transitions, 400 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:48:17,886 INFO L242 Difference]: Finished difference. Result has 192 places, 187 transitions, 378 flow [2021-10-19 14:48:17,887 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=192, PETRI_TRANSITIONS=187} [2021-10-19 14:48:17,887 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, -9 predicate places. [2021-10-19 14:48:17,887 INFO L470 AbstractCegarLoop]: Abstraction has has 192 places, 187 transitions, 378 flow [2021-10-19 14:48:17,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:17,887 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:17,888 INFO L254 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:48:17,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:48:17,888 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:17,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:17,888 INFO L82 PathProgramCache]: Analyzing trace with hash -250131672, now seen corresponding path program 1 times [2021-10-19 14:48:17,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:17,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269308385] [2021-10-19 14:48:17,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:17,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:18,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:18,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269308385] [2021-10-19 14:48:18,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269308385] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:18,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:18,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:18,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808153522] [2021-10-19 14:48:18,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:18,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:18,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:18,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:18,021 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 198 [2021-10-19 14:48:18,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 187 transitions, 378 flow. Second operand has 6 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:18,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:18,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 198 [2021-10-19 14:48:18,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:18,272 INFO L129 PetriNetUnfolder]: 416/1323 cut-off events. [2021-10-19 14:48:18,272 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:48:18,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2238 conditions, 1323 events. 416/1323 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6763 event pairs, 416 based on Foata normal form. 0/1176 useless extension candidates. Maximal degree in co-relation 2163. Up to 905 conditions per place. [2021-10-19 14:48:18,276 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 72 selfloop transitions, 5 changer transitions 0/186 dead transitions. [2021-10-19 14:48:18,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 186 transitions, 530 flow [2021-10-19 14:48:18,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:18,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 774 transitions. [2021-10-19 14:48:18,278 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6515151515151515 [2021-10-19 14:48:18,278 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 774 transitions. [2021-10-19 14:48:18,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 774 transitions. [2021-10-19 14:48:18,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:18,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 774 transitions. [2021-10-19 14:48:18,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:18,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:18,283 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:18,283 INFO L186 Difference]: Start difference. First operand has 192 places, 187 transitions, 378 flow. Second operand 6 states and 774 transitions. [2021-10-19 14:48:18,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 186 transitions, 530 flow [2021-10-19 14:48:18,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 186 transitions, 529 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:48:18,286 INFO L242 Difference]: Finished difference. Result has 195 places, 186 transitions, 385 flow [2021-10-19 14:48:18,286 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=385, PETRI_PLACES=195, PETRI_TRANSITIONS=186} [2021-10-19 14:48:18,286 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, -6 predicate places. [2021-10-19 14:48:18,287 INFO L470 AbstractCegarLoop]: Abstraction has has 195 places, 186 transitions, 385 flow [2021-10-19 14:48:18,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:18,287 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:18,287 INFO L254 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, 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, 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] [2021-10-19 14:48:18,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:48:18,287 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:18,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:18,288 INFO L82 PathProgramCache]: Analyzing trace with hash -459326923, now seen corresponding path program 1 times [2021-10-19 14:48:18,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:18,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35113722] [2021-10-19 14:48:18,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:18,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:18,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:18,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35113722] [2021-10-19 14:48:18,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35113722] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:18,400 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:18,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:18,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029492327] [2021-10-19 14:48:18,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:18,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:18,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:18,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:18,402 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 198 [2021-10-19 14:48:18,403 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 186 transitions, 385 flow. Second operand has 6 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:18,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:18,403 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 198 [2021-10-19 14:48:18,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:18,884 INFO L129 PetriNetUnfolder]: 748/2310 cut-off events. [2021-10-19 14:48:18,884 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-19 14:48:18,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3942 conditions, 2310 events. 748/2310 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 14353 event pairs, 68 based on Foata normal form. 0/2060 useless extension candidates. Maximal degree in co-relation 3868. Up to 780 conditions per place. [2021-10-19 14:48:18,891 INFO L132 encePairwiseOnDemand]: 170/198 looper letters, 160 selfloop transitions, 70 changer transitions 0/342 dead transitions. [2021-10-19 14:48:18,892 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 342 transitions, 1157 flow [2021-10-19 14:48:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:18,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:18,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 946 transitions. [2021-10-19 14:48:18,894 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7962962962962963 [2021-10-19 14:48:18,894 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 946 transitions. [2021-10-19 14:48:18,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 946 transitions. [2021-10-19 14:48:18,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:18,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 946 transitions. [2021-10-19 14:48:18,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 157.66666666666666) internal successors, (946), 6 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:18,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:18,898 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:18,898 INFO L186 Difference]: Start difference. First operand has 195 places, 186 transitions, 385 flow. Second operand 6 states and 946 transitions. [2021-10-19 14:48:18,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 342 transitions, 1157 flow [2021-10-19 14:48:18,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 342 transitions, 1147 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-19 14:48:18,903 INFO L242 Difference]: Finished difference. Result has 199 places, 256 transitions, 853 flow [2021-10-19 14:48:18,903 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=853, PETRI_PLACES=199, PETRI_TRANSITIONS=256} [2021-10-19 14:48:18,903 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, -2 predicate places. [2021-10-19 14:48:18,903 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 256 transitions, 853 flow [2021-10-19 14:48:18,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:18,904 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:18,904 INFO L254 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, 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, 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] [2021-10-19 14:48:18,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:48:18,904 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:18,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:18,904 INFO L82 PathProgramCache]: Analyzing trace with hash 899656857, now seen corresponding path program 1 times [2021-10-19 14:48:18,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:18,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145920830] [2021-10-19 14:48:18,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:18,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:18,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:18,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:18,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145920830] [2021-10-19 14:48:18,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145920830] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:18,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:18,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:18,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591115832] [2021-10-19 14:48:18,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:18,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:18,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:18,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:18,996 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 198 [2021-10-19 14:48:18,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 256 transitions, 853 flow. Second operand has 6 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:18,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:18,997 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 198 [2021-10-19 14:48:18,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:19,332 INFO L129 PetriNetUnfolder]: 836/2606 cut-off events. [2021-10-19 14:48:19,332 INFO L130 PetriNetUnfolder]: For 873/873 co-relation queries the response was YES. [2021-10-19 14:48:19,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5839 conditions, 2606 events. 836/2606 cut-off events. For 873/873 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 16775 event pairs, 379 based on Foata normal form. 0/2423 useless extension candidates. Maximal degree in co-relation 5763. Up to 1690 conditions per place. [2021-10-19 14:48:19,343 INFO L132 encePairwiseOnDemand]: 183/198 looper letters, 156 selfloop transitions, 48 changer transitions 0/316 dead transitions. [2021-10-19 14:48:19,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 316 transitions, 1477 flow [2021-10-19 14:48:19,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:19,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:19,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 841 transitions. [2021-10-19 14:48:19,345 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7079124579124579 [2021-10-19 14:48:19,345 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 841 transitions. [2021-10-19 14:48:19,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 841 transitions. [2021-10-19 14:48:19,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:19,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 841 transitions. [2021-10-19 14:48:19,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 140.16666666666666) internal successors, (841), 6 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:19,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:19,349 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:19,349 INFO L186 Difference]: Start difference. First operand has 199 places, 256 transitions, 853 flow. Second operand 6 states and 841 transitions. [2021-10-19 14:48:19,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 316 transitions, 1477 flow [2021-10-19 14:48:19,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 316 transitions, 1477 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-19 14:48:19,357 INFO L242 Difference]: Finished difference. Result has 209 places, 299 transitions, 1241 flow [2021-10-19 14:48:19,357 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=853, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1241, PETRI_PLACES=209, PETRI_TRANSITIONS=299} [2021-10-19 14:48:19,357 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 8 predicate places. [2021-10-19 14:48:19,357 INFO L470 AbstractCegarLoop]: Abstraction has has 209 places, 299 transitions, 1241 flow [2021-10-19 14:48:19,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:19,358 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:19,358 INFO L254 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, 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, 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] [2021-10-19 14:48:19,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:48:19,358 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:19,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:19,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1312274186, now seen corresponding path program 1 times [2021-10-19 14:48:19,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:19,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399993498] [2021-10-19 14:48:19,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:19,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:19,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:19,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399993498] [2021-10-19 14:48:19,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399993498] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:19,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:19,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:19,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150287440] [2021-10-19 14:48:19,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:19,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:19,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:19,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:19,435 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 198 [2021-10-19 14:48:19,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 299 transitions, 1241 flow. Second operand has 6 states, 6 states have (on average 126.83333333333333) internal successors, (761), 6 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:19,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:19,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 198 [2021-10-19 14:48:19,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:19,935 INFO L129 PetriNetUnfolder]: 1029/3302 cut-off events. [2021-10-19 14:48:19,935 INFO L130 PetriNetUnfolder]: For 2074/2106 co-relation queries the response was YES. [2021-10-19 14:48:19,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8315 conditions, 3302 events. 1029/3302 cut-off events. For 2074/2106 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 23327 event pairs, 189 based on Foata normal form. 0/3168 useless extension candidates. Maximal degree in co-relation 8231. Up to 1658 conditions per place. [2021-10-19 14:48:19,950 INFO L132 encePairwiseOnDemand]: 176/198 looper letters, 261 selfloop transitions, 135 changer transitions 4/514 dead transitions. [2021-10-19 14:48:19,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 514 transitions, 3133 flow [2021-10-19 14:48:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:19,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 913 transitions. [2021-10-19 14:48:19,952 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7685185185185185 [2021-10-19 14:48:19,952 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 913 transitions. [2021-10-19 14:48:19,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 913 transitions. [2021-10-19 14:48:19,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:19,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 913 transitions. [2021-10-19 14:48:19,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 152.16666666666666) internal successors, (913), 6 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:19,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:19,957 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:19,957 INFO L186 Difference]: Start difference. First operand has 209 places, 299 transitions, 1241 flow. Second operand 6 states and 913 transitions. [2021-10-19 14:48:19,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 514 transitions, 3133 flow [2021-10-19 14:48:19,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 514 transitions, 3115 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-10-19 14:48:19,971 INFO L242 Difference]: Finished difference. Result has 219 places, 429 transitions, 2581 flow [2021-10-19 14:48:19,972 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=1223, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2581, PETRI_PLACES=219, PETRI_TRANSITIONS=429} [2021-10-19 14:48:19,972 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 18 predicate places. [2021-10-19 14:48:19,972 INFO L470 AbstractCegarLoop]: Abstraction has has 219 places, 429 transitions, 2581 flow [2021-10-19 14:48:19,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 126.83333333333333) internal successors, (761), 6 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:19,972 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:19,972 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:48:19,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:48:19,973 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:19,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:19,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1530010407, now seen corresponding path program 1 times [2021-10-19 14:48:19,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:19,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742907175] [2021-10-19 14:48:19,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:19,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:20,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:20,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:20,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742907175] [2021-10-19 14:48:20,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742907175] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:20,181 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:20,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:20,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135351131] [2021-10-19 14:48:20,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:20,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:20,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:20,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:20,184 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:48:20,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 429 transitions, 2581 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:20,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:20,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:48:20,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:22,079 INFO L129 PetriNetUnfolder]: 1877/5864 cut-off events. [2021-10-19 14:48:22,079 INFO L130 PetriNetUnfolder]: For 6661/6784 co-relation queries the response was YES. [2021-10-19 14:48:22,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17358 conditions, 5864 events. 1877/5864 cut-off events. For 6661/6784 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 47682 event pairs, 272 based on Foata normal form. 32/5732 useless extension candidates. Maximal degree in co-relation 17262. Up to 1198 conditions per place. [2021-10-19 14:48:22,111 INFO L132 encePairwiseOnDemand]: 161/198 looper letters, 667 selfloop transitions, 228 changer transitions 4/993 dead transitions. [2021-10-19 14:48:22,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 993 transitions, 8109 flow [2021-10-19 14:48:22,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-19 14:48:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-10-19 14:48:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2941 transitions. [2021-10-19 14:48:22,117 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5941414141414142 [2021-10-19 14:48:22,117 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 2941 transitions. [2021-10-19 14:48:22,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 2941 transitions. [2021-10-19 14:48:22,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:22,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 2941 transitions. [2021-10-19 14:48:22,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 117.64) internal successors, (2941), 25 states have internal predecessors, (2941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:22,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 198.0) internal successors, (5148), 26 states have internal predecessors, (5148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:22,128 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 198.0) internal successors, (5148), 26 states have internal predecessors, (5148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:22,128 INFO L186 Difference]: Start difference. First operand has 219 places, 429 transitions, 2581 flow. Second operand 25 states and 2941 transitions. [2021-10-19 14:48:22,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 993 transitions, 8109 flow [2021-10-19 14:48:22,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 993 transitions, 8037 flow, removed 36 selfloop flow, removed 0 redundant places. [2021-10-19 14:48:22,211 INFO L242 Difference]: Finished difference. Result has 264 places, 581 transitions, 4831 flow [2021-10-19 14:48:22,212 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=2545, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=4831, PETRI_PLACES=264, PETRI_TRANSITIONS=581} [2021-10-19 14:48:22,212 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 63 predicate places. [2021-10-19 14:48:22,212 INFO L470 AbstractCegarLoop]: Abstraction has has 264 places, 581 transitions, 4831 flow [2021-10-19 14:48:22,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:22,213 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:22,213 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:48:22,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:48:22,213 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:22,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:22,214 INFO L82 PathProgramCache]: Analyzing trace with hash 694076271, now seen corresponding path program 2 times [2021-10-19 14:48:22,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:22,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524651194] [2021-10-19 14:48:22,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:22,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:22,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:22,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524651194] [2021-10-19 14:48:22,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524651194] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:22,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:22,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:22,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685280393] [2021-10-19 14:48:22,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:22,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:22,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:22,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:22,371 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:48:22,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 581 transitions, 4831 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:22,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:22,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:48:22,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:24,303 INFO L129 PetriNetUnfolder]: 2055/6440 cut-off events. [2021-10-19 14:48:24,303 INFO L130 PetriNetUnfolder]: For 12991/13165 co-relation queries the response was YES. [2021-10-19 14:48:24,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21808 conditions, 6440 events. 2055/6440 cut-off events. For 12991/13165 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 53226 event pairs, 296 based on Foata normal form. 38/6282 useless extension candidates. Maximal degree in co-relation 21687. Up to 2180 conditions per place. [2021-10-19 14:48:24,343 INFO L132 encePairwiseOnDemand]: 172/198 looper letters, 762 selfloop transitions, 155 changer transitions 6/1017 dead transitions. [2021-10-19 14:48:24,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 1017 transitions, 9639 flow [2021-10-19 14:48:24,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-19 14:48:24,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-19 14:48:24,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3331 transitions. [2021-10-19 14:48:24,348 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5801114594218042 [2021-10-19 14:48:24,349 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3331 transitions. [2021-10-19 14:48:24,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3331 transitions. [2021-10-19 14:48:24,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:24,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3331 transitions. [2021-10-19 14:48:24,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 114.86206896551724) internal successors, (3331), 29 states have internal predecessors, (3331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:24,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 198.0) internal successors, (5940), 30 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:24,362 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 198.0) internal successors, (5940), 30 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:24,363 INFO L186 Difference]: Start difference. First operand has 264 places, 581 transitions, 4831 flow. Second operand 29 states and 3331 transitions. [2021-10-19 14:48:24,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 1017 transitions, 9639 flow [2021-10-19 14:48:24,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 1017 transitions, 9623 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-10-19 14:48:24,431 INFO L242 Difference]: Finished difference. Result has 298 places, 644 transitions, 5935 flow [2021-10-19 14:48:24,431 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=4815, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=5935, PETRI_PLACES=298, PETRI_TRANSITIONS=644} [2021-10-19 14:48:24,431 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 97 predicate places. [2021-10-19 14:48:24,431 INFO L470 AbstractCegarLoop]: Abstraction has has 298 places, 644 transitions, 5935 flow [2021-10-19 14:48:24,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:24,432 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:24,432 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:48:24,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:48:24,432 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:24,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:24,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1895118299, now seen corresponding path program 1 times [2021-10-19 14:48:24,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:24,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184963022] [2021-10-19 14:48:24,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:24,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:24,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:24,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:24,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184963022] [2021-10-19 14:48:24,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184963022] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:24,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:24,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:24,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142666910] [2021-10-19 14:48:24,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:24,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:24,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:24,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:24,640 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 198 [2021-10-19 14:48:24,641 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 644 transitions, 5935 flow. Second operand has 13 states, 13 states have (on average 102.07692307692308) internal successors, (1327), 13 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:24,641 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:24,641 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 198 [2021-10-19 14:48:24,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:26,434 INFO L129 PetriNetUnfolder]: 2105/6486 cut-off events. [2021-10-19 14:48:26,435 INFO L130 PetriNetUnfolder]: For 19311/19541 co-relation queries the response was YES. [2021-10-19 14:48:26,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24140 conditions, 6486 events. 2105/6486 cut-off events. For 19311/19541 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 53113 event pairs, 432 based on Foata normal form. 74/6347 useless extension candidates. Maximal degree in co-relation 24009. Up to 3340 conditions per place. [2021-10-19 14:48:26,474 INFO L132 encePairwiseOnDemand]: 178/198 looper letters, 651 selfloop transitions, 145 changer transitions 2/889 dead transitions. [2021-10-19 14:48:26,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 889 transitions, 9580 flow [2021-10-19 14:48:26,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:48:26,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-10-19 14:48:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2655 transitions. [2021-10-19 14:48:26,479 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5587121212121212 [2021-10-19 14:48:26,479 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2655 transitions. [2021-10-19 14:48:26,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2655 transitions. [2021-10-19 14:48:26,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:26,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2655 transitions. [2021-10-19 14:48:26,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 110.625) internal successors, (2655), 24 states have internal predecessors, (2655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:26,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 198.0) internal successors, (4950), 25 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:26,489 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 198.0) internal successors, (4950), 25 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:26,489 INFO L186 Difference]: Start difference. First operand has 298 places, 644 transitions, 5935 flow. Second operand 24 states and 2655 transitions. [2021-10-19 14:48:26,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 889 transitions, 9580 flow [2021-10-19 14:48:26,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 889 transitions, 9496 flow, removed 40 selfloop flow, removed 2 redundant places. [2021-10-19 14:48:26,637 INFO L242 Difference]: Finished difference. Result has 324 places, 676 transitions, 6571 flow [2021-10-19 14:48:26,638 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=5851, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=644, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=6571, PETRI_PLACES=324, PETRI_TRANSITIONS=676} [2021-10-19 14:48:26,638 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 123 predicate places. [2021-10-19 14:48:26,638 INFO L470 AbstractCegarLoop]: Abstraction has has 324 places, 676 transitions, 6571 flow [2021-10-19 14:48:26,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 102.07692307692308) internal successors, (1327), 13 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:26,639 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:26,639 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:48:26,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-19 14:48:26,639 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:26,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:26,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1217397629, now seen corresponding path program 3 times [2021-10-19 14:48:26,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:26,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619900518] [2021-10-19 14:48:26,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:26,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:26,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:26,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619900518] [2021-10-19 14:48:26,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619900518] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:26,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:26,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:26,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946959949] [2021-10-19 14:48:26,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:26,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:26,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:26,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:26,817 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:48:26,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 676 transitions, 6571 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:26,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:26,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:48:26,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:29,592 INFO L129 PetriNetUnfolder]: 2774/8801 cut-off events. [2021-10-19 14:48:29,592 INFO L130 PetriNetUnfolder]: For 31692/31981 co-relation queries the response was YES. [2021-10-19 14:48:29,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34249 conditions, 8801 events. 2774/8801 cut-off events. For 31692/31981 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 80693 event pairs, 449 based on Foata normal form. 96/8660 useless extension candidates. Maximal degree in co-relation 34178. Up to 1958 conditions per place. [2021-10-19 14:48:29,649 INFO L132 encePairwiseOnDemand]: 165/198 looper letters, 802 selfloop transitions, 338 changer transitions 6/1243 dead transitions. [2021-10-19 14:48:29,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 1243 transitions, 13748 flow [2021-10-19 14:48:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:48:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-19 14:48:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3291 transitions. [2021-10-19 14:48:29,653 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5936147186147186 [2021-10-19 14:48:29,654 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3291 transitions. [2021-10-19 14:48:29,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3291 transitions. [2021-10-19 14:48:29,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:29,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3291 transitions. [2021-10-19 14:48:29,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 117.53571428571429) internal successors, (3291), 28 states have internal predecessors, (3291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:29,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 198.0) internal successors, (5742), 29 states have internal predecessors, (5742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:29,667 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 198.0) internal successors, (5742), 29 states have internal predecessors, (5742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:29,667 INFO L186 Difference]: Start difference. First operand has 324 places, 676 transitions, 6571 flow. Second operand 28 states and 3291 transitions. [2021-10-19 14:48:29,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 1243 transitions, 13748 flow [2021-10-19 14:48:29,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 1243 transitions, 13642 flow, removed 14 selfloop flow, removed 12 redundant places. [2021-10-19 14:48:29,806 INFO L242 Difference]: Finished difference. Result has 350 places, 805 transitions, 9728 flow [2021-10-19 14:48:29,806 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=6483, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=676, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=9728, PETRI_PLACES=350, PETRI_TRANSITIONS=805} [2021-10-19 14:48:29,806 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 149 predicate places. [2021-10-19 14:48:29,806 INFO L470 AbstractCegarLoop]: Abstraction has has 350 places, 805 transitions, 9728 flow [2021-10-19 14:48:29,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:29,807 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:29,807 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:48:29,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-19 14:48:29,807 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:29,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:29,807 INFO L82 PathProgramCache]: Analyzing trace with hash -867758733, now seen corresponding path program 4 times [2021-10-19 14:48:29,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:29,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977554655] [2021-10-19 14:48:29,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:29,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:29,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:29,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977554655] [2021-10-19 14:48:29,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977554655] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:29,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:29,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:29,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295133648] [2021-10-19 14:48:29,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:29,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:29,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:29,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:29,978 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:48:29,979 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 805 transitions, 9728 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:29,979 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:29,979 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:48:29,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:33,600 INFO L129 PetriNetUnfolder]: 3831/12261 cut-off events. [2021-10-19 14:48:33,601 INFO L130 PetriNetUnfolder]: For 58621/59035 co-relation queries the response was YES. [2021-10-19 14:48:33,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50867 conditions, 12261 events. 3831/12261 cut-off events. For 58621/59035 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 123680 event pairs, 672 based on Foata normal form. 136/12073 useless extension candidates. Maximal degree in co-relation 50785. Up to 2795 conditions per place. [2021-10-19 14:48:33,718 INFO L132 encePairwiseOnDemand]: 165/198 looper letters, 828 selfloop transitions, 477 changer transitions 6/1408 dead transitions. [2021-10-19 14:48:33,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 1408 transitions, 18262 flow [2021-10-19 14:48:33,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:48:33,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-19 14:48:33,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 3500 transitions. [2021-10-19 14:48:33,723 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5892255892255892 [2021-10-19 14:48:33,723 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 3500 transitions. [2021-10-19 14:48:33,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 3500 transitions. [2021-10-19 14:48:33,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:33,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 3500 transitions. [2021-10-19 14:48:33,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 116.66666666666667) internal successors, (3500), 30 states have internal predecessors, (3500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:33,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 198.0) internal successors, (6138), 31 states have internal predecessors, (6138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:33,734 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 198.0) internal successors, (6138), 31 states have internal predecessors, (6138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:33,735 INFO L186 Difference]: Start difference. First operand has 350 places, 805 transitions, 9728 flow. Second operand 30 states and 3500 transitions. [2021-10-19 14:48:33,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 1408 transitions, 18262 flow [2021-10-19 14:48:34,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 1408 transitions, 18098 flow, removed 36 selfloop flow, removed 15 redundant places. [2021-10-19 14:48:34,105 INFO L242 Difference]: Finished difference. Result has 381 places, 969 transitions, 14400 flow [2021-10-19 14:48:34,106 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=9596, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=805, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=313, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=14400, PETRI_PLACES=381, PETRI_TRANSITIONS=969} [2021-10-19 14:48:34,106 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 180 predicate places. [2021-10-19 14:48:34,106 INFO L470 AbstractCegarLoop]: Abstraction has has 381 places, 969 transitions, 14400 flow [2021-10-19 14:48:34,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:34,106 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:34,107 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:48:34,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-19 14:48:34,107 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:34,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:34,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1474231407, now seen corresponding path program 5 times [2021-10-19 14:48:34,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:34,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690649225] [2021-10-19 14:48:34,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:34,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:34,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:34,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690649225] [2021-10-19 14:48:34,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690649225] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:34,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:34,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:34,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225765489] [2021-10-19 14:48:34,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:34,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:34,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:34,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:34,294 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:48:34,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 969 transitions, 14400 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:34,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:34,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:48:34,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:39,024 INFO L129 PetriNetUnfolder]: 5221/16693 cut-off events. [2021-10-19 14:48:39,024 INFO L130 PetriNetUnfolder]: For 107037/107633 co-relation queries the response was YES. [2021-10-19 14:48:39,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73912 conditions, 16693 events. 5221/16693 cut-off events. For 107037/107633 co-relation queries the response was YES. Maximal size of possible extension queue 523. Compared 181305 event pairs, 1213 based on Foata normal form. 174/16439 useless extension candidates. Maximal degree in co-relation 73813. Up to 5568 conditions per place. [2021-10-19 14:48:39,212 INFO L132 encePairwiseOnDemand]: 166/198 looper letters, 787 selfloop transitions, 560 changer transitions 3/1447 dead transitions. [2021-10-19 14:48:39,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 1447 transitions, 23327 flow [2021-10-19 14:48:39,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-19 14:48:39,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-19 14:48:39,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2419 transitions. [2021-10-19 14:48:39,215 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5817700817700817 [2021-10-19 14:48:39,215 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2419 transitions. [2021-10-19 14:48:39,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2419 transitions. [2021-10-19 14:48:39,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:39,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2419 transitions. [2021-10-19 14:48:39,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 115.19047619047619) internal successors, (2419), 21 states have internal predecessors, (2419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:39,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 198.0) internal successors, (4356), 22 states have internal predecessors, (4356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:39,222 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 198.0) internal successors, (4356), 22 states have internal predecessors, (4356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:39,222 INFO L186 Difference]: Start difference. First operand has 381 places, 969 transitions, 14400 flow. Second operand 21 states and 2419 transitions. [2021-10-19 14:48:39,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 1447 transitions, 23327 flow [2021-10-19 14:48:40,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 1447 transitions, 23157 flow, removed 60 selfloop flow, removed 10 redundant places. [2021-10-19 14:48:40,291 INFO L242 Difference]: Finished difference. Result has 405 places, 1157 transitions, 20331 flow [2021-10-19 14:48:40,292 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=14276, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=372, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=20331, PETRI_PLACES=405, PETRI_TRANSITIONS=1157} [2021-10-19 14:48:40,292 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 204 predicate places. [2021-10-19 14:48:40,292 INFO L470 AbstractCegarLoop]: Abstraction has has 405 places, 1157 transitions, 20331 flow [2021-10-19 14:48:40,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:40,292 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:40,293 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:48:40,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-19 14:48:40,293 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:40,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:40,293 INFO L82 PathProgramCache]: Analyzing trace with hash -818930091, now seen corresponding path program 6 times [2021-10-19 14:48:40,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:40,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052146007] [2021-10-19 14:48:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:40,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:40,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:40,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:40,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052146007] [2021-10-19 14:48:40,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052146007] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:40,450 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:40,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:40,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375683746] [2021-10-19 14:48:40,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:40,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:40,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:40,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:40,452 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:48:40,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 1157 transitions, 20331 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:40,452 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:40,452 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:48:40,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:47,798 INFO L129 PetriNetUnfolder]: 6121/19603 cut-off events. [2021-10-19 14:48:47,799 INFO L130 PetriNetUnfolder]: For 158343/159160 co-relation queries the response was YES. [2021-10-19 14:48:47,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90969 conditions, 19603 events. 6121/19603 cut-off events. For 158343/159160 co-relation queries the response was YES. Maximal size of possible extension queue 624. Compared 220349 event pairs, 1078 based on Foata normal form. 263/19367 useless extension candidates. Maximal degree in co-relation 90856. Up to 4178 conditions per place. [2021-10-19 14:48:48,030 INFO L132 encePairwiseOnDemand]: 165/198 looper letters, 999 selfloop transitions, 672 changer transitions 4/1772 dead transitions. [2021-10-19 14:48:48,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 1772 transitions, 31005 flow [2021-10-19 14:48:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:48:48,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-19 14:48:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3278 transitions. [2021-10-19 14:48:48,035 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5912698412698413 [2021-10-19 14:48:48,035 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3278 transitions. [2021-10-19 14:48:48,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3278 transitions. [2021-10-19 14:48:48,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:48,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3278 transitions. [2021-10-19 14:48:48,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 117.07142857142857) internal successors, (3278), 28 states have internal predecessors, (3278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:48,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 198.0) internal successors, (5742), 29 states have internal predecessors, (5742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:48,045 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 198.0) internal successors, (5742), 29 states have internal predecessors, (5742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:48,045 INFO L186 Difference]: Start difference. First operand has 405 places, 1157 transitions, 20331 flow. Second operand 28 states and 3278 transitions. [2021-10-19 14:48:48,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 1772 transitions, 31005 flow [2021-10-19 14:48:49,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 1772 transitions, 30881 flow, removed 60 selfloop flow, removed 2 redundant places. [2021-10-19 14:48:49,514 INFO L242 Difference]: Finished difference. Result has 443 places, 1301 transitions, 26297 flow [2021-10-19 14:48:49,515 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=20261, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=532, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=26297, PETRI_PLACES=443, PETRI_TRANSITIONS=1301} [2021-10-19 14:48:49,515 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 242 predicate places. [2021-10-19 14:48:49,516 INFO L470 AbstractCegarLoop]: Abstraction has has 443 places, 1301 transitions, 26297 flow [2021-10-19 14:48:49,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:49,516 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:49,516 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:48:49,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-19 14:48:49,516 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:48:49,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:49,517 INFO L82 PathProgramCache]: Analyzing trace with hash 705511131, now seen corresponding path program 7 times [2021-10-19 14:48:49,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:49,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580738680] [2021-10-19 14:48:49,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:49,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:48:49,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:49,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580738680] [2021-10-19 14:48:49,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580738680] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:49,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:49,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:49,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519646883] [2021-10-19 14:48:49,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:49,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:49,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:49,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:49,661 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:48:49,662 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 1301 transitions, 26297 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:49,662 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:49,662 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:48:49,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:58,156 INFO L129 PetriNetUnfolder]: 6671/21354 cut-off events. [2021-10-19 14:48:58,156 INFO L130 PetriNetUnfolder]: For 222307/223149 co-relation queries the response was YES. [2021-10-19 14:48:58,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104990 conditions, 21354 events. 6671/21354 cut-off events. For 222307/223149 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 244529 event pairs, 1189 based on Foata normal form. 299/21123 useless extension candidates. Maximal degree in co-relation 104860. Up to 5205 conditions per place. [2021-10-19 14:48:58,564 INFO L132 encePairwiseOnDemand]: 165/198 looper letters, 1028 selfloop transitions, 758 changer transitions 5/1888 dead transitions. [2021-10-19 14:48:58,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 1888 transitions, 36797 flow [2021-10-19 14:48:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:48:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-19 14:48:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3291 transitions. [2021-10-19 14:48:58,567 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5936147186147186 [2021-10-19 14:48:58,567 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3291 transitions. [2021-10-19 14:48:58,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3291 transitions. [2021-10-19 14:48:58,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:58,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3291 transitions. [2021-10-19 14:48:58,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 117.53571428571429) internal successors, (3291), 28 states have internal predecessors, (3291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:58,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 198.0) internal successors, (5742), 29 states have internal predecessors, (5742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:58,576 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 198.0) internal successors, (5742), 29 states have internal predecessors, (5742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:48:58,576 INFO L186 Difference]: Start difference. First operand has 443 places, 1301 transitions, 26297 flow. Second operand 28 states and 3291 transitions. [2021-10-19 14:48:58,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 1888 transitions, 36797 flow [2021-10-19 14:49:00,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 1888 transitions, 36611 flow, removed 48 selfloop flow, removed 13 redundant places. [2021-10-19 14:49:00,613 INFO L242 Difference]: Finished difference. Result has 468 places, 1415 transitions, 32115 flow [2021-10-19 14:49:00,614 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=26123, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=649, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=32115, PETRI_PLACES=468, PETRI_TRANSITIONS=1415} [2021-10-19 14:49:00,614 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 267 predicate places. [2021-10-19 14:49:00,614 INFO L470 AbstractCegarLoop]: Abstraction has has 468 places, 1415 transitions, 32115 flow [2021-10-19 14:49:00,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:00,614 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:49:00,614 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:49:00,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-19 14:49:00,615 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:49:00,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:49:00,615 INFO L82 PathProgramCache]: Analyzing trace with hash 293832865, now seen corresponding path program 8 times [2021-10-19 14:49:00,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:49:00,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024736216] [2021-10-19 14:49:00,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:49:00,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:49:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:49:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:49:00,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:49:00,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024736216] [2021-10-19 14:49:00,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024736216] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:49:00,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:49:00,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:49:00,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189726787] [2021-10-19 14:49:00,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:49:00,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:49:00,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:49:00,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:49:00,749 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:49:00,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 1415 transitions, 32115 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:00,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:49:00,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:49:00,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:49:10,231 INFO L129 PetriNetUnfolder]: 7182/23008 cut-off events. [2021-10-19 14:49:10,231 INFO L130 PetriNetUnfolder]: For 297294/298306 co-relation queries the response was YES. [2021-10-19 14:49:10,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119102 conditions, 23008 events. 7182/23008 cut-off events. For 297294/298306 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 267445 event pairs, 1309 based on Foata normal form. 297/22723 useless extension candidates. Maximal degree in co-relation 118961. Up to 5991 conditions per place. [2021-10-19 14:49:10,593 INFO L132 encePairwiseOnDemand]: 165/198 looper letters, 1101 selfloop transitions, 778 changer transitions 4/1980 dead transitions. [2021-10-19 14:49:10,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 1980 transitions, 43060 flow [2021-10-19 14:49:10,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-19 14:49:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-19 14:49:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 3168 transitions. [2021-10-19 14:49:10,596 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5925925925925926 [2021-10-19 14:49:10,596 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 3168 transitions. [2021-10-19 14:49:10,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 3168 transitions. [2021-10-19 14:49:10,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:49:10,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 3168 transitions. [2021-10-19 14:49:10,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 117.33333333333333) internal successors, (3168), 27 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:10,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 198.0) internal successors, (5544), 28 states have internal predecessors, (5544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:10,604 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 198.0) internal successors, (5544), 28 states have internal predecessors, (5544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:10,604 INFO L186 Difference]: Start difference. First operand has 468 places, 1415 transitions, 32115 flow. Second operand 27 states and 3168 transitions. [2021-10-19 14:49:10,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 1980 transitions, 43060 flow [2021-10-19 14:49:13,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 1980 transitions, 42855 flow, removed 39 selfloop flow, removed 15 redundant places. [2021-10-19 14:49:13,360 INFO L242 Difference]: Finished difference. Result has 489 places, 1523 transitions, 38218 flow [2021-10-19 14:49:13,361 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=31914, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=670, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=655, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=38218, PETRI_PLACES=489, PETRI_TRANSITIONS=1523} [2021-10-19 14:49:13,362 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 288 predicate places. [2021-10-19 14:49:13,362 INFO L470 AbstractCegarLoop]: Abstraction has has 489 places, 1523 transitions, 38218 flow [2021-10-19 14:49:13,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:13,362 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:49:13,363 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:49:13,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-19 14:49:13,363 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:49:13,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:49:13,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1756300063, now seen corresponding path program 9 times [2021-10-19 14:49:13,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:49:13,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837220459] [2021-10-19 14:49:13,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:49:13,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:49:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:49:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:49:13,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:49:13,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837220459] [2021-10-19 14:49:13,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837220459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:49:13,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:49:13,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:49:13,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520336683] [2021-10-19 14:49:13,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:49:13,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:49:13,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:49:13,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:49:13,520 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:49:13,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 1523 transitions, 38218 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:13,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:49:13,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:49:13,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:49:24,688 INFO L129 PetriNetUnfolder]: 7582/24486 cut-off events. [2021-10-19 14:49:24,689 INFO L130 PetriNetUnfolder]: For 376119/377189 co-relation queries the response was YES. [2021-10-19 14:49:24,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131368 conditions, 24486 events. 7582/24486 cut-off events. For 376119/377189 co-relation queries the response was YES. Maximal size of possible extension queue 797. Compared 289367 event pairs, 1409 based on Foata normal form. 355/24235 useless extension candidates. Maximal degree in co-relation 131217. Up to 5182 conditions per place. [2021-10-19 14:49:25,049 INFO L132 encePairwiseOnDemand]: 165/198 looper letters, 1051 selfloop transitions, 931 changer transitions 6/2085 dead transitions. [2021-10-19 14:49:25,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 2085 transitions, 48751 flow [2021-10-19 14:49:25,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-19 14:49:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-19 14:49:25,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3411 transitions. [2021-10-19 14:49:25,053 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5940438871473355 [2021-10-19 14:49:25,053 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3411 transitions. [2021-10-19 14:49:25,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3411 transitions. [2021-10-19 14:49:25,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:49:25,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3411 transitions. [2021-10-19 14:49:25,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 117.62068965517241) internal successors, (3411), 29 states have internal predecessors, (3411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:25,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 198.0) internal successors, (5940), 30 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:25,061 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 198.0) internal successors, (5940), 30 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:25,061 INFO L186 Difference]: Start difference. First operand has 489 places, 1523 transitions, 38218 flow. Second operand 29 states and 3411 transitions. [2021-10-19 14:49:25,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 2085 transitions, 48751 flow [2021-10-19 14:49:28,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 2085 transitions, 48496 flow, removed 64 selfloop flow, removed 15 redundant places. [2021-10-19 14:49:28,434 INFO L242 Difference]: Finished difference. Result has 514 places, 1615 transitions, 44454 flow [2021-10-19 14:49:28,435 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=37983, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=840, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=613, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=44454, PETRI_PLACES=514, PETRI_TRANSITIONS=1615} [2021-10-19 14:49:28,435 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 313 predicate places. [2021-10-19 14:49:28,435 INFO L470 AbstractCegarLoop]: Abstraction has has 514 places, 1615 transitions, 44454 flow [2021-10-19 14:49:28,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:28,436 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:49:28,436 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:49:28,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-19 14:49:28,436 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:49:28,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:49:28,436 INFO L82 PathProgramCache]: Analyzing trace with hash -2055315081, now seen corresponding path program 10 times [2021-10-19 14:49:28,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:49:28,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483553938] [2021-10-19 14:49:28,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:49:28,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:49:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:49:28,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:49:28,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:49:28,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483553938] [2021-10-19 14:49:28,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483553938] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:49:28,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:49:28,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:49:28,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68308138] [2021-10-19 14:49:28,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:49:28,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:49:28,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:49:28,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:49:28,587 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:49:28,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 1615 transitions, 44454 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:28,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:49:28,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:49:28,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:49:41,480 INFO L129 PetriNetUnfolder]: 8349/26912 cut-off events. [2021-10-19 14:49:41,481 INFO L130 PetriNetUnfolder]: For 492089/493313 co-relation queries the response was YES. [2021-10-19 14:49:41,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 151182 conditions, 26912 events. 8349/26912 cut-off events. For 492089/493313 co-relation queries the response was YES. Maximal size of possible extension queue 886. Compared 323774 event pairs, 1509 based on Foata normal form. 409/26649 useless extension candidates. Maximal degree in co-relation 151019. Up to 6209 conditions per place. [2021-10-19 14:49:41,845 INFO L132 encePairwiseOnDemand]: 165/198 looper letters, 1062 selfloop transitions, 1061 changer transitions 6/2226 dead transitions. [2021-10-19 14:49:41,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 2226 transitions, 57241 flow [2021-10-19 14:49:41,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-19 14:49:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-10-19 14:49:41,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 3723 transitions. [2021-10-19 14:49:41,848 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.587594696969697 [2021-10-19 14:49:41,849 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 3723 transitions. [2021-10-19 14:49:41,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 3723 transitions. [2021-10-19 14:49:41,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:49:41,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 3723 transitions. [2021-10-19 14:49:41,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 116.34375) internal successors, (3723), 32 states have internal predecessors, (3723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:41,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 198.0) internal successors, (6534), 33 states have internal predecessors, (6534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:41,857 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 198.0) internal successors, (6534), 33 states have internal predecessors, (6534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:41,857 INFO L186 Difference]: Start difference. First operand has 514 places, 1615 transitions, 44454 flow. Second operand 32 states and 3723 transitions. [2021-10-19 14:49:41,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 2226 transitions, 57241 flow [2021-10-19 14:49:46,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 2226 transitions, 56827 flow, removed 77 selfloop flow, removed 16 redundant places. [2021-10-19 14:49:46,636 INFO L242 Difference]: Finished difference. Result has 544 places, 1748 transitions, 52974 flow [2021-10-19 14:49:46,637 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=44072, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1615, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=929, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=52974, PETRI_PLACES=544, PETRI_TRANSITIONS=1748} [2021-10-19 14:49:46,637 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 343 predicate places. [2021-10-19 14:49:46,637 INFO L470 AbstractCegarLoop]: Abstraction has has 544 places, 1748 transitions, 52974 flow [2021-10-19 14:49:46,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:46,637 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:49:46,637 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:49:46,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-19 14:49:46,638 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:49:46,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:49:46,638 INFO L82 PathProgramCache]: Analyzing trace with hash -407251825, now seen corresponding path program 11 times [2021-10-19 14:49:46,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:49:46,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333567242] [2021-10-19 14:49:46,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:49:46,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:49:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:49:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:49:46,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:49:46,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333567242] [2021-10-19 14:49:46,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333567242] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:49:46,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:49:46,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:49:46,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854246421] [2021-10-19 14:49:46,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:49:46,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:49:46,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:49:46,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:49:46,809 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:49:46,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 1748 transitions, 52974 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:49:46,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:49:46,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:49:46,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:50:01,653 INFO L129 PetriNetUnfolder]: 8904/28387 cut-off events. [2021-10-19 14:50:01,653 INFO L130 PetriNetUnfolder]: For 626457/627798 co-relation queries the response was YES. [2021-10-19 14:50:02,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 168908 conditions, 28387 events. 8904/28387 cut-off events. For 626457/627798 co-relation queries the response was YES. Maximal size of possible extension queue 945. Compared 343907 event pairs, 1482 based on Foata normal form. 428/28114 useless extension candidates. Maximal degree in co-relation 168731. Up to 6738 conditions per place. [2021-10-19 14:50:02,217 INFO L132 encePairwiseOnDemand]: 166/198 looper letters, 1053 selfloop transitions, 1159 changer transitions 4/2313 dead transitions. [2021-10-19 14:50:02,217 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 571 places, 2313 transitions, 66025 flow [2021-10-19 14:50:02,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:50:02,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-19 14:50:02,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3267 transitions. [2021-10-19 14:50:02,236 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5892857142857143 [2021-10-19 14:50:02,236 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3267 transitions. [2021-10-19 14:50:02,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3267 transitions. [2021-10-19 14:50:02,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:50:02,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3267 transitions. [2021-10-19 14:50:02,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 116.67857142857143) internal successors, (3267), 28 states have internal predecessors, (3267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:02,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 198.0) internal successors, (5742), 29 states have internal predecessors, (5742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:02,242 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 198.0) internal successors, (5742), 29 states have internal predecessors, (5742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:02,242 INFO L186 Difference]: Start difference. First operand has 544 places, 1748 transitions, 52974 flow. Second operand 28 states and 3267 transitions. [2021-10-19 14:50:02,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 571 places, 2313 transitions, 66025 flow [2021-10-19 14:50:08,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 2313 transitions, 65679 flow, removed 98 selfloop flow, removed 16 redundant places. [2021-10-19 14:50:08,437 INFO L242 Difference]: Finished difference. Result has 568 places, 1863 transitions, 61804 flow [2021-10-19 14:50:08,438 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=52643, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1748, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=619, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=61804, PETRI_PLACES=568, PETRI_TRANSITIONS=1863} [2021-10-19 14:50:08,438 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 367 predicate places. [2021-10-19 14:50:08,438 INFO L470 AbstractCegarLoop]: Abstraction has has 568 places, 1863 transitions, 61804 flow [2021-10-19 14:50:08,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:08,438 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:50:08,439 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:50:08,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-19 14:50:08,439 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:50:08,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:50:08,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1623626997, now seen corresponding path program 12 times [2021-10-19 14:50:08,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:50:08,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766968498] [2021-10-19 14:50:08,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:50:08,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:50:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:50:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:50:08,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:50:08,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766968498] [2021-10-19 14:50:08,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766968498] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:50:08,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:50:08,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:50:08,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580440328] [2021-10-19 14:50:08,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:50:08,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:50:08,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:50:08,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:50:08,606 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:50:08,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 1863 transitions, 61804 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:08,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:50:08,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:50:08,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:50:26,637 INFO L129 PetriNetUnfolder]: 9679/30884 cut-off events. [2021-10-19 14:50:26,637 INFO L130 PetriNetUnfolder]: For 803484/804993 co-relation queries the response was YES. [2021-10-19 14:50:27,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190847 conditions, 30884 events. 9679/30884 cut-off events. For 803484/804993 co-relation queries the response was YES. Maximal size of possible extension queue 1038. Compared 379730 event pairs, 1640 based on Foata normal form. 540/30656 useless extension candidates. Maximal degree in co-relation 190658. Up to 7703 conditions per place. [2021-10-19 14:50:27,166 INFO L132 encePairwiseOnDemand]: 166/198 looper letters, 1049 selfloop transitions, 1307 changer transitions 5/2458 dead transitions. [2021-10-19 14:50:27,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 2458 transitions, 76347 flow [2021-10-19 14:50:27,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:50:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-19 14:50:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 3489 transitions. [2021-10-19 14:50:27,169 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5873737373737373 [2021-10-19 14:50:27,169 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 3489 transitions. [2021-10-19 14:50:27,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 3489 transitions. [2021-10-19 14:50:27,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:50:27,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 3489 transitions. [2021-10-19 14:50:27,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 116.3) internal successors, (3489), 30 states have internal predecessors, (3489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:27,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 198.0) internal successors, (6138), 31 states have internal predecessors, (6138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:27,175 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 198.0) internal successors, (6138), 31 states have internal predecessors, (6138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:27,175 INFO L186 Difference]: Start difference. First operand has 568 places, 1863 transitions, 61804 flow. Second operand 30 states and 3489 transitions. [2021-10-19 14:50:27,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 2458 transitions, 76347 flow [2021-10-19 14:50:36,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 2458 transitions, 76060 flow, removed 104 selfloop flow, removed 13 redundant places. [2021-10-19 14:50:36,269 INFO L242 Difference]: Finished difference. Result has 598 places, 2002 transitions, 72758 flow [2021-10-19 14:50:36,270 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=61577, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=72758, PETRI_PLACES=598, PETRI_TRANSITIONS=2002} [2021-10-19 14:50:36,270 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 397 predicate places. [2021-10-19 14:50:36,270 INFO L470 AbstractCegarLoop]: Abstraction has has 598 places, 2002 transitions, 72758 flow [2021-10-19 14:50:36,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:36,271 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:50:36,271 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:50:36,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-19 14:50:36,271 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:50:36,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:50:36,271 INFO L82 PathProgramCache]: Analyzing trace with hash -14727565, now seen corresponding path program 13 times [2021-10-19 14:50:36,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:50:36,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219874072] [2021-10-19 14:50:36,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:50:36,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:50:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:50:36,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:50:36,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:50:36,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219874072] [2021-10-19 14:50:36,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219874072] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:50:36,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:50:36,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:50:36,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978953875] [2021-10-19 14:50:36,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:50:36,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:50:36,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:50:36,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:50:36,418 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:50:36,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 2002 transitions, 72758 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:36,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:50:36,418 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:50:36,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:50:57,016 INFO L129 PetriNetUnfolder]: 10073/32310 cut-off events. [2021-10-19 14:50:57,016 INFO L130 PetriNetUnfolder]: For 982898/984469 co-relation queries the response was YES. [2021-10-19 14:50:57,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207448 conditions, 32310 events. 10073/32310 cut-off events. For 982898/984469 co-relation queries the response was YES. Maximal size of possible extension queue 1090. Compared 401485 event pairs, 1785 based on Foata normal form. 483/31980 useless extension candidates. Maximal degree in co-relation 207245. Up to 6722 conditions per place. [2021-10-19 14:50:57,777 INFO L132 encePairwiseOnDemand]: 165/198 looper letters, 1242 selfloop transitions, 1221 changer transitions 5/2565 dead transitions. [2021-10-19 14:50:57,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 627 places, 2565 transitions, 85867 flow [2021-10-19 14:50:57,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:50:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-19 14:50:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 3500 transitions. [2021-10-19 14:50:57,780 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5892255892255892 [2021-10-19 14:50:57,780 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 3500 transitions. [2021-10-19 14:50:57,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 3500 transitions. [2021-10-19 14:50:57,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:50:57,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 3500 transitions. [2021-10-19 14:50:57,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 116.66666666666667) internal successors, (3500), 30 states have internal predecessors, (3500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:57,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 198.0) internal successors, (6138), 31 states have internal predecessors, (6138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:57,786 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 198.0) internal successors, (6138), 31 states have internal predecessors, (6138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:50:57,786 INFO L186 Difference]: Start difference. First operand has 598 places, 2002 transitions, 72758 flow. Second operand 30 states and 3500 transitions. [2021-10-19 14:50:57,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 627 places, 2565 transitions, 85867 flow [2021-10-19 14:51:08,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 2565 transitions, 85529 flow, removed 128 selfloop flow, removed 14 redundant places. [2021-10-19 14:51:08,449 INFO L242 Difference]: Finished difference. Result has 625 places, 2092 transitions, 81326 flow [2021-10-19 14:51:08,450 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=72442, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2002, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=799, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=81326, PETRI_PLACES=625, PETRI_TRANSITIONS=2092} [2021-10-19 14:51:08,450 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 424 predicate places. [2021-10-19 14:51:08,451 INFO L470 AbstractCegarLoop]: Abstraction has has 625 places, 2092 transitions, 81326 flow [2021-10-19 14:51:08,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:51:08,451 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:51:08,451 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:51:08,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-19 14:51:08,451 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:51:08,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:51:08,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1600132893, now seen corresponding path program 14 times [2021-10-19 14:51:08,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:51:08,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189059701] [2021-10-19 14:51:08,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:51:08,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:51:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:51:08,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:51:08,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:51:08,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189059701] [2021-10-19 14:51:08,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189059701] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:51:08,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:51:08,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:51:08,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432567497] [2021-10-19 14:51:08,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:51:08,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:51:08,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:51:08,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:51:08,589 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:51:08,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 625 places, 2092 transitions, 81326 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:51:08,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:51:08,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:51:08,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:51:30,651 INFO L129 PetriNetUnfolder]: 10498/33615 cut-off events. [2021-10-19 14:51:30,651 INFO L130 PetriNetUnfolder]: For 1172452/1174172 co-relation queries the response was YES. [2021-10-19 14:51:31,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224817 conditions, 33615 events. 10498/33615 cut-off events. For 1172452/1174172 co-relation queries the response was YES. Maximal size of possible extension queue 1144. Compared 420777 event pairs, 1749 based on Foata normal form. 576/33348 useless extension candidates. Maximal degree in co-relation 224602. Up to 8198 conditions per place. [2021-10-19 14:51:31,505 INFO L132 encePairwiseOnDemand]: 168/198 looper letters, 1055 selfloop transitions, 1411 changer transitions 4/2567 dead transitions. [2021-10-19 14:51:31,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 651 places, 2567 transitions, 93985 flow [2021-10-19 14:51:31,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-19 14:51:31,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-19 14:51:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 3126 transitions. [2021-10-19 14:51:31,507 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5847362514029181 [2021-10-19 14:51:31,507 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 3126 transitions. [2021-10-19 14:51:31,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 3126 transitions. [2021-10-19 14:51:31,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:51:31,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 3126 transitions. [2021-10-19 14:51:31,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 115.77777777777777) internal successors, (3126), 27 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:51:31,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 198.0) internal successors, (5544), 28 states have internal predecessors, (5544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:51:31,513 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 198.0) internal successors, (5544), 28 states have internal predecessors, (5544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:51:31,513 INFO L186 Difference]: Start difference. First operand has 625 places, 2092 transitions, 81326 flow. Second operand 27 states and 3126 transitions. [2021-10-19 14:51:31,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 651 places, 2567 transitions, 93985 flow [2021-10-19 14:51:46,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 637 places, 2567 transitions, 93688 flow, removed 108 selfloop flow, removed 14 redundant places. [2021-10-19 14:51:46,468 INFO L242 Difference]: Finished difference. Result has 648 places, 2173 transitions, 90907 flow [2021-10-19 14:51:46,469 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=81047, PETRI_DIFFERENCE_MINUEND_PLACES=611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2092, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1330, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=90907, PETRI_PLACES=648, PETRI_TRANSITIONS=2173} [2021-10-19 14:51:46,469 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 447 predicate places. [2021-10-19 14:51:46,470 INFO L470 AbstractCegarLoop]: Abstraction has has 648 places, 2173 transitions, 90907 flow [2021-10-19 14:51:46,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:51:46,470 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:51:46,470 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:51:46,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-19 14:51:46,470 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:51:46,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:51:46,470 INFO L82 PathProgramCache]: Analyzing trace with hash -2066609579, now seen corresponding path program 15 times [2021-10-19 14:51:46,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:51:46,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763303891] [2021-10-19 14:51:46,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:51:46,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:51:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:51:46,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:51:46,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:51:46,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763303891] [2021-10-19 14:51:46,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763303891] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:51:46,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:51:46,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:51:46,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993895205] [2021-10-19 14:51:46,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:51:46,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:51:46,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:51:46,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:51:46,637 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:51:46,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 2173 transitions, 90907 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:51:46,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:51:46,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:51:46,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:52:11,716 INFO L129 PetriNetUnfolder]: 10897/34990 cut-off events. [2021-10-19 14:52:11,716 INFO L130 PetriNetUnfolder]: For 1393041/1394875 co-relation queries the response was YES. [2021-10-19 14:52:13,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 241843 conditions, 34990 events. 10897/34990 cut-off events. For 1393041/1394875 co-relation queries the response was YES. Maximal size of possible extension queue 1197. Compared 442069 event pairs, 1857 based on Foata normal form. 596/34705 useless extension candidates. Maximal degree in co-relation 241617. Up to 8133 conditions per place. [2021-10-19 14:52:13,289 INFO L132 encePairwiseOnDemand]: 167/198 looper letters, 1141 selfloop transitions, 1435 changer transitions 4/2677 dead transitions. [2021-10-19 14:52:13,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 675 places, 2677 transitions, 104505 flow [2021-10-19 14:52:13,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:52:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-19 14:52:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3246 transitions. [2021-10-19 14:52:13,292 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5854978354978355 [2021-10-19 14:52:13,292 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3246 transitions. [2021-10-19 14:52:13,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3246 transitions. [2021-10-19 14:52:13,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:52:13,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3246 transitions. [2021-10-19 14:52:13,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 115.92857142857143) internal successors, (3246), 28 states have internal predecessors, (3246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:52:13,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 198.0) internal successors, (5742), 29 states have internal predecessors, (5742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:52:13,298 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 198.0) internal successors, (5742), 29 states have internal predecessors, (5742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:52:13,298 INFO L186 Difference]: Start difference. First operand has 648 places, 2173 transitions, 90907 flow. Second operand 28 states and 3246 transitions. [2021-10-19 14:52:13,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 675 places, 2677 transitions, 104505 flow [2021-10-19 14:52:31,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 2677 transitions, 104203 flow, removed 100 selfloop flow, removed 14 redundant places. [2021-10-19 14:52:31,358 INFO L242 Difference]: Finished difference. Result has 672 places, 2260 transitions, 101021 flow [2021-10-19 14:52:31,360 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=90631, PETRI_DIFFERENCE_MINUEND_PLACES=634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1348, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=758, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=101021, PETRI_PLACES=672, PETRI_TRANSITIONS=2260} [2021-10-19 14:52:31,360 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 471 predicate places. [2021-10-19 14:52:31,360 INFO L470 AbstractCegarLoop]: Abstraction has has 672 places, 2260 transitions, 101021 flow [2021-10-19 14:52:31,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:52:31,360 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:52:31,360 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:52:31,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-19 14:52:31,360 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:52:31,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:52:31,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1591203609, now seen corresponding path program 16 times [2021-10-19 14:52:31,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:52:31,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441407447] [2021-10-19 14:52:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:52:31,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:52:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:52:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:52:31,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:52:31,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441407447] [2021-10-19 14:52:31,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441407447] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:52:31,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:52:31,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:52:31,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166608745] [2021-10-19 14:52:31,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:52:31,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:52:31,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:52:31,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:52:31,523 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:52:31,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 2260 transitions, 101021 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:52:31,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:52:31,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:52:31,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:53:00,383 INFO L129 PetriNetUnfolder]: 11988/38477 cut-off events. [2021-10-19 14:53:00,384 INFO L130 PetriNetUnfolder]: For 1736470/1738394 co-relation queries the response was YES. [2021-10-19 14:53:01,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274373 conditions, 38477 events. 11988/38477 cut-off events. For 1736470/1738394 co-relation queries the response was YES. Maximal size of possible extension queue 1328. Compared 495467 event pairs, 2659 based on Foata normal form. 538/38062 useless extension candidates. Maximal degree in co-relation 274136. Up to 13053 conditions per place. [2021-10-19 14:53:01,421 INFO L132 encePairwiseOnDemand]: 165/198 looper letters, 1145 selfloop transitions, 1488 changer transitions 3/2733 dead transitions. [2021-10-19 14:53:01,422 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 2733 transitions, 118305 flow [2021-10-19 14:53:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-19 14:53:01,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-10-19 14:53:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2846 transitions. [2021-10-19 14:53:01,424 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.574949494949495 [2021-10-19 14:53:01,424 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 2846 transitions. [2021-10-19 14:53:01,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 2846 transitions. [2021-10-19 14:53:01,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:53:01,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 2846 transitions. [2021-10-19 14:53:01,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 113.84) internal successors, (2846), 25 states have internal predecessors, (2846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:53:01,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 198.0) internal successors, (5148), 26 states have internal predecessors, (5148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:53:01,429 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 198.0) internal successors, (5148), 26 states have internal predecessors, (5148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:53:01,429 INFO L186 Difference]: Start difference. First operand has 672 places, 2260 transitions, 101021 flow. Second operand 25 states and 2846 transitions. [2021-10-19 14:53:01,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 2733 transitions, 118305 flow [2021-10-19 14:53:22,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 681 places, 2733 transitions, 117885 flow, removed 94 selfloop flow, removed 15 redundant places. [2021-10-19 14:53:22,200 INFO L242 Difference]: Finished difference. Result has 694 places, 2418 transitions, 115198 flow [2021-10-19 14:53:22,202 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=100623, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1332, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=834, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=115198, PETRI_PLACES=694, PETRI_TRANSITIONS=2418} [2021-10-19 14:53:22,202 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 493 predicate places. [2021-10-19 14:53:22,202 INFO L470 AbstractCegarLoop]: Abstraction has has 694 places, 2418 transitions, 115198 flow [2021-10-19 14:53:22,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:53:22,203 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:53:22,203 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:53:22,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-19 14:53:22,203 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:53:22,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:53:22,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1192197977, now seen corresponding path program 17 times [2021-10-19 14:53:22,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:53:22,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225194697] [2021-10-19 14:53:22,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:53:22,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:53:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:53:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:53:22,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:53:22,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225194697] [2021-10-19 14:53:22,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225194697] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:53:22,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:53:22,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:53:22,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102220594] [2021-10-19 14:53:22,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:53:22,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:53:22,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:53:22,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:53:22,354 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:53:22,354 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 694 places, 2418 transitions, 115198 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:53:22,354 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:53:22,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:53:22,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:53:58,321 INFO L129 PetriNetUnfolder]: 13104/42116 cut-off events. [2021-10-19 14:53:58,322 INFO L130 PetriNetUnfolder]: For 2100907/2102932 co-relation queries the response was YES. [2021-10-19 14:53:59,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 307770 conditions, 42116 events. 13104/42116 cut-off events. For 2100907/2102932 co-relation queries the response was YES. Maximal size of possible extension queue 1457. Compared 551410 event pairs, 2799 based on Foata normal form. 562/41639 useless extension candidates. Maximal degree in co-relation 307522. Up to 12893 conditions per place. [2021-10-19 14:53:59,719 INFO L132 encePairwiseOnDemand]: 163/198 looper letters, 1279 selfloop transitions, 1583 changer transitions 3/2962 dead transitions. [2021-10-19 14:53:59,719 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 2962 transitions, 134654 flow [2021-10-19 14:53:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-19 14:53:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-10-19 14:53:59,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2897 transitions. [2021-10-19 14:53:59,721 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5852525252525252 [2021-10-19 14:53:59,721 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 2897 transitions. [2021-10-19 14:53:59,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 2897 transitions. [2021-10-19 14:53:59,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:53:59,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 2897 transitions. [2021-10-19 14:53:59,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 115.88) internal successors, (2897), 25 states have internal predecessors, (2897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:53:59,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 198.0) internal successors, (5148), 26 states have internal predecessors, (5148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:53:59,727 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 198.0) internal successors, (5148), 26 states have internal predecessors, (5148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:53:59,727 INFO L186 Difference]: Start difference. First operand has 694 places, 2418 transitions, 115198 flow. Second operand 25 states and 2897 transitions. [2021-10-19 14:53:59,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 2962 transitions, 134654 flow [2021-10-19 14:54:28,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 710 places, 2962 transitions, 134316 flow, removed 117 selfloop flow, removed 8 redundant places. [2021-10-19 14:54:28,114 INFO L242 Difference]: Finished difference. Result has 725 places, 2581 transitions, 130687 flow [2021-10-19 14:54:28,116 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=114901, PETRI_DIFFERENCE_MINUEND_PLACES=686, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1424, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=894, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=130687, PETRI_PLACES=725, PETRI_TRANSITIONS=2581} [2021-10-19 14:54:28,116 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 524 predicate places. [2021-10-19 14:54:28,116 INFO L470 AbstractCegarLoop]: Abstraction has has 725 places, 2581 transitions, 130687 flow [2021-10-19 14:54:28,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:54:28,117 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:54:28,117 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:54:28,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-19 14:54:28,117 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:54:28,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:54:28,117 INFO L82 PathProgramCache]: Analyzing trace with hash 229002961, now seen corresponding path program 18 times [2021-10-19 14:54:28,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:54:28,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229951148] [2021-10-19 14:54:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:54:28,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:54:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:54:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:54:28,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:54:28,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229951148] [2021-10-19 14:54:28,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229951148] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:54:28,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:54:28,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:54:28,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705317549] [2021-10-19 14:54:28,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:54:28,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:54:28,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:54:28,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:54:28,264 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:54:28,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 725 places, 2581 transitions, 130687 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:54:28,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:54:28,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:54:28,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:55:10,201 INFO L129 PetriNetUnfolder]: 14208/45481 cut-off events. [2021-10-19 14:55:10,202 INFO L130 PetriNetUnfolder]: For 2523534/2525708 co-relation queries the response was YES. [2021-10-19 14:55:11,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 342845 conditions, 45481 events. 14208/45481 cut-off events. For 2523534/2525708 co-relation queries the response was YES. Maximal size of possible extension queue 1588. Compared 602745 event pairs, 3075 based on Foata normal form. 644/45015 useless extension candidates. Maximal degree in co-relation 342581. Up to 16647 conditions per place. [2021-10-19 14:55:11,977 INFO L132 encePairwiseOnDemand]: 166/198 looper letters, 1118 selfloop transitions, 1836 changer transitions 3/3054 dead transitions. [2021-10-19 14:55:11,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 3054 transitions, 150621 flow [2021-10-19 14:55:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:55:11,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-10-19 14:55:11,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2745 transitions. [2021-10-19 14:55:11,985 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5776515151515151 [2021-10-19 14:55:11,985 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2745 transitions. [2021-10-19 14:55:11,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2745 transitions. [2021-10-19 14:55:11,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:55:11,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2745 transitions. [2021-10-19 14:55:11,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 114.375) internal successors, (2745), 24 states have internal predecessors, (2745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:55:11,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 198.0) internal successors, (4950), 25 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:55:11,990 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 198.0) internal successors, (4950), 25 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:55:11,990 INFO L186 Difference]: Start difference. First operand has 725 places, 2581 transitions, 130687 flow. Second operand 24 states and 2745 transitions. [2021-10-19 14:55:11,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 3054 transitions, 150621 flow [2021-10-19 14:55:43,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 745 places, 3054 transitions, 150229 flow, removed 190 selfloop flow, removed 3 redundant places. [2021-10-19 14:55:43,900 INFO L242 Difference]: Finished difference. Result has 759 places, 2758 transitions, 148615 flow [2021-10-19 14:55:43,902 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=130387, PETRI_DIFFERENCE_MINUEND_PLACES=722, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1676, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=828, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=148615, PETRI_PLACES=759, PETRI_TRANSITIONS=2758} [2021-10-19 14:55:43,902 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 558 predicate places. [2021-10-19 14:55:43,902 INFO L470 AbstractCegarLoop]: Abstraction has has 759 places, 2758 transitions, 148615 flow [2021-10-19 14:55:43,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:55:43,903 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:55:43,903 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:55:43,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-19 14:55:43,903 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:55:43,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:55:43,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1755613213, now seen corresponding path program 19 times [2021-10-19 14:55:43,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:55:43,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034876874] [2021-10-19 14:55:43,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:55:43,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:55:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:55:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:55:44,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:55:44,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034876874] [2021-10-19 14:55:44,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034876874] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:55:44,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:55:44,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:55:44,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125171333] [2021-10-19 14:55:44,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:55:44,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:55:44,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:55:44,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:55:44,057 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:55:44,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 759 places, 2758 transitions, 148615 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:55:44,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:55:44,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:55:44,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:56:31,120 INFO L129 PetriNetUnfolder]: 14645/47025 cut-off events. [2021-10-19 14:56:31,120 INFO L130 PetriNetUnfolder]: For 2906671/2908928 co-relation queries the response was YES. [2021-10-19 14:56:32,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 364592 conditions, 47025 events. 14645/47025 cut-off events. For 2906671/2908928 co-relation queries the response was YES. Maximal size of possible extension queue 1641. Compared 627173 event pairs, 3150 based on Foata normal form. 685/46567 useless extension candidates. Maximal degree in co-relation 364311. Up to 15321 conditions per place. [2021-10-19 14:56:33,189 INFO L132 encePairwiseOnDemand]: 166/198 looper letters, 1139 selfloop transitions, 1902 changer transitions 3/3141 dead transitions. [2021-10-19 14:56:33,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 782 places, 3141 transitions, 163802 flow [2021-10-19 14:56:33,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:56:33,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-10-19 14:56:33,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2745 transitions. [2021-10-19 14:56:33,192 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5776515151515151 [2021-10-19 14:56:33,192 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2745 transitions. [2021-10-19 14:56:33,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2745 transitions. [2021-10-19 14:56:33,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:56:33,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2745 transitions. [2021-10-19 14:56:33,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 114.375) internal successors, (2745), 24 states have internal predecessors, (2745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:56:33,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 198.0) internal successors, (4950), 25 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:56:33,197 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 198.0) internal successors, (4950), 25 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:56:33,197 INFO L186 Difference]: Start difference. First operand has 759 places, 2758 transitions, 148615 flow. Second operand 24 states and 2745 transitions. [2021-10-19 14:56:33,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 782 places, 3141 transitions, 163802 flow [2021-10-19 14:57:11,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 778 places, 3141 transitions, 163653 flow, removed 65 selfloop flow, removed 4 redundant places. [2021-10-19 14:57:11,688 INFO L242 Difference]: Finished difference. Result has 788 places, 2843 transitions, 162004 flow [2021-10-19 14:57:11,690 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=148493, PETRI_DIFFERENCE_MINUEND_PLACES=755, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1818, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=879, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=162004, PETRI_PLACES=788, PETRI_TRANSITIONS=2843} [2021-10-19 14:57:11,690 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 587 predicate places. [2021-10-19 14:57:11,690 INFO L470 AbstractCegarLoop]: Abstraction has has 788 places, 2843 transitions, 162004 flow [2021-10-19 14:57:11,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:57:11,691 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:57:11,691 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:57:11,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-19 14:57:11,691 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:57:11,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:57:11,691 INFO L82 PathProgramCache]: Analyzing trace with hash -561106089, now seen corresponding path program 20 times [2021-10-19 14:57:11,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:57:11,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975251467] [2021-10-19 14:57:11,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:57:11,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:57:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:57:11,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:57:11,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:57:11,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975251467] [2021-10-19 14:57:11,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975251467] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:57:11,831 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:57:11,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:57:11,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541828609] [2021-10-19 14:57:11,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:57:11,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:57:11,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:57:11,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:57:11,832 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:57:11,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 788 places, 2843 transitions, 162004 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:57:11,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:57:11,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:57:11,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:58:03,310 INFO L129 PetriNetUnfolder]: 15412/49433 cut-off events. [2021-10-19 14:58:03,310 INFO L130 PetriNetUnfolder]: For 3389905/3392259 co-relation queries the response was YES. [2021-10-19 14:58:05,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 394938 conditions, 49433 events. 15412/49433 cut-off events. For 3389905/3392259 co-relation queries the response was YES. Maximal size of possible extension queue 1736. Compared 664830 event pairs, 3376 based on Foata normal form. 674/48894 useless extension candidates. Maximal degree in co-relation 394644. Up to 17216 conditions per place. [2021-10-19 14:58:05,782 INFO L132 encePairwiseOnDemand]: 165/198 looper letters, 1219 selfloop transitions, 1965 changer transitions 3/3284 dead transitions. [2021-10-19 14:58:05,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 813 places, 3284 transitions, 180408 flow [2021-10-19 14:58:05,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-19 14:58:05,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-10-19 14:58:05,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 2968 transitions. [2021-10-19 14:58:05,785 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5765345765345765 [2021-10-19 14:58:05,785 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 2968 transitions. [2021-10-19 14:58:05,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 2968 transitions. [2021-10-19 14:58:05,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:58:05,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 2968 transitions. [2021-10-19 14:58:05,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 114.15384615384616) internal successors, (2968), 26 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:58:05,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 198.0) internal successors, (5346), 27 states have internal predecessors, (5346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:58:05,789 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 198.0) internal successors, (5346), 27 states have internal predecessors, (5346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:58:05,789 INFO L186 Difference]: Start difference. First operand has 788 places, 2843 transitions, 162004 flow. Second operand 26 states and 2968 transitions. [2021-10-19 14:58:05,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 813 places, 3284 transitions, 180408 flow [2021-10-19 14:58:51,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 804 places, 3284 transitions, 180159 flow, removed 78 selfloop flow, removed 9 redundant places. [2021-10-19 14:58:51,730 INFO L242 Difference]: Finished difference. Result has 816 places, 2963 transitions, 178143 flow [2021-10-19 14:58:51,731 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=161777, PETRI_DIFFERENCE_MINUEND_PLACES=779, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2843, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1845, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=919, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=178143, PETRI_PLACES=816, PETRI_TRANSITIONS=2963} [2021-10-19 14:58:51,731 INFO L334 CegarLoopForPetriNet]: 201 programPoint places, 615 predicate places. [2021-10-19 14:58:51,731 INFO L470 AbstractCegarLoop]: Abstraction has has 816 places, 2963 transitions, 178143 flow [2021-10-19 14:58:51,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:58:51,731 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:58:51,732 INFO L254 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, 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, 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, 1, 1, 1] [2021-10-19 14:58:51,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-19 14:58:51,732 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:58:51,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:58:51,732 INFO L82 PathProgramCache]: Analyzing trace with hash 389889469, now seen corresponding path program 21 times [2021-10-19 14:58:51,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:58:51,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476824228] [2021-10-19 14:58:51,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:58:51,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:58:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:58:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:58:51,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:58:51,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476824228] [2021-10-19 14:58:51,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476824228] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:58:51,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:58:51,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:58:51,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70835985] [2021-10-19 14:58:51,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:58:51,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:58:51,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:58:51,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:58:51,872 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 198 [2021-10-19 14:58:51,872 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 816 places, 2963 transitions, 178143 flow. Second operand has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:58:51,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:58:51,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 198 [2021-10-19 14:58:51,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand