./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread/queue_ok.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d 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 ../../../trunk/examples/svcomp/pthread/queue_ok.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 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:16:32,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:16:32,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:16:32,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:16:32,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:16:32,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:16:32,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:16:32,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:16:32,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:16:32,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:16:32,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:16:32,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:16:32,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:16:32,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:16:32,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:16:32,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:16:32,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:16:32,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:16:32,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:16:32,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:16:32,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:16:32,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:16:32,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:16:32,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:16:32,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:16:32,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:16:32,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:16:32,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:16:32,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:16:32,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:16:32,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:16:32,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:16:32,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:16:32,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:16:32,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:16:32,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:16:32,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:16:32,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:16:32,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:16:32,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:16:32,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:16:32,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:16:32,691 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:16:32,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:16:32,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:16:32,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:16:32,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:16:32,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:16:32,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:16:32,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:16:32,694 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:16:32,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:16:32,695 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:16:32,695 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:16:32,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:16:32,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:16:32,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:16:32,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:16:32,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:16:32,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:16:32,696 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:16:32,697 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:16:32,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:16:32,697 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:16:32,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:16:32,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:16:32,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:16:32,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:16:32,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:16:32,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:16:32,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:16:32,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:16:32,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:16:32,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:16:32,699 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:16:32,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:16:32,699 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:16:32,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:16:32,700 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:16:32,700 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 09:16:32,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:16:32,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:16:32,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:16:32,965 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:16:32,965 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:16:32,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok.i [2023-08-29 09:16:33,855 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:16:34,081 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:16:34,081 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i [2023-08-29 09:16:34,093 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180f20e48/67769629786540249e5f30f1aa18f84f/FLAG0eaac9459 [2023-08-29 09:16:34,102 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180f20e48/67769629786540249e5f30f1aa18f84f [2023-08-29 09:16:34,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:16:34,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:16:34,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:16:34,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:16:34,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:16:34,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f776e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34, skipping insertion in model container [2023-08-29 09:16:34,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:16:34,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:16:34,510 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i[43266,43279] [2023-08-29 09:16:34,514 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i[43543,43556] [2023-08-29 09:16:34,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:16:34,527 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:16:34,587 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i[43266,43279] [2023-08-29 09:16:34,593 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i[43543,43556] [2023-08-29 09:16:34,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:16:34,649 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:16:34,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34 WrapperNode [2023-08-29 09:16:34,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:16:34,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:16:34,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:16:34,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:16:34,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,730 INFO L138 Inliner]: procedures = 274, calls = 57, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 388 [2023-08-29 09:16:34,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:16:34,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:16:34,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:16:34,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:16:34,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,796 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:16:34,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:16:34,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:16:34,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:16:34,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:16:34,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:16:34,845 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) [2023-08-29 09:16:34,862 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 [2023-08-29 09:16:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-29 09:16:34,871 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-29 09:16:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-29 09:16:34,871 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-29 09:16:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:16:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:16:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:16:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:16:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 09:16:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:16:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:16:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:16:34,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:16:34,873 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:16:35,030 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:16:35,032 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:16:35,506 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:16:35,515 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:16:35,515 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 09:16:35,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:16:35 BoogieIcfgContainer [2023-08-29 09:16:35,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:16:35,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:16:35,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:16:35,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:16:35,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:16:34" (1/3) ... [2023-08-29 09:16:35,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e26d9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:16:35, skipping insertion in model container [2023-08-29 09:16:35,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34" (2/3) ... [2023-08-29 09:16:35,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e26d9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:16:35, skipping insertion in model container [2023-08-29 09:16:35,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:16:35" (3/3) ... [2023-08-29 09:16:35,522 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2023-08-29 09:16:35,527 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:16:35,532 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:16:35,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2023-08-29 09:16:35,533 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:16:35,673 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:16:35,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 428 places, 434 transitions, 884 flow [2023-08-29 09:16:35,842 INFO L130 PetriNetUnfolder]: 13/432 cut-off events. [2023-08-29 09:16:35,842 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:16:35,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 432 events. 13/432 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 789 event pairs, 0 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 310. Up to 3 conditions per place. [2023-08-29 09:16:35,853 INFO L82 GeneralOperation]: Start removeDead. Operand has 428 places, 434 transitions, 884 flow [2023-08-29 09:16:35,860 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 417 places, 423 transitions, 855 flow [2023-08-29 09:16:35,862 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:16:35,871 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 417 places, 423 transitions, 855 flow [2023-08-29 09:16:35,873 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 417 places, 423 transitions, 855 flow [2023-08-29 09:16:35,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 417 places, 423 transitions, 855 flow [2023-08-29 09:16:35,951 INFO L130 PetriNetUnfolder]: 13/423 cut-off events. [2023-08-29 09:16:35,951 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 09:16:35,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 423 events. 13/423 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 714 event pairs, 0 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 310. Up to 3 conditions per place. [2023-08-29 09:16:35,972 INFO L119 LiptonReduction]: Number of co-enabled transitions 51498 [2023-08-29 09:16:59,634 WARN L222 SmtUtils]: Spent 8.63s on a formula simplification. DAG size of input: 133 DAG size of output: 122 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:17:14,612 WARN L222 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 140 DAG size of output: 129 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:17:30,728 WARN L222 SmtUtils]: Spent 13.30s on a formula simplification that was a NOOP. DAG size: 211 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:17:43,220 WARN L222 SmtUtils]: Spent 12.49s on a formula simplification that was a NOOP. DAG size: 207 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:17:51,257 INFO L134 LiptonReduction]: Checked pairs total: 417764 [2023-08-29 09:17:51,257 INFO L136 LiptonReduction]: Total number of compositions: 280 [2023-08-29 09:17:51,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:17:51,268 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7b7ed963, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:17:51,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2023-08-29 09:17:51,269 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 09:17:51,269 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:17:51,269 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:17:51,270 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 09:17:51,270 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-08-29 09:17:51,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:17:51,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1518, now seen corresponding path program 1 times [2023-08-29 09:17:51,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:17:51,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334199584] [2023-08-29 09:17:51,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:17:51,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:17:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:17:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:17:51,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:17:51,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334199584] [2023-08-29 09:17:51,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334199584] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:17:51,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:17:51,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 09:17:51,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42828614] [2023-08-29 09:17:51,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:17:51,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:17:51,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:17:51,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:17:51,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:17:51,395 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 714 [2023-08-29 09:17:51,399 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 203 transitions, 415 flow. Second operand has 2 states, 2 states have (on average 423.5) internal successors, (847), 2 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:51,399 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:17:51,399 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 714 [2023-08-29 09:17:51,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:17:51,992 INFO L130 PetriNetUnfolder]: 2279/7244 cut-off events. [2023-08-29 09:17:51,992 INFO L131 PetriNetUnfolder]: For 103/103 co-relation queries the response was YES. [2023-08-29 09:17:51,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10984 conditions, 7244 events. 2279/7244 cut-off events. For 103/103 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 61684 event pairs, 1913 based on Foata normal form. 0/6718 useless extension candidates. Maximal degree in co-relation 10544. Up to 3662 conditions per place. [2023-08-29 09:17:52,019 INFO L137 encePairwiseOnDemand]: 707/714 looper letters, 62 selfloop transitions, 0 changer transitions 0/196 dead transitions. [2023-08-29 09:17:52,020 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 196 transitions, 525 flow [2023-08-29 09:17:52,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:17:52,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:17:52,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 915 transitions. [2023-08-29 09:17:52,040 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6407563025210085 [2023-08-29 09:17:52,040 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 915 transitions. [2023-08-29 09:17:52,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 915 transitions. [2023-08-29 09:17:52,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:17:52,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 915 transitions. [2023-08-29 09:17:52,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 457.5) internal successors, (915), 2 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:52,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 714.0) internal successors, (2142), 3 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:52,053 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 714.0) internal successors, (2142), 3 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:52,054 INFO L175 Difference]: Start difference. First operand has 203 places, 203 transitions, 415 flow. Second operand 2 states and 915 transitions. [2023-08-29 09:17:52,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 196 transitions, 525 flow [2023-08-29 09:17:52,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 196 transitions, 520 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 09:17:52,060 INFO L231 Difference]: Finished difference. Result has 194 places, 196 transitions, 396 flow [2023-08-29 09:17:52,061 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=396, PETRI_PLACES=194, PETRI_TRANSITIONS=196} [2023-08-29 09:17:52,063 INFO L281 CegarLoopForPetriNet]: 203 programPoint places, -9 predicate places. [2023-08-29 09:17:52,063 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 196 transitions, 396 flow [2023-08-29 09:17:52,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 423.5) internal successors, (847), 2 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:52,064 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:17:52,064 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 09:17:52,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 09:17:52,064 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-08-29 09:17:52,065 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:17:52,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1449708800, now seen corresponding path program 1 times [2023-08-29 09:17:52,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:17:52,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131336979] [2023-08-29 09:17:52,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:17:52,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:17:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:17:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:17:52,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:17:52,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131336979] [2023-08-29 09:17:52,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131336979] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:17:52,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:17:52,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:17:52,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124230862] [2023-08-29 09:17:52,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:17:52,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:17:52,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:17:52,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:17:52,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:17:52,190 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 714 [2023-08-29 09:17:52,192 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 196 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:52,192 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:17:52,192 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 714 [2023-08-29 09:17:52,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:17:53,090 INFO L130 PetriNetUnfolder]: 2805/8693 cut-off events. [2023-08-29 09:17:53,090 INFO L131 PetriNetUnfolder]: For 26/78 co-relation queries the response was YES. [2023-08-29 09:17:53,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13343 conditions, 8693 events. 2805/8693 cut-off events. For 26/78 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 76196 event pairs, 599 based on Foata normal form. 1/8069 useless extension candidates. Maximal degree in co-relation 13340. Up to 3304 conditions per place. [2023-08-29 09:17:53,121 INFO L137 encePairwiseOnDemand]: 709/714 looper letters, 120 selfloop transitions, 4 changer transitions 0/254 dead transitions. [2023-08-29 09:17:53,121 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 254 transitions, 763 flow [2023-08-29 09:17:53,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:17:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:17:53,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1376 transitions. [2023-08-29 09:17:53,124 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.642390289449113 [2023-08-29 09:17:53,124 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1376 transitions. [2023-08-29 09:17:53,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1376 transitions. [2023-08-29 09:17:53,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:17:53,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1376 transitions. [2023-08-29 09:17:53,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 458.6666666666667) internal successors, (1376), 3 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:53,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 714.0) internal successors, (2856), 4 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:53,132 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 714.0) internal successors, (2856), 4 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:53,132 INFO L175 Difference]: Start difference. First operand has 194 places, 196 transitions, 396 flow. Second operand 3 states and 1376 transitions. [2023-08-29 09:17:53,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 254 transitions, 763 flow [2023-08-29 09:17:53,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 254 transitions, 763 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:17:53,135 INFO L231 Difference]: Finished difference. Result has 198 places, 199 transitions, 426 flow [2023-08-29 09:17:53,136 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=426, PETRI_PLACES=198, PETRI_TRANSITIONS=199} [2023-08-29 09:17:53,136 INFO L281 CegarLoopForPetriNet]: 203 programPoint places, -5 predicate places. [2023-08-29 09:17:53,136 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 199 transitions, 426 flow [2023-08-29 09:17:53,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:53,137 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:17:53,137 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:17:53,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 09:17:53,138 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-08-29 09:17:53,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:17:53,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1598779192, now seen corresponding path program 1 times [2023-08-29 09:17:53,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:17:53,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10978255] [2023-08-29 09:17:53,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:17:53,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:17:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:17:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:17:53,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:17:53,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10978255] [2023-08-29 09:17:53,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10978255] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:17:53,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:17:53,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:17:53,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900650658] [2023-08-29 09:17:53,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:17:53,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:17:53,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:17:53,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:17:53,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:17:53,198 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 714 [2023-08-29 09:17:53,200 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 199 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:53,200 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:17:53,200 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 714 [2023-08-29 09:17:53,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:17:53,966 INFO L130 PetriNetUnfolder]: 2902/9265 cut-off events. [2023-08-29 09:17:53,966 INFO L131 PetriNetUnfolder]: For 270/270 co-relation queries the response was YES. [2023-08-29 09:17:53,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14350 conditions, 9265 events. 2902/9265 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 84786 event pairs, 696 based on Foata normal form. 0/8518 useless extension candidates. Maximal degree in co-relation 14345. Up to 3234 conditions per place. [2023-08-29 09:17:53,993 INFO L137 encePairwiseOnDemand]: 709/714 looper letters, 117 selfloop transitions, 4 changer transitions 0/254 dead transitions. [2023-08-29 09:17:53,994 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 254 transitions, 783 flow [2023-08-29 09:17:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:17:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:17:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1372 transitions. [2023-08-29 09:17:53,996 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6405228758169934 [2023-08-29 09:17:53,997 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1372 transitions. [2023-08-29 09:17:53,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1372 transitions. [2023-08-29 09:17:53,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:17:53,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1372 transitions. [2023-08-29 09:17:54,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 457.3333333333333) internal successors, (1372), 3 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:54,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 714.0) internal successors, (2856), 4 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:54,003 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 714.0) internal successors, (2856), 4 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:54,004 INFO L175 Difference]: Start difference. First operand has 198 places, 199 transitions, 426 flow. Second operand 3 states and 1372 transitions. [2023-08-29 09:17:54,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 254 transitions, 783 flow [2023-08-29 09:17:54,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 254 transitions, 773 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:17:54,008 INFO L231 Difference]: Finished difference. Result has 200 places, 202 transitions, 448 flow [2023-08-29 09:17:54,008 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=448, PETRI_PLACES=200, PETRI_TRANSITIONS=202} [2023-08-29 09:17:54,008 INFO L281 CegarLoopForPetriNet]: 203 programPoint places, -3 predicate places. [2023-08-29 09:17:54,009 INFO L495 AbstractCegarLoop]: Abstraction has has 200 places, 202 transitions, 448 flow [2023-08-29 09:17:54,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:54,009 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:17:54,010 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:17:54,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 09:17:54,010 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-08-29 09:17:54,010 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:17:54,010 INFO L85 PathProgramCache]: Analyzing trace with hash 766947390, now seen corresponding path program 1 times [2023-08-29 09:17:54,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:17:54,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904597306] [2023-08-29 09:17:54,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:17:54,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:17:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:17:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:17:54,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:17:54,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904597306] [2023-08-29 09:17:54,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904597306] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:17:54,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:17:54,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 09:17:54,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682689355] [2023-08-29 09:17:54,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:17:54,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:17:54,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:17:54,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:17:54,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:17:54,079 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 714 [2023-08-29 09:17:54,080 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 202 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:54,080 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:17:54,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 714 [2023-08-29 09:17:54,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:17:55,228 INFO L130 PetriNetUnfolder]: 4400/15079 cut-off events. [2023-08-29 09:17:55,229 INFO L131 PetriNetUnfolder]: For 378/378 co-relation queries the response was YES. [2023-08-29 09:17:55,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22853 conditions, 15079 events. 4400/15079 cut-off events. For 378/378 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 145628 event pairs, 2398 based on Foata normal form. 0/14133 useless extension candidates. Maximal degree in co-relation 22847. Up to 4544 conditions per place. [2023-08-29 09:17:55,276 INFO L137 encePairwiseOnDemand]: 711/714 looper letters, 113 selfloop transitions, 2 changer transitions 0/252 dead transitions. [2023-08-29 09:17:55,277 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 252 transitions, 784 flow [2023-08-29 09:17:55,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:17:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:17:55,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1370 transitions. [2023-08-29 09:17:55,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6395891690009337 [2023-08-29 09:17:55,280 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1370 transitions. [2023-08-29 09:17:55,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1370 transitions. [2023-08-29 09:17:55,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:17:55,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1370 transitions. [2023-08-29 09:17:55,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 456.6666666666667) internal successors, (1370), 3 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:55,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 714.0) internal successors, (2856), 4 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:55,287 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 714.0) internal successors, (2856), 4 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:55,287 INFO L175 Difference]: Start difference. First operand has 200 places, 202 transitions, 448 flow. Second operand 3 states and 1370 transitions. [2023-08-29 09:17:55,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 252 transitions, 784 flow [2023-08-29 09:17:55,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 252 transitions, 774 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:17:55,291 INFO L231 Difference]: Finished difference. Result has 201 places, 203 transitions, 452 flow [2023-08-29 09:17:55,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=201, PETRI_TRANSITIONS=203} [2023-08-29 09:17:55,292 INFO L281 CegarLoopForPetriNet]: 203 programPoint places, -2 predicate places. [2023-08-29 09:17:55,292 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 203 transitions, 452 flow [2023-08-29 09:17:55,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:55,293 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:17:55,293 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:17:55,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 09:17:55,293 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-08-29 09:17:55,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:17:55,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1218439325, now seen corresponding path program 1 times [2023-08-29 09:17:55,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:17:55,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346265390] [2023-08-29 09:17:55,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:17:55,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:17:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:17:55,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:17:55,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:17:55,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346265390] [2023-08-29 09:17:55,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346265390] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:17:55,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:17:55,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 09:17:55,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988591278] [2023-08-29 09:17:55,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:17:55,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 09:17:55,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:17:55,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 09:17:55,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 09:17:56,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 714 [2023-08-29 09:17:56,244 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 203 transitions, 452 flow. Second operand has 6 states, 6 states have (on average 371.6666666666667) internal successors, (2230), 6 states have internal predecessors, (2230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:17:56,244 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:17:56,244 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 714 [2023-08-29 09:17:56,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:18:06,700 INFO L130 PetriNetUnfolder]: 78188/143665 cut-off events. [2023-08-29 09:18:06,701 INFO L131 PetriNetUnfolder]: For 4254/4254 co-relation queries the response was YES. [2023-08-29 09:18:06,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268579 conditions, 143665 events. 78188/143665 cut-off events. For 4254/4254 co-relation queries the response was YES. Maximal size of possible extension queue 1812. Compared 1389517 event pairs, 28903 based on Foata normal form. 0/134360 useless extension candidates. Maximal degree in co-relation 268572. Up to 81058 conditions per place. [2023-08-29 09:18:07,311 INFO L137 encePairwiseOnDemand]: 676/714 looper letters, 316 selfloop transitions, 133 changer transitions 0/553 dead transitions. [2023-08-29 09:18:07,311 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 553 transitions, 2139 flow [2023-08-29 09:18:07,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 09:18:07,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 09:18:07,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2650 transitions. [2023-08-29 09:18:07,315 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6185807656395892 [2023-08-29 09:18:07,316 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2650 transitions. [2023-08-29 09:18:07,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2650 transitions. [2023-08-29 09:18:07,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:18:07,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2650 transitions. [2023-08-29 09:18:07,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 441.6666666666667) internal successors, (2650), 6 states have internal predecessors, (2650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:07,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 714.0) internal successors, (4998), 7 states have internal predecessors, (4998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:07,328 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 714.0) internal successors, (4998), 7 states have internal predecessors, (4998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:07,328 INFO L175 Difference]: Start difference. First operand has 201 places, 203 transitions, 452 flow. Second operand 6 states and 2650 transitions. [2023-08-29 09:18:07,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 553 transitions, 2139 flow [2023-08-29 09:18:07,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 553 transitions, 2129 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 09:18:07,341 INFO L231 Difference]: Finished difference. Result has 210 places, 335 transitions, 1320 flow [2023-08-29 09:18:07,341 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1320, PETRI_PLACES=210, PETRI_TRANSITIONS=335} [2023-08-29 09:18:07,343 INFO L281 CegarLoopForPetriNet]: 203 programPoint places, 7 predicate places. [2023-08-29 09:18:07,343 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 335 transitions, 1320 flow [2023-08-29 09:18:07,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 371.6666666666667) internal successors, (2230), 6 states have internal predecessors, (2230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:07,345 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:18:07,345 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:18:07,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 09:18:07,345 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-08-29 09:18:07,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:18:07,346 INFO L85 PathProgramCache]: Analyzing trace with hash -476432412, now seen corresponding path program 1 times [2023-08-29 09:18:07,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:18:07,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461727189] [2023-08-29 09:18:07,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:18:07,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:18:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:18:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:18:07,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:18:07,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461727189] [2023-08-29 09:18:07,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461727189] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:18:07,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:18:07,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 09:18:07,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630602306] [2023-08-29 09:18:07,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:18:07,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:18:07,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:18:07,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:18:07,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:18:07,398 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 714 [2023-08-29 09:18:07,399 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 335 transitions, 1320 flow. Second operand has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:07,399 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:18:07,399 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 714 [2023-08-29 09:18:07,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:18:19,061 INFO L130 PetriNetUnfolder]: 51596/137408 cut-off events. [2023-08-29 09:18:19,061 INFO L131 PetriNetUnfolder]: For 29143/37683 co-relation queries the response was YES. [2023-08-29 09:18:19,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277797 conditions, 137408 events. 51596/137408 cut-off events. For 29143/37683 co-relation queries the response was YES. Maximal size of possible extension queue 1672. Compared 1726495 event pairs, 16589 based on Foata normal form. 0/129293 useless extension candidates. Maximal degree in co-relation 277786. Up to 42884 conditions per place. [2023-08-29 09:18:19,805 INFO L137 encePairwiseOnDemand]: 710/714 looper letters, 154 selfloop transitions, 3 changer transitions 0/406 dead transitions. [2023-08-29 09:18:19,805 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 406 transitions, 1879 flow [2023-08-29 09:18:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:18:19,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:18:19,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1370 transitions. [2023-08-29 09:18:19,808 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6395891690009337 [2023-08-29 09:18:19,808 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1370 transitions. [2023-08-29 09:18:19,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1370 transitions. [2023-08-29 09:18:19,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:18:19,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1370 transitions. [2023-08-29 09:18:19,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 456.6666666666667) internal successors, (1370), 3 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:19,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 714.0) internal successors, (2856), 4 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:19,814 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 714.0) internal successors, (2856), 4 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:19,814 INFO L175 Difference]: Start difference. First operand has 210 places, 335 transitions, 1320 flow. Second operand 3 states and 1370 transitions. [2023-08-29 09:18:19,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 406 transitions, 1879 flow [2023-08-29 09:18:22,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 406 transitions, 1879 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:18:22,712 INFO L231 Difference]: Finished difference. Result has 213 places, 337 transitions, 1339 flow [2023-08-29 09:18:22,712 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=1320, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1339, PETRI_PLACES=213, PETRI_TRANSITIONS=337} [2023-08-29 09:18:22,713 INFO L281 CegarLoopForPetriNet]: 203 programPoint places, 10 predicate places. [2023-08-29 09:18:22,713 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 337 transitions, 1339 flow [2023-08-29 09:18:22,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:22,714 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:18:22,714 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:18:22,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 09:18:22,714 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-08-29 09:18:22,715 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:18:22,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1973975987, now seen corresponding path program 1 times [2023-08-29 09:18:22,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:18:22,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802222319] [2023-08-29 09:18:22,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:18:22,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:18:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:18:22,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:18:22,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:18:22,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802222319] [2023-08-29 09:18:22,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802222319] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:18:22,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:18:22,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 09:18:22,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866782644] [2023-08-29 09:18:22,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:18:22,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 09:18:22,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:18:22,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 09:18:22,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 09:18:23,512 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 714 [2023-08-29 09:18:23,514 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 337 transitions, 1339 flow. Second operand has 6 states, 6 states have (on average 362.6666666666667) internal successors, (2176), 6 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:23,514 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:18:23,514 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 714 [2023-08-29 09:18:23,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:18:47,523 INFO L130 PetriNetUnfolder]: 126863/263414 cut-off events. [2023-08-29 09:18:47,524 INFO L131 PetriNetUnfolder]: For 116567/124873 co-relation queries the response was YES. [2023-08-29 09:18:48,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617572 conditions, 263414 events. 126863/263414 cut-off events. For 116567/124873 co-relation queries the response was YES. Maximal size of possible extension queue 3081. Compared 3022300 event pairs, 39523 based on Foata normal form. 12/249375 useless extension candidates. Maximal degree in co-relation 617559. Up to 142917 conditions per place. [2023-08-29 09:18:49,098 INFO L137 encePairwiseOnDemand]: 680/714 looper letters, 358 selfloop transitions, 271 changer transitions 0/742 dead transitions. [2023-08-29 09:18:49,098 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 742 transitions, 4401 flow [2023-08-29 09:18:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 09:18:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 09:18:49,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2464 transitions. [2023-08-29 09:18:49,102 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5751633986928104 [2023-08-29 09:18:49,102 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2464 transitions. [2023-08-29 09:18:49,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2464 transitions. [2023-08-29 09:18:49,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:18:49,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2464 transitions. [2023-08-29 09:18:49,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 410.6666666666667) internal successors, (2464), 6 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:49,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 714.0) internal successors, (4998), 7 states have internal predecessors, (4998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:49,111 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 714.0) internal successors, (4998), 7 states have internal predecessors, (4998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:49,111 INFO L175 Difference]: Start difference. First operand has 213 places, 337 transitions, 1339 flow. Second operand 6 states and 2464 transitions. [2023-08-29 09:18:49,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 742 transitions, 4401 flow [2023-08-29 09:18:55,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 742 transitions, 4386 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 09:18:55,351 INFO L231 Difference]: Finished difference. Result has 222 places, 606 transitions, 4060 flow [2023-08-29 09:18:55,351 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=1336, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4060, PETRI_PLACES=222, PETRI_TRANSITIONS=606} [2023-08-29 09:18:55,351 INFO L281 CegarLoopForPetriNet]: 203 programPoint places, 19 predicate places. [2023-08-29 09:18:55,352 INFO L495 AbstractCegarLoop]: Abstraction has has 222 places, 606 transitions, 4060 flow [2023-08-29 09:18:55,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 362.6666666666667) internal successors, (2176), 6 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:55,352 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:18:55,353 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:18:55,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 09:18:55,353 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-08-29 09:18:55,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:18:55,353 INFO L85 PathProgramCache]: Analyzing trace with hash -413471352, now seen corresponding path program 1 times [2023-08-29 09:18:55,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:18:55,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728709297] [2023-08-29 09:18:55,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:18:55,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:18:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:18:55,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:18:55,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:18:55,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728709297] [2023-08-29 09:18:55,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728709297] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:18:55,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:18:55,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 09:18:55,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181894133] [2023-08-29 09:18:55,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:18:55,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 09:18:55,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:18:55,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 09:18:55,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 09:18:56,186 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 714 [2023-08-29 09:18:56,187 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 606 transitions, 4060 flow. Second operand has 6 states, 6 states have (on average 373.0) internal successors, (2238), 6 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:18:56,188 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:18:56,188 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 714 [2023-08-29 09:18:56,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:19:28,638 INFO L130 PetriNetUnfolder]: 140375/319652 cut-off events. [2023-08-29 09:19:28,638 INFO L131 PetriNetUnfolder]: For 313657/330613 co-relation queries the response was YES. [2023-08-29 09:19:29,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 830573 conditions, 319652 events. 140375/319652 cut-off events. For 313657/330613 co-relation queries the response was YES. Maximal size of possible extension queue 3590. Compared 4021539 event pairs, 32902 based on Foata normal form. 1075/304322 useless extension candidates. Maximal degree in co-relation 830556. Up to 169689 conditions per place. [2023-08-29 09:19:30,833 INFO L137 encePairwiseOnDemand]: 686/714 looper letters, 618 selfloop transitions, 491 changer transitions 0/1228 dead transitions. [2023-08-29 09:19:30,833 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 1228 transitions, 9856 flow [2023-08-29 09:19:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 09:19:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 09:19:30,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2520 transitions. [2023-08-29 09:19:30,837 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5882352941176471 [2023-08-29 09:19:30,837 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2520 transitions. [2023-08-29 09:19:30,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2520 transitions. [2023-08-29 09:19:30,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:19:30,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2520 transitions. [2023-08-29 09:19:30,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 420.0) internal successors, (2520), 6 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:19:30,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 714.0) internal successors, (4998), 7 states have internal predecessors, (4998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:19:30,845 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 714.0) internal successors, (4998), 7 states have internal predecessors, (4998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:19:30,845 INFO L175 Difference]: Start difference. First operand has 222 places, 606 transitions, 4060 flow. Second operand 6 states and 2520 transitions. [2023-08-29 09:19:30,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 1228 transitions, 9856 flow [2023-08-29 09:19:38,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 1228 transitions, 9856 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:19:38,891 INFO L231 Difference]: Finished difference. Result has 232 places, 1096 transitions, 9492 flow [2023-08-29 09:19:38,892 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=4060, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=9492, PETRI_PLACES=232, PETRI_TRANSITIONS=1096} [2023-08-29 09:19:38,892 INFO L281 CegarLoopForPetriNet]: 203 programPoint places, 29 predicate places. [2023-08-29 09:19:38,892 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 1096 transitions, 9492 flow [2023-08-29 09:19:38,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 373.0) internal successors, (2238), 6 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:19:38,893 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:19:38,893 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:19:38,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 09:19:38,894 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-08-29 09:19:38,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:19:38,894 INFO L85 PathProgramCache]: Analyzing trace with hash 626472581, now seen corresponding path program 1 times [2023-08-29 09:19:38,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:19:38,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224552566] [2023-08-29 09:19:38,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:19:38,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:19:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:19:39,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:19:39,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:19:39,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224552566] [2023-08-29 09:19:39,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224552566] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:19:39,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:19:39,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 09:19:39,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949643550] [2023-08-29 09:19:39,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:19:39,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 09:19:39,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:19:39,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 09:19:39,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 09:19:39,516 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 714 [2023-08-29 09:19:39,517 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 1096 transitions, 9492 flow. Second operand has 6 states, 6 states have (on average 309.3333333333333) internal successors, (1856), 6 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:19:39,517 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:19:39,517 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 714 [2023-08-29 09:19:39,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:19:43,111 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1328] L981-8-->L981-10: Formula: (= (store |v_#race_364| |v_t1Thread1of1ForFork0_enqueue_~q#1.base_137| (store (select |v_#race_364| |v_t1Thread1of1ForFork0_enqueue_~q#1.base_137|) (+ 88 |v_t1Thread1of1ForFork0_enqueue_~q#1.offset_137|) |v_t1Thread1of1ForFork0_enqueue_#t~nondet43#1_25|)) |v_#race_363|) InVars {#race=|v_#race_364|, t1Thread1of1ForFork0_enqueue_~q#1.offset=|v_t1Thread1of1ForFork0_enqueue_~q#1.offset_137|, t1Thread1of1ForFork0_enqueue_~q#1.base=|v_t1Thread1of1ForFork0_enqueue_~q#1.base_137|} OutVars{#race=|v_#race_363|, t1Thread1of1ForFork0_enqueue_#t~nondet43#1=|v_t1Thread1of1ForFork0_enqueue_#t~nondet43#1_25|, t1Thread1of1ForFork0_enqueue_~q#1.offset=|v_t1Thread1of1ForFork0_enqueue_~q#1.offset_137|, t1Thread1of1ForFork0_enqueue_~q#1.base=|v_t1Thread1of1ForFork0_enqueue_~q#1.base_137|} AuxVars[] AssignedVars[#race, t1Thread1of1ForFork0_enqueue_#t~nondet43#1][450], [451#true, 283#L1054-6true, 492#true, Black: 455#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 456#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 454#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 453#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), 480#true, 448#(= 0 |t1Thread1of1ForFork0_~i~0#1|), Black: 470#(= (select (select |#race| |t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |t1Thread1of1ForFork0_enqueue_~q#1.offset| 84)) 0), 468#true, Black: 471#(and (= (select (select |#race| |t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |t1Thread1of1ForFork0_enqueue_~q#1.offset| 84)) 0) (= (select (select |#race| |t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |t1Thread1of1ForFork0_enqueue_~q#1.offset| 85)) 0)), Black: 472#(and (= (select (select |#race| |t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |t1Thread1of1ForFork0_enqueue_~q#1.offset| 86)) 0) (= (select (select |#race| |t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |t1Thread1of1ForFork0_enqueue_~q#1.offset| 84)) 0) (= (select (select |#race| |t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |t1Thread1of1ForFork0_enqueue_~q#1.offset| 85)) 0)), Black: 473#(and (= (select (select |#race| |t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |t1Thread1of1ForFork0_enqueue_~q#1.offset| 86)) 0) (= (select (select |#race| |t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |t1Thread1of1ForFork0_enqueue_~q#1.offset| 87)) 0) (= (select (select |#race| |t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |t1Thread1of1ForFork0_enqueue_~q#1.offset| 84)) 0) (= (select (select |#race| |t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |t1Thread1of1ForFork0_enqueue_~q#1.offset| 85)) 0)), 162#L960-6true, Black: 485#(and (= (select (select |#race| |t2Thread1of1ForFork1_empty_~q#1.base|) (+ |t2Thread1of1ForFork1_empty_~q#1.offset| 81)) 0) (= (select (select |#race| |t2Thread1of1ForFork1_empty_~q#1.base|) (+ |t2Thread1of1ForFork1_empty_~q#1.offset| 82)) 0) (= (select (select |#race| |t2Thread1of1ForFork1_empty_~q#1.base|) (+ |t2Thread1of1ForFork1_empty_~q#1.offset| 80)) 0) (= (select (select |#race| |t2Thread1of1ForFork1_empty_~q#1.base|) (+ |t2Thread1of1ForFork1_empty_~q#1.offset| 83)) 0)), Black: 482#(= (select (select |#race| |t2Thread1of1ForFork1_empty_~q#1.base|) (+ |t2Thread1of1ForFork1_empty_~q#1.offset| 80)) 0), Black: 483#(and (= (select (select |#race| |t2Thread1of1ForFork1_empty_~q#1.base|) (+ |t2Thread1of1ForFork1_empty_~q#1.offset| 81)) 0) (= (select (select |#race| |t2Thread1of1ForFork1_empty_~q#1.base|) (+ |t2Thread1of1ForFork1_empty_~q#1.offset| 80)) 0)), 465#(= |t2Thread1of1ForFork1_~i~1#1| 0), t2Thread1of1ForFork1InUse, Black: 484#(and (= (select (select |#race| |t2Thread1of1ForFork1_empty_~q#1.base|) (+ |t2Thread1of1ForFork1_empty_~q#1.offset| 81)) 0) (= (select (select |#race| |t2Thread1of1ForFork1_empty_~q#1.base|) (+ |t2Thread1of1ForFork1_empty_~q#1.offset| 82)) 0) (= (select (select |#race| |t2Thread1of1ForFork1_empty_~q#1.base|) (+ |t2Thread1of1ForFork1_empty_~q#1.offset| 80)) 0)), Black: 434#true, 431#true, 413#L981-10true, Black: 440#true]) [2023-08-29 09:19:43,111 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is not cut-off event [2023-08-29 09:19:43,111 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is not cut-off event [2023-08-29 09:19:43,112 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is not cut-off event [2023-08-29 09:19:43,112 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is not cut-off event