/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_05-ptra_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:48:16,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-19 14:48:16,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-19 14:48:16,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-19 14:48:16,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-19 14:48:16,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-19 14:48:16,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-19 14:48:16,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-19 14:48:16,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-19 14:48:16,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-19 14:48:16,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-19 14:48:16,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-19 14:48:16,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-19 14:48:16,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-19 14:48:16,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-19 14:48:16,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-19 14:48:16,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-19 14:48:16,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-19 14:48:16,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-19 14:48:16,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-19 14:48:16,136 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 14:48:16,165 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:48:16,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:48:16,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:48:16,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:48:16,167 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:48:16,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:48:16,167 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:48:16,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:48:16,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:48:16,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:48:16,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:48:16,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:48:16,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:48:16,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:48:16,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:48:16,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:48:16,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:48:16,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:48:16,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:48:16,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:48:16,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:48:16,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:48:16,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:48:16,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:48:16,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:48:16,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:48:16,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:48:16,169 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:48:16,169 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-19 14:48:16,169 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:48:16,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:48:16,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:48:16,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:48:16,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:48:16,369 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:48:16,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_05-ptra_rc.i [2021-10-19 14:48:16,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f176ae686/d8fdaa49ca35490386d26fba585c3fcd/FLAG63d59243d [2021-10-19 14:48:16,818 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:48:16,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_05-ptra_rc.i [2021-10-19 14:48:16,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f176ae686/d8fdaa49ca35490386d26fba585c3fcd/FLAG63d59243d [2021-10-19 14:48:16,854 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f176ae686/d8fdaa49ca35490386d26fba585c3fcd [2021-10-19 14:48:16,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:48:16,856 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:48:16,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:48:16,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:48:16,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:48:16,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:48:16" (1/1) ... [2021-10-19 14:48:16,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d10eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:16, skipping insertion in model container [2021-10-19 14:48:16,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:48:16" (1/1) ... [2021-10-19 14:48:16,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:48:16,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:48:17,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:48:17,288 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:48:17,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:48:17,400 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:48:17,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:17 WrapperNode [2021-10-19 14:48:17,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:48:17,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:48:17,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:48:17,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:48:17,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:17" (1/1) ... [2021-10-19 14:48:17,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:17" (1/1) ... [2021-10-19 14:48:17,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:48:17,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:48:17,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:48:17,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:48:17,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:17" (1/1) ... [2021-10-19 14:48:17,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:17" (1/1) ... [2021-10-19 14:48:17,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:17" (1/1) ... [2021-10-19 14:48:17,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:17" (1/1) ... [2021-10-19 14:48:17,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:17" (1/1) ... [2021-10-19 14:48:17,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:17" (1/1) ... [2021-10-19 14:48:17,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:17" (1/1) ... [2021-10-19 14:48:17,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:48:17,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:48:17,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:48:17,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:48:17,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:17" (1/1) ... [2021-10-19 14:48:17,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:48:17,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:48:17,528 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 14:48:17,529 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 14:48:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:48:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-19 14:48:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:48:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:48:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:48:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-19 14:48:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-19 14:48:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-19 14:48:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-19 14:48:17,564 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-19 14:48:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:48:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:48:17,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:48:17,565 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 14:48:18,011 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:48:18,011 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-19 14:48:18,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:48:18 BoogieIcfgContainer [2021-10-19 14:48:18,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:48:18,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:48:18,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:48:18,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:48:18,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:48:16" (1/3) ... [2021-10-19 14:48:18,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296a0fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:48:18, skipping insertion in model container [2021-10-19 14:48:18,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:17" (2/3) ... [2021-10-19 14:48:18,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296a0fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:48:18, skipping insertion in model container [2021-10-19 14:48:18,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:48:18" (3/3) ... [2021-10-19 14:48:18,019 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_05-ptra_rc.i [2021-10-19 14:48:18,023 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:48:18,023 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2021-10-19 14:48:18,023 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:48:18,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,064 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,064 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,064 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,064 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,065 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,068 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,068 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,068 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,068 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,069 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,071 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,071 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,071 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,073 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,073 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,073 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,073 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,075 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,078 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,079 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,089 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,090 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,094 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,094 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,099 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,100 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,100 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,100 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,100 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,100 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,100 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,101 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,101 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,103 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,103 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,104 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,104 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,104 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,105 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,106 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,106 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,106 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,106 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,110 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,110 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,110 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,110 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,110 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:48:18,115 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-19 14:48:18,153 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:48:18,158 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 14:48:18,158 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-10-19 14:48:18,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 236 transitions, 477 flow [2021-10-19 14:48:18,257 INFO L129 PetriNetUnfolder]: 0/235 cut-off events. [2021-10-19 14:48:18,257 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:48:18,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 235 events. 0/235 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-10-19 14:48:18,259 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 236 transitions, 477 flow [2021-10-19 14:48:18,268 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 239 places, 235 transitions, 473 flow [2021-10-19 14:48:18,282 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-10-19 14:48:18,282 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:48:18,282 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:18,283 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 14:48:18,283 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:18,287 INFO L82 PathProgramCache]: Analyzing trace with hash -390747052, now seen corresponding path program 1 times [2021-10-19 14:48:18,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:18,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204163991] [2021-10-19 14:48:18,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:18,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:18,572 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 14:48:18,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:18,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204163991] [2021-10-19 14:48:18,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204163991] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:18,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:18,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:18,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611674692] [2021-10-19 14:48:18,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:18,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:18,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:18,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:18,591 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 236 [2021-10-19 14:48:18,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 235 transitions, 473 flow. Second operand has 6 states, 6 states have (on average 135.5) internal successors, (813), 6 states have internal predecessors, (813), 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 14:48:18,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:18,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 236 [2021-10-19 14:48:18,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:19,026 INFO L129 PetriNetUnfolder]: 360/1278 cut-off events. [2021-10-19 14:48:19,027 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:48:19,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2102 conditions, 1278 events. 360/1278 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6551 event pairs, 360 based on Foata normal form. 0/1103 useless extension candidates. Maximal degree in co-relation 1909. Up to 805 conditions per place. [2021-10-19 14:48:19,039 INFO L132 encePairwiseOnDemand]: 218/236 looper letters, 84 selfloop transitions, 15 changer transitions 0/232 dead transitions. [2021-10-19 14:48:19,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 232 transitions, 665 flow [2021-10-19 14:48:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:19,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 906 transitions. [2021-10-19 14:48:19,055 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6398305084745762 [2021-10-19 14:48:19,055 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 906 transitions. [2021-10-19 14:48:19,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 906 transitions. [2021-10-19 14:48:19,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:19,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 906 transitions. [2021-10-19 14:48:19,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 151.0) internal successors, (906), 6 states have internal predecessors, (906), 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 14:48:19,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:19,072 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:19,073 INFO L186 Difference]: Start difference. First operand has 239 places, 235 transitions, 473 flow. Second operand 6 states and 906 transitions. [2021-10-19 14:48:19,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 232 transitions, 665 flow [2021-10-19 14:48:19,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 232 transitions, 664 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:48:19,082 INFO L242 Difference]: Finished difference. Result has 240 places, 232 transitions, 496 flow [2021-10-19 14:48:19,083 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=496, PETRI_PLACES=240, PETRI_TRANSITIONS=232} [2021-10-19 14:48:19,084 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 1 predicate places. [2021-10-19 14:48:19,084 INFO L470 AbstractCegarLoop]: Abstraction has has 240 places, 232 transitions, 496 flow [2021-10-19 14:48:19,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.5) internal successors, (813), 6 states have internal predecessors, (813), 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 14:48:19,085 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:19,085 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 14:48:19,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:48:19,085 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:19,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:19,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1175381759, now seen corresponding path program 1 times [2021-10-19 14:48:19,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:19,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961477091] [2021-10-19 14:48:19,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:19,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:19,224 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 14:48:19,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:19,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961477091] [2021-10-19 14:48:19,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961477091] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:19,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:19,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:19,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535914544] [2021-10-19 14:48:19,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:19,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:19,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:19,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:19,229 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 236 [2021-10-19 14:48:19,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 232 transitions, 496 flow. Second operand has 6 states, 6 states have (on average 136.5) internal successors, (819), 6 states have internal predecessors, (819), 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 14:48:19,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:19,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 236 [2021-10-19 14:48:19,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:19,496 INFO L129 PetriNetUnfolder]: 360/1275 cut-off events. [2021-10-19 14:48:19,496 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-19 14:48:19,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2111 conditions, 1275 events. 360/1275 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6520 event pairs, 360 based on Foata normal form. 0/1103 useless extension candidates. Maximal degree in co-relation 1931. Up to 802 conditions per place. [2021-10-19 14:48:19,500 INFO L132 encePairwiseOnDemand]: 218/236 looper letters, 81 selfloop transitions, 15 changer transitions 0/229 dead transitions. [2021-10-19 14:48:19,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 229 transitions, 682 flow [2021-10-19 14:48:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:19,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:19,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 903 transitions. [2021-10-19 14:48:19,503 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6377118644067796 [2021-10-19 14:48:19,503 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 903 transitions. [2021-10-19 14:48:19,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 903 transitions. [2021-10-19 14:48:19,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:19,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 903 transitions. [2021-10-19 14:48:19,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 150.5) internal successors, (903), 6 states have internal predecessors, (903), 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 14:48:19,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:19,507 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:19,507 INFO L186 Difference]: Start difference. First operand has 240 places, 232 transitions, 496 flow. Second operand 6 states and 903 transitions. [2021-10-19 14:48:19,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 229 transitions, 682 flow [2021-10-19 14:48:19,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 229 transitions, 652 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-19 14:48:19,511 INFO L242 Difference]: Finished difference. Result has 237 places, 229 transitions, 490 flow [2021-10-19 14:48:19,511 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=490, PETRI_PLACES=237, PETRI_TRANSITIONS=229} [2021-10-19 14:48:19,512 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, -2 predicate places. [2021-10-19 14:48:19,512 INFO L470 AbstractCegarLoop]: Abstraction has has 237 places, 229 transitions, 490 flow [2021-10-19 14:48:19,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.5) internal successors, (819), 6 states have internal predecessors, (819), 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 14:48:19,513 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:19,513 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 14:48:19,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:48:19,513 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:19,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:19,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1876938411, now seen corresponding path program 1 times [2021-10-19 14:48:19,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:19,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279357920] [2021-10-19 14:48:19,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:19,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:19,541 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 14:48:19,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:19,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279357920] [2021-10-19 14:48:19,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279357920] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:19,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:19,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:48:19,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989868726] [2021-10-19 14:48:19,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:48:19,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:19,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:48:19,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:48:19,543 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 236 [2021-10-19 14:48:19,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 229 transitions, 490 flow. Second operand has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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 14:48:19,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:19,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 236 [2021-10-19 14:48:19,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:19,580 INFO L129 PetriNetUnfolder]: 18/378 cut-off events. [2021-10-19 14:48:19,581 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:48:19,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 454 conditions, 378 events. 18/378 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 810 event pairs, 18 based on Foata normal form. 0/337 useless extension candidates. Maximal degree in co-relation 302. Up to 55 conditions per place. [2021-10-19 14:48:19,582 INFO L132 encePairwiseOnDemand]: 233/236 looper letters, 18 selfloop transitions, 2 changer transitions 0/228 dead transitions. [2021-10-19 14:48:19,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 228 transitions, 528 flow [2021-10-19 14:48:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:48:19,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:48:19,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2021-10-19 14:48:19,584 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.940677966101695 [2021-10-19 14:48:19,584 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 666 transitions. [2021-10-19 14:48:19,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 666 transitions. [2021-10-19 14:48:19,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:19,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 666 transitions. [2021-10-19 14:48:19,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 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 14:48:19,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 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 14:48:19,587 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 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 14:48:19,587 INFO L186 Difference]: Start difference. First operand has 237 places, 229 transitions, 490 flow. Second operand 3 states and 666 transitions. [2021-10-19 14:48:19,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 228 transitions, 528 flow [2021-10-19 14:48:19,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 228 transitions, 498 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-19 14:48:19,590 INFO L242 Difference]: Finished difference. Result has 233 places, 228 transitions, 462 flow [2021-10-19 14:48:19,591 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=233, PETRI_TRANSITIONS=228} [2021-10-19 14:48:19,591 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, -6 predicate places. [2021-10-19 14:48:19,591 INFO L470 AbstractCegarLoop]: Abstraction has has 233 places, 228 transitions, 462 flow [2021-10-19 14:48:19,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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 14:48:19,592 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:19,592 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 14:48:19,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:48:19,592 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:19,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:19,592 INFO L82 PathProgramCache]: Analyzing trace with hash -917821303, now seen corresponding path program 1 times [2021-10-19 14:48:19,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:19,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302884207] [2021-10-19 14:48:19,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:19,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:19,617 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 14:48:19,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:19,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302884207] [2021-10-19 14:48:19,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302884207] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:19,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:19,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:48:19,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900185923] [2021-10-19 14:48:19,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:48:19,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:19,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:48:19,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:48:19,619 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 236 [2021-10-19 14:48:19,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 228 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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 14:48:19,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:19,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 236 [2021-10-19 14:48:19,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:19,649 INFO L129 PetriNetUnfolder]: 8/323 cut-off events. [2021-10-19 14:48:19,650 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-19 14:48:19,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 323 events. 8/323 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 491 event pairs, 8 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 294. Up to 26 conditions per place. [2021-10-19 14:48:19,651 INFO L132 encePairwiseOnDemand]: 230/236 looper letters, 11 selfloop transitions, 1 changer transitions 0/223 dead transitions. [2021-10-19 14:48:19,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 223 transitions, 476 flow [2021-10-19 14:48:19,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:48:19,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:48:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 671 transitions. [2021-10-19 14:48:19,652 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9477401129943502 [2021-10-19 14:48:19,652 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 671 transitions. [2021-10-19 14:48:19,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 671 transitions. [2021-10-19 14:48:19,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:19,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 671 transitions. [2021-10-19 14:48:19,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 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 14:48:19,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 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 14:48:19,655 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 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 14:48:19,655 INFO L186 Difference]: Start difference. First operand has 233 places, 228 transitions, 462 flow. Second operand 3 states and 671 transitions. [2021-10-19 14:48:19,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 223 transitions, 476 flow [2021-10-19 14:48:19,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 223 transitions, 472 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:48:19,658 INFO L242 Difference]: Finished difference. Result has 228 places, 223 transitions, 450 flow [2021-10-19 14:48:19,659 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=228, PETRI_TRANSITIONS=223} [2021-10-19 14:48:19,659 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, -11 predicate places. [2021-10-19 14:48:19,659 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 223 transitions, 450 flow [2021-10-19 14:48:19,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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 14:48:19,659 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:19,660 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 14:48:19,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:48:19,660 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:19,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:19,660 INFO L82 PathProgramCache]: Analyzing trace with hash -921979203, now seen corresponding path program 1 times [2021-10-19 14:48:19,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:19,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893721892] [2021-10-19 14:48:19,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:19,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:19,739 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 14:48:19,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:19,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893721892] [2021-10-19 14:48:19,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893721892] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:19,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:19,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:19,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943457048] [2021-10-19 14:48:19,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:19,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:19,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:19,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:19,766 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 236 [2021-10-19 14:48:19,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 223 transitions, 450 flow. Second operand has 6 states, 6 states have (on average 147.16666666666666) internal successors, (883), 6 states have internal predecessors, (883), 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 14:48:19,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:19,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 236 [2021-10-19 14:48:19,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:19,988 INFO L129 PetriNetUnfolder]: 416/1352 cut-off events. [2021-10-19 14:48:19,989 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:48:19,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2277 conditions, 1352 events. 416/1352 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6779 event pairs, 416 based on Foata normal form. 0/1201 useless extension candidates. Maximal degree in co-relation 2202. Up to 915 conditions per place. [2021-10-19 14:48:19,994 INFO L132 encePairwiseOnDemand]: 230/236 looper letters, 82 selfloop transitions, 5 changer transitions 0/222 dead transitions. [2021-10-19 14:48:19,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 222 transitions, 622 flow [2021-10-19 14:48:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:19,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 940 transitions. [2021-10-19 14:48:19,996 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6638418079096046 [2021-10-19 14:48:19,996 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 940 transitions. [2021-10-19 14:48:19,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 940 transitions. [2021-10-19 14:48:19,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:19,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 940 transitions. [2021-10-19 14:48:19,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 156.66666666666666) internal successors, (940), 6 states have internal predecessors, (940), 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 14:48:20,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:20,000 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:20,000 INFO L186 Difference]: Start difference. First operand has 228 places, 223 transitions, 450 flow. Second operand 6 states and 940 transitions. [2021-10-19 14:48:20,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 222 transitions, 622 flow [2021-10-19 14:48:20,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 222 transitions, 621 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:48:20,003 INFO L242 Difference]: Finished difference. Result has 231 places, 222 transitions, 457 flow [2021-10-19 14:48:20,004 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=457, PETRI_PLACES=231, PETRI_TRANSITIONS=222} [2021-10-19 14:48:20,004 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, -8 predicate places. [2021-10-19 14:48:20,004 INFO L470 AbstractCegarLoop]: Abstraction has has 231 places, 222 transitions, 457 flow [2021-10-19 14:48:20,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.16666666666666) internal successors, (883), 6 states have internal predecessors, (883), 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 14:48:20,004 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:20,005 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] [2021-10-19 14:48:20,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:48:20,005 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:20,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:20,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1839792001, now seen corresponding path program 1 times [2021-10-19 14:48:20,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:20,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088682100] [2021-10-19 14:48:20,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:20,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:20,047 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 14:48:20,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:20,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088682100] [2021-10-19 14:48:20,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088682100] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:20,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:20,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:48:20,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849134036] [2021-10-19 14:48:20,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:48:20,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:20,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:48:20,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:48:20,050 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 236 [2021-10-19 14:48:20,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 222 transitions, 457 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 14:48:20,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:20,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 236 [2021-10-19 14:48:20,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:20,076 INFO L129 PetriNetUnfolder]: 0/221 cut-off events. [2021-10-19 14:48:20,076 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:48:20,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 221 events. 0/221 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 76 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-10-19 14:48:20,077 INFO L132 encePairwiseOnDemand]: 233/236 looper letters, 6 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2021-10-19 14:48:20,077 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 221 transitions, 471 flow [2021-10-19 14:48:20,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:48:20,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:48:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 690 transitions. [2021-10-19 14:48:20,078 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9745762711864406 [2021-10-19 14:48:20,078 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 690 transitions. [2021-10-19 14:48:20,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 690 transitions. [2021-10-19 14:48:20,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:20,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 690 transitions. [2021-10-19 14:48:20,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 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 14:48:20,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 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 14:48:20,081 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 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 14:48:20,081 INFO L186 Difference]: Start difference. First operand has 231 places, 222 transitions, 457 flow. Second operand 3 states and 690 transitions. [2021-10-19 14:48:20,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 221 transitions, 471 flow [2021-10-19 14:48:20,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 221 transitions, 461 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-19 14:48:20,084 INFO L242 Difference]: Finished difference. Result has 227 places, 221 transitions, 449 flow [2021-10-19 14:48:20,085 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=449, PETRI_PLACES=227, PETRI_TRANSITIONS=221} [2021-10-19 14:48:20,085 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, -12 predicate places. [2021-10-19 14:48:20,085 INFO L470 AbstractCegarLoop]: Abstraction has has 227 places, 221 transitions, 449 flow [2021-10-19 14:48:20,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 14:48:20,085 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:20,085 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] [2021-10-19 14:48:20,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:48:20,085 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:20,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:20,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1769943953, now seen corresponding path program 1 times [2021-10-19 14:48:20,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:20,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308457085] [2021-10-19 14:48:20,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:20,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:20,114 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 14:48:20,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:20,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308457085] [2021-10-19 14:48:20,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308457085] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:20,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:20,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:48:20,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595840087] [2021-10-19 14:48:20,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:48:20,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:20,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:48:20,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:48:20,117 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 236 [2021-10-19 14:48:20,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 221 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 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 14:48:20,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:20,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 236 [2021-10-19 14:48:20,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:20,143 INFO L129 PetriNetUnfolder]: 0/220 cut-off events. [2021-10-19 14:48:20,143 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-19 14:48:20,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 220 events. 0/220 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-10-19 14:48:20,143 INFO L132 encePairwiseOnDemand]: 234/236 looper letters, 3 selfloop transitions, 1 changer transitions 0/220 dead transitions. [2021-10-19 14:48:20,143 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 220 transitions, 455 flow [2021-10-19 14:48:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:48:20,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:48:20,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 695 transitions. [2021-10-19 14:48:20,145 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.981638418079096 [2021-10-19 14:48:20,145 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 695 transitions. [2021-10-19 14:48:20,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 695 transitions. [2021-10-19 14:48:20,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:20,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 695 transitions. [2021-10-19 14:48:20,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 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 14:48:20,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 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 14:48:20,148 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 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 14:48:20,148 INFO L186 Difference]: Start difference. First operand has 227 places, 221 transitions, 449 flow. Second operand 3 states and 695 transitions. [2021-10-19 14:48:20,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 220 transitions, 455 flow [2021-10-19 14:48:20,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 220 transitions, 451 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:48:20,150 INFO L242 Difference]: Finished difference. Result has 226 places, 220 transitions, 445 flow [2021-10-19 14:48:20,151 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=445, PETRI_PLACES=226, PETRI_TRANSITIONS=220} [2021-10-19 14:48:20,151 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, -13 predicate places. [2021-10-19 14:48:20,151 INFO L470 AbstractCegarLoop]: Abstraction has has 226 places, 220 transitions, 445 flow [2021-10-19 14:48:20,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 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 14:48:20,151 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:20,151 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:48:20,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:48:20,152 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:20,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:20,152 INFO L82 PathProgramCache]: Analyzing trace with hash -142055760, now seen corresponding path program 1 times [2021-10-19 14:48:20,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:20,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380693548] [2021-10-19 14:48:20,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:20,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:20,247 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 14:48:20,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:20,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380693548] [2021-10-19 14:48:20,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380693548] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:20,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:20,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:20,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340875650] [2021-10-19 14:48:20,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:20,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:20,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:20,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:20,250 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 236 [2021-10-19 14:48:20,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 220 transitions, 445 flow. Second operand has 6 states, 6 states have (on average 152.5) internal successors, (915), 6 states have internal predecessors, (915), 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 14:48:20,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:20,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 236 [2021-10-19 14:48:20,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:20,725 INFO L129 PetriNetUnfolder]: 748/2339 cut-off events. [2021-10-19 14:48:20,725 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:48:20,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3977 conditions, 2339 events. 748/2339 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 14474 event pairs, 68 based on Foata normal form. 0/2087 useless extension candidates. Maximal degree in co-relation 3903. Up to 790 conditions per place. [2021-10-19 14:48:20,739 INFO L132 encePairwiseOnDemand]: 208/236 looper letters, 170 selfloop transitions, 70 changer transitions 0/376 dead transitions. [2021-10-19 14:48:20,740 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 376 transitions, 1237 flow [2021-10-19 14:48:20,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:20,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1112 transitions. [2021-10-19 14:48:20,742 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7853107344632768 [2021-10-19 14:48:20,742 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1112 transitions. [2021-10-19 14:48:20,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1112 transitions. [2021-10-19 14:48:20,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:20,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1112 transitions. [2021-10-19 14:48:20,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 185.33333333333334) internal successors, (1112), 6 states have internal predecessors, (1112), 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 14:48:20,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:20,746 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:20,746 INFO L186 Difference]: Start difference. First operand has 226 places, 220 transitions, 445 flow. Second operand 6 states and 1112 transitions. [2021-10-19 14:48:20,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 376 transitions, 1237 flow [2021-10-19 14:48:20,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 376 transitions, 1236 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:48:20,751 INFO L242 Difference]: Finished difference. Result has 234 places, 290 transitions, 922 flow [2021-10-19 14:48:20,751 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=922, PETRI_PLACES=234, PETRI_TRANSITIONS=290} [2021-10-19 14:48:20,751 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, -5 predicate places. [2021-10-19 14:48:20,752 INFO L470 AbstractCegarLoop]: Abstraction has has 234 places, 290 transitions, 922 flow [2021-10-19 14:48:20,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 152.5) internal successors, (915), 6 states have internal predecessors, (915), 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 14:48:20,752 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:20,752 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, 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 14:48:20,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:48:20,752 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:20,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:20,753 INFO L82 PathProgramCache]: Analyzing trace with hash 410387094, now seen corresponding path program 1 times [2021-10-19 14:48:20,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:20,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703620107] [2021-10-19 14:48:20,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:20,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:20,857 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 14:48:20,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:20,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703620107] [2021-10-19 14:48:20,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703620107] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:20,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:20,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:20,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612927226] [2021-10-19 14:48:20,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:20,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:20,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:20,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:20,859 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 236 [2021-10-19 14:48:20,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 290 transitions, 922 flow. Second operand has 6 states, 6 states have (on average 152.5) internal successors, (915), 6 states have internal predecessors, (915), 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 14:48:20,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:20,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 236 [2021-10-19 14:48:20,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:21,276 INFO L129 PetriNetUnfolder]: 836/2633 cut-off events. [2021-10-19 14:48:21,276 INFO L130 PetriNetUnfolder]: For 877/877 co-relation queries the response was YES. [2021-10-19 14:48:21,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5877 conditions, 2633 events. 836/2633 cut-off events. For 877/877 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 16725 event pairs, 379 based on Foata normal form. 0/2448 useless extension candidates. Maximal degree in co-relation 5801. Up to 1700 conditions per place. [2021-10-19 14:48:21,290 INFO L132 encePairwiseOnDemand]: 221/236 looper letters, 166 selfloop transitions, 48 changer transitions 0/350 dead transitions. [2021-10-19 14:48:21,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 350 transitions, 1566 flow [2021-10-19 14:48:21,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1007 transitions. [2021-10-19 14:48:21,292 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7111581920903954 [2021-10-19 14:48:21,292 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1007 transitions. [2021-10-19 14:48:21,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1007 transitions. [2021-10-19 14:48:21,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:21,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1007 transitions. [2021-10-19 14:48:21,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 states have internal predecessors, (1007), 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 14:48:21,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:21,296 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:21,296 INFO L186 Difference]: Start difference. First operand has 234 places, 290 transitions, 922 flow. Second operand 6 states and 1007 transitions. [2021-10-19 14:48:21,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 350 transitions, 1566 flow [2021-10-19 14:48:21,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 350 transitions, 1566 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-19 14:48:21,305 INFO L242 Difference]: Finished difference. Result has 244 places, 333 transitions, 1310 flow [2021-10-19 14:48:21,305 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1310, PETRI_PLACES=244, PETRI_TRANSITIONS=333} [2021-10-19 14:48:21,305 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 5 predicate places. [2021-10-19 14:48:21,305 INFO L470 AbstractCegarLoop]: Abstraction has has 244 places, 333 transitions, 1310 flow [2021-10-19 14:48:21,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 152.5) internal successors, (915), 6 states have internal predecessors, (915), 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 14:48:21,306 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:21,306 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:21,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:48:21,306 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:21,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:21,307 INFO L82 PathProgramCache]: Analyzing trace with hash 110744483, now seen corresponding path program 1 times [2021-10-19 14:48:21,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:21,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772002263] [2021-10-19 14:48:21,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:21,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:21,377 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 14:48:21,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:21,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772002263] [2021-10-19 14:48:21,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772002263] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:21,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:21,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:21,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805325893] [2021-10-19 14:48:21,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:21,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:21,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:21,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:21,379 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 236 [2021-10-19 14:48:21,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 333 transitions, 1310 flow. Second operand has 6 states, 6 states have (on average 153.66666666666666) internal successors, (922), 6 states have internal predecessors, (922), 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 14:48:21,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:21,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 236 [2021-10-19 14:48:21,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:22,025 INFO L129 PetriNetUnfolder]: 1057/3410 cut-off events. [2021-10-19 14:48:22,025 INFO L130 PetriNetUnfolder]: For 2175/2319 co-relation queries the response was YES. [2021-10-19 14:48:22,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8529 conditions, 3410 events. 1057/3410 cut-off events. For 2175/2319 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 23936 event pairs, 222 based on Foata normal form. 0/3275 useless extension candidates. Maximal degree in co-relation 8445. Up to 1725 conditions per place. [2021-10-19 14:48:22,041 INFO L132 encePairwiseOnDemand]: 214/236 looper letters, 272 selfloop transitions, 135 changer transitions 4/548 dead transitions. [2021-10-19 14:48:22,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 548 transitions, 3224 flow [2021-10-19 14:48:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1074 transitions. [2021-10-19 14:48:22,044 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7584745762711864 [2021-10-19 14:48:22,044 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1074 transitions. [2021-10-19 14:48:22,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1074 transitions. [2021-10-19 14:48:22,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:22,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1074 transitions. [2021-10-19 14:48:22,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 179.0) internal successors, (1074), 6 states have internal predecessors, (1074), 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 14:48:22,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:22,050 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:22,050 INFO L186 Difference]: Start difference. First operand has 244 places, 333 transitions, 1310 flow. Second operand 6 states and 1074 transitions. [2021-10-19 14:48:22,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 548 transitions, 3224 flow [2021-10-19 14:48:22,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 548 transitions, 3206 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-10-19 14:48:22,067 INFO L242 Difference]: Finished difference. Result has 254 places, 463 transitions, 2650 flow [2021-10-19 14:48:22,068 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=1292, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2650, PETRI_PLACES=254, PETRI_TRANSITIONS=463} [2021-10-19 14:48:22,068 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 15 predicate places. [2021-10-19 14:48:22,068 INFO L470 AbstractCegarLoop]: Abstraction has has 254 places, 463 transitions, 2650 flow [2021-10-19 14:48:22,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.66666666666666) internal successors, (922), 6 states have internal predecessors, (922), 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 14:48:22,069 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:22,069 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:22,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:48:22,069 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:22,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:22,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1524528229, now seen corresponding path program 1 times [2021-10-19 14:48:22,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:22,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611541331] [2021-10-19 14:48:22,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:22,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:22,154 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 14:48:22,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:22,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611541331] [2021-10-19 14:48:22,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611541331] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:22,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:22,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:48:22,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885331488] [2021-10-19 14:48:22,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:48:22,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:22,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:48:22,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:48:22,157 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 236 [2021-10-19 14:48:22,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 463 transitions, 2650 flow. Second operand has 6 states, 6 states have (on average 153.5) internal successors, (921), 6 states have internal predecessors, (921), 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 14:48:22,158 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:22,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 236 [2021-10-19 14:48:22,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:22,722 INFO L129 PetriNetUnfolder]: 1055/3421 cut-off events. [2021-10-19 14:48:22,723 INFO L130 PetriNetUnfolder]: For 3983/4055 co-relation queries the response was YES. [2021-10-19 14:48:22,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10286 conditions, 3421 events. 1055/3421 cut-off events. For 3983/4055 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 24079 event pairs, 258 based on Foata normal form. 0/3331 useless extension candidates. Maximal degree in co-relation 10200. Up to 2152 conditions per place. [2021-10-19 14:48:22,743 INFO L132 encePairwiseOnDemand]: 221/236 looper letters, 331 selfloop transitions, 62 changer transitions 0/530 dead transitions. [2021-10-19 14:48:22,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 530 transitions, 3850 flow [2021-10-19 14:48:22,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:48:22,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:48:22,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1007 transitions. [2021-10-19 14:48:22,747 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7111581920903954 [2021-10-19 14:48:22,747 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1007 transitions. [2021-10-19 14:48:22,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1007 transitions. [2021-10-19 14:48:22,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:22,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1007 transitions. [2021-10-19 14:48:22,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 states have internal predecessors, (1007), 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 14:48:22,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:22,751 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 236.0) internal successors, (1652), 7 states have internal predecessors, (1652), 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 14:48:22,751 INFO L186 Difference]: Start difference. First operand has 254 places, 463 transitions, 2650 flow. Second operand 6 states and 1007 transitions. [2021-10-19 14:48:22,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 530 transitions, 3850 flow [2021-10-19 14:48:22,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 530 transitions, 3814 flow, removed 18 selfloop flow, removed 0 redundant places. [2021-10-19 14:48:22,801 INFO L242 Difference]: Finished difference. Result has 264 places, 512 transitions, 3240 flow [2021-10-19 14:48:22,802 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=2614, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3240, PETRI_PLACES=264, PETRI_TRANSITIONS=512} [2021-10-19 14:48:22,802 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 25 predicate places. [2021-10-19 14:48:22,802 INFO L470 AbstractCegarLoop]: Abstraction has has 264 places, 512 transitions, 3240 flow [2021-10-19 14:48:22,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.5) internal successors, (921), 6 states have internal predecessors, (921), 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 14:48:22,803 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:22,803 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:22,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-19 14:48:22,803 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:22,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:22,803 INFO L82 PathProgramCache]: Analyzing trace with hash 907391625, now seen corresponding path program 1 times [2021-10-19 14:48:22,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:22,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043465487] [2021-10-19 14:48:22,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:22,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:23,007 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 14:48:23,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:23,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043465487] [2021-10-19 14:48:23,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043465487] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:23,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:23,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:23,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883198443] [2021-10-19 14:48:23,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:23,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:23,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:23,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:23,010 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:48:23,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 512 transitions, 3240 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:23,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:23,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:48:23,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:25,277 INFO L129 PetriNetUnfolder]: 1910/6098 cut-off events. [2021-10-19 14:48:25,277 INFO L130 PetriNetUnfolder]: For 10033/10158 co-relation queries the response was YES. [2021-10-19 14:48:25,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19815 conditions, 6098 events. 1910/6098 cut-off events. For 10033/10158 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 50688 event pairs, 237 based on Foata normal form. 45/6037 useless extension candidates. Maximal degree in co-relation 19713. Up to 1274 conditions per place. [2021-10-19 14:48:25,308 INFO L132 encePairwiseOnDemand]: 199/236 looper letters, 797 selfloop transitions, 253 changer transitions 6/1174 dead transitions. [2021-10-19 14:48:25,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 1174 transitions, 10318 flow [2021-10-19 14:48:25,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:48:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-19 14:48:25,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3999 transitions. [2021-10-19 14:48:25,315 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6051755447941889 [2021-10-19 14:48:25,315 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3999 transitions. [2021-10-19 14:48:25,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3999 transitions. [2021-10-19 14:48:25,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:25,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3999 transitions. [2021-10-19 14:48:25,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 142.82142857142858) internal successors, (3999), 28 states have internal predecessors, (3999), 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 14:48:25,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 236.0) internal successors, (6844), 29 states have internal predecessors, (6844), 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 14:48:25,331 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 236.0) internal successors, (6844), 29 states have internal predecessors, (6844), 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 14:48:25,331 INFO L186 Difference]: Start difference. First operand has 264 places, 512 transitions, 3240 flow. Second operand 28 states and 3999 transitions. [2021-10-19 14:48:25,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 1174 transitions, 10318 flow [2021-10-19 14:48:25,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 1174 transitions, 10094 flow, removed 112 selfloop flow, removed 0 redundant places. [2021-10-19 14:48:25,384 INFO L242 Difference]: Finished difference. Result has 303 places, 677 transitions, 5623 flow [2021-10-19 14:48:25,385 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=3128, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=5623, PETRI_PLACES=303, PETRI_TRANSITIONS=677} [2021-10-19 14:48:25,385 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 64 predicate places. [2021-10-19 14:48:25,385 INFO L470 AbstractCegarLoop]: Abstraction has has 303 places, 677 transitions, 5623 flow [2021-10-19 14:48:25,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:25,386 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:25,387 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:25,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-19 14:48:25,387 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:25,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:25,387 INFO L82 PathProgramCache]: Analyzing trace with hash -131270912, now seen corresponding path program 1 times [2021-10-19 14:48:25,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:25,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543893342] [2021-10-19 14:48:25,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:25,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:25,629 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 14:48:25,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:25,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543893342] [2021-10-19 14:48:25,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543893342] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:25,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:25,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:25,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245278260] [2021-10-19 14:48:25,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:25,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:25,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:25,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:25,631 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 236 [2021-10-19 14:48:25,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 677 transitions, 5623 flow. Second operand has 13 states, 13 states have (on average 135.46153846153845) internal successors, (1761), 13 states have internal predecessors, (1761), 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 14:48:25,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:25,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 236 [2021-10-19 14:48:25,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:27,094 INFO L129 PetriNetUnfolder]: 1793/5643 cut-off events. [2021-10-19 14:48:27,094 INFO L130 PetriNetUnfolder]: For 14318/14453 co-relation queries the response was YES. [2021-10-19 14:48:27,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20932 conditions, 5643 events. 1793/5643 cut-off events. For 14318/14453 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 45230 event pairs, 356 based on Foata normal form. 33/5599 useless extension candidates. Maximal degree in co-relation 20820. Up to 3250 conditions per place. [2021-10-19 14:48:27,135 INFO L132 encePairwiseOnDemand]: 217/236 looper letters, 565 selfloop transitions, 102 changer transitions 0/798 dead transitions. [2021-10-19 14:48:27,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 798 transitions, 8045 flow [2021-10-19 14:48:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:48:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-19 14:48:27,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1913 transitions. [2021-10-19 14:48:27,139 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6235332464146024 [2021-10-19 14:48:27,139 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1913 transitions. [2021-10-19 14:48:27,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1913 transitions. [2021-10-19 14:48:27,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:27,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1913 transitions. [2021-10-19 14:48:27,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 147.15384615384616) internal successors, (1913), 13 states have internal predecessors, (1913), 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 14:48:27,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 236.0) internal successors, (3304), 14 states have internal predecessors, (3304), 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 14:48:27,147 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 236.0) internal successors, (3304), 14 states have internal predecessors, (3304), 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 14:48:27,147 INFO L186 Difference]: Start difference. First operand has 303 places, 677 transitions, 5623 flow. Second operand 13 states and 1913 transitions. [2021-10-19 14:48:27,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 798 transitions, 8045 flow [2021-10-19 14:48:27,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 798 transitions, 8023 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-10-19 14:48:27,231 INFO L242 Difference]: Finished difference. Result has 318 places, 686 transitions, 6063 flow [2021-10-19 14:48:27,232 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=5601, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=578, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=6063, PETRI_PLACES=318, PETRI_TRANSITIONS=686} [2021-10-19 14:48:27,232 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 79 predicate places. [2021-10-19 14:48:27,232 INFO L470 AbstractCegarLoop]: Abstraction has has 318 places, 686 transitions, 6063 flow [2021-10-19 14:48:27,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 135.46153846153845) internal successors, (1761), 13 states have internal predecessors, (1761), 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 14:48:27,232 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:27,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:27,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-19 14:48:27,233 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:27,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:27,233 INFO L82 PathProgramCache]: Analyzing trace with hash 365989101, now seen corresponding path program 2 times [2021-10-19 14:48:27,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:27,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441008653] [2021-10-19 14:48:27,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:27,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:27,525 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 14:48:27,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:27,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441008653] [2021-10-19 14:48:27,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441008653] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:27,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:27,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:27,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410588424] [2021-10-19 14:48:27,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:27,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:27,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:27,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:27,527 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:48:27,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 686 transitions, 6063 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:27,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:27,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:48:27,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:29,722 INFO L129 PetriNetUnfolder]: 2748/8819 cut-off events. [2021-10-19 14:48:29,722 INFO L130 PetriNetUnfolder]: For 28883/29126 co-relation queries the response was YES. [2021-10-19 14:48:29,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33568 conditions, 8819 events. 2748/8819 cut-off events. For 28883/29126 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 82400 event pairs, 521 based on Foata normal form. 78/8763 useless extension candidates. Maximal degree in co-relation 33443. Up to 2769 conditions per place. [2021-10-19 14:48:29,783 INFO L132 encePairwiseOnDemand]: 204/236 looper letters, 756 selfloop transitions, 253 changer transitions 3/1131 dead transitions. [2021-10-19 14:48:29,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 1131 transitions, 12393 flow [2021-10-19 14:48:29,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-19 14:48:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-19 14:48:29,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2952 transitions. [2021-10-19 14:48:29,788 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5956416464891041 [2021-10-19 14:48:29,788 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2952 transitions. [2021-10-19 14:48:29,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2952 transitions. [2021-10-19 14:48:29,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:29,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2952 transitions. [2021-10-19 14:48:29,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 140.57142857142858) internal successors, (2952), 21 states have internal predecessors, (2952), 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 14:48:29,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 236.0) internal successors, (5192), 22 states have internal predecessors, (5192), 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 14:48:29,798 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 236.0) internal successors, (5192), 22 states have internal predecessors, (5192), 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 14:48:29,798 INFO L186 Difference]: Start difference. First operand has 318 places, 686 transitions, 6063 flow. Second operand 21 states and 2952 transitions. [2021-10-19 14:48:29,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 1131 transitions, 12393 flow [2021-10-19 14:48:29,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 1131 transitions, 12318 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-10-19 14:48:29,926 INFO L242 Difference]: Finished difference. Result has 345 places, 810 transitions, 8731 flow [2021-10-19 14:48:29,927 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=6023, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=8731, PETRI_PLACES=345, PETRI_TRANSITIONS=810} [2021-10-19 14:48:29,927 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 106 predicate places. [2021-10-19 14:48:29,927 INFO L470 AbstractCegarLoop]: Abstraction has has 345 places, 810 transitions, 8731 flow [2021-10-19 14:48:29,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:29,927 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:29,927 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:29,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-19 14:48:29,928 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:29,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:29,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1388065345, now seen corresponding path program 3 times [2021-10-19 14:48:29,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:29,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539326612] [2021-10-19 14:48:29,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:29,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:30,107 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 14:48:30,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:30,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539326612] [2021-10-19 14:48:30,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539326612] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:30,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:30,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:30,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477195255] [2021-10-19 14:48:30,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:30,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:30,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:30,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:30,110 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:48:30,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 810 transitions, 8731 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:30,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:30,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:48:30,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:34,263 INFO L129 PetriNetUnfolder]: 4103/13121 cut-off events. [2021-10-19 14:48:34,263 INFO L130 PetriNetUnfolder]: For 53661/54123 co-relation queries the response was YES. [2021-10-19 14:48:34,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53161 conditions, 13121 events. 4103/13121 cut-off events. For 53661/54123 co-relation queries the response was YES. Maximal size of possible extension queue 383. Compared 135317 event pairs, 578 based on Foata normal form. 160/13097 useless extension candidates. Maximal degree in co-relation 53087. Up to 2937 conditions per place. [2021-10-19 14:48:34,379 INFO L132 encePairwiseOnDemand]: 200/236 looper letters, 863 selfloop transitions, 485 changer transitions 5/1472 dead transitions. [2021-10-19 14:48:34,380 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 1472 transitions, 18460 flow [2021-10-19 14:48:34,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:48:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-19 14:48:34,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3972 transitions. [2021-10-19 14:48:34,384 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.601089588377724 [2021-10-19 14:48:34,384 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3972 transitions. [2021-10-19 14:48:34,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3972 transitions. [2021-10-19 14:48:34,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:34,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3972 transitions. [2021-10-19 14:48:34,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 141.85714285714286) internal successors, (3972), 28 states have internal predecessors, (3972), 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 14:48:34,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 236.0) internal successors, (6844), 29 states have internal predecessors, (6844), 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 14:48:34,397 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 236.0) internal successors, (6844), 29 states have internal predecessors, (6844), 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 14:48:34,397 INFO L186 Difference]: Start difference. First operand has 345 places, 810 transitions, 8731 flow. Second operand 28 states and 3972 transitions. [2021-10-19 14:48:34,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 1472 transitions, 18460 flow [2021-10-19 14:48:34,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 1472 transitions, 18368 flow, removed 44 selfloop flow, removed 2 redundant places. [2021-10-19 14:48:34,742 INFO L242 Difference]: Finished difference. Result has 384 places, 991 transitions, 13688 flow [2021-10-19 14:48:34,743 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=8687, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=810, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=320, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=13688, PETRI_PLACES=384, PETRI_TRANSITIONS=991} [2021-10-19 14:48:34,743 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 145 predicate places. [2021-10-19 14:48:34,743 INFO L470 AbstractCegarLoop]: Abstraction has has 384 places, 991 transitions, 13688 flow [2021-10-19 14:48:34,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:34,744 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:34,744 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:34,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-19 14:48:34,744 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:34,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:34,744 INFO L82 PathProgramCache]: Analyzing trace with hash -899004551, now seen corresponding path program 4 times [2021-10-19 14:48:34,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:34,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015473874] [2021-10-19 14:48:34,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:34,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:34,923 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 14:48:34,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:34,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015473874] [2021-10-19 14:48:34,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015473874] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:34,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:34,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:34,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825818712] [2021-10-19 14:48:34,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:34,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:34,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:34,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:34,926 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:48:34,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 991 transitions, 13688 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:34,927 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:34,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:48:34,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:39,309 INFO L129 PetriNetUnfolder]: 4197/13212 cut-off events. [2021-10-19 14:48:39,310 INFO L130 PetriNetUnfolder]: For 75127/75741 co-relation queries the response was YES. [2021-10-19 14:48:39,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58380 conditions, 13212 events. 4197/13212 cut-off events. For 75127/75741 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 134957 event pairs, 700 based on Foata normal form. 110/13137 useless extension candidates. Maximal degree in co-relation 58284. Up to 5578 conditions per place. [2021-10-19 14:48:39,430 INFO L132 encePairwiseOnDemand]: 206/236 looper letters, 957 selfloop transitions, 318 changer transitions 7/1401 dead transitions. [2021-10-19 14:48:39,430 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 1401 transitions, 19990 flow [2021-10-19 14:48:39,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-19 14:48:39,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-19 14:48:39,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 4055 transitions. [2021-10-19 14:48:39,434 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.592489772063121 [2021-10-19 14:48:39,434 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 4055 transitions. [2021-10-19 14:48:39,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 4055 transitions. [2021-10-19 14:48:39,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:39,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 4055 transitions. [2021-10-19 14:48:39,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 139.82758620689654) internal successors, (4055), 29 states have internal predecessors, (4055), 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 14:48:39,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 236.0) internal successors, (7080), 30 states have internal predecessors, (7080), 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 14:48:39,446 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 236.0) internal successors, (7080), 30 states have internal predecessors, (7080), 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 14:48:39,446 INFO L186 Difference]: Start difference. First operand has 384 places, 991 transitions, 13688 flow. Second operand 29 states and 4055 transitions. [2021-10-19 14:48:39,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 1401 transitions, 19990 flow [2021-10-19 14:48:40,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 1401 transitions, 19774 flow, removed 79 selfloop flow, removed 12 redundant places. [2021-10-19 14:48:40,046 INFO L242 Difference]: Finished difference. Result has 406 places, 1052 transitions, 15408 flow [2021-10-19 14:48:40,047 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=13494, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=991, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=258, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=685, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=15408, PETRI_PLACES=406, PETRI_TRANSITIONS=1052} [2021-10-19 14:48:40,047 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 167 predicate places. [2021-10-19 14:48:40,047 INFO L470 AbstractCegarLoop]: Abstraction has has 406 places, 1052 transitions, 15408 flow [2021-10-19 14:48:40,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:40,047 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:40,048 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:40,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-19 14:48:40,048 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:40,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:40,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1948808675, now seen corresponding path program 5 times [2021-10-19 14:48:40,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:40,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677073785] [2021-10-19 14:48:40,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:40,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:40,217 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 14:48:40,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:40,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677073785] [2021-10-19 14:48:40,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677073785] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:40,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:40,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:40,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557221755] [2021-10-19 14:48:40,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:40,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:40,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:40,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:40,219 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:48:40,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 1052 transitions, 15408 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:40,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:40,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:48:40,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:45,149 INFO L129 PetriNetUnfolder]: 4785/15075 cut-off events. [2021-10-19 14:48:45,149 INFO L130 PetriNetUnfolder]: For 102562/103033 co-relation queries the response was YES. [2021-10-19 14:48:45,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70231 conditions, 15075 events. 4785/15075 cut-off events. For 102562/103033 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 159372 event pairs, 750 based on Foata normal form. 170/15036 useless extension candidates. Maximal degree in co-relation 70125. Up to 3560 conditions per place. [2021-10-19 14:48:45,300 INFO L132 encePairwiseOnDemand]: 199/236 looper letters, 1017 selfloop transitions, 525 changer transitions 5/1666 dead transitions. [2021-10-19 14:48:45,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 1666 transitions, 25304 flow [2021-10-19 14:48:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-19 14:48:45,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-19 14:48:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 3848 transitions. [2021-10-19 14:48:45,304 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6038920276208412 [2021-10-19 14:48:45,304 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 3848 transitions. [2021-10-19 14:48:45,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 3848 transitions. [2021-10-19 14:48:45,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:45,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 3848 transitions. [2021-10-19 14:48:45,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 142.5185185185185) internal successors, (3848), 27 states have internal predecessors, (3848), 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 14:48:45,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 236.0) internal successors, (6608), 28 states have internal predecessors, (6608), 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 14:48:45,313 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 236.0) internal successors, (6608), 28 states have internal predecessors, (6608), 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 14:48:45,313 INFO L186 Difference]: Start difference. First operand has 406 places, 1052 transitions, 15408 flow. Second operand 27 states and 3848 transitions. [2021-10-19 14:48:45,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 1666 transitions, 25304 flow [2021-10-19 14:48:45,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 1666 transitions, 25193 flow, removed 10 selfloop flow, removed 15 redundant places. [2021-10-19 14:48:46,010 INFO L242 Difference]: Finished difference. Result has 427 places, 1168 transitions, 19773 flow [2021-10-19 14:48:46,011 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=15305, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=409, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=19773, PETRI_PLACES=427, PETRI_TRANSITIONS=1168} [2021-10-19 14:48:46,012 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 188 predicate places. [2021-10-19 14:48:46,012 INFO L470 AbstractCegarLoop]: Abstraction has has 427 places, 1168 transitions, 19773 flow [2021-10-19 14:48:46,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:46,012 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:46,012 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:46,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-19 14:48:46,012 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:46,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:46,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1351499347, now seen corresponding path program 6 times [2021-10-19 14:48:46,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:46,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746868662] [2021-10-19 14:48:46,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:46,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:46,206 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 14:48:46,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:46,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746868662] [2021-10-19 14:48:46,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746868662] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:46,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:46,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:46,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141947555] [2021-10-19 14:48:46,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:46,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:46,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:46,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:46,209 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:48:46,210 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 1168 transitions, 19773 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:46,210 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:46,210 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:48:46,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:48:52,964 INFO L129 PetriNetUnfolder]: 6309/20208 cut-off events. [2021-10-19 14:48:52,964 INFO L130 PetriNetUnfolder]: For 163483/164199 co-relation queries the response was YES. [2021-10-19 14:48:53,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96965 conditions, 20208 events. 6309/20208 cut-off events. For 163483/164199 co-relation queries the response was YES. Maximal size of possible extension queue 645. Compared 229019 event pairs, 998 based on Foata normal form. 277/20230 useless extension candidates. Maximal degree in co-relation 96813. Up to 5260 conditions per place. [2021-10-19 14:48:53,161 INFO L132 encePairwiseOnDemand]: 199/236 looper letters, 951 selfloop transitions, 717 changer transitions 6/1793 dead transitions. [2021-10-19 14:48:53,161 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 1793 transitions, 31174 flow [2021-10-19 14:48:53,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-19 14:48:53,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-10-19 14:48:53,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2952 transitions. [2021-10-19 14:48:53,164 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6254237288135593 [2021-10-19 14:48:53,164 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2952 transitions. [2021-10-19 14:48:53,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2952 transitions. [2021-10-19 14:48:53,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:48:53,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2952 transitions. [2021-10-19 14:48:53,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 147.6) internal successors, (2952), 20 states have internal predecessors, (2952), 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 14:48:53,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 236.0) internal successors, (4956), 21 states have internal predecessors, (4956), 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 14:48:53,171 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 236.0) internal successors, (4956), 21 states have internal predecessors, (4956), 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 14:48:53,171 INFO L186 Difference]: Start difference. First operand has 427 places, 1168 transitions, 19773 flow. Second operand 20 states and 2952 transitions. [2021-10-19 14:48:53,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 1793 transitions, 31174 flow [2021-10-19 14:48:54,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 1793 transitions, 30949 flow, removed 33 selfloop flow, removed 15 redundant places. [2021-10-19 14:48:54,360 INFO L242 Difference]: Finished difference. Result has 447 places, 1349 transitions, 26739 flow [2021-10-19 14:48:54,361 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=19622, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=536, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=26739, PETRI_PLACES=447, PETRI_TRANSITIONS=1349} [2021-10-19 14:48:54,361 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 208 predicate places. [2021-10-19 14:48:54,361 INFO L470 AbstractCegarLoop]: Abstraction has has 447 places, 1349 transitions, 26739 flow [2021-10-19 14:48:54,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:54,362 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:48:54,362 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:54,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-19 14:48:54,362 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:48:54,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:48:54,362 INFO L82 PathProgramCache]: Analyzing trace with hash -453443933, now seen corresponding path program 7 times [2021-10-19 14:48:54,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:48:54,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956554854] [2021-10-19 14:48:54,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:48:54,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:48:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:48:54,519 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 14:48:54,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:48:54,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956554854] [2021-10-19 14:48:54,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956554854] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:48:54,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:48:54,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:48:54,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702030126] [2021-10-19 14:48:54,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:48:54,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:48:54,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:48:54,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:48:54,522 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:48:54,522 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 1349 transitions, 26739 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:48:54,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:48:54,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:48:54,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:49:02,793 INFO L129 PetriNetUnfolder]: 6757/21735 cut-off events. [2021-10-19 14:49:02,793 INFO L130 PetriNetUnfolder]: For 219968/220607 co-relation queries the response was YES. [2021-10-19 14:49:03,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109863 conditions, 21735 events. 6757/21735 cut-off events. For 219968/220607 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 251165 event pairs, 1080 based on Foata normal form. 268/21724 useless extension candidates. Maximal degree in co-relation 109743. Up to 4453 conditions per place. [2021-10-19 14:49:03,274 INFO L132 encePairwiseOnDemand]: 199/236 looper letters, 990 selfloop transitions, 818 changer transitions 7/1934 dead transitions. [2021-10-19 14:49:03,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 1934 transitions, 37097 flow [2021-10-19 14:49:03,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-19 14:49:03,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-19 14:49:03,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 4138 transitions. [2021-10-19 14:49:03,278 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6046171829339567 [2021-10-19 14:49:03,278 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 4138 transitions. [2021-10-19 14:49:03,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 4138 transitions. [2021-10-19 14:49:03,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:49:03,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 4138 transitions. [2021-10-19 14:49:03,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 142.68965517241378) internal successors, (4138), 29 states have internal predecessors, (4138), 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 14:49:03,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 236.0) internal successors, (7080), 30 states have internal predecessors, (7080), 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 14:49:03,289 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 236.0) internal successors, (7080), 30 states have internal predecessors, (7080), 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 14:49:03,289 INFO L186 Difference]: Start difference. First operand has 447 places, 1349 transitions, 26739 flow. Second operand 29 states and 4138 transitions. [2021-10-19 14:49:03,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 1934 transitions, 37097 flow [2021-10-19 14:49:05,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 1934 transitions, 37069 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-10-19 14:49:05,163 INFO L242 Difference]: Finished difference. Result has 485 places, 1450 transitions, 32361 flow [2021-10-19 14:49:05,164 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=26713, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=719, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=552, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=32361, PETRI_PLACES=485, PETRI_TRANSITIONS=1450} [2021-10-19 14:49:05,164 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 246 predicate places. [2021-10-19 14:49:05,164 INFO L470 AbstractCegarLoop]: Abstraction has has 485 places, 1450 transitions, 32361 flow [2021-10-19 14:49:05,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:49:05,165 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:49:05,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:49:05,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-19 14:49:05,165 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:49:05,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:49:05,166 INFO L82 PathProgramCache]: Analyzing trace with hash 2012121351, now seen corresponding path program 8 times [2021-10-19 14:49:05,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:49:05,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806873122] [2021-10-19 14:49:05,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:49:05,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:49:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:49:05,378 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 14:49:05,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:49:05,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806873122] [2021-10-19 14:49:05,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806873122] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:49:05,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:49:05,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:49:05,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680505432] [2021-10-19 14:49:05,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:49:05,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:49:05,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:49:05,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:49:05,380 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:49:05,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 1450 transitions, 32361 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:49:05,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:49:05,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:49:05,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:49:16,624 INFO L129 PetriNetUnfolder]: 8286/26701 cut-off events. [2021-10-19 14:49:16,625 INFO L130 PetriNetUnfolder]: For 322713/323622 co-relation queries the response was YES. [2021-10-19 14:49:16,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141047 conditions, 26701 events. 8286/26701 cut-off events. For 322713/323622 co-relation queries the response was YES. Maximal size of possible extension queue 881. Compared 322261 event pairs, 1387 based on Foata normal form. 363/26732 useless extension candidates. Maximal degree in co-relation 140905. Up to 5763 conditions per place. [2021-10-19 14:49:17,078 INFO L132 encePairwiseOnDemand]: 199/236 looper letters, 1059 selfloop transitions, 887 changer transitions 6/2071 dead transitions. [2021-10-19 14:49:17,079 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 2071 transitions, 45446 flow [2021-10-19 14:49:17,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-19 14:49:17,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-19 14:49:17,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3082 transitions. [2021-10-19 14:49:17,081 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6218724778046812 [2021-10-19 14:49:17,081 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3082 transitions. [2021-10-19 14:49:17,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3082 transitions. [2021-10-19 14:49:17,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:49:17,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3082 transitions. [2021-10-19 14:49:17,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 146.76190476190476) internal successors, (3082), 21 states have internal predecessors, (3082), 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 14:49:17,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 236.0) internal successors, (5192), 22 states have internal predecessors, (5192), 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 14:49:17,088 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 236.0) internal successors, (5192), 22 states have internal predecessors, (5192), 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 14:49:17,088 INFO L186 Difference]: Start difference. First operand has 485 places, 1450 transitions, 32361 flow. Second operand 21 states and 3082 transitions. [2021-10-19 14:49:17,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 2071 transitions, 45446 flow [2021-10-19 14:49:20,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 2071 transitions, 45168 flow, removed 37 selfloop flow, removed 15 redundant places. [2021-10-19 14:49:20,368 INFO L242 Difference]: Finished difference. Result has 507 places, 1624 transitions, 40878 flow [2021-10-19 14:49:20,369 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=32187, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=715, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=628, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=40878, PETRI_PLACES=507, PETRI_TRANSITIONS=1624} [2021-10-19 14:49:20,369 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 268 predicate places. [2021-10-19 14:49:20,369 INFO L470 AbstractCegarLoop]: Abstraction has has 507 places, 1624 transitions, 40878 flow [2021-10-19 14:49:20,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:49:20,369 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:49:20,370 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:49:20,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-19 14:49:20,370 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:49:20,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:49:20,370 INFO L82 PathProgramCache]: Analyzing trace with hash -735656781, now seen corresponding path program 9 times [2021-10-19 14:49:20,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:49:20,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021871778] [2021-10-19 14:49:20,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:49:20,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:49:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:49:20,532 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 14:49:20,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:49:20,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021871778] [2021-10-19 14:49:20,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021871778] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:49:20,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:49:20,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:49:20,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259994533] [2021-10-19 14:49:20,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:49:20,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:49:20,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:49:20,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:49:20,535 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:49:20,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 1624 transitions, 40878 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:49:20,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:49:20,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:49:20,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:49:34,485 INFO L129 PetriNetUnfolder]: 9248/29634 cut-off events. [2021-10-19 14:49:34,485 INFO L130 PetriNetUnfolder]: For 437020/437980 co-relation queries the response was YES. [2021-10-19 14:49:35,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165026 conditions, 29634 events. 9248/29634 cut-off events. For 437020/437980 co-relation queries the response was YES. Maximal size of possible extension queue 982. Compared 363784 event pairs, 1345 based on Foata normal form. 390/29647 useless extension candidates. Maximal degree in co-relation 164865. Up to 7184 conditions per place. [2021-10-19 14:49:35,137 INFO L132 encePairwiseOnDemand]: 199/236 looper letters, 1077 selfloop transitions, 1095 changer transitions 6/2297 dead transitions. [2021-10-19 14:49:35,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 2297 transitions, 55313 flow [2021-10-19 14:49:35,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:49:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-19 14:49:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4256 transitions. [2021-10-19 14:49:35,140 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6011299435028249 [2021-10-19 14:49:35,140 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 4256 transitions. [2021-10-19 14:49:35,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 4256 transitions. [2021-10-19 14:49:35,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:49:35,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 4256 transitions. [2021-10-19 14:49:35,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 141.86666666666667) internal successors, (4256), 30 states have internal predecessors, (4256), 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 14:49:35,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 236.0) internal successors, (7316), 31 states have internal predecessors, (7316), 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 14:49:35,149 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 236.0) internal successors, (7316), 31 states have internal predecessors, (7316), 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 14:49:35,149 INFO L186 Difference]: Start difference. First operand has 507 places, 1624 transitions, 40878 flow. Second operand 30 states and 4256 transitions. [2021-10-19 14:49:35,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 2297 transitions, 55313 flow [2021-10-19 14:49:39,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 2297 transitions, 55168 flow, removed 52 selfloop flow, removed 3 redundant places. [2021-10-19 14:49:39,887 INFO L242 Difference]: Finished difference. Result has 548 places, 1773 transitions, 49981 flow [2021-10-19 14:49:39,888 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=40768, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1624, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=950, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=49981, PETRI_PLACES=548, PETRI_TRANSITIONS=1773} [2021-10-19 14:49:39,888 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 309 predicate places. [2021-10-19 14:49:39,888 INFO L470 AbstractCegarLoop]: Abstraction has has 548 places, 1773 transitions, 49981 flow [2021-10-19 14:49:39,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:49:39,889 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:49:39,889 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:49:39,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-19 14:49:39,889 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:49:39,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:49:39,889 INFO L82 PathProgramCache]: Analyzing trace with hash -830622647, now seen corresponding path program 10 times [2021-10-19 14:49:39,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:49:39,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887877002] [2021-10-19 14:49:39,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:49:39,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:49:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:49:40,043 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 14:49:40,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:49:40,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887877002] [2021-10-19 14:49:40,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887877002] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:49:40,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:49:40,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:49:40,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658068246] [2021-10-19 14:49:40,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:49:40,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:49:40,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:49:40,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:49:40,045 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:49:40,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 1773 transitions, 49981 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:49:40,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:49:40,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:49:40,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:49:56,666 INFO L129 PetriNetUnfolder]: 9814/31467 cut-off events. [2021-10-19 14:49:56,679 INFO L130 PetriNetUnfolder]: For 567940/569009 co-relation queries the response was YES. [2021-10-19 14:49:57,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183722 conditions, 31467 events. 9814/31467 cut-off events. For 567940/569009 co-relation queries the response was YES. Maximal size of possible extension queue 1045. Compared 389980 event pairs, 1521 based on Foata normal form. 360/31417 useless extension candidates. Maximal degree in co-relation 183549. Up to 6755 conditions per place. [2021-10-19 14:49:57,793 INFO L132 encePairwiseOnDemand]: 199/236 looper letters, 1249 selfloop transitions, 1024 changer transitions 5/2397 dead transitions. [2021-10-19 14:49:57,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 2397 transitions, 63667 flow [2021-10-19 14:49:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:49:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-19 14:49:57,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3983 transitions. [2021-10-19 14:49:57,919 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6027542372881356 [2021-10-19 14:49:57,919 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3983 transitions. [2021-10-19 14:49:57,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3983 transitions. [2021-10-19 14:49:57,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:49:57,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3983 transitions. [2021-10-19 14:49:57,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 142.25) internal successors, (3983), 28 states have internal predecessors, (3983), 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 14:49:57,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 236.0) internal successors, (6844), 29 states have internal predecessors, (6844), 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 14:49:57,926 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 236.0) internal successors, (6844), 29 states have internal predecessors, (6844), 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 14:49:57,926 INFO L186 Difference]: Start difference. First operand has 548 places, 1773 transitions, 49981 flow. Second operand 28 states and 3983 transitions. [2021-10-19 14:49:57,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 2397 transitions, 63667 flow [2021-10-19 14:50:04,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 2397 transitions, 63349 flow, removed 107 selfloop flow, removed 13 redundant places. [2021-10-19 14:50:04,238 INFO L242 Difference]: Finished difference. Result has 573 places, 1882 transitions, 57444 flow [2021-10-19 14:50:04,240 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=49677, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1773, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=915, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=762, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=57444, PETRI_PLACES=573, PETRI_TRANSITIONS=1882} [2021-10-19 14:50:04,240 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 334 predicate places. [2021-10-19 14:50:04,240 INFO L470 AbstractCegarLoop]: Abstraction has has 573 places, 1882 transitions, 57444 flow [2021-10-19 14:50:04,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:50:04,240 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:50:04,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:04,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-19 14:50:04,241 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:50:04,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:50:04,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1708305133, now seen corresponding path program 11 times [2021-10-19 14:50:04,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:50:04,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126727606] [2021-10-19 14:50:04,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:50:04,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:50:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:50:04,403 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 14:50:04,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:50:04,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126727606] [2021-10-19 14:50:04,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126727606] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:50:04,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:50:04,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:50:04,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976728558] [2021-10-19 14:50:04,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:50:04,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:50:04,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:50:04,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:50:04,406 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:50:04,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 1882 transitions, 57444 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:50:04,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:50:04,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:50:04,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:50:23,350 INFO L129 PetriNetUnfolder]: 10630/34304 cut-off events. [2021-10-19 14:50:23,350 INFO L130 PetriNetUnfolder]: For 717345/718443 co-relation queries the response was YES. [2021-10-19 14:50:24,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206347 conditions, 34304 events. 10630/34304 cut-off events. For 717345/718443 co-relation queries the response was YES. Maximal size of possible extension queue 1153. Compared 432489 event pairs, 1628 based on Foata normal form. 466/34345 useless extension candidates. Maximal degree in co-relation 206163. Up to 8927 conditions per place. [2021-10-19 14:50:24,378 INFO L132 encePairwiseOnDemand]: 199/236 looper letters, 1076 selfloop transitions, 1277 changer transitions 7/2479 dead transitions. [2021-10-19 14:50:24,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 2479 transitions, 71170 flow [2021-10-19 14:50:24,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:50:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-19 14:50:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4253 transitions. [2021-10-19 14:50:24,382 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6007062146892655 [2021-10-19 14:50:24,382 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 4253 transitions. [2021-10-19 14:50:24,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 4253 transitions. [2021-10-19 14:50:24,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:50:24,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 4253 transitions. [2021-10-19 14:50:24,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 141.76666666666668) internal successors, (4253), 30 states have internal predecessors, (4253), 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 14:50:24,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 236.0) internal successors, (7316), 31 states have internal predecessors, (7316), 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 14:50:24,390 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 236.0) internal successors, (7316), 31 states have internal predecessors, (7316), 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 14:50:24,390 INFO L186 Difference]: Start difference. First operand has 573 places, 1882 transitions, 57444 flow. Second operand 30 states and 4253 transitions. [2021-10-19 14:50:24,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 2479 transitions, 71170 flow [2021-10-19 14:50:31,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 2479 transitions, 70894 flow, removed 86 selfloop flow, removed 13 redundant places. [2021-10-19 14:50:31,966 INFO L242 Difference]: Finished difference. Result has 604 places, 2003 transitions, 66763 flow [2021-10-19 14:50:31,967 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=57186, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1882, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=637, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=66763, PETRI_PLACES=604, PETRI_TRANSITIONS=2003} [2021-10-19 14:50:31,968 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 365 predicate places. [2021-10-19 14:50:31,968 INFO L470 AbstractCegarLoop]: Abstraction has has 604 places, 2003 transitions, 66763 flow [2021-10-19 14:50:31,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:50:31,968 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:50:31,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:31,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-19 14:50:31,968 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:50:31,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:50:31,969 INFO L82 PathProgramCache]: Analyzing trace with hash 2105230867, now seen corresponding path program 12 times [2021-10-19 14:50:31,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:50:31,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180807026] [2021-10-19 14:50:31,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:50:31,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:50:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:50:32,147 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 14:50:32,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:50:32,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180807026] [2021-10-19 14:50:32,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180807026] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:50:32,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:50:32,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:50:32,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119517213] [2021-10-19 14:50:32,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:50:32,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:50:32,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:50:32,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:50:32,149 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:50:32,150 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 2003 transitions, 66763 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:50:32,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:50:32,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:50:32,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:50:57,113 INFO L129 PetriNetUnfolder]: 12164/39028 cut-off events. [2021-10-19 14:50:57,113 INFO L130 PetriNetUnfolder]: For 946703/947936 co-relation queries the response was YES. [2021-10-19 14:50:58,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 245474 conditions, 39028 events. 12164/39028 cut-off events. For 946703/947936 co-relation queries the response was YES. Maximal size of possible extension queue 1346. Compared 504465 event pairs, 1819 based on Foata normal form. 496/39049 useless extension candidates. Maximal degree in co-relation 245275. Up to 11119 conditions per place. [2021-10-19 14:50:58,593 INFO L132 encePairwiseOnDemand]: 201/236 looper letters, 1097 selfloop transitions, 1400 changer transitions 5/2621 dead transitions. [2021-10-19 14:50:58,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 2621 transitions, 83830 flow [2021-10-19 14:50:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-19 14:50:58,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-19 14:50:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3040 transitions. [2021-10-19 14:50:58,595 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6133979015334947 [2021-10-19 14:50:58,595 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3040 transitions. [2021-10-19 14:50:58,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3040 transitions. [2021-10-19 14:50:58,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:50:58,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3040 transitions. [2021-10-19 14:50:58,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 144.76190476190476) internal successors, (3040), 21 states have internal predecessors, (3040), 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 14:50:58,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 236.0) internal successors, (5192), 22 states have internal predecessors, (5192), 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 14:50:58,601 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 236.0) internal successors, (5192), 22 states have internal predecessors, (5192), 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 14:50:58,601 INFO L186 Difference]: Start difference. First operand has 604 places, 2003 transitions, 66763 flow. Second operand 21 states and 3040 transitions. [2021-10-19 14:50:58,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 2621 transitions, 83830 flow [2021-10-19 14:51:12,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 2621 transitions, 83520 flow, removed 111 selfloop flow, removed 11 redundant places. [2021-10-19 14:51:12,145 INFO L242 Difference]: Finished difference. Result has 630 places, 2201 transitions, 80083 flow [2021-10-19 14:51:12,147 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=66525, PETRI_DIFFERENCE_MINUEND_PLACES=593, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2003, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=676, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=80083, PETRI_PLACES=630, PETRI_TRANSITIONS=2201} [2021-10-19 14:51:12,147 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 391 predicate places. [2021-10-19 14:51:12,147 INFO L470 AbstractCegarLoop]: Abstraction has has 630 places, 2201 transitions, 80083 flow [2021-10-19 14:51:12,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:51:12,147 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:51:12,148 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:12,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-19 14:51:12,148 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:51:12,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:51:12,148 INFO L82 PathProgramCache]: Analyzing trace with hash 129444445, now seen corresponding path program 13 times [2021-10-19 14:51:12,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:51:12,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698020454] [2021-10-19 14:51:12,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:51:12,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:51:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:51:12,307 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 14:51:12,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:51:12,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698020454] [2021-10-19 14:51:12,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698020454] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:51:12,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:51:12,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:51:12,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861059603] [2021-10-19 14:51:12,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:51:12,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:51:12,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:51:12,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:51:12,309 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:51:12,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 2201 transitions, 80083 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:51:12,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:51:12,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:51:12,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:51:39,953 INFO L129 PetriNetUnfolder]: 12630/40546 cut-off events. [2021-10-19 14:51:39,953 INFO L130 PetriNetUnfolder]: For 1149814/1151121 co-relation queries the response was YES. [2021-10-19 14:51:41,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 265588 conditions, 40546 events. 12630/40546 cut-off events. For 1149814/1151121 co-relation queries the response was YES. Maximal size of possible extension queue 1386. Compared 528108 event pairs, 1901 based on Foata normal form. 503/40547 useless extension candidates. Maximal degree in co-relation 265370. Up to 9533 conditions per place. [2021-10-19 14:51:41,407 INFO L132 encePairwiseOnDemand]: 202/236 looper letters, 1129 selfloop transitions, 1446 changer transitions 5/2699 dead transitions. [2021-10-19 14:51:41,407 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 2699 transitions, 93298 flow [2021-10-19 14:51:41,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-19 14:51:41,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-19 14:51:41,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 3806 transitions. [2021-10-19 14:51:41,410 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5973006905210295 [2021-10-19 14:51:41,410 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 3806 transitions. [2021-10-19 14:51:41,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 3806 transitions. [2021-10-19 14:51:41,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:51:41,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 3806 transitions. [2021-10-19 14:51:41,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 140.96296296296296) internal successors, (3806), 27 states have internal predecessors, (3806), 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 14:51:41,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 236.0) internal successors, (6608), 28 states have internal predecessors, (6608), 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 14:51:41,419 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 236.0) internal successors, (6608), 28 states have internal predecessors, (6608), 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 14:51:41,419 INFO L186 Difference]: Start difference. First operand has 630 places, 2201 transitions, 80083 flow. Second operand 27 states and 3806 transitions. [2021-10-19 14:51:41,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 2699 transitions, 93298 flow [2021-10-19 14:51:59,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 2699 transitions, 93120 flow, removed 87 selfloop flow, removed 2 redundant places. [2021-10-19 14:51:59,194 INFO L242 Difference]: Finished difference. Result has 665 places, 2278 transitions, 89305 flow [2021-10-19 14:51:59,195 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=79951, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1369, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=769, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=89305, PETRI_PLACES=665, PETRI_TRANSITIONS=2278} [2021-10-19 14:51:59,196 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 426 predicate places. [2021-10-19 14:51:59,196 INFO L470 AbstractCegarLoop]: Abstraction has has 665 places, 2278 transitions, 89305 flow [2021-10-19 14:51:59,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:51:59,196 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:51:59,196 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:59,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-19 14:51:59,196 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:51:59,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:51:59,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1844329899, now seen corresponding path program 14 times [2021-10-19 14:51:59,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:51:59,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494139520] [2021-10-19 14:51:59,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:51:59,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:51:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:51:59,385 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 14:51:59,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:51:59,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494139520] [2021-10-19 14:51:59,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494139520] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:51:59,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:51:59,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:51:59,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677298839] [2021-10-19 14:51:59,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:51:59,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:51:59,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:51:59,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:51:59,387 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:51:59,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 2278 transitions, 89305 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:51:59,387 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:51:59,387 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:51:59,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:52:30,400 INFO L129 PetriNetUnfolder]: 13076/42080 cut-off events. [2021-10-19 14:52:30,400 INFO L130 PetriNetUnfolder]: For 1372490/1373903 co-relation queries the response was YES. [2021-10-19 14:52:32,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 284671 conditions, 42080 events. 13076/42080 cut-off events. For 1372490/1373903 co-relation queries the response was YES. Maximal size of possible extension queue 1443. Compared 552498 event pairs, 2002 based on Foata normal form. 529/42083 useless extension candidates. Maximal degree in co-relation 284438. Up to 9456 conditions per place. [2021-10-19 14:52:32,178 INFO L132 encePairwiseOnDemand]: 201/236 looper letters, 1218 selfloop transitions, 1468 changer transitions 5/2810 dead transitions. [2021-10-19 14:52:32,178 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 692 places, 2810 transitions, 103604 flow [2021-10-19 14:52:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:52:32,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-19 14:52:32,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3950 transitions. [2021-10-19 14:52:32,181 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5977602905569007 [2021-10-19 14:52:32,181 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3950 transitions. [2021-10-19 14:52:32,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3950 transitions. [2021-10-19 14:52:32,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:52:32,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3950 transitions. [2021-10-19 14:52:32,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 141.07142857142858) internal successors, (3950), 28 states have internal predecessors, (3950), 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 14:52:32,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 236.0) internal successors, (6844), 29 states have internal predecessors, (6844), 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 14:52:32,188 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 236.0) internal successors, (6844), 29 states have internal predecessors, (6844), 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 14:52:32,188 INFO L186 Difference]: Start difference. First operand has 665 places, 2278 transitions, 89305 flow. Second operand 28 states and 3950 transitions. [2021-10-19 14:52:32,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 692 places, 2810 transitions, 103604 flow [2021-10-19 14:52:55,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 679 places, 2810 transitions, 103385 flow, removed 46 selfloop flow, removed 13 redundant places. [2021-10-19 14:52:55,195 INFO L242 Difference]: Finished difference. Result has 690 places, 2367 transitions, 99150 flow [2021-10-19 14:52:55,197 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=89106, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1379, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=825, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=99150, PETRI_PLACES=690, PETRI_TRANSITIONS=2367} [2021-10-19 14:52:55,197 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 451 predicate places. [2021-10-19 14:52:55,197 INFO L470 AbstractCegarLoop]: Abstraction has has 690 places, 2367 transitions, 99150 flow [2021-10-19 14:52:55,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:52:55,198 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:52:55,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:55,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-19 14:52:55,198 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:52:55,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:52:55,198 INFO L82 PathProgramCache]: Analyzing trace with hash 621330375, now seen corresponding path program 15 times [2021-10-19 14:52:55,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:52:55,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180702000] [2021-10-19 14:52:55,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:52:55,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:52:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:52:55,364 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 14:52:55,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:52:55,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180702000] [2021-10-19 14:52:55,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180702000] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:52:55,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:52:55,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:52:55,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81972530] [2021-10-19 14:52:55,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:52:55,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:52:55,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:52:55,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:52:55,366 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:52:55,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 2367 transitions, 99150 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:52:55,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:52:55,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:52:55,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:53:31,284 INFO L129 PetriNetUnfolder]: 13946/45230 cut-off events. [2021-10-19 14:53:31,284 INFO L130 PetriNetUnfolder]: For 1674290/1675864 co-relation queries the response was YES. [2021-10-19 14:53:33,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 313824 conditions, 45230 events. 13946/45230 cut-off events. For 1674290/1675864 co-relation queries the response was YES. Maximal size of possible extension queue 1558. Compared 602036 event pairs, 2202 based on Foata normal form. 659/45320 useless extension candidates. Maximal degree in co-relation 313580. Up to 10856 conditions per place. [2021-10-19 14:53:33,392 INFO L132 encePairwiseOnDemand]: 199/236 looper letters, 1246 selfloop transitions, 1628 changer transitions 7/3000 dead transitions. [2021-10-19 14:53:33,392 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 721 places, 3000 transitions, 116386 flow [2021-10-19 14:53:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-19 14:53:33,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-10-19 14:53:33,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 4525 transitions. [2021-10-19 14:53:33,395 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5991790254237288 [2021-10-19 14:53:33,395 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 4525 transitions. [2021-10-19 14:53:33,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 4525 transitions. [2021-10-19 14:53:33,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:53:33,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 4525 transitions. [2021-10-19 14:53:33,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 141.40625) internal successors, (4525), 32 states have internal predecessors, (4525), 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 14:53:33,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 236.0) internal successors, (7788), 33 states have internal predecessors, (7788), 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 14:53:33,404 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 236.0) internal successors, (7788), 33 states have internal predecessors, (7788), 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 14:53:33,404 INFO L186 Difference]: Start difference. First operand has 690 places, 2367 transitions, 99150 flow. Second operand 32 states and 4525 transitions. [2021-10-19 14:53:33,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 721 places, 3000 transitions, 116386 flow [2021-10-19 14:54:00,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 704 places, 3000 transitions, 115959 flow, removed 49 selfloop flow, removed 17 redundant places. [2021-10-19 14:54:01,055 INFO L242 Difference]: Finished difference. Result has 719 places, 2499 transitions, 111617 flow [2021-10-19 14:54:01,057 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=98762, PETRI_DIFFERENCE_MINUEND_PLACES=673, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1497, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=772, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=111617, PETRI_PLACES=719, PETRI_TRANSITIONS=2499} [2021-10-19 14:54:01,057 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 480 predicate places. [2021-10-19 14:54:01,057 INFO L470 AbstractCegarLoop]: Abstraction has has 719 places, 2499 transitions, 111617 flow [2021-10-19 14:54:01,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:54:01,057 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:54:01,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:54:01,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-19 14:54:01,057 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:54:01,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:54:01,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1148432443, now seen corresponding path program 16 times [2021-10-19 14:54:01,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:54:01,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892020912] [2021-10-19 14:54:01,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:54:01,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:54:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:54:01,211 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 14:54:01,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:54:01,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892020912] [2021-10-19 14:54:01,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892020912] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:54:01,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:54:01,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:54:01,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495370859] [2021-10-19 14:54:01,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:54:01,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:54:01,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:54:01,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:54:01,213 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:54:01,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 719 places, 2499 transitions, 111617 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:54:01,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:54:01,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:54:01,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:54:39,017 INFO L129 PetriNetUnfolder]: 14393/46394 cut-off events. [2021-10-19 14:54:39,018 INFO L130 PetriNetUnfolder]: For 1934786/1936353 co-relation queries the response was YES. [2021-10-19 14:54:40,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 334753 conditions, 46394 events. 14393/46394 cut-off events. For 1934786/1936353 co-relation queries the response was YES. Maximal size of possible extension queue 1620. Compared 620317 event pairs, 2140 based on Foata normal form. 660/46473 useless extension candidates. Maximal degree in co-relation 334495. Up to 11365 conditions per place. [2021-10-19 14:54:40,746 INFO L132 encePairwiseOnDemand]: 200/236 looper letters, 1203 selfloop transitions, 1749 changer transitions 6/3077 dead transitions. [2021-10-19 14:54:40,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 3077 transitions, 127730 flow [2021-10-19 14:54:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:54:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-19 14:54:40,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4242 transitions. [2021-10-19 14:54:40,749 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5991525423728814 [2021-10-19 14:54:40,749 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 4242 transitions. [2021-10-19 14:54:40,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 4242 transitions. [2021-10-19 14:54:40,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:54:40,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 4242 transitions. [2021-10-19 14:54:40,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 141.4) internal successors, (4242), 30 states have internal predecessors, (4242), 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 14:54:40,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 236.0) internal successors, (7316), 31 states have internal predecessors, (7316), 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 14:54:40,755 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 236.0) internal successors, (7316), 31 states have internal predecessors, (7316), 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 14:54:40,755 INFO L186 Difference]: Start difference. First operand has 719 places, 2499 transitions, 111617 flow. Second operand 30 states and 4242 transitions. [2021-10-19 14:54:40,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 3077 transitions, 127730 flow [2021-10-19 14:55:13,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 734 places, 3077 transitions, 127204 flow, removed 144 selfloop flow, removed 14 redundant places. [2021-10-19 14:55:13,228 INFO L242 Difference]: Finished difference. Result has 748 places, 2597 transitions, 123326 flow [2021-10-19 14:55:13,230 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=236, PETRI_DIFFERENCE_MINUEND_FLOW=111115, PETRI_DIFFERENCE_MINUEND_PLACES=705, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1653, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=766, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=123326, PETRI_PLACES=748, PETRI_TRANSITIONS=2597} [2021-10-19 14:55:13,230 INFO L334 CegarLoopForPetriNet]: 239 programPoint places, 509 predicate places. [2021-10-19 14:55:13,230 INFO L470 AbstractCegarLoop]: Abstraction has has 748 places, 2597 transitions, 123326 flow [2021-10-19 14:55:13,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:55:13,230 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:55:13,230 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:55:13,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-19 14:55:13,230 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-10-19 14:55:13,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:55:13,231 INFO L82 PathProgramCache]: Analyzing trace with hash -863265959, now seen corresponding path program 17 times [2021-10-19 14:55:13,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:55:13,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19534964] [2021-10-19 14:55:13,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:55:13,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:55:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:55:13,422 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 14:55:13,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:55:13,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19534964] [2021-10-19 14:55:13,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19534964] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:55:13,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:55:13,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:55:13,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319517909] [2021-10-19 14:55:13,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:55:13,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:55:13,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:55:13,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:55:13,424 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 236 [2021-10-19 14:55:13,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 748 places, 2597 transitions, 123326 flow. Second operand has 13 states, 13 states have (on average 129.92307692307693) internal successors, (1689), 13 states have internal predecessors, (1689), 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 14:55:13,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:55:13,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 236 [2021-10-19 14:55:13,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:55:58,389 INFO L129 PetriNetUnfolder]: 15923/51368 cut-off events. [2021-10-19 14:55:58,389 INFO L130 PetriNetUnfolder]: For 2401480/2403295 co-relation queries the response was YES.