./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.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-ext/40_barrier_vf.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 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 --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 09:36:48,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:36:48,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:36:48,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:36:48,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:36:48,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:36:48,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:36:48,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:36:48,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:36:48,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:36:48,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:36:48,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:36:48,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:36:48,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:36:48,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:36:48,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:36:48,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:36:48,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:36:48,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:36:48,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:36:48,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:36:48,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:36:48,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:36:48,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:36:48,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:36:48,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:36:48,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:36:48,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:36:48,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:36:48,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:36:48,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:36:48,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:36:48,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:36:48,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:36:48,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:36:48,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:36:48,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:36:48,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:36:48,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:36:48,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:36:48,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:36:48,779 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:36:48,800 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:36:48,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:36:48,801 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:36:48,801 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:36:48,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:36:48,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:36:48,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:36:48,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:36:48,803 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:36:48,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:36:48,804 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:36:48,804 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:36:48,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:36:48,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:36:48,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:36:48,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:36:48,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:36:48,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:36:48,806 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:36:48,806 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:36:48,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:36:48,806 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:36:48,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:36:48,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:36:48,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:36:48,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:36:48,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:36:48,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:36:48,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:36:48,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:36:48,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:36:48,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:36:48,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:36:48,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:36:48,809 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:36:48,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:36:48,810 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:36:48,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 09:36:49,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:36:49,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:36:49,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:36:49,106 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:36:49,106 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:36:49,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2023-08-29 09:36:50,304 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:36:50,549 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:36:50,550 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2023-08-29 09:36:50,562 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b5c510b8/5db25433f02e4b45906aabe327c8551c/FLAG47b510847 [2023-08-29 09:36:50,579 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b5c510b8/5db25433f02e4b45906aabe327c8551c [2023-08-29 09:36:50,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:36:50,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:36:50,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:36:50,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:36:50,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:36:50,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:50,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ceafdde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50, skipping insertion in model container [2023-08-29 09:36:50,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:50,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:36:50,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:36:50,759 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 09:36:50,872 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-ext/40_barrier_vf.i[31163,31176] [2023-08-29 09:36:50,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:36:50,886 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:36:50,899 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 09:36:50,922 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-ext/40_barrier_vf.i[31163,31176] [2023-08-29 09:36:50,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:36:50,966 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:36:50,966 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:36:50,967 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:36:50,972 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:36:50,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50 WrapperNode [2023-08-29 09:36:50,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:36:50,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:36:50,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:36:50,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:36:50,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:51,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:51,039 INFO L138 Inliner]: procedures = 174, calls = 25, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 124 [2023-08-29 09:36:51,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:36:51,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:36:51,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:36:51,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:36:51,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:51,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:51,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:51,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:51,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:51,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:51,083 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:51,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:51,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:36:51,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:36:51,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:36:51,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:36:51,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50" (1/1) ... [2023-08-29 09:36:51,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:36:51,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:36:51,126 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 09:36:51,157 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 09:36:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-29 09:36:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-29 09:36:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:36:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 09:36:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:36:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:36:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:36:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:36:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 09:36:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:36:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:36:51,172 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 09:36:51,282 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:36:51,284 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:36:51,488 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:36:51,719 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:36:51,720 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 09:36:51,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:36:51 BoogieIcfgContainer [2023-08-29 09:36:51,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:36:51,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:36:51,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:36:51,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:36:51,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:36:50" (1/3) ... [2023-08-29 09:36:51,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f2a915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:36:51, skipping insertion in model container [2023-08-29 09:36:51,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:36:50" (2/3) ... [2023-08-29 09:36:51,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f2a915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:36:51, skipping insertion in model container [2023-08-29 09:36:51,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:36:51" (3/3) ... [2023-08-29 09:36:51,729 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2023-08-29 09:36:51,735 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:36:51,743 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:36:51,744 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-08-29 09:36:51,744 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:36:51,823 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:36:51,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 75 transitions, 155 flow [2023-08-29 09:36:51,912 INFO L130 PetriNetUnfolder]: 4/85 cut-off events. [2023-08-29 09:36:51,921 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:36:51,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 85 events. 4/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 111 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2023-08-29 09:36:51,928 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 75 transitions, 155 flow [2023-08-29 09:36:51,932 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 75 transitions, 155 flow [2023-08-29 09:36:51,935 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:36:51,948 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 75 transitions, 155 flow [2023-08-29 09:36:51,955 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 75 transitions, 155 flow [2023-08-29 09:36:51,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 75 transitions, 155 flow [2023-08-29 09:36:51,993 INFO L130 PetriNetUnfolder]: 4/85 cut-off events. [2023-08-29 09:36:51,994 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:36:51,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 85 events. 4/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 111 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2023-08-29 09:36:51,998 INFO L119 LiptonReduction]: Number of co-enabled transitions 1248 [2023-08-29 09:36:54,562 INFO L134 LiptonReduction]: Checked pairs total: 1392 [2023-08-29 09:36:54,562 INFO L136 LiptonReduction]: Total number of compositions: 99 [2023-08-29 09:36:54,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:36:54,592 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;@e5d411f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:36:54,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-08-29 09:36:54,598 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2023-08-29 09:36:54,599 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:36:54,599 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:36:54,600 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 09:36:54,601 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-29 09:36:54,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:36:54,606 INFO L85 PathProgramCache]: Analyzing trace with hash 15532938, now seen corresponding path program 1 times [2023-08-29 09:36:54,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:36:54,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202022450] [2023-08-29 09:36:54,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:36:54,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:36:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:36:54,750 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 09:36:54,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:36:54,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202022450] [2023-08-29 09:36:54,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202022450] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:36:54,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:36:54,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:36:54,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357005446] [2023-08-29 09:36:54,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:36:54,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:36:54,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:36:54,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:36:54,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:36:54,787 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 174 [2023-08-29 09:36:54,789 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 22 transitions, 49 flow. Second operand has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 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 09:36:54,789 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:36:54,789 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 174 [2023-08-29 09:36:54,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:36:54,809 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-29 09:36:54,810 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:36:54,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17 conditions, 6 events. 0/6 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 3/9 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2023-08-29 09:36:54,811 INFO L137 encePairwiseOnDemand]: 157/174 looper letters, 4 selfloop transitions, 0 changer transitions 0/5 dead transitions. [2023-08-29 09:36:54,811 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 9 places, 5 transitions, 23 flow [2023-08-29 09:36:54,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:36:54,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:36:54,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 123 transitions. [2023-08-29 09:36:54,822 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35344827586206895 [2023-08-29 09:36:54,823 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 123 transitions. [2023-08-29 09:36:54,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 123 transitions. [2023-08-29 09:36:54,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:36:54,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 123 transitions. [2023-08-29 09:36:54,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 61.5) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 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 09:36:54,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 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 09:36:54,832 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 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 09:36:54,834 INFO L175 Difference]: Start difference. First operand has 25 places, 22 transitions, 49 flow. Second operand 2 states and 123 transitions. [2023-08-29 09:36:54,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 9 places, 5 transitions, 23 flow [2023-08-29 09:36:54,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 9 places, 5 transitions, 23 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:36:54,837 INFO L231 Difference]: Finished difference. Result has 9 places, 5 transitions, 15 flow [2023-08-29 09:36:54,838 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=15, PETRI_DIFFERENCE_MINUEND_PLACES=8, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=15, PETRI_PLACES=9, PETRI_TRANSITIONS=5} [2023-08-29 09:36:54,841 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, -16 predicate places. [2023-08-29 09:36:54,841 INFO L495 AbstractCegarLoop]: Abstraction has has 9 places, 5 transitions, 15 flow [2023-08-29 09:36:54,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 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 09:36:54,842 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:36:54,842 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-08-29 09:36:54,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 09:36:54,843 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-29 09:36:54,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:36:54,843 INFO L85 PathProgramCache]: Analyzing trace with hash 2042225949, now seen corresponding path program 1 times [2023-08-29 09:36:54,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:36:54,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829991478] [2023-08-29 09:36:54,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:36:54,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:36:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:36:54,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:36:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:36:54,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:36:54,904 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:36:54,905 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2023-08-29 09:36:54,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2023-08-29 09:36:54,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2023-08-29 09:36:54,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2023-08-29 09:36:54,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2023-08-29 09:36:54,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2023-08-29 09:36:54,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2023-08-29 09:36:54,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2023-08-29 09:36:54,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2023-08-29 09:36:54,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2023-08-29 09:36:54,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2023-08-29 09:36:54,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2023-08-29 09:36:54,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2023-08-29 09:36:54,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2023-08-29 09:36:54,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2023-08-29 09:36:54,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2023-08-29 09:36:54,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2023-08-29 09:36:54,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2023-08-29 09:36:54,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2023-08-29 09:36:54,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2023-08-29 09:36:54,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2023-08-29 09:36:54,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2023-08-29 09:36:54,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2023-08-29 09:36:54,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2023-08-29 09:36:54,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2023-08-29 09:36:54,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2023-08-29 09:36:54,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2023-08-29 09:36:54,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2023-08-29 09:36:54,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2023-08-29 09:36:54,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2023-08-29 09:36:54,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2023-08-29 09:36:54,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 09:36:54,914 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-29 09:36:54,916 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:36:54,916 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-08-29 09:36:54,937 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:36:54,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 124 transitions, 260 flow [2023-08-29 09:36:54,989 INFO L130 PetriNetUnfolder]: 7/146 cut-off events. [2023-08-29 09:36:54,989 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:36:54,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 146 events. 7/146 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 347 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 108. Up to 6 conditions per place. [2023-08-29 09:36:54,994 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 124 transitions, 260 flow [2023-08-29 09:36:54,997 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 124 transitions, 260 flow [2023-08-29 09:36:54,997 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:36:54,997 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 124 transitions, 260 flow [2023-08-29 09:36:54,997 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 124 transitions, 260 flow [2023-08-29 09:36:54,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 124 transitions, 260 flow [2023-08-29 09:36:55,037 INFO L130 PetriNetUnfolder]: 7/146 cut-off events. [2023-08-29 09:36:55,037 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:36:55,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 146 events. 7/146 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 347 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 108. Up to 6 conditions per place. [2023-08-29 09:36:55,042 INFO L119 LiptonReduction]: Number of co-enabled transitions 7200 [2023-08-29 09:36:56,044 INFO L134 LiptonReduction]: Checked pairs total: 30209 [2023-08-29 09:36:56,044 INFO L136 LiptonReduction]: Total number of compositions: 68 [2023-08-29 09:36:56,046 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:36:56,046 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;@e5d411f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:36:56,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2023-08-29 09:36:56,048 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-29 09:36:56,048 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:36:56,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:36:56,049 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 09:36:56,049 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-08-29 09:36:56,049 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:36:56,049 INFO L85 PathProgramCache]: Analyzing trace with hash 23637075, now seen corresponding path program 1 times [2023-08-29 09:36:56,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:36:56,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300668252] [2023-08-29 09:36:56,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:36:56,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:36:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:36:56,076 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 09:36:56,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:36:56,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300668252] [2023-08-29 09:36:56,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300668252] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:36:56,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:36:56,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:36:56,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230313064] [2023-08-29 09:36:56,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:36:56,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:36:56,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:36:56,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:36:56,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:36:56,079 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 192 [2023-08-29 09:36:56,080 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 78 transitions, 168 flow. Second operand has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 0 states have call successors, (0), 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 09:36:56,080 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:36:56,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 192 [2023-08-29 09:36:56,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:36:56,219 INFO L130 PetriNetUnfolder]: 386/886 cut-off events. [2023-08-29 09:36:56,219 INFO L131 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2023-08-29 09:36:56,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1585 conditions, 886 events. 386/886 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5365 event pairs, 340 based on Foata normal form. 46/841 useless extension candidates. Maximal degree in co-relation 1006. Up to 653 conditions per place. [2023-08-29 09:36:56,226 INFO L137 encePairwiseOnDemand]: 167/192 looper letters, 26 selfloop transitions, 0 changer transitions 0/53 dead transitions. [2023-08-29 09:36:56,226 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 53 transitions, 170 flow [2023-08-29 09:36:56,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:36:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:36:56,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 207 transitions. [2023-08-29 09:36:56,228 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5390625 [2023-08-29 09:36:56,228 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 207 transitions. [2023-08-29 09:36:56,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 207 transitions. [2023-08-29 09:36:56,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:36:56,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 207 transitions. [2023-08-29 09:36:56,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 103.5) internal successors, (207), 2 states have internal predecessors, (207), 0 states have call successors, (0), 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 09:36:56,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 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 09:36:56,232 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 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 09:36:56,232 INFO L175 Difference]: Start difference. First operand has 81 places, 78 transitions, 168 flow. Second operand 2 states and 207 transitions. [2023-08-29 09:36:56,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 53 transitions, 170 flow [2023-08-29 09:36:56,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 53 transitions, 168 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-08-29 09:36:56,234 INFO L231 Difference]: Finished difference. Result has 57 places, 53 transitions, 116 flow [2023-08-29 09:36:56,234 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=116, PETRI_PLACES=57, PETRI_TRANSITIONS=53} [2023-08-29 09:36:56,235 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -24 predicate places. [2023-08-29 09:36:56,235 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 53 transitions, 116 flow [2023-08-29 09:36:56,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 0 states have call successors, (0), 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 09:36:56,236 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:36:56,236 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 09:36:56,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 09:36:56,236 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-08-29 09:36:56,237 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:36:56,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1240414518, now seen corresponding path program 1 times [2023-08-29 09:36:56,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:36:56,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911153306] [2023-08-29 09:36:56,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:36:56,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:36:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:36:56,283 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 09:36:56,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:36:56,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911153306] [2023-08-29 09:36:56,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911153306] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:36:56,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:36:56,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:36:56,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689501805] [2023-08-29 09:36:56,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:36:56,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:36:56,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:36:56,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:36:56,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:36:56,316 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 192 [2023-08-29 09:36:56,319 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 53 transitions, 116 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 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 09:36:56,319 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:36:56,319 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 192 [2023-08-29 09:36:56,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:36:56,556 INFO L130 PetriNetUnfolder]: 1038/2117 cut-off events. [2023-08-29 09:36:56,556 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2023-08-29 09:36:56,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3998 conditions, 2117 events. 1038/2117 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 14452 event pairs, 361 based on Foata normal form. 0/2020 useless extension candidates. Maximal degree in co-relation 3993. Up to 1203 conditions per place. [2023-08-29 09:36:56,569 INFO L137 encePairwiseOnDemand]: 176/192 looper letters, 60 selfloop transitions, 12 changer transitions 0/86 dead transitions. [2023-08-29 09:36:56,569 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 86 transitions, 331 flow [2023-08-29 09:36:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:36:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:36:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 262 transitions. [2023-08-29 09:36:56,571 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4548611111111111 [2023-08-29 09:36:56,571 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 262 transitions. [2023-08-29 09:36:56,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 262 transitions. [2023-08-29 09:36:56,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:36:56,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 262 transitions. [2023-08-29 09:36:56,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 09:36:56,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:36:56,575 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:36:56,575 INFO L175 Difference]: Start difference. First operand has 57 places, 53 transitions, 116 flow. Second operand 3 states and 262 transitions. [2023-08-29 09:36:56,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 86 transitions, 331 flow [2023-08-29 09:36:56,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 86 transitions, 331 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:36:56,578 INFO L231 Difference]: Finished difference. Result has 61 places, 65 transitions, 220 flow [2023-08-29 09:36:56,578 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=61, PETRI_TRANSITIONS=65} [2023-08-29 09:36:56,579 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -20 predicate places. [2023-08-29 09:36:56,579 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 65 transitions, 220 flow [2023-08-29 09:36:56,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 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 09:36:56,579 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:36:56,580 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:36:56,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 09:36:56,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-08-29 09:36:56,580 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:36:56,581 INFO L85 PathProgramCache]: Analyzing trace with hash -505829355, now seen corresponding path program 1 times [2023-08-29 09:36:56,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:36:56,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164703295] [2023-08-29 09:36:56,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:36:56,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:36:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:36:56,616 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 09:36:56,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:36:56,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164703295] [2023-08-29 09:36:56,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164703295] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:36:56,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:36:56,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:36:56,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106021063] [2023-08-29 09:36:56,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:36:56,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:36:56,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:36:56,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:36:56,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:36:56,648 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 192 [2023-08-29 09:36:56,648 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 65 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 09:36:56,649 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:36:56,649 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 192 [2023-08-29 09:36:56,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:36:56,901 INFO L130 PetriNetUnfolder]: 983/2075 cut-off events. [2023-08-29 09:36:56,902 INFO L131 PetriNetUnfolder]: For 625/649 co-relation queries the response was YES. [2023-08-29 09:36:56,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4618 conditions, 2075 events. 983/2075 cut-off events. For 625/649 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 14510 event pairs, 655 based on Foata normal form. 6/1941 useless extension candidates. Maximal degree in co-relation 4611. Up to 1466 conditions per place. [2023-08-29 09:36:56,916 INFO L137 encePairwiseOnDemand]: 184/192 looper letters, 49 selfloop transitions, 11 changer transitions 0/85 dead transitions. [2023-08-29 09:36:56,916 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 85 transitions, 411 flow [2023-08-29 09:36:56,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:36:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:36:56,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2023-08-29 09:36:56,919 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4253472222222222 [2023-08-29 09:36:56,919 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2023-08-29 09:36:56,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2023-08-29 09:36:56,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:36:56,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2023-08-29 09:36:56,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 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 09:36:56,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:36:56,924 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:36:56,924 INFO L175 Difference]: Start difference. First operand has 61 places, 65 transitions, 220 flow. Second operand 3 states and 245 transitions. [2023-08-29 09:36:56,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 85 transitions, 411 flow [2023-08-29 09:36:56,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 85 transitions, 377 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:36:56,932 INFO L231 Difference]: Finished difference. Result has 63 places, 74 transitions, 294 flow [2023-08-29 09:36:56,933 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=294, PETRI_PLACES=63, PETRI_TRANSITIONS=74} [2023-08-29 09:36:56,934 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -18 predicate places. [2023-08-29 09:36:56,934 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 74 transitions, 294 flow [2023-08-29 09:36:56,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 09:36:56,936 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:36:56,936 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-08-29 09:36:56,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 09:36:56,936 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-08-29 09:36:56,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:36:56,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1108002069, now seen corresponding path program 1 times [2023-08-29 09:36:56,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:36:56,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032540127] [2023-08-29 09:36:56,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:36:56,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:36:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:36:56,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:36:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:36:56,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:36:56,996 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:36:56,997 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 46 remaining) [2023-08-29 09:36:56,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2023-08-29 09:36:56,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2023-08-29 09:36:56,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2023-08-29 09:36:56,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2023-08-29 09:36:56,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2023-08-29 09:36:56,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2023-08-29 09:36:56,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2023-08-29 09:36:56,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2023-08-29 09:36:56,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2023-08-29 09:36:56,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2023-08-29 09:36:57,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2023-08-29 09:36:57,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2023-08-29 09:36:57,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2023-08-29 09:36:57,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2023-08-29 09:36:57,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2023-08-29 09:36:57,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2023-08-29 09:36:57,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2023-08-29 09:36:57,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2023-08-29 09:36:57,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2023-08-29 09:36:57,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2023-08-29 09:36:57,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2023-08-29 09:36:57,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2023-08-29 09:36:57,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2023-08-29 09:36:57,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2023-08-29 09:36:57,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2023-08-29 09:36:57,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2023-08-29 09:36:57,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2023-08-29 09:36:57,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2023-08-29 09:36:57,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2023-08-29 09:36:57,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2023-08-29 09:36:57,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2023-08-29 09:36:57,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2023-08-29 09:36:57,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2023-08-29 09:36:57,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2023-08-29 09:36:57,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2023-08-29 09:36:57,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2023-08-29 09:36:57,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2023-08-29 09:36:57,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2023-08-29 09:36:57,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2023-08-29 09:36:57,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2023-08-29 09:36:57,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2023-08-29 09:36:57,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2023-08-29 09:36:57,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2023-08-29 09:36:57,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2023-08-29 09:36:57,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2023-08-29 09:36:57,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 09:36:57,013 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 09:36:57,014 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:36:57,014 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-08-29 09:36:57,073 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:36:57,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 173 places, 173 transitions, 367 flow [2023-08-29 09:36:57,096 INFO L130 PetriNetUnfolder]: 10/207 cut-off events. [2023-08-29 09:36:57,097 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 09:36:57,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 207 events. 10/207 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 642 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 156. Up to 8 conditions per place. [2023-08-29 09:36:57,099 INFO L82 GeneralOperation]: Start removeDead. Operand has 173 places, 173 transitions, 367 flow [2023-08-29 09:36:57,102 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 173 places, 173 transitions, 367 flow [2023-08-29 09:36:57,102 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:36:57,102 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 173 transitions, 367 flow [2023-08-29 09:36:57,102 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 173 transitions, 367 flow [2023-08-29 09:36:57,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 173 places, 173 transitions, 367 flow [2023-08-29 09:36:57,122 INFO L130 PetriNetUnfolder]: 10/207 cut-off events. [2023-08-29 09:36:57,122 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 09:36:57,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 207 events. 10/207 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 642 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 156. Up to 8 conditions per place. [2023-08-29 09:36:57,133 INFO L119 LiptonReduction]: Number of co-enabled transitions 17856 [2023-08-29 09:36:58,248 INFO L134 LiptonReduction]: Checked pairs total: 94851 [2023-08-29 09:36:58,248 INFO L136 LiptonReduction]: Total number of compositions: 93 [2023-08-29 09:36:58,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:36:58,250 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;@e5d411f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:36:58,250 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2023-08-29 09:36:58,252 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-29 09:36:58,252 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:36:58,252 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:36:58,252 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 09:36:58,253 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-29 09:36:58,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:36:58,253 INFO L85 PathProgramCache]: Analyzing trace with hash 33326478, now seen corresponding path program 1 times [2023-08-29 09:36:58,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:36:58,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29821216] [2023-08-29 09:36:58,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:36:58,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:36:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:36:58,267 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 09:36:58,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:36:58,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29821216] [2023-08-29 09:36:58,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29821216] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:36:58,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:36:58,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:36:58,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968257782] [2023-08-29 09:36:58,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:36:58,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:36:58,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:36:58,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:36:58,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:36:58,270 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 266 [2023-08-29 09:36:58,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 114 transitions, 249 flow. Second operand has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 0 states have call successors, (0), 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 09:36:58,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:36:58,270 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 266 [2023-08-29 09:36:58,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:36:59,339 INFO L130 PetriNetUnfolder]: 7162/12146 cut-off events. [2023-08-29 09:36:59,339 INFO L131 PetriNetUnfolder]: For 784/784 co-relation queries the response was YES. [2023-08-29 09:36:59,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22796 conditions, 12146 events. 7162/12146 cut-off events. For 784/784 co-relation queries the response was YES. Maximal size of possible extension queue 502. Compared 92317 event pairs, 6390 based on Foata normal form. 772/12001 useless extension candidates. Maximal degree in co-relation 12035. Up to 10091 conditions per place. [2023-08-29 09:36:59,435 INFO L137 encePairwiseOnDemand]: 229/266 looper letters, 38 selfloop transitions, 0 changer transitions 0/77 dead transitions. [2023-08-29 09:36:59,435 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 77 transitions, 251 flow [2023-08-29 09:36:59,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:36:59,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:36:59,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 285 transitions. [2023-08-29 09:36:59,437 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5357142857142857 [2023-08-29 09:36:59,437 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 285 transitions. [2023-08-29 09:36:59,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 285 transitions. [2023-08-29 09:36:59,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:36:59,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 285 transitions. [2023-08-29 09:36:59,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 142.5) internal successors, (285), 2 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:36:59,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 0 states have call successors, (0), 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 09:36:59,440 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 0 states have call successors, (0), 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 09:36:59,440 INFO L175 Difference]: Start difference. First operand has 118 places, 114 transitions, 249 flow. Second operand 2 states and 285 transitions. [2023-08-29 09:36:59,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 77 transitions, 251 flow [2023-08-29 09:36:59,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 77 transitions, 245 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-08-29 09:36:59,443 INFO L231 Difference]: Finished difference. Result has 82 places, 77 transitions, 169 flow [2023-08-29 09:36:59,443 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=169, PETRI_PLACES=82, PETRI_TRANSITIONS=77} [2023-08-29 09:36:59,444 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -36 predicate places. [2023-08-29 09:36:59,444 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 77 transitions, 169 flow [2023-08-29 09:36:59,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 0 states have call successors, (0), 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 09:36:59,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:36:59,445 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 09:36:59,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 09:36:59,445 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-29 09:36:59,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:36:59,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1962001038, now seen corresponding path program 1 times [2023-08-29 09:36:59,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:36:59,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950751588] [2023-08-29 09:36:59,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:36:59,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:36:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:36:59,470 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 09:36:59,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:36:59,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950751588] [2023-08-29 09:36:59,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950751588] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:36:59,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:36:59,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:36:59,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313319102] [2023-08-29 09:36:59,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:36:59,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:36:59,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:36:59,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:36:59,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:36:59,509 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 266 [2023-08-29 09:36:59,510 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 77 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 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 09:36:59,510 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:36:59,510 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 266 [2023-08-29 09:36:59,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:37:02,887 INFO L130 PetriNetUnfolder]: 31740/51529 cut-off events. [2023-08-29 09:37:02,888 INFO L131 PetriNetUnfolder]: For 1045/1045 co-relation queries the response was YES. [2023-08-29 09:37:03,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98639 conditions, 51529 events. 31740/51529 cut-off events. For 1045/1045 co-relation queries the response was YES. Maximal size of possible extension queue 1812. Compared 441860 event pairs, 11945 based on Foata normal form. 0/48795 useless extension candidates. Maximal degree in co-relation 98633. Up to 28649 conditions per place. [2023-08-29 09:37:03,389 INFO L137 encePairwiseOnDemand]: 242/266 looper letters, 84 selfloop transitions, 18 changer transitions 0/124 dead transitions. [2023-08-29 09:37:03,390 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 124 transitions, 477 flow [2023-08-29 09:37:03,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:37:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:37:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2023-08-29 09:37:03,392 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4398496240601504 [2023-08-29 09:37:03,392 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2023-08-29 09:37:03,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2023-08-29 09:37:03,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:37:03,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2023-08-29 09:37:03,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:37:03,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 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 09:37:03,396 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 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 09:37:03,396 INFO L175 Difference]: Start difference. First operand has 82 places, 77 transitions, 169 flow. Second operand 3 states and 351 transitions. [2023-08-29 09:37:03,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 124 transitions, 477 flow [2023-08-29 09:37:03,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 124 transitions, 477 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:37:03,401 INFO L231 Difference]: Finished difference. Result has 86 places, 95 transitions, 325 flow [2023-08-29 09:37:03,401 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=325, PETRI_PLACES=86, PETRI_TRANSITIONS=95} [2023-08-29 09:37:03,403 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -32 predicate places. [2023-08-29 09:37:03,403 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 95 transitions, 325 flow [2023-08-29 09:37:03,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 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 09:37:03,403 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:37:03,403 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:37:03,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 09:37:03,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-29 09:37:03,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:37:03,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1270359646, now seen corresponding path program 1 times [2023-08-29 09:37:03,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:37:03,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753087753] [2023-08-29 09:37:03,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:37:03,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:37:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:37:03,446 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 09:37:03,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:37:03,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753087753] [2023-08-29 09:37:03,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753087753] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:37:03,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:37:03,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:37:03,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616838737] [2023-08-29 09:37:03,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:37:03,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:37:03,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:37:03,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:37:03,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:37:03,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 266 [2023-08-29 09:37:03,503 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 95 transitions, 325 flow. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 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 09:37:03,503 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:37:03,503 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 266 [2023-08-29 09:37:03,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:37:06,833 INFO L130 PetriNetUnfolder]: 30281/50305 cut-off events. [2023-08-29 09:37:06,834 INFO L131 PetriNetUnfolder]: For 20966/21671 co-relation queries the response was YES. [2023-08-29 09:37:06,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117260 conditions, 50305 events. 30281/50305 cut-off events. For 20966/21671 co-relation queries the response was YES. Maximal size of possible extension queue 1881. Compared 446748 event pairs, 18809 based on Foata normal form. 44/46571 useless extension candidates. Maximal degree in co-relation 117252. Up to 37496 conditions per place. [2023-08-29 09:37:07,176 INFO L137 encePairwiseOnDemand]: 254/266 looper letters, 74 selfloop transitions, 21 changer transitions 0/134 dead transitions. [2023-08-29 09:37:07,176 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 134 transitions, 657 flow [2023-08-29 09:37:07,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:37:07,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:37:07,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2023-08-29 09:37:07,178 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.424812030075188 [2023-08-29 09:37:07,178 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 339 transitions. [2023-08-29 09:37:07,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 339 transitions. [2023-08-29 09:37:07,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:37:07,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 339 transitions. [2023-08-29 09:37:07,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 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 09:37:07,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 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 09:37:07,182 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 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 09:37:07,183 INFO L175 Difference]: Start difference. First operand has 86 places, 95 transitions, 325 flow. Second operand 3 states and 339 transitions. [2023-08-29 09:37:07,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 134 transitions, 657 flow [2023-08-29 09:37:07,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 134 transitions, 603 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:37:07,244 INFO L231 Difference]: Finished difference. Result has 88 places, 114 transitions, 487 flow [2023-08-29 09:37:07,245 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=487, PETRI_PLACES=88, PETRI_TRANSITIONS=114} [2023-08-29 09:37:07,246 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -30 predicate places. [2023-08-29 09:37:07,247 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 114 transitions, 487 flow [2023-08-29 09:37:07,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 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 09:37:07,247 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:37:07,247 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:37:07,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 09:37:07,248 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-29 09:37:07,248 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:37:07,248 INFO L85 PathProgramCache]: Analyzing trace with hash 149747457, now seen corresponding path program 1 times [2023-08-29 09:37:07,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:37:07,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947182376] [2023-08-29 09:37:07,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:37:07,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:37:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:37:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 09:37:07,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:37:07,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947182376] [2023-08-29 09:37:07,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947182376] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:37:07,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:37:07,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:37:07,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39626088] [2023-08-29 09:37:07,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:37:07,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:37:07,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:37:07,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:37:07,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:37:07,329 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 266 [2023-08-29 09:37:07,330 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 114 transitions, 487 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 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 09:37:07,330 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:37:07,330 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 266 [2023-08-29 09:37:07,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:37:10,862 INFO L130 PetriNetUnfolder]: 34609/56374 cut-off events. [2023-08-29 09:37:10,862 INFO L131 PetriNetUnfolder]: For 41782/44019 co-relation queries the response was YES. [2023-08-29 09:37:11,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143010 conditions, 56374 events. 34609/56374 cut-off events. For 41782/44019 co-relation queries the response was YES. Maximal size of possible extension queue 2136. Compared 496187 event pairs, 19985 based on Foata normal form. 114/51239 useless extension candidates. Maximal degree in co-relation 143001. Up to 42562 conditions per place. [2023-08-29 09:37:11,293 INFO L137 encePairwiseOnDemand]: 254/266 looper letters, 92 selfloop transitions, 33 changer transitions 0/164 dead transitions. [2023-08-29 09:37:11,293 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 164 transitions, 976 flow [2023-08-29 09:37:11,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:37:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:37:11,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2023-08-29 09:37:11,295 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.424812030075188 [2023-08-29 09:37:11,295 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 339 transitions. [2023-08-29 09:37:11,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 339 transitions. [2023-08-29 09:37:11,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:37:11,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 339 transitions. [2023-08-29 09:37:11,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 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 09:37:11,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 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 09:37:11,298 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 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 09:37:11,299 INFO L175 Difference]: Start difference. First operand has 88 places, 114 transitions, 487 flow. Second operand 3 states and 339 transitions. [2023-08-29 09:37:11,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 164 transitions, 976 flow [2023-08-29 09:37:11,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 164 transitions, 908 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:37:11,468 INFO L231 Difference]: Finished difference. Result has 90 places, 143 transitions, 799 flow [2023-08-29 09:37:11,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=799, PETRI_PLACES=90, PETRI_TRANSITIONS=143} [2023-08-29 09:37:11,469 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -28 predicate places. [2023-08-29 09:37:11,469 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 143 transitions, 799 flow [2023-08-29 09:37:11,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 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 09:37:11,469 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:37:11,469 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2023-08-29 09:37:11,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 09:37:11,470 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-29 09:37:11,470 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:37:11,470 INFO L85 PathProgramCache]: Analyzing trace with hash -178468734, now seen corresponding path program 1 times [2023-08-29 09:37:11,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:37:11,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624062330] [2023-08-29 09:37:11,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:37:11,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:37:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:37:11,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:37:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:37:11,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:37:11,491 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:37:11,492 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 61 remaining) [2023-08-29 09:37:11,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2023-08-29 09:37:11,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2023-08-29 09:37:11,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2023-08-29 09:37:11,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2023-08-29 09:37:11,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2023-08-29 09:37:11,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2023-08-29 09:37:11,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2023-08-29 09:37:11,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2023-08-29 09:37:11,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2023-08-29 09:37:11,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2023-08-29 09:37:11,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2023-08-29 09:37:11,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2023-08-29 09:37:11,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2023-08-29 09:37:11,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2023-08-29 09:37:11,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2023-08-29 09:37:11,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2023-08-29 09:37:11,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2023-08-29 09:37:11,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2023-08-29 09:37:11,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2023-08-29 09:37:11,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2023-08-29 09:37:11,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2023-08-29 09:37:11,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2023-08-29 09:37:11,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2023-08-29 09:37:11,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2023-08-29 09:37:11,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2023-08-29 09:37:11,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2023-08-29 09:37:11,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2023-08-29 09:37:11,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2023-08-29 09:37:11,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2023-08-29 09:37:11,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2023-08-29 09:37:11,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2023-08-29 09:37:11,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2023-08-29 09:37:11,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2023-08-29 09:37:11,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2023-08-29 09:37:11,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2023-08-29 09:37:11,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2023-08-29 09:37:11,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2023-08-29 09:37:11,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2023-08-29 09:37:11,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2023-08-29 09:37:11,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2023-08-29 09:37:11,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2023-08-29 09:37:11,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2023-08-29 09:37:11,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2023-08-29 09:37:11,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2023-08-29 09:37:11,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2023-08-29 09:37:11,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2023-08-29 09:37:11,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2023-08-29 09:37:11,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2023-08-29 09:37:11,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2023-08-29 09:37:11,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2023-08-29 09:37:11,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2023-08-29 09:37:11,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2023-08-29 09:37:11,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2023-08-29 09:37:11,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2023-08-29 09:37:11,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2023-08-29 09:37:11,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2023-08-29 09:37:11,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2023-08-29 09:37:11,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2023-08-29 09:37:11,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2023-08-29 09:37:11,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2023-08-29 09:37:11,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 09:37:11,627 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-29 09:37:11,628 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:37:11,628 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-08-29 09:37:11,674 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:37:11,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 222 places, 222 transitions, 476 flow [2023-08-29 09:37:11,711 INFO L130 PetriNetUnfolder]: 13/268 cut-off events. [2023-08-29 09:37:11,711 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 09:37:11,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 268 events. 13/268 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 950 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 215. Up to 10 conditions per place. [2023-08-29 09:37:11,715 INFO L82 GeneralOperation]: Start removeDead. Operand has 222 places, 222 transitions, 476 flow [2023-08-29 09:37:11,718 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 222 places, 222 transitions, 476 flow [2023-08-29 09:37:11,719 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:37:11,719 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 222 transitions, 476 flow [2023-08-29 09:37:11,719 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 222 transitions, 476 flow [2023-08-29 09:37:11,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 222 places, 222 transitions, 476 flow [2023-08-29 09:37:11,748 INFO L130 PetriNetUnfolder]: 13/268 cut-off events. [2023-08-29 09:37:11,748 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 09:37:11,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 268 events. 13/268 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 950 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 215. Up to 10 conditions per place. [2023-08-29 09:37:11,765 INFO L119 LiptonReduction]: Number of co-enabled transitions 33216 [2023-08-29 09:37:12,982 INFO L134 LiptonReduction]: Checked pairs total: 183493 [2023-08-29 09:37:12,983 INFO L136 LiptonReduction]: Total number of compositions: 115 [2023-08-29 09:37:12,984 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:37:12,985 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;@e5d411f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:37:12,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2023-08-29 09:37:12,987 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-29 09:37:12,987 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:37:12,987 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:37:12,987 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 09:37:12,987 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-29 09:37:12,988 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:37:12,988 INFO L85 PathProgramCache]: Analyzing trace with hash 45210322, now seen corresponding path program 1 times [2023-08-29 09:37:12,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:37:12,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083429914] [2023-08-29 09:37:12,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:37:12,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:37:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:37:13,009 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 09:37:13,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:37:13,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083429914] [2023-08-29 09:37:13,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083429914] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:37:13,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:37:13,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:37:13,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89340284] [2023-08-29 09:37:13,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:37:13,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:37:13,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:37:13,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:37:13,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:37:13,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 337 [2023-08-29 09:37:13,013 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 150 transitions, 332 flow. Second operand has 2 states, 2 states have (on average 134.0) internal successors, (268), 2 states have internal predecessors, (268), 0 states have call successors, (0), 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 09:37:13,013 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:37:13,013 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 337 [2023-08-29 09:37:13,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:37:24,149 INFO L130 PetriNetUnfolder]: 110980/164314 cut-off events. [2023-08-29 09:37:24,149 INFO L131 PetriNetUnfolder]: For 14762/14762 co-relation queries the response was YES. [2023-08-29 09:37:24,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315196 conditions, 164314 events. 110980/164314 cut-off events. For 14762/14762 co-relation queries the response was YES. Maximal size of possible extension queue 4813. Compared 1404926 event pairs, 99560 based on Foata normal form. 11420/164622 useless extension candidates. Maximal degree in co-relation 40130. Up to 143191 conditions per place. [2023-08-29 09:37:25,335 INFO L137 encePairwiseOnDemand]: 288/337 looper letters, 50 selfloop transitions, 0 changer transitions 0/101 dead transitions. [2023-08-29 09:37:25,335 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 101 transitions, 334 flow [2023-08-29 09:37:25,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:37:25,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:37:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 363 transitions. [2023-08-29 09:37:25,336 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5385756676557863 [2023-08-29 09:37:25,336 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 363 transitions. [2023-08-29 09:37:25,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 363 transitions. [2023-08-29 09:37:25,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:37:25,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 363 transitions. [2023-08-29 09:37:25,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 181.5) internal successors, (363), 2 states have internal predecessors, (363), 0 states have call successors, (0), 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 09:37:25,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 0 states have call successors, (0), 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 09:37:25,339 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 0 states have call successors, (0), 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 09:37:25,339 INFO L175 Difference]: Start difference. First operand has 155 places, 150 transitions, 332 flow. Second operand 2 states and 363 transitions. [2023-08-29 09:37:25,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 101 transitions, 334 flow [2023-08-29 09:37:25,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 101 transitions, 322 flow, removed 6 selfloop flow, removed 0 redundant places. [2023-08-29 09:37:25,346 INFO L231 Difference]: Finished difference. Result has 107 places, 101 transitions, 222 flow [2023-08-29 09:37:25,347 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=222, PETRI_PLACES=107, PETRI_TRANSITIONS=101} [2023-08-29 09:37:25,347 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -48 predicate places. [2023-08-29 09:37:25,347 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 101 transitions, 222 flow [2023-08-29 09:37:25,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 134.0) internal successors, (268), 2 states have internal predecessors, (268), 0 states have call successors, (0), 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 09:37:25,348 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:37:25,348 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 09:37:25,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 09:37:25,348 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-29 09:37:25,349 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:37:25,349 INFO L85 PathProgramCache]: Analyzing trace with hash 497487733, now seen corresponding path program 1 times [2023-08-29 09:37:25,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:37:25,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95443260] [2023-08-29 09:37:25,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:37:25,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:37:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:37:25,387 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 09:37:25,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:37:25,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95443260] [2023-08-29 09:37:25,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95443260] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:37:25,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:37:25,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:37:25,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960213770] [2023-08-29 09:37:25,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:37:25,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:37:25,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:37:25,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:37:25,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:37:25,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 337 [2023-08-29 09:37:25,437 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 101 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 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 09:37:25,437 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:37:25,437 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 337 [2023-08-29 09:37:25,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:38:55,320 INFO L130 PetriNetUnfolder]: 800656/1164539 cut-off events. [2023-08-29 09:38:55,321 INFO L131 PetriNetUnfolder]: For 21219/21219 co-relation queries the response was YES. [2023-08-29 09:38:59,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2241462 conditions, 1164539 events. 800656/1164539 cut-off events. For 21219/21219 co-relation queries the response was YES. Maximal size of possible extension queue 29217. Compared 11354803 event pairs, 318465 based on Foata normal form. 0/1098945 useless extension candidates. Maximal degree in co-relation 2241455. Up to 630293 conditions per place. [2023-08-29 09:39:04,692 INFO L137 encePairwiseOnDemand]: 305/337 looper letters, 110 selfloop transitions, 24 changer transitions 0/163 dead transitions. [2023-08-29 09:39:04,692 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 163 transitions, 629 flow [2023-08-29 09:39:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:39:04,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:39:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2023-08-29 09:39:04,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.437190900098912 [2023-08-29 09:39:04,694 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 442 transitions. [2023-08-29 09:39:04,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 442 transitions. [2023-08-29 09:39:04,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:39:04,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 442 transitions. [2023-08-29 09:39:04,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 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 09:39:04,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 337.0) internal successors, (1348), 4 states have internal predecessors, (1348), 0 states have call successors, (0), 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 09:39:04,697 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 337.0) internal successors, (1348), 4 states have internal predecessors, (1348), 0 states have call successors, (0), 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 09:39:04,697 INFO L175 Difference]: Start difference. First operand has 107 places, 101 transitions, 222 flow. Second operand 3 states and 442 transitions. [2023-08-29 09:39:04,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 163 transitions, 629 flow [2023-08-29 09:39:04,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 163 transitions, 629 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:39:04,725 INFO L231 Difference]: Finished difference. Result has 111 places, 125 transitions, 430 flow [2023-08-29 09:39:04,726 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=430, PETRI_PLACES=111, PETRI_TRANSITIONS=125} [2023-08-29 09:39:04,726 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -44 predicate places. [2023-08-29 09:39:04,726 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 125 transitions, 430 flow [2023-08-29 09:39:04,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 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 09:39:04,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:39:04,727 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:39:04,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 09:39:04,727 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-29 09:39:04,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:39:04,728 INFO L85 PathProgramCache]: Analyzing trace with hash -834065415, now seen corresponding path program 1 times [2023-08-29 09:39:04,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:39:04,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766685351] [2023-08-29 09:39:04,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:39:04,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:39:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:39:04,747 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 09:39:04,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:39:04,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766685351] [2023-08-29 09:39:04,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766685351] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:39:04,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:39:04,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:39:04,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510012077] [2023-08-29 09:39:04,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:39:04,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:39:04,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:39:04,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:39:04,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:39:04,801 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 337 [2023-08-29 09:39:04,805 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 125 transitions, 430 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 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 09:39:04,805 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:39:04,805 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 337 [2023-08-29 09:39:04,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:39:18,058 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [8#L733-5true, 59#L719true, Black: 230#(= |#race~count~0| 0), 234#true, 10#L719-5true, 225#true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 228#true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:18,058 INFO L383 tUnfolder$Statistics]: this new event has 39 ancestors and is cut-off event [2023-08-29 09:39:18,058 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2023-08-29 09:39:18,058 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2023-08-29 09:39:18,058 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2023-08-29 09:39:24,370 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [59#L719true, Black: 230#(= |#race~count~0| 0), 234#true, 10#L719-5true, 225#true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, 19#L733-4true, thr1Thread2of4ForFork0InUse, 228#true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:24,370 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2023-08-29 09:39:24,370 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 09:39:24,371 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 09:39:24,371 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 09:39:28,491 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [8#L733-5true, 26#L720-1true, Black: 228#true, 234#true, 159#L724-11true, 225#true, 74#L719-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 82#L719-1true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:28,491 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,491 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,491 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,491 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,495 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1330] L719-7-->L720-1: Formula: (= |v_#race~count~0_233| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_233|, thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_15|} AuxVars[] AssignedVars[#race~count~0, thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1][92], [8#L733-5true, Black: 228#true, 234#true, 36#L724-11true, 225#true, 141#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, 11#L720-1true, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), 82#L719-1true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:28,495 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,495 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,495 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,495 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,504 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1348] L719-7-->L720-1: Formula: (= |v_#race~count~0_239| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_239|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_23|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][128], [30#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 8#L733-5true, Black: 228#true, 234#true, 36#L724-11true, 225#true, 183#L720-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 82#L719-1true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:28,505 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,505 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,505 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,505 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,553 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1348] L719-7-->L720-1: Formula: (= |v_#race~count~0_239| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_239|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_23|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][128], [8#L733-5true, 41#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 228#true, 36#L724-11true, 234#true, 225#true, 183#L720-1true, 74#L719-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:28,553 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,553 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,554 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:39:28,554 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:39:31,120 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1347] L719-2-->L719-4: Formula: (= v_~count~0_177 (+ |v_thr1Thread2of4ForFork0_Barrier2_#t~post6#1_13| 1)) InVars {thr1Thread2of4ForFork0_Barrier2_#t~post6#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~post6#1_13|} OutVars{thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_19|, ~count~0=v_~count~0_177, thr1Thread2of4ForFork0_Barrier2_#t~post6#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~post6#1_13|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1, ~count~0][23], [8#L733-5true, 16#L719-7true, Black: 228#true, 234#true, 36#L724-11true, 225#true, 141#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 138#L719-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:31,121 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2023-08-29 09:39:31,121 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:39:31,121 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:39:31,121 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:39:31,125 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1347] L719-2-->L719-4: Formula: (= v_~count~0_177 (+ |v_thr1Thread2of4ForFork0_Barrier2_#t~post6#1_13| 1)) InVars {thr1Thread2of4ForFork0_Barrier2_#t~post6#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~post6#1_13|} OutVars{thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_19|, ~count~0=v_~count~0_177, thr1Thread2of4ForFork0_Barrier2_#t~post6#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~post6#1_13|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1, ~count~0][23], [30#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 8#L733-5true, Black: 228#true, 36#L724-11true, 234#true, 225#true, 138#L719-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 58#L719-7true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:31,125 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2023-08-29 09:39:31,125 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:39:31,125 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:39:31,125 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:39:32,062 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1368] L719-2-->L719-4: Formula: (= (+ |v_thr1Thread3of4ForFork0_Barrier2_#t~post6#1_17| 1) v_~count~0_179) InVars {thr1Thread3of4ForFork0_Barrier2_#t~post6#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~post6#1_17|} OutVars{thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_23|, ~count~0=v_~count~0_179, thr1Thread3of4ForFork0_Barrier2_#t~post6#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~post6#1_17|} AuxVars[] AssignedVars[thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1, ~count~0][44], [8#L733-5true, 41#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 63#L719-4true, Black: 228#true, 36#L724-11true, 234#true, 225#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 58#L719-7true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:32,062 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2023-08-29 09:39:32,062 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:39:32,062 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:39:32,062 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:39:34,935 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [8#L733-5true, 26#L720-1true, Black: 230#(= |#race~count~0| 0), 234#true, 10#L719-5true, 225#true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 228#true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:34,936 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2023-08-29 09:39:34,936 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:39:34,936 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:39:34,936 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:39:37,322 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [26#L720-1true, Black: 228#true, 234#true, 159#L724-11true, 225#true, 74#L719-1true, thr1Thread1of4ForFork0InUse, 19#L733-4true, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), 82#L719-1true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:37,322 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,322 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,322 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,322 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,324 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1330] L719-7-->L720-1: Formula: (= |v_#race~count~0_233| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_233|, thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_15|} AuxVars[] AssignedVars[#race~count~0, thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1][92], [Black: 228#true, 36#L724-11true, 234#true, 225#true, 141#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, 11#L720-1true, thr1Thread2of4ForFork0InUse, 19#L733-4true, 82#L719-1true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:37,325 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,325 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,325 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,325 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,332 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1348] L719-7-->L720-1: Formula: (= |v_#race~count~0_239| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_239|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_23|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][128], [30#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 228#true, 234#true, 36#L724-11true, 225#true, 183#L720-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 19#L733-4true, 82#L719-1true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:37,333 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,333 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,333 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,333 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,372 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1348] L719-7-->L720-1: Formula: (= |v_#race~count~0_239| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_239|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_23|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][128], [41#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 228#true, 234#true, 36#L724-11true, 225#true, 183#L720-1true, 74#L719-1true, thr1Thread1of4ForFork0InUse, 19#L733-4true, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:37,372 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,372 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,373 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:39:37,373 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:39:40,253 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1347] L719-2-->L719-4: Formula: (= v_~count~0_177 (+ |v_thr1Thread2of4ForFork0_Barrier2_#t~post6#1_13| 1)) InVars {thr1Thread2of4ForFork0_Barrier2_#t~post6#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~post6#1_13|} OutVars{thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_19|, ~count~0=v_~count~0_177, thr1Thread2of4ForFork0_Barrier2_#t~post6#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~post6#1_13|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1, ~count~0][23], [16#L719-7true, Black: 228#true, 36#L724-11true, 234#true, 225#true, 141#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 138#L719-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 19#L733-4true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:40,253 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2023-08-29 09:39:40,253 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:39:40,253 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:39:40,253 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:39:40,256 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1347] L719-2-->L719-4: Formula: (= v_~count~0_177 (+ |v_thr1Thread2of4ForFork0_Barrier2_#t~post6#1_13| 1)) InVars {thr1Thread2of4ForFork0_Barrier2_#t~post6#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~post6#1_13|} OutVars{thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_19|, ~count~0=v_~count~0_177, thr1Thread2of4ForFork0_Barrier2_#t~post6#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~post6#1_13|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1, ~count~0][23], [30#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 228#true, 234#true, 36#L724-11true, 225#true, 138#L719-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 19#L733-4true, 58#L719-7true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:40,256 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2023-08-29 09:39:40,256 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:39:40,257 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:39:40,257 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:39:41,332 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1368] L719-2-->L719-4: Formula: (= (+ |v_thr1Thread3of4ForFork0_Barrier2_#t~post6#1_17| 1) v_~count~0_179) InVars {thr1Thread3of4ForFork0_Barrier2_#t~post6#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~post6#1_17|} OutVars{thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_23|, ~count~0=v_~count~0_179, thr1Thread3of4ForFork0_Barrier2_#t~post6#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~post6#1_17|} AuxVars[] AssignedVars[thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1, ~count~0][44], [41#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 63#L719-4true, Black: 228#true, 36#L724-11true, 234#true, 225#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 19#L733-4true, 58#L719-7true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:41,332 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2023-08-29 09:39:41,332 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:39:41,332 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:39:41,332 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:39:42,579 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1358] L722-->L722-2: Formula: (= |v_#race~count~0_245| |v_thr1Thread1of4ForFork0_Barrier2_#t~nondet9#1_15|) InVars {} OutVars{#race~count~0=|v_#race~count~0_245|, thr1Thread1of4ForFork0_Barrier2_#t~nondet9#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet9#1_15|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet9#1][52], [8#L733-5true, Black: 230#(= |#race~count~0| 0), 234#true, 225#true, 147#L722-2true, 74#L719-1true, 180#L724-10true, 7#L719-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 228#true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:42,580 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2023-08-29 09:39:42,580 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:39:42,580 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:39:42,580 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:39:44,456 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [26#L720-1true, Black: 230#(= |#race~count~0| 0), 234#true, 10#L719-5true, 225#true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, 19#L733-4true, thr1Thread2of4ForFork0InUse, 228#true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:44,456 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2023-08-29 09:39:44,456 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:39:44,456 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:39:44,456 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:39:46,590 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [8#L733-5true, Black: 230#(= |#race~count~0| 0), 234#true, 109#L721-5true, 10#L719-5true, 225#true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 228#true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:46,590 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2023-08-29 09:39:46,590 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:39:46,591 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:39:46,591 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:39:46,642 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [8#L733-5true, Black: 230#(= |#race~count~0| 0), 234#true, 10#L719-5true, 225#true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, 123#L724-1true, thr1Thread2of4ForFork0InUse, 228#true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:46,642 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2023-08-29 09:39:46,642 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:39:46,642 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:39:46,642 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:39:47,185 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [8#L733-5true, 26#L720-1true, Black: 228#true, 186#L720-2true, 234#true, 159#L724-11true, 225#true, 74#L719-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:47,185 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2023-08-29 09:39:47,186 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:47,186 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:47,186 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:47,351 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [8#L733-5true, 26#L720-1true, Black: 228#true, 234#true, 159#L724-11true, 214#L720-2true, 225#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), 82#L719-1true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:47,351 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2023-08-29 09:39:47,351 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:47,351 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:47,351 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:50,722 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [8#L733-5true, Black: 230#(= |#race~count~0| 0), 234#true, 10#L719-5true, 225#true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 228#true, thr1Thread3of4ForFork0InUse, 23#L724-5true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:50,722 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2023-08-29 09:39:50,722 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:50,722 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:50,722 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:51,256 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [8#L733-5true, 26#L720-1true, Black: 228#true, 186#L720-2true, 234#true, 159#L724-11true, 225#true, 74#L719-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:51,257 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2023-08-29 09:39:51,257 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:51,257 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:51,257 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:51,257 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:51,337 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [8#L733-5true, 26#L720-1true, Black: 228#true, 234#true, 159#L724-11true, 214#L720-2true, 225#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 82#L719-1true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:51,337 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2023-08-29 09:39:51,337 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:51,338 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:51,338 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:51,338 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:39:52,373 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1358] L722-->L722-2: Formula: (= |v_#race~count~0_245| |v_thr1Thread1of4ForFork0_Barrier2_#t~nondet9#1_15|) InVars {} OutVars{#race~count~0=|v_#race~count~0_245|, thr1Thread1of4ForFork0_Barrier2_#t~nondet9#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet9#1_15|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet9#1][52], [Black: 230#(= |#race~count~0| 0), 234#true, 225#true, 147#L722-2true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, 7#L719-1true, 19#L733-4true, thr1Thread2of4ForFork0InUse, 228#true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:52,373 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:39:52,373 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:52,373 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:52,374 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:54,140 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [30#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 8#L733-5true, Black: 230#(= |#race~count~0| 0), 53#L724-5true, 36#L724-11true, 234#true, 10#L719-5true, 225#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 228#true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:54,141 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:39:54,141 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:54,141 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:54,141 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:54,774 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [8#L733-5true, 73#L724-10true, Black: 230#(= |#race~count~0| 0), 234#true, 10#L719-5true, 225#true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 228#true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:54,774 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:39:54,775 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:54,775 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:54,775 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:55,323 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1294] L721-->L721-5: Formula: (= 1 v_~COND~0_21) InVars {} OutVars{thr1Thread2of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet8#1_5|, #race~COND~0=|v_#race~COND~0_34|, ~COND~0=v_~COND~0_21} AuxVars[] AssignedVars[#race~COND~0, thr1Thread2of4ForFork0_Barrier2_#t~nondet8#1, ~COND~0][120], [8#L733-5true, Black: 228#true, 149#L721-5true, 108#L719-7true, 159#L724-11true, 225#true, 74#L719-1true, 236#(= |thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1| |#race~count~0|), thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:55,323 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:39:55,323 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:55,323 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:55,323 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:55,324 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1297] L724-->L724-1: Formula: (and (= |v_thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1_7| (ite (= (let ((.cse0 (mod (mod v_~MTX~0_115 256) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) 1) 1 0)) (= v_~MTX~0_114 0) (= |v_thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1_7|) (not (= |v_thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1_7| 0))) InVars {~MTX~0=v_~MTX~0_115} OutVars{#race~MTX~0=|v_#race~MTX~0_145|, ~MTX~0=v_~MTX~0_114, thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1_7|, thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1_7|, thr1Thread2of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1=|v_thr1Thread2of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1_5|} AuxVars[] AssignedVars[~MTX~0, thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1, #race~MTX~0, thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1][119], [8#L733-5true, 122#L724-1true, Black: 228#true, 108#L719-7true, 159#L724-11true, 225#true, 74#L719-1true, 236#(= |thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1| |#race~count~0|), thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:55,324 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:39:55,324 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:55,324 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:55,324 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:39:56,543 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [Black: 230#(= |#race~count~0| 0), 234#true, 109#L721-5true, 10#L719-5true, 225#true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 19#L733-4true, thr1Thread3of4ForFork0InUse, 228#true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:56,544 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2023-08-29 09:39:56,544 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:39:56,544 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:39:56,544 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:39:56,584 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [Black: 230#(= |#race~count~0| 0), 234#true, 10#L719-5true, 225#true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, 123#L724-1true, thr1Thread2of4ForFork0InUse, 19#L733-4true, 228#true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:56,584 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2023-08-29 09:39:56,584 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:39:56,584 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:39:56,585 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:39:57,513 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [26#L720-1true, Black: 228#true, 186#L720-2true, 234#true, 159#L724-11true, 225#true, 74#L719-1true, thr1Thread1of4ForFork0InUse, 19#L733-4true, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:57,514 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2023-08-29 09:39:57,514 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:39:57,514 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:39:57,514 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:39:57,688 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [26#L720-1true, Black: 228#true, 234#true, 159#L724-11true, 214#L720-2true, 225#true, thr1Thread1of4ForFork0InUse, 19#L733-4true, thr1Thread2of4ForFork0InUse, 82#L719-1true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:57,689 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2023-08-29 09:39:57,689 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:39:57,689 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:39:57,689 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:39:58,255 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [30#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 8#L733-5true, Black: 230#(= |#race~count~0| 0), 234#true, 36#L724-11true, 10#L719-5true, 225#true, 180#L724-10true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 228#true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:39:58,255 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2023-08-29 09:39:58,255 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:39:58,255 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:39:58,255 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:40:00,504 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [30#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 230#(= |#race~count~0| 0), 53#L724-5true, 234#true, 36#L724-11true, 10#L719-5true, 225#true, thr1Thread1of4ForFork0InUse, 19#L733-4true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 228#true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:40:00,505 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2023-08-29 09:40:00,505 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:40:00,505 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:40:00,505 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:40:00,536 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [Black: 230#(= |#race~count~0| 0), 234#true, 10#L719-5true, 225#true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 19#L733-4true, 228#true, thr1Thread3of4ForFork0InUse, 23#L724-5true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:40:00,536 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2023-08-29 09:40:00,536 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:40:00,536 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:40:00,536 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:40:01,088 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [26#L720-1true, Black: 228#true, 186#L720-2true, 234#true, 159#L724-11true, 225#true, 74#L719-1true, thr1Thread1of4ForFork0InUse, 19#L733-4true, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:40:01,088 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2023-08-29 09:40:01,088 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:40:01,088 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:40:01,088 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:40:01,088 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:40:01,527 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [26#L720-1true, Black: 228#true, 234#true, 159#L724-11true, 214#L720-2true, 225#true, thr1Thread1of4ForFork0InUse, 19#L733-4true, thr1Thread2of4ForFork0InUse, 82#L719-1true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:40:01,528 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2023-08-29 09:40:01,528 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:40:01,528 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:40:01,528 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:40:01,528 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:40:02,161 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [30#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 230#(= |#race~count~0| 0), 234#true, 36#L724-11true, 10#L719-5true, 225#true, 180#L724-10true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 19#L733-4true, 228#true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:40:02,161 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2023-08-29 09:40:02,161 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:40:02,161 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:40:02,161 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:40:04,358 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1360] L719-3-->L719-5: Formula: (= |v_#race~count~0_247| |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|) InVars {} OutVars{#race~count~0=|v_#race~count~0_247|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_25|} AuxVars[] AssignedVars[#race~count~0, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1][90], [73#L724-10true, Black: 230#(= |#race~count~0| 0), 234#true, 10#L719-5true, 225#true, 74#L719-1true, 180#L724-10true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 19#L733-4true, 228#true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:40:04,358 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2023-08-29 09:40:04,358 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:40:04,358 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:40:04,358 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:40:04,923 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1294] L721-->L721-5: Formula: (= 1 v_~COND~0_21) InVars {} OutVars{thr1Thread2of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet8#1_5|, #race~COND~0=|v_#race~COND~0_34|, ~COND~0=v_~COND~0_21} AuxVars[] AssignedVars[#race~COND~0, thr1Thread2of4ForFork0_Barrier2_#t~nondet8#1, ~COND~0][120], [Black: 228#true, 149#L721-5true, 108#L719-7true, 159#L724-11true, 225#true, 74#L719-1true, 236#(= |thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1| |#race~count~0|), thr1Thread1of4ForFork0InUse, 19#L733-4true, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:40:04,924 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2023-08-29 09:40:04,924 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:40:04,924 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:40:04,924 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:40:04,924 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1297] L724-->L724-1: Formula: (and (= |v_thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1_7| (ite (= (let ((.cse0 (mod (mod v_~MTX~0_115 256) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) 1) 1 0)) (= v_~MTX~0_114 0) (= |v_thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1_7|) (not (= |v_thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1_7| 0))) InVars {~MTX~0=v_~MTX~0_115} OutVars{#race~MTX~0=|v_#race~MTX~0_145|, ~MTX~0=v_~MTX~0_114, thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1_7|, thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1_7|, thr1Thread2of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1=|v_thr1Thread2of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1_5|} AuxVars[] AssignedVars[~MTX~0, thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1, #race~MTX~0, thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1][119], [122#L724-1true, Black: 228#true, 108#L719-7true, 159#L724-11true, 225#true, 74#L719-1true, 236#(= |thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1| |#race~count~0|), thr1Thread1of4ForFork0InUse, 19#L733-4true, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:40:04,924 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2023-08-29 09:40:04,924 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:40:04,925 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:40:04,925 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:40:10,328 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [8#L733-5true, 26#L720-1true, Black: 228#true, 186#L720-2true, 234#true, 159#L724-11true, 214#L720-2true, 225#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:40:10,329 INFO L383 tUnfolder$Statistics]: this new event has 55 ancestors and is cut-off event [2023-08-29 09:40:10,329 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 09:40:10,329 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 09:40:10,329 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 09:40:13,828 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [8#L733-5true, 26#L720-1true, Black: 228#true, 186#L720-2true, 234#true, 159#L724-11true, 214#L720-2true, 225#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:40:13,828 INFO L383 tUnfolder$Statistics]: this new event has 55 ancestors and is cut-off event [2023-08-29 09:40:13,829 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 09:40:13,829 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 09:40:13,829 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 09:40:13,829 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 09:40:18,241 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [26#L720-1true, Black: 228#true, 186#L720-2true, 234#true, 159#L724-11true, 214#L720-2true, 225#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 19#L733-4true, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:40:18,241 INFO L383 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2023-08-29 09:40:18,241 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 09:40:18,241 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 09:40:18,241 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 09:40:20,953 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [26#L720-1true, Black: 228#true, 186#L720-2true, 234#true, 159#L724-11true, 214#L720-2true, 225#true, thr1Thread1of4ForFork0InUse, 19#L733-4true, thr1Thread2of4ForFork0InUse, 230#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:40:20,953 INFO L383 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2023-08-29 09:40:20,953 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 09:40:20,953 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 09:40:20,953 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 09:40:20,953 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 09:40:40,298 INFO L130 PetriNetUnfolder]: 768228/1146873 cut-off events. [2023-08-29 09:40:40,310 INFO L131 PetriNetUnfolder]: For 538964/558414 co-relation queries the response was YES. [2023-08-29 09:40:45,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2714432 conditions, 1146873 events. 768228/1146873 cut-off events. For 538964/558414 co-relation queries the response was YES. Maximal size of possible extension queue 31041. Compared 11812807 event pairs, 466113 based on Foata normal form. 960/1057991 useless extension candidates. Maximal degree in co-relation 2714423. Up to 859358 conditions per place. [2023-08-29 09:40:54,071 INFO L137 encePairwiseOnDemand]: 321/337 looper letters, 101 selfloop transitions, 29 changer transitions 0/182 dead transitions. [2023-08-29 09:40:54,071 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 182 transitions, 897 flow [2023-08-29 09:40:54,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:40:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:40:54,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2023-08-29 09:40:54,073 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43026706231454004 [2023-08-29 09:40:54,073 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 435 transitions. [2023-08-29 09:40:54,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 435 transitions. [2023-08-29 09:40:54,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:40:54,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 435 transitions. [2023-08-29 09:40:54,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 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 09:40:54,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 337.0) internal successors, (1348), 4 states have internal predecessors, (1348), 0 states have call successors, (0), 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 09:40:54,079 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 337.0) internal successors, (1348), 4 states have internal predecessors, (1348), 0 states have call successors, (0), 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 09:40:54,079 INFO L175 Difference]: Start difference. First operand has 111 places, 125 transitions, 430 flow. Second operand 3 states and 435 transitions. [2023-08-29 09:40:54,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 182 transitions, 897 flow [2023-08-29 09:40:56,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 182 transitions, 823 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:40:56,941 INFO L231 Difference]: Finished difference. Result has 113 places, 152 transitions, 660 flow [2023-08-29 09:40:56,942 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=660, PETRI_PLACES=113, PETRI_TRANSITIONS=152} [2023-08-29 09:40:56,943 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -42 predicate places. [2023-08-29 09:40:56,943 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 152 transitions, 660 flow [2023-08-29 09:40:56,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 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 09:40:56,943 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:40:56,944 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:40:56,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 09:40:56,944 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-29 09:40:56,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:40:56,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1157073438, now seen corresponding path program 1 times [2023-08-29 09:40:56,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:40:56,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008961028] [2023-08-29 09:40:56,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:40:56,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:40:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:40:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 09:40:57,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:40:57,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008961028] [2023-08-29 09:40:57,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008961028] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:40:57,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:40:57,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:40:57,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677995588] [2023-08-29 09:40:57,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:40:57,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:40:57,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:40:57,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:40:57,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:40:57,091 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 337 [2023-08-29 09:40:57,092 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 152 transitions, 660 flow. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 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 09:40:57,092 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:40:57,092 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 337 [2023-08-29 09:40:57,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:41:04,702 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1361] L719-7-->L720-1: Formula: (= |v_#race~count~0_249| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_249|, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1_17|} AuxVars[] AssignedVars[#race~count~0, thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1][59], [8#L733-5true, 26#L720-1true, 240#true, 16#L719-7true, Black: 228#true, 234#true, Black: 236#(= |thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1| |#race~count~0|), 225#true, 7#L719-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 82#L719-1true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:41:04,702 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2023-08-29 09:41:04,702 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 09:41:04,702 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 09:41:04,703 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 09:41:04,703 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1330] L719-7-->L720-1: Formula: (= |v_#race~count~0_233| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_233|, thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_15|} AuxVars[] AssignedVars[#race~count~0, thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1][169], [8#L733-5true, 240#true, Black: 228#true, 234#true, 108#L719-7true, Black: 236#(= |thr1Thread1of4ForFork0_Barrier2_#t~nondet7#1| |#race~count~0|), 225#true, 7#L719-1true, thr1Thread1of4ForFork0InUse, 11#L720-1true, thr1Thread2of4ForFork0InUse, 82#L719-1true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:41:04,703 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2023-08-29 09:41:04,703 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 09:41:04,703 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 09:41:04,703 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event