./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1dca423de1ee0965d72c4be0ada5e821e4dbfc023ab1c498b90df0e18b4c1f3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 15:56:56,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 15:56:56,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 15:56:56,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 15:56:56,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 15:56:56,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 15:56:56,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 15:56:56,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 15:56:56,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 15:56:56,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 15:56:56,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 15:56:56,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 15:56:56,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 15:56:56,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 15:56:56,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 15:56:56,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 15:56:56,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 15:56:56,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 15:56:56,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 15:56:56,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 15:56:56,113 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 15:56:56,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 15:56:56,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 15:56:56,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 15:56:56,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 15:56:56,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 15:56:56,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 15:56:56,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 15:56:56,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 15:56:56,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 15:56:56,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 15:56:56,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 15:56:56,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 15:56:56,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 15:56:56,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 15:56:56,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 15:56:56,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 15:56:56,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 15:56:56,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 15:56:56,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 15:56:56,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 15:56:56,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 15:56:56,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 15:56:56,156 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 15:56:56,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 15:56:56,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 15:56:56,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 15:56:56,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 15:56:56,157 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 15:56:56,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 15:56:56,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 15:56:56,158 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 15:56:56,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 15:56:56,159 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 15:56:56,159 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 15:56:56,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 15:56:56,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 15:56:56,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 15:56:56,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 15:56:56,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 15:56:56,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 15:56:56,160 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 15:56:56,162 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 15:56:56,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 15:56:56,162 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 15:56:56,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 15:56:56,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 15:56:56,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 15:56:56,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 15:56:56,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:56:56,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 15:56:56,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 15:56:56,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 15:56:56,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 15:56:56,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 15:56:56,164 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 15:56:56,164 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 15:56:56,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 15:56:56,164 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1dca423de1ee0965d72c4be0ada5e821e4dbfc023ab1c498b90df0e18b4c1f3 [2022-04-18 15:56:56,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 15:56:56,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 15:56:56,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 15:56:56,393 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 15:56:56,393 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 15:56:56,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2022-04-18 15:56:56,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a668e3c9/f62c2d7eb1624191a45eb4a6522e9966/FLAGa70b3af77 [2022-04-18 15:56:56,840 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 15:56:56,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2022-04-18 15:56:56,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a668e3c9/f62c2d7eb1624191a45eb4a6522e9966/FLAGa70b3af77 [2022-04-18 15:56:56,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a668e3c9/f62c2d7eb1624191a45eb4a6522e9966 [2022-04-18 15:56:56,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 15:56:56,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 15:56:56,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 15:56:56,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 15:56:56,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 15:56:56,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:56:56" (1/1) ... [2022-04-18 15:56:56,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5771e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:56, skipping insertion in model container [2022-04-18 15:56:56,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:56:56" (1/1) ... [2022-04-18 15:56:56,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 15:56:56,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 15:56:57,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i[30454,30467] [2022-04-18 15:56:57,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i[30634,30647] [2022-04-18 15:56:57,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:56:57,196 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 15:56:57,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i[30454,30467] [2022-04-18 15:56:57,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i[30634,30647] [2022-04-18 15:56:57,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:56:57,278 INFO L208 MainTranslator]: Completed translation [2022-04-18 15:56:57,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:57 WrapperNode [2022-04-18 15:56:57,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 15:56:57,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 15:56:57,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 15:56:57,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 15:56:57,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:57" (1/1) ... [2022-04-18 15:56:57,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:57" (1/1) ... [2022-04-18 15:56:57,323 INFO L137 Inliner]: procedures = 172, calls = 24, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 219 [2022-04-18 15:56:57,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 15:56:57,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 15:56:57,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 15:56:57,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 15:56:57,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:57" (1/1) ... [2022-04-18 15:56:57,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:57" (1/1) ... [2022-04-18 15:56:57,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:57" (1/1) ... [2022-04-18 15:56:57,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:57" (1/1) ... [2022-04-18 15:56:57,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:57" (1/1) ... [2022-04-18 15:56:57,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:57" (1/1) ... [2022-04-18 15:56:57,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:57" (1/1) ... [2022-04-18 15:56:57,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 15:56:57,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 15:56:57,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 15:56:57,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 15:56:57,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:57" (1/1) ... [2022-04-18 15:56:57,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:56:57,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:56:57,389 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) [2022-04-18 15:56:57,398 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 [2022-04-18 15:56:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-04-18 15:56:57,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-04-18 15:56:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2022-04-18 15:56:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2022-04-18 15:56:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-04-18 15:56:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-04-18 15:56:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 15:56:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 15:56:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 15:56:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 15:56:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 15:56:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 15:56:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 15:56:57,433 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 15:56:57,559 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 15:56:57,561 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 15:56:57,813 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 15:56:57,884 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 15:56:57,884 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-18 15:56:57,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:56:57 BoogieIcfgContainer [2022-04-18 15:56:57,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 15:56:57,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 15:56:57,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 15:56:57,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 15:56:57,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:56:56" (1/3) ... [2022-04-18 15:56:57,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1153f731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:56:57, skipping insertion in model container [2022-04-18 15:56:57,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:56:57" (2/3) ... [2022-04-18 15:56:57,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1153f731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:56:57, skipping insertion in model container [2022-04-18 15:56:57,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:56:57" (3/3) ... [2022-04-18 15:56:57,894 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2022-04-18 15:56:57,898 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 15:56:57,898 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 15:56:57,898 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-04-18 15:56:57,899 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 15:56:57,971 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 15:56:58,041 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 15:56:58,049 INFO L340 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=true, mAutomataTypeConcurrency=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 [2022-04-18 15:56:58,050 INFO L341 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2022-04-18 15:56:58,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 162 places, 161 transitions, 337 flow [2022-04-18 15:56:58,141 INFO L129 PetriNetUnfolder]: 9/170 cut-off events. [2022-04-18 15:56:58,142 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:56:58,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 170 events. 9/170 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 438 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 153. Up to 4 conditions per place. [2022-04-18 15:56:58,148 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 161 transitions, 337 flow [2022-04-18 15:56:58,153 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 160 places, 159 transitions, 329 flow [2022-04-18 15:56:58,158 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2022-04-18 15:56:58,158 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:56:58,158 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:56:58,159 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:56:58,159 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-04-18 15:56:58,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:56:58,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1783386939, now seen corresponding path program 1 times [2022-04-18 15:56:58,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:56:58,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401685182] [2022-04-18 15:56:58,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:56:58,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:56:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:56:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:56:58,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:56:58,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401685182] [2022-04-18 15:56:58,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401685182] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:56:58,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:56:58,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 15:56:58,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388910788] [2022-04-18 15:56:58,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:56:58,354 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 15:56:58,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:56:58,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 15:56:58,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 15:56:58,382 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 161 [2022-04-18 15:56:58,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 159 transitions, 329 flow. Second operand has 2 states, 2 states have (on average 127.0) internal successors, (254), 2 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:58,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:56:58,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 161 [2022-04-18 15:56:58,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:56:58,542 INFO L129 PetriNetUnfolder]: 101/658 cut-off events. [2022-04-18 15:56:58,542 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-04-18 15:56:58,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 826 conditions, 658 events. 101/658 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3964 event pairs, 64 based on Foata normal form. 109/630 useless extension candidates. Maximal degree in co-relation 796. Up to 139 conditions per place. [2022-04-18 15:56:58,555 INFO L132 encePairwiseOnDemand]: 139/161 looper letters, 11 selfloop transitions, 0 changer transitions 0/128 dead transitions. [2022-04-18 15:56:58,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 128 transitions, 289 flow [2022-04-18 15:56:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 15:56:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-04-18 15:56:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 285 transitions. [2022-04-18 15:56:58,567 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8850931677018633 [2022-04-18 15:56:58,568 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 285 transitions. [2022-04-18 15:56:58,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 285 transitions. [2022-04-18 15:56:58,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:56:58,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 285 transitions. [2022-04-18 15:56:58,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 142.5) internal successors, (285), 2 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:58,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:58,597 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:58,599 INFO L186 Difference]: Start difference. First operand has 160 places, 159 transitions, 329 flow. Second operand 2 states and 285 transitions. [2022-04-18 15:56:58,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 128 transitions, 289 flow [2022-04-18 15:56:58,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 128 transitions, 287 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:56:58,612 INFO L242 Difference]: Finished difference. Result has 132 places, 128 transitions, 265 flow [2022-04-18 15:56:58,614 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=265, PETRI_PLACES=132, PETRI_TRANSITIONS=128} [2022-04-18 15:56:58,620 INFO L335 CegarLoopForPetriNet]: 160 programPoint places, -28 predicate places. [2022-04-18 15:56:58,620 INFO L478 AbstractCegarLoop]: Abstraction has has 132 places, 128 transitions, 265 flow [2022-04-18 15:56:58,621 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 127.0) internal successors, (254), 2 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:58,621 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:56:58,621 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:56:58,622 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 15:56:58,623 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-04-18 15:56:58,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:56:58,624 INFO L85 PathProgramCache]: Analyzing trace with hash 140531785, now seen corresponding path program 1 times [2022-04-18 15:56:58,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:56:58,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982839522] [2022-04-18 15:56:58,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:56:58,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:56:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:56:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:56:58,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:56:58,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982839522] [2022-04-18 15:56:58,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982839522] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:56:58,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:56:58,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:56:58,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478916377] [2022-04-18 15:56:58,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:56:58,713 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:56:58,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:56:58,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:56:58,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:56:58,714 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2022-04-18 15:56:58,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 128 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:58,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:56:58,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2022-04-18 15:56:58,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:56:59,159 INFO L129 PetriNetUnfolder]: 1444/4344 cut-off events. [2022-04-18 15:56:59,159 INFO L130 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2022-04-18 15:56:59,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6537 conditions, 4344 events. 1444/4344 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 40436 event pairs, 696 based on Foata normal form. 0/3432 useless extension candidates. Maximal degree in co-relation 6533. Up to 1602 conditions per place. [2022-04-18 15:56:59,192 INFO L132 encePairwiseOnDemand]: 154/161 looper letters, 38 selfloop transitions, 6 changer transitions 0/147 dead transitions. [2022-04-18 15:56:59,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 147 transitions, 396 flow [2022-04-18 15:56:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:56:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:56:59,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 381 transitions. [2022-04-18 15:56:59,195 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7888198757763976 [2022-04-18 15:56:59,196 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 381 transitions. [2022-04-18 15:56:59,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 381 transitions. [2022-04-18 15:56:59,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:56:59,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 381 transitions. [2022-04-18 15:56:59,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:59,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:59,199 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:59,199 INFO L186 Difference]: Start difference. First operand has 132 places, 128 transitions, 265 flow. Second operand 3 states and 381 transitions. [2022-04-18 15:56:59,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 147 transitions, 396 flow [2022-04-18 15:56:59,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 147 transitions, 396 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 15:56:59,202 INFO L242 Difference]: Finished difference. Result has 136 places, 133 transitions, 311 flow [2022-04-18 15:56:59,202 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=136, PETRI_TRANSITIONS=133} [2022-04-18 15:56:59,203 INFO L335 CegarLoopForPetriNet]: 160 programPoint places, -24 predicate places. [2022-04-18 15:56:59,203 INFO L478 AbstractCegarLoop]: Abstraction has has 136 places, 133 transitions, 311 flow [2022-04-18 15:56:59,215 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:59,216 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:56:59,216 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:56:59,216 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 15:56:59,217 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-04-18 15:56:59,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:56:59,218 INFO L85 PathProgramCache]: Analyzing trace with hash 151294217, now seen corresponding path program 1 times [2022-04-18 15:56:59,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:56:59,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376365179] [2022-04-18 15:56:59,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:56:59,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:56:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:56:59,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:56:59,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:56:59,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376365179] [2022-04-18 15:56:59,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376365179] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:56:59,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:56:59,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:56:59,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051459479] [2022-04-18 15:56:59,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:56:59,274 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:56:59,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:56:59,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:56:59,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:56:59,276 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2022-04-18 15:56:59,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 133 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:59,277 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:56:59,277 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2022-04-18 15:56:59,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:56:59,884 INFO L129 PetriNetUnfolder]: 1902/5294 cut-off events. [2022-04-18 15:56:59,885 INFO L130 PetriNetUnfolder]: For 125/129 co-relation queries the response was YES. [2022-04-18 15:56:59,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8528 conditions, 5294 events. 1902/5294 cut-off events. For 125/129 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 49208 event pairs, 1036 based on Foata normal form. 0/4212 useless extension candidates. Maximal degree in co-relation 8522. Up to 2183 conditions per place. [2022-04-18 15:56:59,928 INFO L132 encePairwiseOnDemand]: 154/161 looper letters, 38 selfloop transitions, 6 changer transitions 0/152 dead transitions. [2022-04-18 15:56:59,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 152 transitions, 442 flow [2022-04-18 15:56:59,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:56:59,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:56:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 381 transitions. [2022-04-18 15:56:59,930 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7888198757763976 [2022-04-18 15:56:59,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 381 transitions. [2022-04-18 15:56:59,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 381 transitions. [2022-04-18 15:56:59,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:56:59,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 381 transitions. [2022-04-18 15:56:59,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:59,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:59,933 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:59,933 INFO L186 Difference]: Start difference. First operand has 136 places, 133 transitions, 311 flow. Second operand 3 states and 381 transitions. [2022-04-18 15:56:59,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 152 transitions, 442 flow [2022-04-18 15:56:59,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 152 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:56:59,938 INFO L242 Difference]: Finished difference. Result has 138 places, 138 transitions, 345 flow [2022-04-18 15:56:59,938 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=345, PETRI_PLACES=138, PETRI_TRANSITIONS=138} [2022-04-18 15:56:59,938 INFO L335 CegarLoopForPetriNet]: 160 programPoint places, -22 predicate places. [2022-04-18 15:56:59,939 INFO L478 AbstractCegarLoop]: Abstraction has has 138 places, 138 transitions, 345 flow [2022-04-18 15:56:59,939 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:59,939 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:56:59,939 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:56:59,939 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 15:56:59,939 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-04-18 15:56:59,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:56:59,940 INFO L85 PathProgramCache]: Analyzing trace with hash -2019383162, now seen corresponding path program 1 times [2022-04-18 15:56:59,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:56:59,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915132400] [2022-04-18 15:56:59,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:56:59,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:56:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:56:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:56:59,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:56:59,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915132400] [2022-04-18 15:56:59,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915132400] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:56:59,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:56:59,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:56:59,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611759300] [2022-04-18 15:56:59,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:56:59,994 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:56:59,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:56:59,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:56:59,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:56:59,997 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2022-04-18 15:56:59,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 138 transitions, 345 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:56:59,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:56:59,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2022-04-18 15:56:59,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:57:00,811 INFO L129 PetriNetUnfolder]: 2368/8320 cut-off events. [2022-04-18 15:57:00,811 INFO L130 PetriNetUnfolder]: For 780/832 co-relation queries the response was YES. [2022-04-18 15:57:00,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13547 conditions, 8320 events. 2368/8320 cut-off events. For 780/832 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 91328 event pairs, 780 based on Foata normal form. 0/6704 useless extension candidates. Maximal degree in co-relation 13540. Up to 1808 conditions per place. [2022-04-18 15:57:00,878 INFO L132 encePairwiseOnDemand]: 153/161 looper letters, 41 selfloop transitions, 9 changer transitions 0/161 dead transitions. [2022-04-18 15:57:00,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 161 transitions, 514 flow [2022-04-18 15:57:00,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:57:00,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:57:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2022-04-18 15:57:00,880 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7991718426501035 [2022-04-18 15:57:00,881 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 386 transitions. [2022-04-18 15:57:00,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 386 transitions. [2022-04-18 15:57:00,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:57:00,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 386 transitions. [2022-04-18 15:57:00,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:00,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:00,884 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:00,884 INFO L186 Difference]: Start difference. First operand has 138 places, 138 transitions, 345 flow. Second operand 3 states and 386 transitions. [2022-04-18 15:57:00,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 161 transitions, 514 flow [2022-04-18 15:57:00,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 161 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:57:00,891 INFO L242 Difference]: Finished difference. Result has 140 places, 147 transitions, 423 flow [2022-04-18 15:57:00,895 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=423, PETRI_PLACES=140, PETRI_TRANSITIONS=147} [2022-04-18 15:57:00,896 INFO L335 CegarLoopForPetriNet]: 160 programPoint places, -20 predicate places. [2022-04-18 15:57:00,896 INFO L478 AbstractCegarLoop]: Abstraction has has 140 places, 147 transitions, 423 flow [2022-04-18 15:57:00,897 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:00,897 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:57:00,897 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:57:00,897 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 15:57:00,897 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-04-18 15:57:00,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:57:00,898 INFO L85 PathProgramCache]: Analyzing trace with hash 698022504, now seen corresponding path program 1 times [2022-04-18 15:57:00,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:57:00,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868860105] [2022-04-18 15:57:00,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:57:00,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:57:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:57:00,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:57:00,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:57:00,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868860105] [2022-04-18 15:57:00,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868860105] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:57:00,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:57:00,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:57:00,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127204954] [2022-04-18 15:57:00,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:57:00,937 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:57:00,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:57:00,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:57:00,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:57:00,938 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2022-04-18 15:57:00,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 147 transitions, 423 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:00,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:57:00,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2022-04-18 15:57:00,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:57:01,880 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, thr2Thread1of1ForFork2InUse, 83#L718-1true, 131#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 65#L723-7true, 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:01,881 INFO L384 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-04-18 15:57:01,881 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-04-18 15:57:01,881 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-04-18 15:57:01,881 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-04-18 15:57:01,887 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, 104#L729-7true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 74#L723-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:01,887 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-04-18 15:57:01,888 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-04-18 15:57:01,888 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-04-18 15:57:01,888 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-04-18 15:57:01,936 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, 131#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 100#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:01,937 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-04-18 15:57:01,937 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-04-18 15:57:01,937 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:01,937 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-04-18 15:57:01,942 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([755] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][155], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, thr2Thread1of1ForFork2InUse, 99#L716-1true, 186#true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 141#L729-3true, 165#true, Black: 180#true, 89#L723-6true]) [2022-04-18 15:57:01,942 INFO L384 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-04-18 15:57:01,942 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-04-18 15:57:01,942 INFO L387 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-04-18 15:57:01,942 INFO L387 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-04-18 15:57:01,943 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 8#L729-8true, 83#L718-1true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 74#L723-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:01,944 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-04-18 15:57:01,944 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-04-18 15:57:01,944 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-04-18 15:57:01,944 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:01,944 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, 97#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 74#L723-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:01,945 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-04-18 15:57:01,945 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:01,945 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-04-18 15:57:01,945 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-04-18 15:57:01,945 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, 8#L729-8true, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), 25#L740-4true, Black: 174#true, 74#L723-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:01,945 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-04-18 15:57:01,946 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:01,946 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-04-18 15:57:01,946 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-04-18 15:57:01,994 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), 25#L740-4true, Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 74#L723-4true, 90#L730true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:01,994 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-04-18 15:57:01,994 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-04-18 15:57:01,995 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-04-18 15:57:01,995 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2022-04-18 15:57:02,020 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, 104#L729-7true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 65#L723-7true, 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,020 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2022-04-18 15:57:02,021 INFO L387 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-04-18 15:57:02,021 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-04-18 15:57:02,021 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-04-18 15:57:02,035 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, 9#L723-14true, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, 131#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,036 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-04-18 15:57:02,036 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-04-18 15:57:02,036 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-04-18 15:57:02,036 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-04-18 15:57:02,042 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, 43#L730-2true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 74#L723-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,042 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-04-18 15:57:02,042 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-04-18 15:57:02,042 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-04-18 15:57:02,042 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-04-18 15:57:02,160 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, 8#L729-8true, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 65#L723-7true, 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,175 INFO L384 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,175 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:02,175 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:02,176 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-04-18 15:57:02,179 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, 104#L729-7true, 100#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,179 INFO L384 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,179 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:02,179 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:02,180 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-04-18 15:57:02,180 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 97#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, 65#L723-7true, 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,181 INFO L384 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,181 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:02,181 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:02,181 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-04-18 15:57:02,181 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, 8#L729-8true, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 65#L723-7true, 182#(= |#race~g0~0| 0), 25#L740-4true, Black: 174#true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,181 INFO L384 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,182 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:02,182 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:02,182 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-04-18 15:57:02,212 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 65#L723-7true, 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 90#L730true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,212 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-04-18 15:57:02,212 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-04-18 15:57:02,212 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-04-18 15:57:02,213 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-04-18 15:57:02,214 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, 8#L729-8true, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, 100#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,214 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-04-18 15:57:02,214 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-04-18 15:57:02,214 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-04-18 15:57:02,214 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-04-18 15:57:02,217 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, thr2Thread1of1ForFork2InUse, 83#L718-1true, 100#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 97#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,217 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-04-18 15:57:02,217 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-04-18 15:57:02,217 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-04-18 15:57:02,217 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-04-18 15:57:02,217 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 8#L729-8true, thr2Thread1of1ForFork2InUse, 83#L718-1true, 100#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), 25#L740-4true, Black: 174#true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,218 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-04-18 15:57:02,218 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-04-18 15:57:02,218 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-04-18 15:57:02,218 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-04-18 15:57:02,227 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, 131#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 74#L723-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,228 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2022-04-18 15:57:02,228 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-04-18 15:57:02,228 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,228 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-04-18 15:57:02,243 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, thr2Thread1of1ForFork2InUse, 83#L718-1true, 43#L730-2true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 65#L723-7true, 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,243 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-04-18 15:57:02,243 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-04-18 15:57:02,243 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-04-18 15:57:02,243 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-04-18 15:57:02,244 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, thr2Thread1of1ForFork2InUse, 83#L718-1true, 100#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 90#L730true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,244 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-04-18 15:57:02,244 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-04-18 15:57:02,244 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-04-18 15:57:02,244 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-04-18 15:57:02,246 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, 9#L723-14true, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, 104#L729-7true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,247 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-04-18 15:57:02,247 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-04-18 15:57:02,247 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-04-18 15:57:02,247 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-04-18 15:57:02,265 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, 100#L723-8true, 43#L730-2true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,265 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-04-18 15:57:02,265 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-04-18 15:57:02,265 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,265 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,266 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, 8#L729-8true, thr3Thread1of1ForFork1InUse, 9#L723-14true, 83#L718-1true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,266 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-04-18 15:57:02,266 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,266 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,266 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-04-18 15:57:02,268 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, 9#L723-14true, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 97#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,268 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-04-18 15:57:02,268 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,268 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-04-18 15:57:02,268 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,268 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, 9#L723-14true, 8#L729-8true, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), 25#L740-4true, Black: 174#true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,269 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-04-18 15:57:02,269 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,269 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-04-18 15:57:02,269 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-04-18 15:57:02,282 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, 9#L723-14true, thr3Thread1of1ForFork1InUse, 83#L718-1true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 90#L730true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,282 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-04-18 15:57:02,282 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-04-18 15:57:02,283 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-04-18 15:57:02,283 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-04-18 15:57:02,294 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr1Thread1of1ForFork0InUse, 9#L723-14true, thr3Thread1of1ForFork1InUse, thr2Thread1of1ForFork2InUse, 83#L718-1true, 43#L730-2true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |#race~g0~0| 0), Black: 176#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 25#L740-4true, 165#true, Black: 180#true, 188#(= |#race~g1~0| 0)]) [2022-04-18 15:57:02,295 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2022-04-18 15:57:02,295 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-04-18 15:57:02,295 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-04-18 15:57:02,295 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-04-18 15:57:02,335 INFO L129 PetriNetUnfolder]: 5040/15833 cut-off events. [2022-04-18 15:57:02,336 INFO L130 PetriNetUnfolder]: For 3378/4752 co-relation queries the response was YES. [2022-04-18 15:57:02,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28581 conditions, 15833 events. 5040/15833 cut-off events. For 3378/4752 co-relation queries the response was YES. Maximal size of possible extension queue 663. Compared 185001 event pairs, 1174 based on Foata normal form. 17/13126 useless extension candidates. Maximal degree in co-relation 28573. Up to 3977 conditions per place. [2022-04-18 15:57:02,465 INFO L132 encePairwiseOnDemand]: 153/161 looper letters, 41 selfloop transitions, 9 changer transitions 0/170 dead transitions. [2022-04-18 15:57:02,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 170 transitions, 592 flow [2022-04-18 15:57:02,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:57:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:57:02,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2022-04-18 15:57:02,467 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7991718426501035 [2022-04-18 15:57:02,467 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 386 transitions. [2022-04-18 15:57:02,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 386 transitions. [2022-04-18 15:57:02,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:57:02,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 386 transitions. [2022-04-18 15:57:02,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,470 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,470 INFO L186 Difference]: Start difference. First operand has 140 places, 147 transitions, 423 flow. Second operand 3 states and 386 transitions. [2022-04-18 15:57:02,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 170 transitions, 592 flow [2022-04-18 15:57:02,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 170 transitions, 574 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:57:02,475 INFO L242 Difference]: Finished difference. Result has 142 places, 156 transitions, 495 flow [2022-04-18 15:57:02,475 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=495, PETRI_PLACES=142, PETRI_TRANSITIONS=156} [2022-04-18 15:57:02,476 INFO L335 CegarLoopForPetriNet]: 160 programPoint places, -18 predicate places. [2022-04-18 15:57:02,476 INFO L478 AbstractCegarLoop]: Abstraction has has 142 places, 156 transitions, 495 flow [2022-04-18 15:57:02,477 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,477 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:57:02,477 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:57:02,477 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 15:57:02,477 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-04-18 15:57:02,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:57:02,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1194902172, now seen corresponding path program 1 times [2022-04-18 15:57:02,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:57:02,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60361526] [2022-04-18 15:57:02,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:57:02,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:57:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:57:02,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:57:02,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:57:02,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60361526] [2022-04-18 15:57:02,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60361526] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:57:02,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:57:02,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 15:57:02,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204168805] [2022-04-18 15:57:02,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:57:02,511 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:57:02,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:57:02,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:57:02,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:57:02,512 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 161 [2022-04-18 15:57:02,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 156 transitions, 495 flow. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:57:02,513 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 161 [2022-04-18 15:57:02,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:57:02,565 INFO L129 PetriNetUnfolder]: 53/664 cut-off events. [2022-04-18 15:57:02,566 INFO L130 PetriNetUnfolder]: For 111/111 co-relation queries the response was YES. [2022-04-18 15:57:02,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1024 conditions, 664 events. 53/664 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3876 event pairs, 8 based on Foata normal form. 51/652 useless extension candidates. Maximal degree in co-relation 1015. Up to 60 conditions per place. [2022-04-18 15:57:02,569 INFO L132 encePairwiseOnDemand]: 153/161 looper letters, 6 selfloop transitions, 8 changer transitions 0/132 dead transitions. [2022-04-18 15:57:02,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 132 transitions, 394 flow [2022-04-18 15:57:02,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:57:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:57:02,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2022-04-18 15:57:02,570 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8136645962732919 [2022-04-18 15:57:02,570 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 393 transitions. [2022-04-18 15:57:02,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 393 transitions. [2022-04-18 15:57:02,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:57:02,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 393 transitions. [2022-04-18 15:57:02,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,573 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,573 INFO L186 Difference]: Start difference. First operand has 142 places, 156 transitions, 495 flow. Second operand 3 states and 393 transitions. [2022-04-18 15:57:02,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 132 transitions, 394 flow [2022-04-18 15:57:02,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 132 transitions, 338 flow, removed 18 selfloop flow, removed 6 redundant places. [2022-04-18 15:57:02,576 INFO L242 Difference]: Finished difference. Result has 132 places, 130 transitions, 317 flow [2022-04-18 15:57:02,576 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=317, PETRI_PLACES=132, PETRI_TRANSITIONS=130} [2022-04-18 15:57:02,577 INFO L335 CegarLoopForPetriNet]: 160 programPoint places, -28 predicate places. [2022-04-18 15:57:02,577 INFO L478 AbstractCegarLoop]: Abstraction has has 132 places, 130 transitions, 317 flow [2022-04-18 15:57:02,577 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,577 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:57:02,577 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:57:02,578 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 15:57:02,578 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-04-18 15:57:02,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:57:02,578 INFO L85 PathProgramCache]: Analyzing trace with hash 562417071, now seen corresponding path program 1 times [2022-04-18 15:57:02,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:57:02,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43757426] [2022-04-18 15:57:02,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:57:02,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:57:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:57:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:57:02,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:57:02,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43757426] [2022-04-18 15:57:02,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43757426] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:57:02,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:57:02,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:57:02,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881725513] [2022-04-18 15:57:02,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:57:02,599 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:57:02,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:57:02,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:57:02,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:57:02,601 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 161 [2022-04-18 15:57:02,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 130 transitions, 317 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:57:02,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 161 [2022-04-18 15:57:02,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:57:02,737 INFO L129 PetriNetUnfolder]: 410/1720 cut-off events. [2022-04-18 15:57:02,738 INFO L130 PetriNetUnfolder]: For 246/247 co-relation queries the response was YES. [2022-04-18 15:57:02,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2990 conditions, 1720 events. 410/1720 cut-off events. For 246/247 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 12886 event pairs, 148 based on Foata normal form. 0/1498 useless extension candidates. Maximal degree in co-relation 2983. Up to 517 conditions per place. [2022-04-18 15:57:02,749 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 33 selfloop transitions, 5 changer transitions 0/146 dead transitions. [2022-04-18 15:57:02,749 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 146 transitions, 442 flow [2022-04-18 15:57:02,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:57:02,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:57:02,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2022-04-18 15:57:02,751 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7950310559006211 [2022-04-18 15:57:02,751 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 384 transitions. [2022-04-18 15:57:02,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 384 transitions. [2022-04-18 15:57:02,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:57:02,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 384 transitions. [2022-04-18 15:57:02,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,753 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,753 INFO L186 Difference]: Start difference. First operand has 132 places, 130 transitions, 317 flow. Second operand 3 states and 384 transitions. [2022-04-18 15:57:02,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 146 transitions, 442 flow [2022-04-18 15:57:02,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 146 transitions, 428 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 15:57:02,756 INFO L242 Difference]: Finished difference. Result has 135 places, 134 transitions, 347 flow [2022-04-18 15:57:02,757 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=309, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=347, PETRI_PLACES=135, PETRI_TRANSITIONS=134} [2022-04-18 15:57:02,757 INFO L335 CegarLoopForPetriNet]: 160 programPoint places, -25 predicate places. [2022-04-18 15:57:02,757 INFO L478 AbstractCegarLoop]: Abstraction has has 135 places, 134 transitions, 347 flow [2022-04-18 15:57:02,758 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:02,758 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:57:02,758 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:57:02,758 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 15:57:02,758 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-04-18 15:57:02,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:57:02,759 INFO L85 PathProgramCache]: Analyzing trace with hash 420158866, now seen corresponding path program 1 times [2022-04-18 15:57:02,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:57:02,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472077194] [2022-04-18 15:57:02,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:57:02,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:57:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 15:57:02,770 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-18 15:57:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 15:57:02,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-18 15:57:02,802 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-18 15:57:02,803 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 59 remaining) [2022-04-18 15:57:02,804 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2022-04-18 15:57:02,805 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2022-04-18 15:57:02,805 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2022-04-18 15:57:02,805 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2022-04-18 15:57:02,805 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2022-04-18 15:57:02,805 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2022-04-18 15:57:02,806 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err0ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2022-04-18 15:57:02,806 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err1ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2022-04-18 15:57:02,806 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err5ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2022-04-18 15:57:02,806 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err6ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2022-04-18 15:57:02,806 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err7ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2022-04-18 15:57:02,806 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err8ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2022-04-18 15:57:02,806 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err2ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2022-04-18 15:57:02,807 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err9ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2022-04-18 15:57:02,807 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err13ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2022-04-18 15:57:02,807 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err14ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2022-04-18 15:57:02,807 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err3ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2022-04-18 15:57:02,807 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err10ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2022-04-18 15:57:02,807 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err11ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2022-04-18 15:57:02,808 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err4ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2022-04-18 15:57:02,808 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err12ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2022-04-18 15:57:02,808 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2022-04-18 15:57:02,808 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2022-04-18 15:57:02,810 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2022-04-18 15:57:02,810 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2022-04-18 15:57:02,810 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2022-04-18 15:57:02,811 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2022-04-18 15:57:02,811 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2022-04-18 15:57:02,811 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 59 remaining) [2022-04-18 15:57:02,811 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 59 remaining) [2022-04-18 15:57:02,811 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2022-04-18 15:57:02,811 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2022-04-18 15:57:02,811 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2022-04-18 15:57:02,812 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining) [2022-04-18 15:57:02,812 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (23 of 59 remaining) [2022-04-18 15:57:02,812 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2022-04-18 15:57:02,812 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err0ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2022-04-18 15:57:02,812 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err1ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2022-04-18 15:57:02,812 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err5ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2022-04-18 15:57:02,813 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err6ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2022-04-18 15:57:02,813 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err7ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2022-04-18 15:57:02,813 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err8ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2022-04-18 15:57:02,813 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err2ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2022-04-18 15:57:02,813 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err9ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2022-04-18 15:57:02,813 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err13ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2022-04-18 15:57:02,813 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err14ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2022-04-18 15:57:02,814 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err3ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2022-04-18 15:57:02,814 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err10ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2022-04-18 15:57:02,814 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err11ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2022-04-18 15:57:02,814 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err4ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2022-04-18 15:57:02,814 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err12ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2022-04-18 15:57:02,814 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2022-04-18 15:57:02,814 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2022-04-18 15:57:02,815 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2022-04-18 15:57:02,815 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2022-04-18 15:57:02,815 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2022-04-18 15:57:02,815 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2022-04-18 15:57:02,815 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2022-04-18 15:57:02,815 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 15:57:02,819 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:57:02,820 WARN L232 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-04-18 15:57:02,820 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-04-18 15:57:02,868 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 15:57:02,870 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 15:57:02,870 INFO L340 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=true, mAutomataTypeConcurrency=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 [2022-04-18 15:57:02,871 INFO L341 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2022-04-18 15:57:02,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 278 places, 278 transitions, 592 flow [2022-04-18 15:57:02,918 INFO L129 PetriNetUnfolder]: 14/249 cut-off events. [2022-04-18 15:57:02,919 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 15:57:02,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 249 events. 14/249 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 837 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 260. Up to 6 conditions per place. [2022-04-18 15:57:02,922 INFO L82 GeneralOperation]: Start removeDead. Operand has 278 places, 278 transitions, 592 flow [2022-04-18 15:57:02,980 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 225 transitions, 468 flow [2022-04-18 15:57:02,982 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2022-04-18 15:57:02,982 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:57:02,982 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:57:02,982 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:57:02,982 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-04-18 15:57:02,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:57:02,982 INFO L85 PathProgramCache]: Analyzing trace with hash -702568456, now seen corresponding path program 1 times [2022-04-18 15:57:02,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:57:02,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747124682] [2022-04-18 15:57:02,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:57:02,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:57:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:57:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:57:03,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:57:03,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747124682] [2022-04-18 15:57:03,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747124682] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:57:03,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:57:03,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 15:57:03,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081143941] [2022-04-18 15:57:03,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:57:03,015 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 15:57:03,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:57:03,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 15:57:03,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 15:57:03,016 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 278 [2022-04-18 15:57:03,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 225 transitions, 468 flow. Second operand has 2 states, 2 states have (on average 211.0) internal successors, (422), 2 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:03,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:57:03,018 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 278 [2022-04-18 15:57:03,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:57:03,361 INFO L129 PetriNetUnfolder]: 828/4174 cut-off events. [2022-04-18 15:57:03,362 INFO L130 PetriNetUnfolder]: For 148/148 co-relation queries the response was YES. [2022-04-18 15:57:03,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5259 conditions, 4174 events. 828/4174 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 42506 event pairs, 544 based on Foata normal form. 615/3928 useless extension candidates. Maximal degree in co-relation 5228. Up to 919 conditions per place. [2022-04-18 15:57:03,415 INFO L132 encePairwiseOnDemand]: 247/278 looper letters, 16 selfloop transitions, 0 changer transitions 0/184 dead transitions. [2022-04-18 15:57:03,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 184 transitions, 418 flow [2022-04-18 15:57:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 15:57:03,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-04-18 15:57:03,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 467 transitions. [2022-04-18 15:57:03,417 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8399280575539568 [2022-04-18 15:57:03,417 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 467 transitions. [2022-04-18 15:57:03,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 467 transitions. [2022-04-18 15:57:03,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:57:03,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 467 transitions. [2022-04-18 15:57:03,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 233.5) internal successors, (467), 2 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:03,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:03,420 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:03,420 INFO L186 Difference]: Start difference. First operand has 224 places, 225 transitions, 468 flow. Second operand 2 states and 467 transitions. [2022-04-18 15:57:03,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 184 transitions, 418 flow [2022-04-18 15:57:03,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 184 transitions, 414 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-04-18 15:57:03,423 INFO L242 Difference]: Finished difference. Result has 187 places, 184 transitions, 382 flow [2022-04-18 15:57:03,423 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=382, PETRI_PLACES=187, PETRI_TRANSITIONS=184} [2022-04-18 15:57:03,425 INFO L335 CegarLoopForPetriNet]: 224 programPoint places, -37 predicate places. [2022-04-18 15:57:03,425 INFO L478 AbstractCegarLoop]: Abstraction has has 187 places, 184 transitions, 382 flow [2022-04-18 15:57:03,426 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 211.0) internal successors, (422), 2 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:03,426 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:57:03,426 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:57:03,426 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 15:57:03,426 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-04-18 15:57:03,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:57:03,427 INFO L85 PathProgramCache]: Analyzing trace with hash -271610757, now seen corresponding path program 1 times [2022-04-18 15:57:03,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:57:03,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819351687] [2022-04-18 15:57:03,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:57:03,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:57:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:57:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:57:03,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:57:03,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819351687] [2022-04-18 15:57:03,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819351687] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:57:03,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:57:03,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:57:03,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700969032] [2022-04-18 15:57:03,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:57:03,454 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:57:03,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:57:03,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:57:03,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:57:03,455 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 278 [2022-04-18 15:57:03,455 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 184 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:03,455 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:57:03,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 278 [2022-04-18 15:57:03,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:57:08,265 INFO L129 PetriNetUnfolder]: 24792/64396 cut-off events. [2022-04-18 15:57:08,266 INFO L130 PetriNetUnfolder]: For 2018/2018 co-relation queries the response was YES. [2022-04-18 15:57:08,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97394 conditions, 64396 events. 24792/64396 cut-off events. For 2018/2018 co-relation queries the response was YES. Maximal size of possible extension queue 2456. Compared 843985 event pairs, 13489 based on Foata normal form. 0/50259 useless extension candidates. Maximal degree in co-relation 97389. Up to 24503 conditions per place. [2022-04-18 15:57:09,289 INFO L132 encePairwiseOnDemand]: 269/278 looper letters, 58 selfloop transitions, 8 changer transitions 0/214 dead transitions. [2022-04-18 15:57:09,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 214 transitions, 584 flow [2022-04-18 15:57:09,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:57:09,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:57:09,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 619 transitions. [2022-04-18 15:57:09,291 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7422062350119905 [2022-04-18 15:57:09,291 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 619 transitions. [2022-04-18 15:57:09,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 619 transitions. [2022-04-18 15:57:09,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:57:09,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 619 transitions. [2022-04-18 15:57:09,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:09,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 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) [2022-04-18 15:57:09,295 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 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) [2022-04-18 15:57:09,295 INFO L186 Difference]: Start difference. First operand has 187 places, 184 transitions, 382 flow. Second operand 3 states and 619 transitions. [2022-04-18 15:57:09,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 214 transitions, 584 flow [2022-04-18 15:57:09,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 214 transitions, 584 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 15:57:09,299 INFO L242 Difference]: Finished difference. Result has 191 places, 191 transitions, 444 flow [2022-04-18 15:57:09,299 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=191, PETRI_TRANSITIONS=191} [2022-04-18 15:57:09,300 INFO L335 CegarLoopForPetriNet]: 224 programPoint places, -33 predicate places. [2022-04-18 15:57:09,300 INFO L478 AbstractCegarLoop]: Abstraction has has 191 places, 191 transitions, 444 flow [2022-04-18 15:57:09,300 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:09,300 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:57:09,300 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:57:09,301 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 15:57:09,301 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-04-18 15:57:09,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:57:09,301 INFO L85 PathProgramCache]: Analyzing trace with hash 630105228, now seen corresponding path program 1 times [2022-04-18 15:57:09,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:57:09,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591560998] [2022-04-18 15:57:09,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:57:09,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:57:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:57:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:57:09,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:57:09,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591560998] [2022-04-18 15:57:09,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591560998] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:57:09,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:57:09,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:57:09,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501480028] [2022-04-18 15:57:09,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:57:09,328 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:57:09,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:57:09,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:57:09,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:57:09,330 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 278 [2022-04-18 15:57:09,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 191 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:09,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:57:09,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 278 [2022-04-18 15:57:09,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:57:16,449 INFO L129 PetriNetUnfolder]: 32310/90532 cut-off events. [2022-04-18 15:57:16,449 INFO L130 PetriNetUnfolder]: For 19142/20694 co-relation queries the response was YES. [2022-04-18 15:57:17,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 151673 conditions, 90532 events. 32310/90532 cut-off events. For 19142/20694 co-relation queries the response was YES. Maximal size of possible extension queue 3400. Compared 1283075 event pairs, 11055 based on Foata normal form. 11/73378 useless extension candidates. Maximal degree in co-relation 151666. Up to 22123 conditions per place. [2022-04-18 15:57:18,247 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 61 selfloop transitions, 14 changer transitions 0/226 dead transitions. [2022-04-18 15:57:18,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 226 transitions, 714 flow [2022-04-18 15:57:18,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:57:18,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:57:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2022-04-18 15:57:18,249 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7482014388489209 [2022-04-18 15:57:18,250 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 624 transitions. [2022-04-18 15:57:18,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 624 transitions. [2022-04-18 15:57:18,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:57:18,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 624 transitions. [2022-04-18 15:57:18,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:18,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 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) [2022-04-18 15:57:18,254 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 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) [2022-04-18 15:57:18,254 INFO L186 Difference]: Start difference. First operand has 191 places, 191 transitions, 444 flow. Second operand 3 states and 624 transitions. [2022-04-18 15:57:18,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 226 transitions, 714 flow [2022-04-18 15:57:18,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 226 transitions, 684 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:57:18,425 INFO L242 Difference]: Finished difference. Result has 193 places, 205 transitions, 568 flow [2022-04-18 15:57:18,426 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=568, PETRI_PLACES=193, PETRI_TRANSITIONS=205} [2022-04-18 15:57:18,426 INFO L335 CegarLoopForPetriNet]: 224 programPoint places, -31 predicate places. [2022-04-18 15:57:18,426 INFO L478 AbstractCegarLoop]: Abstraction has has 193 places, 205 transitions, 568 flow [2022-04-18 15:57:18,427 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:18,427 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:57:18,427 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:57:18,427 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 15:57:18,427 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-04-18 15:57:18,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:57:18,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1768666209, now seen corresponding path program 1 times [2022-04-18 15:57:18,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:57:18,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332670314] [2022-04-18 15:57:18,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:57:18,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:57:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:57:18,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:57:18,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:57:18,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332670314] [2022-04-18 15:57:18,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332670314] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:57:18,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:57:18,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:57:18,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006519606] [2022-04-18 15:57:18,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:57:18,461 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:57:18,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:57:18,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:57:18,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:57:18,463 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 278 [2022-04-18 15:57:18,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 205 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:57:18,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:57:18,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 278 [2022-04-18 15:57:18,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:57:23,777 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1120] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][184], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), Black: 290#true, 166#L716-1true, thr2Thread1of2ForFork2InUse, 17#L740-4true, thr1Thread1of2ForFork0InUse, 90#L723-6true, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1NotInUse, 21#L729-3true, 296#true]) [2022-04-18 15:57:23,777 INFO L384 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-04-18 15:57:23,777 INFO L387 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-04-18 15:57:23,777 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-04-18 15:57:23,777 INFO L387 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-04-18 15:57:24,286 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), Black: 290#true, 218#L718-1true, thr2Thread1of2ForFork2InUse, 17#L740-4true, thr1Thread1of2ForFork0InUse, 101#L723-7true, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1NotInUse, 296#true, 212#L730true]) [2022-04-18 15:57:24,286 INFO L384 tUnfolder$Statistics]: this new event has 75 ancestors and is cut-off event [2022-04-18 15:57:24,286 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-04-18 15:57:24,286 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-04-18 15:57:24,286 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-04-18 15:57:24,811 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), Black: 290#true, 218#L718-1true, thr2Thread1of2ForFork2InUse, 17#L740-4true, thr1Thread1of2ForFork0InUse, 101#L723-7true, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1NotInUse, 296#true, 258#L730-2true]) [2022-04-18 15:57:24,812 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2022-04-18 15:57:24,812 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-04-18 15:57:24,812 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-04-18 15:57:24,812 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event