./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c -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 --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 f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:58:54,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:58:55,051 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:58:55,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:58:55,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:58:55,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:58:55,083 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:58:55,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:58:55,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:58:55,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:58:55,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:58:55,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:58:55,087 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:58:55,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:58:55,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:58:55,089 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:58:55,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:58:55,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:58:55,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:58:55,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:58:55,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:58:55,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:58:55,090 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:58:55,092 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:58:55,092 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:58:55,092 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:58:55,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:58:55,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:58:55,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:58:55,093 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:58:55,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:58:55,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:58:55,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:58:55,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:58:55,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:58:55,094 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:58:55,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:58:55,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:58:55,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:58:55,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:58:55,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:58:55,096 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 [2024-11-09 06:58:55,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:58:55,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:58:55,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:58:55,325 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:58:55,325 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:58:55,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-11-09 06:58:56,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:58:56,820 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:58:56,821 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-11-09 06:58:56,828 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a7cf9512/86c228e97ff64c41b692213307b18e9c/FLAG194fbd6d9 [2024-11-09 06:58:56,840 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a7cf9512/86c228e97ff64c41b692213307b18e9c [2024-11-09 06:58:56,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:58:56,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:58:56,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:56,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:58:56,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:58:56,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:56" (1/1) ... [2024-11-09 06:58:56,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c10d3ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:56, skipping insertion in model container [2024-11-09 06:58:56,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:56" (1/1) ... [2024-11-09 06:58:56,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:58:57,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:57,132 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:58:57,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:57,185 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:58:57,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57 WrapperNode [2024-11-09 06:58:57,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:57,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:57,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:58:57,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:58:57,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57" (1/1) ... [2024-11-09 06:58:57,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57" (1/1) ... [2024-11-09 06:58:57,240 INFO L138 Inliner]: procedures = 25, calls = 32, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 442 [2024-11-09 06:58:57,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:57,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:58:57,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:58:57,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:58:57,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57" (1/1) ... [2024-11-09 06:58:57,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57" (1/1) ... [2024-11-09 06:58:57,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57" (1/1) ... [2024-11-09 06:58:57,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57" (1/1) ... [2024-11-09 06:58:57,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57" (1/1) ... [2024-11-09 06:58:57,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57" (1/1) ... [2024-11-09 06:58:57,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57" (1/1) ... [2024-11-09 06:58:57,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57" (1/1) ... [2024-11-09 06:58:57,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:58:57,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:58:57,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:58:57,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:58:57,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57" (1/1) ... [2024-11-09 06:58:57,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:58:57,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:57,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 06:58:57,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 06:58:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:58:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 06:58:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 06:58:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 06:58:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 06:58:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 06:58:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 06:58:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:58:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:58:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:58:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:58:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:58:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:58:57,400 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:58:57,524 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:58:57,526 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:58:58,126 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:58:58,126 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:58:58,149 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:58:58,149 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-09 06:58:58,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:58 BoogieIcfgContainer [2024-11-09 06:58:58,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:58:58,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:58:58,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:58:58,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:58:58,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:58:56" (1/3) ... [2024-11-09 06:58:58,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f94e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:58, skipping insertion in model container [2024-11-09 06:58:58,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:57" (2/3) ... [2024-11-09 06:58:58,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f94e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:58, skipping insertion in model container [2024-11-09 06:58:58,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:58" (3/3) ... [2024-11-09 06:58:58,158 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2024-11-09 06:58:58,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:58:58,173 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2024-11-09 06:58:58,173 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:58:58,350 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-09 06:58:58,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 557 places, 580 transitions, 1181 flow [2024-11-09 06:58:58,560 INFO L124 PetriNetUnfolderBase]: 33/577 cut-off events. [2024-11-09 06:58:58,560 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 06:58:58,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 577 events. 33/577 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1245 event pairs, 0 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 436. Up to 2 conditions per place. [2024-11-09 06:58:58,580 INFO L82 GeneralOperation]: Start removeDead. Operand has 557 places, 580 transitions, 1181 flow [2024-11-09 06:58:58,595 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 535 places, 556 transitions, 1130 flow [2024-11-09 06:58:58,608 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:58:58,615 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@6bafff6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:58:58,615 INFO L334 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2024-11-09 06:58:58,623 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:58:58,625 INFO L124 PetriNetUnfolderBase]: 3/63 cut-off events. [2024-11-09 06:58:58,625 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:58:58,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:58,626 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:58,626 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:58:58,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:58,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1337635061, now seen corresponding path program 1 times [2024-11-09 06:58:58,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:58,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699348911] [2024-11-09 06:58:58,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:58,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:59,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:59,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699348911] [2024-11-09 06:58:59,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699348911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:59,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:59,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:59,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505421231] [2024-11-09 06:58:59,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:59,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:59,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:59,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:59,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:59,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 485 out of 580 [2024-11-09 06:58:59,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 556 transitions, 1130 flow. Second operand has 6 states, 6 states have (on average 486.5) internal successors, (2919), 6 states have internal predecessors, (2919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:59,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:59,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 485 of 580 [2024-11-09 06:58:59,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:02,426 INFO L124 PetriNetUnfolderBase]: 2075/15242 cut-off events. [2024-11-09 06:59:02,427 INFO L125 PetriNetUnfolderBase]: For 631/633 co-relation queries the response was YES. [2024-11-09 06:59:02,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18445 conditions, 15242 events. 2075/15242 cut-off events. For 631/633 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 184920 event pairs, 1520 based on Foata normal form. 1015/13876 useless extension candidates. Maximal degree in co-relation 16217. Up to 2820 conditions per place. [2024-11-09 06:59:02,626 INFO L140 encePairwiseOnDemand]: 541/580 looper letters, 54 selfloop transitions, 15 changer transitions 6/532 dead transitions. [2024-11-09 06:59:02,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 532 transitions, 1220 flow [2024-11-09 06:59:02,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:59:02,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:59:02,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3003 transitions. [2024-11-09 06:59:02,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8629310344827587 [2024-11-09 06:59:02,647 INFO L175 Difference]: Start difference. First operand has 535 places, 556 transitions, 1130 flow. Second operand 6 states and 3003 transitions. [2024-11-09 06:59:02,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 532 transitions, 1220 flow [2024-11-09 06:59:02,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 532 transitions, 1208 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-09 06:59:02,661 INFO L231 Difference]: Finished difference. Result has 531 places, 526 transitions, 1088 flow [2024-11-09 06:59:02,664 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1070, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=517, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1088, PETRI_PLACES=531, PETRI_TRANSITIONS=526} [2024-11-09 06:59:02,666 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -4 predicate places. [2024-11-09 06:59:02,667 INFO L471 AbstractCegarLoop]: Abstraction has has 531 places, 526 transitions, 1088 flow [2024-11-09 06:59:02,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 486.5) internal successors, (2919), 6 states have internal predecessors, (2919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:02,669 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:02,669 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:02,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:59:02,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:02,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:02,670 INFO L85 PathProgramCache]: Analyzing trace with hash -216004499, now seen corresponding path program 1 times [2024-11-09 06:59:02,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:02,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701803292] [2024-11-09 06:59:02,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:02,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:02,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:02,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701803292] [2024-11-09 06:59:02,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701803292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:02,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:02,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:02,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755772008] [2024-11-09 06:59:02,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:02,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:02,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:02,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:02,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:02,717 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-09 06:59:02,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 526 transitions, 1088 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:02,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:02,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-09 06:59:02,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:02,801 INFO L124 PetriNetUnfolderBase]: 19/741 cut-off events. [2024-11-09 06:59:02,802 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-09 06:59:02,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 787 conditions, 741 events. 19/741 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2710 event pairs, 5 based on Foata normal form. 0/648 useless extension candidates. Maximal degree in co-relation 739. Up to 22 conditions per place. [2024-11-09 06:59:02,813 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/525 dead transitions. [2024-11-09 06:59:02,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 525 transitions, 1112 flow [2024-11-09 06:59:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:02,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:02,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-09 06:59:02,816 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-09 06:59:02,817 INFO L175 Difference]: Start difference. First operand has 531 places, 526 transitions, 1088 flow. Second operand 3 states and 1640 transitions. [2024-11-09 06:59:02,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 525 transitions, 1112 flow [2024-11-09 06:59:02,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 525 transitions, 1082 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:59:02,824 INFO L231 Difference]: Finished difference. Result has 521 places, 525 transitions, 1060 flow [2024-11-09 06:59:02,825 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1056, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1060, PETRI_PLACES=521, PETRI_TRANSITIONS=525} [2024-11-09 06:59:02,826 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -14 predicate places. [2024-11-09 06:59:02,826 INFO L471 AbstractCegarLoop]: Abstraction has has 521 places, 525 transitions, 1060 flow [2024-11-09 06:59:02,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:02,827 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:02,827 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:02,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:59:02,828 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:02,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:02,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1801895061, now seen corresponding path program 1 times [2024-11-09 06:59:02,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:02,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341743000] [2024-11-09 06:59:02,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:02,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:02,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:02,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:02,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341743000] [2024-11-09 06:59:02,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341743000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:02,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:02,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:02,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463885401] [2024-11-09 06:59:02,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:02,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:02,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:02,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:02,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:02,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-09 06:59:02,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 525 transitions, 1060 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:02,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:02,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-09 06:59:02,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:03,055 INFO L124 PetriNetUnfolderBase]: 25/947 cut-off events. [2024-11-09 06:59:03,056 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-09 06:59:03,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 985 conditions, 947 events. 25/947 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3861 event pairs, 7 based on Foata normal form. 0/820 useless extension candidates. Maximal degree in co-relation 912. Up to 25 conditions per place. [2024-11-09 06:59:03,070 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/524 dead transitions. [2024-11-09 06:59:03,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 524 transitions, 1084 flow [2024-11-09 06:59:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:03,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-09 06:59:03,074 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-09 06:59:03,074 INFO L175 Difference]: Start difference. First operand has 521 places, 525 transitions, 1060 flow. Second operand 3 states and 1640 transitions. [2024-11-09 06:59:03,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 524 transitions, 1084 flow [2024-11-09 06:59:03,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 524 transitions, 1080 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:03,082 INFO L231 Difference]: Finished difference. Result has 520 places, 524 transitions, 1058 flow [2024-11-09 06:59:03,083 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1058, PETRI_PLACES=520, PETRI_TRANSITIONS=524} [2024-11-09 06:59:03,084 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -15 predicate places. [2024-11-09 06:59:03,084 INFO L471 AbstractCegarLoop]: Abstraction has has 520 places, 524 transitions, 1058 flow [2024-11-09 06:59:03,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:03,085 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:03,086 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:03,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:59:03,086 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:03,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:03,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1350194626, now seen corresponding path program 1 times [2024-11-09 06:59:03,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:03,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464522516] [2024-11-09 06:59:03,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:03,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:03,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:03,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464522516] [2024-11-09 06:59:03,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464522516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:03,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:03,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:03,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408360445] [2024-11-09 06:59:03,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:03,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:03,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:03,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:03,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:03,155 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-09 06:59:03,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 524 transitions, 1058 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:03,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:03,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-09 06:59:03,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:03,262 INFO L124 PetriNetUnfolderBase]: 19/637 cut-off events. [2024-11-09 06:59:03,262 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-09 06:59:03,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 637 events. 19/637 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2025 event pairs, 7 based on Foata normal form. 0/563 useless extension candidates. Maximal degree in co-relation 552. Up to 25 conditions per place. [2024-11-09 06:59:03,272 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/523 dead transitions. [2024-11-09 06:59:03,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 523 transitions, 1082 flow [2024-11-09 06:59:03,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:03,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-09 06:59:03,276 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-09 06:59:03,277 INFO L175 Difference]: Start difference. First operand has 520 places, 524 transitions, 1058 flow. Second operand 3 states and 1640 transitions. [2024-11-09 06:59:03,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 523 transitions, 1082 flow [2024-11-09 06:59:03,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 523 transitions, 1078 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:03,285 INFO L231 Difference]: Finished difference. Result has 519 places, 523 transitions, 1056 flow [2024-11-09 06:59:03,286 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1052, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=519, PETRI_TRANSITIONS=523} [2024-11-09 06:59:03,286 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -16 predicate places. [2024-11-09 06:59:03,286 INFO L471 AbstractCegarLoop]: Abstraction has has 519 places, 523 transitions, 1056 flow [2024-11-09 06:59:03,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:03,288 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:03,288 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:03,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:59:03,288 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:03,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:03,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1074483581, now seen corresponding path program 1 times [2024-11-09 06:59:03,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:03,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54737079] [2024-11-09 06:59:03,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:03,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:03,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:03,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54737079] [2024-11-09 06:59:03,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54737079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:03,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:03,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:03,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627890194] [2024-11-09 06:59:03,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:03,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:03,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:03,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:03,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:03,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-09 06:59:03,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 523 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:03,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:03,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-09 06:59:03,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:03,501 INFO L124 PetriNetUnfolderBase]: 21/826 cut-off events. [2024-11-09 06:59:03,502 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 06:59:03,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 826 events. 21/826 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3378 event pairs, 5 based on Foata normal form. 0/720 useless extension candidates. Maximal degree in co-relation 692. Up to 22 conditions per place. [2024-11-09 06:59:03,515 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2024-11-09 06:59:03,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 522 transitions, 1080 flow [2024-11-09 06:59:03,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:03,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-09 06:59:03,520 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-09 06:59:03,520 INFO L175 Difference]: Start difference. First operand has 519 places, 523 transitions, 1056 flow. Second operand 3 states and 1640 transitions. [2024-11-09 06:59:03,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 522 transitions, 1080 flow [2024-11-09 06:59:03,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 522 transitions, 1076 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:03,529 INFO L231 Difference]: Finished difference. Result has 518 places, 522 transitions, 1054 flow [2024-11-09 06:59:03,530 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1054, PETRI_PLACES=518, PETRI_TRANSITIONS=522} [2024-11-09 06:59:03,530 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -17 predicate places. [2024-11-09 06:59:03,532 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 522 transitions, 1054 flow [2024-11-09 06:59:03,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:03,533 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:03,533 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:03,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:59:03,534 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:03,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:03,537 INFO L85 PathProgramCache]: Analyzing trace with hash -477178224, now seen corresponding path program 1 times [2024-11-09 06:59:03,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:03,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557432593] [2024-11-09 06:59:03,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:03,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:03,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:03,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557432593] [2024-11-09 06:59:03,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557432593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:03,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:03,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:03,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727327485] [2024-11-09 06:59:03,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:03,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:03,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:03,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:03,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:03,618 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-09 06:59:03,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 522 transitions, 1054 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:03,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:03,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-09 06:59:03,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:03,742 INFO L124 PetriNetUnfolderBase]: 27/1034 cut-off events. [2024-11-09 06:59:03,742 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-11-09 06:59:03,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1072 conditions, 1034 events. 27/1034 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 4727 event pairs, 7 based on Foata normal form. 0/894 useless extension candidates. Maximal degree in co-relation 897. Up to 25 conditions per place. [2024-11-09 06:59:03,757 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2024-11-09 06:59:03,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 521 transitions, 1078 flow [2024-11-09 06:59:03,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-09 06:59:03,760 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-09 06:59:03,760 INFO L175 Difference]: Start difference. First operand has 518 places, 522 transitions, 1054 flow. Second operand 3 states and 1640 transitions. [2024-11-09 06:59:03,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 521 transitions, 1078 flow [2024-11-09 06:59:03,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 521 transitions, 1074 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:03,767 INFO L231 Difference]: Finished difference. Result has 517 places, 521 transitions, 1052 flow [2024-11-09 06:59:03,768 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1052, PETRI_PLACES=517, PETRI_TRANSITIONS=521} [2024-11-09 06:59:03,769 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-11-09 06:59:03,769 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 521 transitions, 1052 flow [2024-11-09 06:59:03,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:03,770 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:03,770 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:03,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:59:03,770 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:03,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:03,771 INFO L85 PathProgramCache]: Analyzing trace with hash -550514655, now seen corresponding path program 1 times [2024-11-09 06:59:03,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:03,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352588454] [2024-11-09 06:59:03,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:03,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:03,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:03,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:03,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352588454] [2024-11-09 06:59:03,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352588454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:03,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:03,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:03,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387585772] [2024-11-09 06:59:03,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:03,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:03,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:03,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:03,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:03,822 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-09 06:59:03,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 521 transitions, 1052 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:03,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:03,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-09 06:59:03,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:03,916 INFO L124 PetriNetUnfolderBase]: 25/898 cut-off events. [2024-11-09 06:59:03,916 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-09 06:59:03,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 898 events. 25/898 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3228 event pairs, 7 based on Foata normal form. 0/783 useless extension candidates. Maximal degree in co-relation 750. Up to 25 conditions per place. [2024-11-09 06:59:03,929 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/520 dead transitions. [2024-11-09 06:59:03,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 520 transitions, 1076 flow [2024-11-09 06:59:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:03,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:03,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-09 06:59:03,933 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-09 06:59:03,933 INFO L175 Difference]: Start difference. First operand has 517 places, 521 transitions, 1052 flow. Second operand 3 states and 1640 transitions. [2024-11-09 06:59:03,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 520 transitions, 1076 flow [2024-11-09 06:59:03,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 520 transitions, 1072 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:03,939 INFO L231 Difference]: Finished difference. Result has 516 places, 520 transitions, 1050 flow [2024-11-09 06:59:03,940 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1046, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1050, PETRI_PLACES=516, PETRI_TRANSITIONS=520} [2024-11-09 06:59:03,941 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -19 predicate places. [2024-11-09 06:59:03,941 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 520 transitions, 1050 flow [2024-11-09 06:59:03,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:03,942 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:03,942 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:03,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:59:03,943 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:03,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:03,943 INFO L85 PathProgramCache]: Analyzing trace with hash 2034912479, now seen corresponding path program 1 times [2024-11-09 06:59:03,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:03,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622030943] [2024-11-09 06:59:03,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:03,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:03,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:03,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622030943] [2024-11-09 06:59:03,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622030943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:03,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:03,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:03,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872868699] [2024-11-09 06:59:03,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:03,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:03,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:03,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:03,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:03,992 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-09 06:59:03,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 520 transitions, 1050 flow. Second operand has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:03,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:03,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-09 06:59:03,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:04,167 INFO L124 PetriNetUnfolderBase]: 36/1226 cut-off events. [2024-11-09 06:59:04,168 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 06:59:04,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1273 conditions, 1226 events. 36/1226 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6542 event pairs, 8 based on Foata normal form. 0/1064 useless extension candidates. Maximal degree in co-relation 1082. Up to 31 conditions per place. [2024-11-09 06:59:04,189 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2024-11-09 06:59:04,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 522 transitions, 1086 flow [2024-11-09 06:59:04,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-11-09 06:59:04,193 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-11-09 06:59:04,193 INFO L175 Difference]: Start difference. First operand has 516 places, 520 transitions, 1050 flow. Second operand 3 states and 1649 transitions. [2024-11-09 06:59:04,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 522 transitions, 1086 flow [2024-11-09 06:59:04,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 522 transitions, 1082 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:04,204 INFO L231 Difference]: Finished difference. Result has 515 places, 520 transitions, 1056 flow [2024-11-09 06:59:04,205 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=515, PETRI_TRANSITIONS=520} [2024-11-09 06:59:04,207 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -20 predicate places. [2024-11-09 06:59:04,207 INFO L471 AbstractCegarLoop]: Abstraction has has 515 places, 520 transitions, 1056 flow [2024-11-09 06:59:04,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:04,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:04,209 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:04,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:59:04,210 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:04,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:04,213 INFO L85 PathProgramCache]: Analyzing trace with hash -554961808, now seen corresponding path program 1 times [2024-11-09 06:59:04,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:04,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353050501] [2024-11-09 06:59:04,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:04,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:04,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:04,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353050501] [2024-11-09 06:59:04,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353050501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:04,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:04,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:04,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362499658] [2024-11-09 06:59:04,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:04,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:04,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:04,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:04,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:04,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-09 06:59:04,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 520 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:04,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:04,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-09 06:59:04,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:04,496 INFO L124 PetriNetUnfolderBase]: 49/1359 cut-off events. [2024-11-09 06:59:04,496 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 06:59:04,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1428 conditions, 1359 events. 49/1359 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8201 event pairs, 5 based on Foata normal form. 0/1184 useless extension candidates. Maximal degree in co-relation 1127. Up to 43 conditions per place. [2024-11-09 06:59:04,515 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2024-11-09 06:59:04,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 522 transitions, 1092 flow [2024-11-09 06:59:04,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:04,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-11-09 06:59:04,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-11-09 06:59:04,518 INFO L175 Difference]: Start difference. First operand has 515 places, 520 transitions, 1056 flow. Second operand 3 states and 1649 transitions. [2024-11-09 06:59:04,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 522 transitions, 1092 flow [2024-11-09 06:59:04,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 522 transitions, 1092 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:59:04,526 INFO L231 Difference]: Finished difference. Result has 516 places, 520 transitions, 1066 flow [2024-11-09 06:59:04,527 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1052, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1066, PETRI_PLACES=516, PETRI_TRANSITIONS=520} [2024-11-09 06:59:04,527 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -19 predicate places. [2024-11-09 06:59:04,527 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 520 transitions, 1066 flow [2024-11-09 06:59:04,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:04,529 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:04,529 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:04,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:59:04,529 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:04,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:04,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1448607424, now seen corresponding path program 1 times [2024-11-09 06:59:04,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:04,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420975824] [2024-11-09 06:59:04,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:04,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:04,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:04,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420975824] [2024-11-09 06:59:04,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420975824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:04,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:04,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:04,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196609010] [2024-11-09 06:59:04,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:04,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:04,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:04,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:04,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:04,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-09 06:59:04,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 520 transitions, 1066 flow. Second operand has 3 states, 3 states have (on average 542.3333333333334) internal successors, (1627), 3 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:04,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:04,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-09 06:59:04,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:04,783 INFO L124 PetriNetUnfolderBase]: 51/1185 cut-off events. [2024-11-09 06:59:04,783 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 06:59:04,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1303 conditions, 1185 events. 51/1185 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6426 event pairs, 18 based on Foata normal form. 0/1038 useless extension candidates. Maximal degree in co-relation 1002. Up to 57 conditions per place. [2024-11-09 06:59:04,801 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 15 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2024-11-09 06:59:04,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 521 transitions, 1104 flow [2024-11-09 06:59:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-09 06:59:04,804 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-09 06:59:04,804 INFO L175 Difference]: Start difference. First operand has 516 places, 520 transitions, 1066 flow. Second operand 3 states and 1641 transitions. [2024-11-09 06:59:04,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 521 transitions, 1104 flow [2024-11-09 06:59:04,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 521 transitions, 1104 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:59:04,810 INFO L231 Difference]: Finished difference. Result has 517 places, 519 transitions, 1068 flow [2024-11-09 06:59:04,811 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1064, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=517, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1068, PETRI_PLACES=517, PETRI_TRANSITIONS=519} [2024-11-09 06:59:04,812 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-11-09 06:59:04,812 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 519 transitions, 1068 flow [2024-11-09 06:59:04,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 542.3333333333334) internal successors, (1627), 3 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:04,813 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:04,813 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:04,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:59:04,814 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:04,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:04,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1115530230, now seen corresponding path program 1 times [2024-11-09 06:59:04,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:04,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632909530] [2024-11-09 06:59:04,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:04,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:04,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:04,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632909530] [2024-11-09 06:59:04,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632909530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:04,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:04,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:04,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427034730] [2024-11-09 06:59:04,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:04,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:04,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:04,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:04,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:04,873 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-09 06:59:04,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 519 transitions, 1068 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:04,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:04,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-09 06:59:04,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:05,100 INFO L124 PetriNetUnfolderBase]: 68/1866 cut-off events. [2024-11-09 06:59:05,101 INFO L125 PetriNetUnfolderBase]: For 16/21 co-relation queries the response was YES. [2024-11-09 06:59:05,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1954 conditions, 1866 events. 68/1866 cut-off events. For 16/21 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 12113 event pairs, 15 based on Foata normal form. 0/1612 useless extension candidates. Maximal degree in co-relation 1556. Up to 56 conditions per place. [2024-11-09 06:59:05,130 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2024-11-09 06:59:05,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 521 transitions, 1104 flow [2024-11-09 06:59:05,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:05,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:05,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-11-09 06:59:05,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-11-09 06:59:05,135 INFO L175 Difference]: Start difference. First operand has 517 places, 519 transitions, 1068 flow. Second operand 3 states and 1649 transitions. [2024-11-09 06:59:05,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 521 transitions, 1104 flow [2024-11-09 06:59:05,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 521 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:05,144 INFO L231 Difference]: Finished difference. Result has 516 places, 519 transitions, 1074 flow [2024-11-09 06:59:05,145 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1074, PETRI_PLACES=516, PETRI_TRANSITIONS=519} [2024-11-09 06:59:05,146 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -19 predicate places. [2024-11-09 06:59:05,146 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 519 transitions, 1074 flow [2024-11-09 06:59:05,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:05,148 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:05,148 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:05,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:59:05,149 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:05,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:05,149 INFO L85 PathProgramCache]: Analyzing trace with hash 192997645, now seen corresponding path program 1 times [2024-11-09 06:59:05,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:05,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953300561] [2024-11-09 06:59:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:05,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:05,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:05,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:05,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953300561] [2024-11-09 06:59:05,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953300561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:05,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:05,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:05,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666427942] [2024-11-09 06:59:05,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:05,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:05,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:05,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:05,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:05,205 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-09 06:59:05,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 519 transitions, 1074 flow. Second operand has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:05,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:05,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-09 06:59:05,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:05,484 INFO L124 PetriNetUnfolderBase]: 101/2286 cut-off events. [2024-11-09 06:59:05,485 INFO L125 PetriNetUnfolderBase]: For 19/22 co-relation queries the response was YES. [2024-11-09 06:59:05,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2434 conditions, 2286 events. 101/2286 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 15736 event pairs, 6 based on Foata normal form. 0/1974 useless extension candidates. Maximal degree in co-relation 1997. Up to 104 conditions per place. [2024-11-09 06:59:05,516 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 16 selfloop transitions, 2 changer transitions 0/524 dead transitions. [2024-11-09 06:59:05,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 524 transitions, 1125 flow [2024-11-09 06:59:05,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:05,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1652 transitions. [2024-11-09 06:59:05,520 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9494252873563218 [2024-11-09 06:59:05,520 INFO L175 Difference]: Start difference. First operand has 516 places, 519 transitions, 1074 flow. Second operand 3 states and 1652 transitions. [2024-11-09 06:59:05,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 524 transitions, 1125 flow [2024-11-09 06:59:05,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 524 transitions, 1125 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:59:05,528 INFO L231 Difference]: Finished difference. Result has 517 places, 519 transitions, 1084 flow [2024-11-09 06:59:05,529 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1070, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1084, PETRI_PLACES=517, PETRI_TRANSITIONS=519} [2024-11-09 06:59:05,529 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-11-09 06:59:05,529 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 519 transitions, 1084 flow [2024-11-09 06:59:05,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:05,531 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:05,531 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:05,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:59:05,532 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:05,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:05,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1687991848, now seen corresponding path program 1 times [2024-11-09 06:59:05,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:05,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897331911] [2024-11-09 06:59:05,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:05,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:05,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:05,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897331911] [2024-11-09 06:59:05,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897331911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:05,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:05,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:05,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692305423] [2024-11-09 06:59:05,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:05,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:05,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:05,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:05,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:05,599 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 580 [2024-11-09 06:59:05,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 519 transitions, 1084 flow. Second operand has 3 states, 3 states have (on average 540.3333333333334) internal successors, (1621), 3 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:05,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:05,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 580 [2024-11-09 06:59:05,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:05,986 INFO L124 PetriNetUnfolderBase]: 118/2771 cut-off events. [2024-11-09 06:59:05,987 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-09 06:59:06,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3033 conditions, 2771 events. 118/2771 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 20131 event pairs, 15 based on Foata normal form. 0/2426 useless extension candidates. Maximal degree in co-relation 2596. Up to 57 conditions per place. [2024-11-09 06:59:06,013 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 15 selfloop transitions, 5 changer transitions 0/521 dead transitions. [2024-11-09 06:59:06,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 521 transitions, 1130 flow [2024-11-09 06:59:06,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-09 06:59:06,016 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-09 06:59:06,016 INFO L175 Difference]: Start difference. First operand has 517 places, 519 transitions, 1084 flow. Second operand 3 states and 1640 transitions. [2024-11-09 06:59:06,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 521 transitions, 1130 flow [2024-11-09 06:59:06,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 521 transitions, 1130 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:59:06,021 INFO L231 Difference]: Finished difference. Result has 518 places, 519 transitions, 1110 flow [2024-11-09 06:59:06,022 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1110, PETRI_PLACES=518, PETRI_TRANSITIONS=519} [2024-11-09 06:59:06,023 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -17 predicate places. [2024-11-09 06:59:06,023 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 519 transitions, 1110 flow [2024-11-09 06:59:06,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 540.3333333333334) internal successors, (1621), 3 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:06,024 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:06,024 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:06,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:59:06,024 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:06,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:06,025 INFO L85 PathProgramCache]: Analyzing trace with hash -539812553, now seen corresponding path program 1 times [2024-11-09 06:59:06,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:06,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173250723] [2024-11-09 06:59:06,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:06,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:06,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:06,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173250723] [2024-11-09 06:59:06,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173250723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:06,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:06,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:06,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478894355] [2024-11-09 06:59:06,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:06,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:06,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:06,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:06,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:06,087 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-09 06:59:06,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 519 transitions, 1110 flow. Second operand has 3 states, 3 states have (on average 542.6666666666666) internal successors, (1628), 3 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:06,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:06,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-09 06:59:06,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:06,423 INFO L124 PetriNetUnfolderBase]: 92/2232 cut-off events. [2024-11-09 06:59:06,424 INFO L125 PetriNetUnfolderBase]: For 36/118 co-relation queries the response was YES. [2024-11-09 06:59:06,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2428 conditions, 2232 events. 92/2232 cut-off events. For 36/118 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 14609 event pairs, 22 based on Foata normal form. 2/1934 useless extension candidates. Maximal degree in co-relation 1879. Up to 58 conditions per place. [2024-11-09 06:59:06,475 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 15 selfloop transitions, 2 changer transitions 0/520 dead transitions. [2024-11-09 06:59:06,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 520 transitions, 1148 flow [2024-11-09 06:59:06,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:06,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-09 06:59:06,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-09 06:59:06,478 INFO L175 Difference]: Start difference. First operand has 518 places, 519 transitions, 1110 flow. Second operand 3 states and 1641 transitions. [2024-11-09 06:59:06,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 520 transitions, 1148 flow [2024-11-09 06:59:06,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 520 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:06,485 INFO L231 Difference]: Finished difference. Result has 517 places, 518 transitions, 1102 flow [2024-11-09 06:59:06,486 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1098, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1102, PETRI_PLACES=517, PETRI_TRANSITIONS=518} [2024-11-09 06:59:06,486 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-11-09 06:59:06,486 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 518 transitions, 1102 flow [2024-11-09 06:59:06,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 542.6666666666666) internal successors, (1628), 3 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:06,488 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:06,488 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:06,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:59:06,488 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:06,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:06,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1518985140, now seen corresponding path program 1 times [2024-11-09 06:59:06,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:06,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361492234] [2024-11-09 06:59:06,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:06,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:06,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:06,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361492234] [2024-11-09 06:59:06,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361492234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:06,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:06,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:59:06,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170022192] [2024-11-09 06:59:06,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:06,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:59:06,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:06,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:59:06,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:59:06,605 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 580 [2024-11-09 06:59:06,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 518 transitions, 1102 flow. Second operand has 4 states, 4 states have (on average 544.25) internal successors, (2177), 4 states have internal predecessors, (2177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:06,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:06,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 580 [2024-11-09 06:59:06,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:07,113 INFO L124 PetriNetUnfolderBase]: 124/3253 cut-off events. [2024-11-09 06:59:07,114 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-11-09 06:59:07,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3601 conditions, 3253 events. 124/3253 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 24191 event pairs, 24 based on Foata normal form. 2/2851 useless extension candidates. Maximal degree in co-relation 3439. Up to 67 conditions per place. [2024-11-09 06:59:07,147 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 27 selfloop transitions, 4 changer transitions 0/534 dead transitions. [2024-11-09 06:59:07,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 534 transitions, 1206 flow [2024-11-09 06:59:07,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:59:07,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 06:59:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2747 transitions. [2024-11-09 06:59:07,153 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9472413793103448 [2024-11-09 06:59:07,153 INFO L175 Difference]: Start difference. First operand has 517 places, 518 transitions, 1102 flow. Second operand 5 states and 2747 transitions. [2024-11-09 06:59:07,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 534 transitions, 1206 flow [2024-11-09 06:59:07,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 534 transitions, 1202 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:07,161 INFO L231 Difference]: Finished difference. Result has 522 places, 520 transitions, 1123 flow [2024-11-09 06:59:07,162 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1094, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1123, PETRI_PLACES=522, PETRI_TRANSITIONS=520} [2024-11-09 06:59:07,163 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -13 predicate places. [2024-11-09 06:59:07,163 INFO L471 AbstractCegarLoop]: Abstraction has has 522 places, 520 transitions, 1123 flow [2024-11-09 06:59:07,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 544.25) internal successors, (2177), 4 states have internal predecessors, (2177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:07,164 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:07,164 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:07,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:59:07,165 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:07,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:07,165 INFO L85 PathProgramCache]: Analyzing trace with hash 209910454, now seen corresponding path program 1 times [2024-11-09 06:59:07,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:07,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293568816] [2024-11-09 06:59:07,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:07,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:07,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:07,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293568816] [2024-11-09 06:59:07,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293568816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:07,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:07,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:59:07,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771865263] [2024-11-09 06:59:07,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:07,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:59:07,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:07,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:59:07,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:59:07,401 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 524 out of 580 [2024-11-09 06:59:07,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 520 transitions, 1123 flow. Second operand has 5 states, 5 states have (on average 529.0) internal successors, (2645), 5 states have internal predecessors, (2645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:07,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:07,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 524 of 580 [2024-11-09 06:59:07,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:07,751 INFO L124 PetriNetUnfolderBase]: 47/1670 cut-off events. [2024-11-09 06:59:07,751 INFO L125 PetriNetUnfolderBase]: For 11/22 co-relation queries the response was YES. [2024-11-09 06:59:07,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1835 conditions, 1670 events. 47/1670 cut-off events. For 11/22 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8699 event pairs, 3 based on Foata normal form. 3/1481 useless extension candidates. Maximal degree in co-relation 1699. Up to 30 conditions per place. [2024-11-09 06:59:07,782 INFO L140 encePairwiseOnDemand]: 559/580 looper letters, 18 selfloop transitions, 18 changer transitions 0/523 dead transitions. [2024-11-09 06:59:07,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 523 transitions, 1201 flow [2024-11-09 06:59:07,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:59:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 06:59:07,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2659 transitions. [2024-11-09 06:59:07,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.916896551724138 [2024-11-09 06:59:07,788 INFO L175 Difference]: Start difference. First operand has 522 places, 520 transitions, 1123 flow. Second operand 5 states and 2659 transitions. [2024-11-09 06:59:07,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 523 transitions, 1201 flow [2024-11-09 06:59:07,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 523 transitions, 1201 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:59:07,796 INFO L231 Difference]: Finished difference. Result has 527 places, 523 transitions, 1183 flow [2024-11-09 06:59:07,796 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1123, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1183, PETRI_PLACES=527, PETRI_TRANSITIONS=523} [2024-11-09 06:59:07,796 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -8 predicate places. [2024-11-09 06:59:07,797 INFO L471 AbstractCegarLoop]: Abstraction has has 527 places, 523 transitions, 1183 flow [2024-11-09 06:59:07,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 529.0) internal successors, (2645), 5 states have internal predecessors, (2645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:07,798 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:07,798 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:07,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 06:59:07,799 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:07,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:07,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1160708202, now seen corresponding path program 1 times [2024-11-09 06:59:07,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:07,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064615393] [2024-11-09 06:59:07,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:07,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:59:07,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:07,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064615393] [2024-11-09 06:59:07,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064615393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:07,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:07,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:07,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314862102] [2024-11-09 06:59:07,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:07,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:07,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:07,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:07,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:07,902 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-09 06:59:07,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 523 transitions, 1183 flow. Second operand has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:07,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:07,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-09 06:59:07,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:08,790 INFO L124 PetriNetUnfolderBase]: 188/4808 cut-off events. [2024-11-09 06:59:08,790 INFO L125 PetriNetUnfolderBase]: For 59/79 co-relation queries the response was YES. [2024-11-09 06:59:08,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5351 conditions, 4808 events. 188/4808 cut-off events. For 59/79 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 39515 event pairs, 45 based on Foata normal form. 4/4214 useless extension candidates. Maximal degree in co-relation 5122. Up to 128 conditions per place. [2024-11-09 06:59:08,870 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 17 selfloop transitions, 2 changer transitions 0/524 dead transitions. [2024-11-09 06:59:08,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 524 transitions, 1225 flow [2024-11-09 06:59:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:08,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-09 06:59:08,873 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-09 06:59:08,873 INFO L175 Difference]: Start difference. First operand has 527 places, 523 transitions, 1183 flow. Second operand 3 states and 1641 transitions. [2024-11-09 06:59:08,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 524 transitions, 1225 flow [2024-11-09 06:59:08,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 524 transitions, 1195 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 06:59:08,880 INFO L231 Difference]: Finished difference. Result has 525 places, 522 transitions, 1155 flow [2024-11-09 06:59:08,882 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1151, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1155, PETRI_PLACES=525, PETRI_TRANSITIONS=522} [2024-11-09 06:59:08,882 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -10 predicate places. [2024-11-09 06:59:08,883 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 522 transitions, 1155 flow [2024-11-09 06:59:08,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:08,887 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:08,888 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:08,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 06:59:08,888 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:08,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:08,889 INFO L85 PathProgramCache]: Analyzing trace with hash 279789001, now seen corresponding path program 1 times [2024-11-09 06:59:08,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:08,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809953690] [2024-11-09 06:59:08,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:08,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:09,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 06:59:09,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:09,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809953690] [2024-11-09 06:59:09,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809953690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:59:09,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719164884] [2024-11-09 06:59:09,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:09,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:59:09,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:59:09,054 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:59:09,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:59:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:09,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:59:09,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:59:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 06:59:09,342 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:59:09,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 06:59:09,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719164884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:59:09,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:59:09,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-09 06:59:09,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139381960] [2024-11-09 06:59:09,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:59:09,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 06:59:09,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:09,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 06:59:09,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:59:10,001 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 580 [2024-11-09 06:59:10,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 522 transitions, 1155 flow. Second operand has 15 states, 15 states have (on average 518.4666666666667) internal successors, (7777), 15 states have internal predecessors, (7777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:10,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:10,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 580 [2024-11-09 06:59:10,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:10,467 INFO L124 PetriNetUnfolderBase]: 47/1715 cut-off events. [2024-11-09 06:59:10,467 INFO L125 PetriNetUnfolderBase]: For 20/31 co-relation queries the response was YES. [2024-11-09 06:59:10,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1942 conditions, 1715 events. 47/1715 cut-off events. For 20/31 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8610 event pairs, 3 based on Foata normal form. 6/1535 useless extension candidates. Maximal degree in co-relation 1800. Up to 30 conditions per place. [2024-11-09 06:59:10,497 INFO L140 encePairwiseOnDemand]: 550/580 looper letters, 30 selfloop transitions, 39 changer transitions 0/546 dead transitions. [2024-11-09 06:59:10,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 546 transitions, 1347 flow [2024-11-09 06:59:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 06:59:10,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-09 06:59:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 5740 transitions. [2024-11-09 06:59:10,504 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8996865203761756 [2024-11-09 06:59:10,504 INFO L175 Difference]: Start difference. First operand has 525 places, 522 transitions, 1155 flow. Second operand 11 states and 5740 transitions. [2024-11-09 06:59:10,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 546 transitions, 1347 flow [2024-11-09 06:59:10,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 546 transitions, 1343 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:10,511 INFO L231 Difference]: Finished difference. Result has 536 places, 540 transitions, 1331 flow [2024-11-09 06:59:10,512 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1151, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1331, PETRI_PLACES=536, PETRI_TRANSITIONS=540} [2024-11-09 06:59:10,512 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 1 predicate places. [2024-11-09 06:59:10,512 INFO L471 AbstractCegarLoop]: Abstraction has has 536 places, 540 transitions, 1331 flow [2024-11-09 06:59:10,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 518.4666666666667) internal successors, (7777), 15 states have internal predecessors, (7777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:10,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:10,515 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:10,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:59:10,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 06:59:10,717 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:10,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:10,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1041812823, now seen corresponding path program 2 times [2024-11-09 06:59:10,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:10,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496328387] [2024-11-09 06:59:10,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:10,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:11,019 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 06:59:11,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:11,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496328387] [2024-11-09 06:59:11,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496328387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:59:11,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15277640] [2024-11-09 06:59:11,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:59:11,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:59:11,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:59:11,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:59:11,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:59:11,150 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:59:11,151 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:59:11,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 06:59:11,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:59:11,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-09 06:59:11,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-09 06:59:11,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:59:11,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-09 06:59:11,266 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:59:11,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-09 06:59:11,292 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:59:11,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:59:11,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15277640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:11,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:59:11,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-09 06:59:11,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842521733] [2024-11-09 06:59:11,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:11,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:59:11,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:11,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:59:11,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:59:11,552 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-09 06:59:11,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 540 transitions, 1331 flow. Second operand has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:11,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:11,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-09 06:59:11,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:11,998 INFO L124 PetriNetUnfolderBase]: 100/2643 cut-off events. [2024-11-09 06:59:11,998 INFO L125 PetriNetUnfolderBase]: For 63/70 co-relation queries the response was YES. [2024-11-09 06:59:12,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3127 conditions, 2643 events. 100/2643 cut-off events. For 63/70 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 17548 event pairs, 9 based on Foata normal form. 0/2363 useless extension candidates. Maximal degree in co-relation 2992. Up to 79 conditions per place. [2024-11-09 06:59:12,045 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 30 selfloop transitions, 6 changer transitions 0/547 dead transitions. [2024-11-09 06:59:12,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 547 transitions, 1425 flow [2024-11-09 06:59:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:59:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:59:12,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3210 transitions. [2024-11-09 06:59:12,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224137931034483 [2024-11-09 06:59:12,053 INFO L175 Difference]: Start difference. First operand has 536 places, 540 transitions, 1331 flow. Second operand 6 states and 3210 transitions. [2024-11-09 06:59:12,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 547 transitions, 1425 flow [2024-11-09 06:59:12,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 547 transitions, 1389 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-09 06:59:12,061 INFO L231 Difference]: Finished difference. Result has 537 places, 539 transitions, 1305 flow [2024-11-09 06:59:12,062 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1293, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1305, PETRI_PLACES=537, PETRI_TRANSITIONS=539} [2024-11-09 06:59:12,062 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 2 predicate places. [2024-11-09 06:59:12,062 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 539 transitions, 1305 flow [2024-11-09 06:59:12,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:12,063 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:12,064 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:12,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:59:12,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:59:12,269 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:12,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:12,270 INFO L85 PathProgramCache]: Analyzing trace with hash -290989231, now seen corresponding path program 1 times [2024-11-09 06:59:12,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:12,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286093997] [2024-11-09 06:59:12,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:12,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:59:12,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:12,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286093997] [2024-11-09 06:59:12,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286093997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:12,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:12,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:12,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097922818] [2024-11-09 06:59:12,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:12,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:12,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:12,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:12,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:12,363 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-09 06:59:12,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 539 transitions, 1305 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:12,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:12,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-09 06:59:12,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:12,912 INFO L124 PetriNetUnfolderBase]: 125/3167 cut-off events. [2024-11-09 06:59:12,913 INFO L125 PetriNetUnfolderBase]: For 66/87 co-relation queries the response was YES. [2024-11-09 06:59:12,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3685 conditions, 3167 events. 125/3167 cut-off events. For 66/87 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 22706 event pairs, 15 based on Foata normal form. 1/2847 useless extension candidates. Maximal degree in co-relation 3355. Up to 118 conditions per place. [2024-11-09 06:59:12,957 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 16 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2024-11-09 06:59:12,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 544 transitions, 1356 flow [2024-11-09 06:59:12,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:12,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:12,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1652 transitions. [2024-11-09 06:59:12,959 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9494252873563218 [2024-11-09 06:59:12,959 INFO L175 Difference]: Start difference. First operand has 537 places, 539 transitions, 1305 flow. Second operand 3 states and 1652 transitions. [2024-11-09 06:59:12,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 544 transitions, 1356 flow [2024-11-09 06:59:12,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 544 transitions, 1344 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:59:12,966 INFO L231 Difference]: Finished difference. Result has 533 places, 539 transitions, 1303 flow [2024-11-09 06:59:12,967 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1289, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1303, PETRI_PLACES=533, PETRI_TRANSITIONS=539} [2024-11-09 06:59:12,967 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -2 predicate places. [2024-11-09 06:59:12,967 INFO L471 AbstractCegarLoop]: Abstraction has has 533 places, 539 transitions, 1303 flow [2024-11-09 06:59:12,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:12,968 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:12,968 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:12,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 06:59:12,969 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:12,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:12,969 INFO L85 PathProgramCache]: Analyzing trace with hash -430699316, now seen corresponding path program 1 times [2024-11-09 06:59:12,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:12,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323690184] [2024-11-09 06:59:12,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:12,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:13,040 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:59:13,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:13,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323690184] [2024-11-09 06:59:13,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323690184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:13,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:13,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:13,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28897054] [2024-11-09 06:59:13,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:13,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:13,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:13,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:13,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:13,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 580 [2024-11-09 06:59:13,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 539 transitions, 1303 flow. Second operand has 3 states, 3 states have (on average 540.6666666666666) internal successors, (1622), 3 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:13,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:13,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 580 [2024-11-09 06:59:13,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:13,888 INFO L124 PetriNetUnfolderBase]: 181/4377 cut-off events. [2024-11-09 06:59:13,888 INFO L125 PetriNetUnfolderBase]: For 75/238 co-relation queries the response was YES. [2024-11-09 06:59:13,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4905 conditions, 4377 events. 181/4377 cut-off events. For 75/238 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 33217 event pairs, 26 based on Foata normal form. 0/3856 useless extension candidates. Maximal degree in co-relation 4576. Up to 82 conditions per place. [2024-11-09 06:59:13,985 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 15 selfloop transitions, 5 changer transitions 0/541 dead transitions. [2024-11-09 06:59:13,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 541 transitions, 1349 flow [2024-11-09 06:59:13,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:13,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-09 06:59:13,988 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-09 06:59:13,988 INFO L175 Difference]: Start difference. First operand has 533 places, 539 transitions, 1303 flow. Second operand 3 states and 1640 transitions. [2024-11-09 06:59:13,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 541 transitions, 1349 flow [2024-11-09 06:59:13,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 541 transitions, 1349 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:59:13,995 INFO L231 Difference]: Finished difference. Result has 534 places, 539 transitions, 1329 flow [2024-11-09 06:59:13,996 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1297, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1329, PETRI_PLACES=534, PETRI_TRANSITIONS=539} [2024-11-09 06:59:13,996 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -1 predicate places. [2024-11-09 06:59:13,996 INFO L471 AbstractCegarLoop]: Abstraction has has 534 places, 539 transitions, 1329 flow [2024-11-09 06:59:13,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 540.6666666666666) internal successors, (1622), 3 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:13,997 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:13,997 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:13,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 06:59:13,997 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:13,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:13,998 INFO L85 PathProgramCache]: Analyzing trace with hash 498961046, now seen corresponding path program 1 times [2024-11-09 06:59:13,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:13,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135986934] [2024-11-09 06:59:13,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:13,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:59:14,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:14,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135986934] [2024-11-09 06:59:14,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135986934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:14,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:14,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:14,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986921721] [2024-11-09 06:59:14,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:14,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:14,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:14,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:14,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:14,101 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-09 06:59:14,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 539 transitions, 1329 flow. Second operand has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:14,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:14,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-09 06:59:14,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:14,750 INFO L124 PetriNetUnfolderBase]: 270/3660 cut-off events. [2024-11-09 06:59:14,751 INFO L125 PetriNetUnfolderBase]: For 219/273 co-relation queries the response was YES. [2024-11-09 06:59:14,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4395 conditions, 3660 events. 270/3660 cut-off events. For 219/273 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 29934 event pairs, 61 based on Foata normal form. 0/3168 useless extension candidates. Maximal degree in co-relation 4064. Up to 360 conditions per place. [2024-11-09 06:59:14,813 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 15 selfloop transitions, 2 changer transitions 0/540 dead transitions. [2024-11-09 06:59:14,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 540 transitions, 1367 flow [2024-11-09 06:59:14,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-09 06:59:14,816 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-09 06:59:14,816 INFO L175 Difference]: Start difference. First operand has 534 places, 539 transitions, 1329 flow. Second operand 3 states and 1641 transitions. [2024-11-09 06:59:14,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 540 transitions, 1367 flow [2024-11-09 06:59:14,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 540 transitions, 1357 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:14,823 INFO L231 Difference]: Finished difference. Result has 533 places, 538 transitions, 1321 flow [2024-11-09 06:59:14,823 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1317, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1321, PETRI_PLACES=533, PETRI_TRANSITIONS=538} [2024-11-09 06:59:14,824 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -2 predicate places. [2024-11-09 06:59:14,824 INFO L471 AbstractCegarLoop]: Abstraction has has 533 places, 538 transitions, 1321 flow [2024-11-09 06:59:14,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:14,825 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:14,825 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:14,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 06:59:14,825 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:14,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:14,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1864963592, now seen corresponding path program 1 times [2024-11-09 06:59:14,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:14,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248271776] [2024-11-09 06:59:14,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:14,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:59:14,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:14,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248271776] [2024-11-09 06:59:14,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248271776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:14,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:14,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:59:14,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513646682] [2024-11-09 06:59:14,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:14,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:59:14,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:14,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:59:14,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:59:14,960 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 580 [2024-11-09 06:59:14,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 538 transitions, 1321 flow. Second operand has 4 states, 4 states have (on average 544.5) internal successors, (2178), 4 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:14,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:14,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 580 [2024-11-09 06:59:14,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:16,071 INFO L124 PetriNetUnfolderBase]: 197/4935 cut-off events. [2024-11-09 06:59:16,072 INFO L125 PetriNetUnfolderBase]: For 97/304 co-relation queries the response was YES. [2024-11-09 06:59:16,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5635 conditions, 4935 events. 197/4935 cut-off events. For 97/304 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 40065 event pairs, 45 based on Foata normal form. 4/4378 useless extension candidates. Maximal degree in co-relation 5304. Up to 105 conditions per place. [2024-11-09 06:59:16,121 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 25 selfloop transitions, 4 changer transitions 0/552 dead transitions. [2024-11-09 06:59:16,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 552 transitions, 1415 flow [2024-11-09 06:59:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:59:16,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 06:59:16,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2745 transitions. [2024-11-09 06:59:16,124 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.946551724137931 [2024-11-09 06:59:16,124 INFO L175 Difference]: Start difference. First operand has 533 places, 538 transitions, 1321 flow. Second operand 5 states and 2745 transitions. [2024-11-09 06:59:16,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 552 transitions, 1415 flow [2024-11-09 06:59:16,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 552 transitions, 1411 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:16,131 INFO L231 Difference]: Finished difference. Result has 538 places, 540 transitions, 1342 flow [2024-11-09 06:59:16,132 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1313, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1342, PETRI_PLACES=538, PETRI_TRANSITIONS=540} [2024-11-09 06:59:16,132 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 3 predicate places. [2024-11-09 06:59:16,133 INFO L471 AbstractCegarLoop]: Abstraction has has 538 places, 540 transitions, 1342 flow [2024-11-09 06:59:16,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 544.5) internal successors, (2178), 4 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:16,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:16,134 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:16,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 06:59:16,134 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:16,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:16,134 INFO L85 PathProgramCache]: Analyzing trace with hash 406344603, now seen corresponding path program 1 times [2024-11-09 06:59:16,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:16,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836721569] [2024-11-09 06:59:16,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:16,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:59:16,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:16,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836721569] [2024-11-09 06:59:16,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836721569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:16,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:16,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:16,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061309470] [2024-11-09 06:59:16,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:16,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:16,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:16,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:16,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:16,222 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-09 06:59:16,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 540 transitions, 1342 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:16,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:16,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-09 06:59:16,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:17,727 INFO L124 PetriNetUnfolderBase]: 293/6588 cut-off events. [2024-11-09 06:59:17,727 INFO L125 PetriNetUnfolderBase]: For 202/735 co-relation queries the response was YES. [2024-11-09 06:59:17,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7495 conditions, 6588 events. 293/6588 cut-off events. For 202/735 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 60811 event pairs, 86 based on Foata normal form. 7/5815 useless extension candidates. Maximal degree in co-relation 7162. Up to 213 conditions per place. [2024-11-09 06:59:17,882 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 17 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2024-11-09 06:59:17,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 541 transitions, 1384 flow [2024-11-09 06:59:17,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:17,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:17,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-09 06:59:17,884 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-09 06:59:17,884 INFO L175 Difference]: Start difference. First operand has 538 places, 540 transitions, 1342 flow. Second operand 3 states and 1641 transitions. [2024-11-09 06:59:17,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 541 transitions, 1384 flow [2024-11-09 06:59:17,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 541 transitions, 1384 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:59:17,892 INFO L231 Difference]: Finished difference. Result has 539 places, 539 transitions, 1344 flow [2024-11-09 06:59:17,893 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1340, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1344, PETRI_PLACES=539, PETRI_TRANSITIONS=539} [2024-11-09 06:59:17,893 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 4 predicate places. [2024-11-09 06:59:17,893 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 539 transitions, 1344 flow [2024-11-09 06:59:17,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:17,894 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:17,894 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:17,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 06:59:17,894 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:17,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:17,894 INFO L85 PathProgramCache]: Analyzing trace with hash -474574598, now seen corresponding path program 1 times [2024-11-09 06:59:17,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:17,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451640164] [2024-11-09 06:59:17,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:17,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:18,307 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 06:59:18,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:18,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451640164] [2024-11-09 06:59:18,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451640164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:59:18,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644478447] [2024-11-09 06:59:18,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:18,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:59:18,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:59:18,311 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:59:18,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:59:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:18,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 06:59:18,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:59:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 06:59:18,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:59:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 06:59:18,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644478447] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:59:18,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:59:18,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-09 06:59:18,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259391360] [2024-11-09 06:59:18,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:59:18,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 06:59:18,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:18,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 06:59:18,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-09 06:59:19,544 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 580 [2024-11-09 06:59:19,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 539 transitions, 1344 flow. Second operand has 22 states, 22 states have (on average 518.1363636363636) internal successors, (11399), 22 states have internal predecessors, (11399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:19,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:19,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 580 [2024-11-09 06:59:19,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:20,444 INFO L124 PetriNetUnfolderBase]: 58/2446 cut-off events. [2024-11-09 06:59:20,445 INFO L125 PetriNetUnfolderBase]: For 78/97 co-relation queries the response was YES. [2024-11-09 06:59:20,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2908 conditions, 2446 events. 58/2446 cut-off events. For 78/97 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 14443 event pairs, 7 based on Foata normal form. 6/2225 useless extension candidates. Maximal degree in co-relation 2674. Up to 44 conditions per place. [2024-11-09 06:59:20,493 INFO L140 encePairwiseOnDemand]: 550/580 looper letters, 36 selfloop transitions, 57 changer transitions 0/569 dead transitions. [2024-11-09 06:59:20,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 569 transitions, 1674 flow [2024-11-09 06:59:20,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 06:59:20,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-09 06:59:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 8854 transitions. [2024-11-09 06:59:20,503 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.897971602434077 [2024-11-09 06:59:20,503 INFO L175 Difference]: Start difference. First operand has 539 places, 539 transitions, 1344 flow. Second operand 17 states and 8854 transitions. [2024-11-09 06:59:20,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 569 transitions, 1674 flow [2024-11-09 06:59:20,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 569 transitions, 1670 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:20,511 INFO L231 Difference]: Finished difference. Result has 556 places, 560 transitions, 1616 flow [2024-11-09 06:59:20,511 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1340, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1616, PETRI_PLACES=556, PETRI_TRANSITIONS=560} [2024-11-09 06:59:20,512 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 21 predicate places. [2024-11-09 06:59:20,512 INFO L471 AbstractCegarLoop]: Abstraction has has 556 places, 560 transitions, 1616 flow [2024-11-09 06:59:20,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 518.1363636363636) internal successors, (11399), 22 states have internal predecessors, (11399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:20,514 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:20,514 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:20,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 06:59:20,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:59:20,715 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:20,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:20,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1323108902, now seen corresponding path program 2 times [2024-11-09 06:59:20,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:20,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455769837] [2024-11-09 06:59:20,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:20,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 06:59:21,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:21,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455769837] [2024-11-09 06:59:21,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455769837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:21,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:21,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:59:21,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817465007] [2024-11-09 06:59:21,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:21,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:59:21,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:21,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:59:21,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:59:21,750 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-09 06:59:21,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 560 transitions, 1616 flow. Second operand has 6 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:21,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:21,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-09 06:59:21,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:22,667 INFO L124 PetriNetUnfolderBase]: 153/3886 cut-off events. [2024-11-09 06:59:22,667 INFO L125 PetriNetUnfolderBase]: For 189/453 co-relation queries the response was YES. [2024-11-09 06:59:22,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4667 conditions, 3886 events. 153/3886 cut-off events. For 189/453 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 27267 event pairs, 17 based on Foata normal form. 16/3506 useless extension candidates. Maximal degree in co-relation 4426. Up to 139 conditions per place. [2024-11-09 06:59:22,755 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 30 selfloop transitions, 6 changer transitions 0/567 dead transitions. [2024-11-09 06:59:22,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 567 transitions, 1710 flow [2024-11-09 06:59:22,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:59:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:59:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3210 transitions. [2024-11-09 06:59:22,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224137931034483 [2024-11-09 06:59:22,757 INFO L175 Difference]: Start difference. First operand has 556 places, 560 transitions, 1616 flow. Second operand 6 states and 3210 transitions. [2024-11-09 06:59:22,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 567 transitions, 1710 flow [2024-11-09 06:59:22,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 567 transitions, 1632 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-09 06:59:22,765 INFO L231 Difference]: Finished difference. Result has 552 places, 559 transitions, 1548 flow [2024-11-09 06:59:22,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1536, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1548, PETRI_PLACES=552, PETRI_TRANSITIONS=559} [2024-11-09 06:59:22,766 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 17 predicate places. [2024-11-09 06:59:22,766 INFO L471 AbstractCegarLoop]: Abstraction has has 552 places, 559 transitions, 1548 flow [2024-11-09 06:59:22,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:22,767 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:22,767 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:22,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 06:59:22,767 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:22,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:22,768 INFO L85 PathProgramCache]: Analyzing trace with hash -708276578, now seen corresponding path program 1 times [2024-11-09 06:59:22,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:22,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659576953] [2024-11-09 06:59:22,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:22,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 06:59:22,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:22,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659576953] [2024-11-09 06:59:22,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659576953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:22,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:22,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:22,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646314252] [2024-11-09 06:59:22,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:22,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:22,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:22,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:22,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:22,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 580 [2024-11-09 06:59:22,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 559 transitions, 1548 flow. Second operand has 3 states, 3 states have (on average 541.0) internal successors, (1623), 3 states have internal predecessors, (1623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:22,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:22,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 580 [2024-11-09 06:59:22,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:24,332 INFO L124 PetriNetUnfolderBase]: 344/6028 cut-off events. [2024-11-09 06:59:24,332 INFO L125 PetriNetUnfolderBase]: For 319/360 co-relation queries the response was YES. [2024-11-09 06:59:24,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7073 conditions, 6028 events. 344/6028 cut-off events. For 319/360 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 54287 event pairs, 84 based on Foata normal form. 24/5339 useless extension candidates. Maximal degree in co-relation 6560. Up to 316 conditions per place. [2024-11-09 06:59:24,389 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 13 selfloop transitions, 4 changer transitions 12/561 dead transitions. [2024-11-09 06:59:24,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 561 transitions, 1592 flow [2024-11-09 06:59:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:24,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-09 06:59:24,390 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-09 06:59:24,390 INFO L175 Difference]: Start difference. First operand has 552 places, 559 transitions, 1548 flow. Second operand 3 states and 1639 transitions. [2024-11-09 06:59:24,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 561 transitions, 1592 flow [2024-11-09 06:59:24,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 561 transitions, 1580 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:59:24,398 INFO L231 Difference]: Finished difference. Result has 548 places, 547 transitions, 1529 flow [2024-11-09 06:59:24,398 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1530, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=552, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1529, PETRI_PLACES=548, PETRI_TRANSITIONS=547} [2024-11-09 06:59:24,399 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 13 predicate places. [2024-11-09 06:59:24,399 INFO L471 AbstractCegarLoop]: Abstraction has has 548 places, 547 transitions, 1529 flow [2024-11-09 06:59:24,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 541.0) internal successors, (1623), 3 states have internal predecessors, (1623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:24,399 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:24,400 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:24,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 06:59:24,400 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:24,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:24,400 INFO L85 PathProgramCache]: Analyzing trace with hash 940748976, now seen corresponding path program 1 times [2024-11-09 06:59:24,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:24,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863427537] [2024-11-09 06:59:24,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:24,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:25,189 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 06:59:25,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:25,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863427537] [2024-11-09 06:59:25,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863427537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:25,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:25,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:59:25,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800729612] [2024-11-09 06:59:25,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:25,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:59:25,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:25,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:59:25,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:59:25,460 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-09 06:59:25,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 547 transitions, 1529 flow. Second operand has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:25,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:25,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-09 06:59:25,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:26,508 INFO L124 PetriNetUnfolderBase]: 160/4421 cut-off events. [2024-11-09 06:59:26,509 INFO L125 PetriNetUnfolderBase]: For 223/260 co-relation queries the response was YES. [2024-11-09 06:59:26,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5458 conditions, 4421 events. 160/4421 cut-off events. For 223/260 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 32579 event pairs, 22 based on Foata normal form. 8/4058 useless extension candidates. Maximal degree in co-relation 5392. Up to 126 conditions per place. [2024-11-09 06:59:26,567 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/554 dead transitions. [2024-11-09 06:59:26,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 554 transitions, 1621 flow [2024-11-09 06:59:26,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:59:26,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:59:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-11-09 06:59:26,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-11-09 06:59:26,569 INFO L175 Difference]: Start difference. First operand has 548 places, 547 transitions, 1529 flow. Second operand 6 states and 3209 transitions. [2024-11-09 06:59:26,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 554 transitions, 1621 flow [2024-11-09 06:59:26,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 554 transitions, 1613 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:26,580 INFO L231 Difference]: Finished difference. Result has 539 places, 546 transitions, 1531 flow [2024-11-09 06:59:26,581 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1519, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1531, PETRI_PLACES=539, PETRI_TRANSITIONS=546} [2024-11-09 06:59:26,581 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 4 predicate places. [2024-11-09 06:59:26,581 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 546 transitions, 1531 flow [2024-11-09 06:59:26,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:26,582 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:26,582 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:26,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 06:59:26,582 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:26,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:26,583 INFO L85 PathProgramCache]: Analyzing trace with hash -197287683, now seen corresponding path program 1 times [2024-11-09 06:59:26,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:26,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969774246] [2024-11-09 06:59:26,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:26,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 06:59:26,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:26,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969774246] [2024-11-09 06:59:26,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969774246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:26,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:26,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:26,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776948645] [2024-11-09 06:59:26,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:26,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:26,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:26,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:26,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:26,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-09 06:59:26,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 546 transitions, 1531 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:26,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:26,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-09 06:59:26,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:29,216 INFO L124 PetriNetUnfolderBase]: 480/10385 cut-off events. [2024-11-09 06:59:29,216 INFO L125 PetriNetUnfolderBase]: For 298/315 co-relation queries the response was YES. [2024-11-09 06:59:29,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12050 conditions, 10385 events. 480/10385 cut-off events. For 298/315 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 107036 event pairs, 141 based on Foata normal form. 1/9408 useless extension candidates. Maximal degree in co-relation 11536. Up to 573 conditions per place. [2024-11-09 06:59:29,334 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/549 dead transitions. [2024-11-09 06:59:29,334 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 549 transitions, 1570 flow [2024-11-09 06:59:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-11-09 06:59:29,336 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-11-09 06:59:29,336 INFO L175 Difference]: Start difference. First operand has 539 places, 546 transitions, 1531 flow. Second operand 3 states and 1649 transitions. [2024-11-09 06:59:29,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 549 transitions, 1570 flow [2024-11-09 06:59:29,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 549 transitions, 1558 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:59:29,345 INFO L231 Difference]: Finished difference. Result has 535 places, 546 transitions, 1529 flow [2024-11-09 06:59:29,346 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1515, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1529, PETRI_PLACES=535, PETRI_TRANSITIONS=546} [2024-11-09 06:59:29,347 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 0 predicate places. [2024-11-09 06:59:29,347 INFO L471 AbstractCegarLoop]: Abstraction has has 535 places, 546 transitions, 1529 flow [2024-11-09 06:59:29,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:29,348 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:29,348 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:29,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 06:59:29,348 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:29,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:29,349 INFO L85 PathProgramCache]: Analyzing trace with hash 937939534, now seen corresponding path program 1 times [2024-11-09 06:59:29,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:29,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873429945] [2024-11-09 06:59:29,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:29,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 06:59:29,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:29,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873429945] [2024-11-09 06:59:29,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873429945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:29,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:29,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:59:29,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697386493] [2024-11-09 06:59:29,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:29,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:59:29,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:29,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:59:29,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:59:29,531 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 580 [2024-11-09 06:59:29,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 546 transitions, 1529 flow. Second operand has 4 states, 4 states have (on average 544.75) internal successors, (2179), 4 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:29,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:29,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 580 [2024-11-09 06:59:29,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:31,719 INFO L124 PetriNetUnfolderBase]: 464/8938 cut-off events. [2024-11-09 06:59:31,720 INFO L125 PetriNetUnfolderBase]: For 450/487 co-relation queries the response was YES. [2024-11-09 06:59:31,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10867 conditions, 8938 events. 464/8938 cut-off events. For 450/487 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 94394 event pairs, 188 based on Foata normal form. 0/7998 useless extension candidates. Maximal degree in co-relation 10353. Up to 519 conditions per place. [2024-11-09 06:59:31,837 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 20 selfloop transitions, 4 changer transitions 0/556 dead transitions. [2024-11-09 06:59:31,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 556 transitions, 1601 flow [2024-11-09 06:59:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:59:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 06:59:31,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2740 transitions. [2024-11-09 06:59:31,842 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9448275862068966 [2024-11-09 06:59:31,842 INFO L175 Difference]: Start difference. First operand has 535 places, 546 transitions, 1529 flow. Second operand 5 states and 2740 transitions. [2024-11-09 06:59:31,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 556 transitions, 1601 flow [2024-11-09 06:59:31,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 556 transitions, 1601 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:59:31,854 INFO L231 Difference]: Finished difference. Result has 542 places, 548 transitions, 1554 flow [2024-11-09 06:59:31,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1525, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1554, PETRI_PLACES=542, PETRI_TRANSITIONS=548} [2024-11-09 06:59:31,856 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 7 predicate places. [2024-11-09 06:59:31,856 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 548 transitions, 1554 flow [2024-11-09 06:59:31,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 544.75) internal successors, (2179), 4 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:31,857 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:31,857 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:31,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 06:59:31,858 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:31,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:31,858 INFO L85 PathProgramCache]: Analyzing trace with hash 170838224, now seen corresponding path program 1 times [2024-11-09 06:59:31,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:31,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170021711] [2024-11-09 06:59:31,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:31,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:32,582 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 06:59:32,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:32,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170021711] [2024-11-09 06:59:32,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170021711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:32,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:32,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:59:32,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953801588] [2024-11-09 06:59:32,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:32,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:59:32,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:32,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:59:32,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:59:32,872 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-09 06:59:32,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 548 transitions, 1554 flow. Second operand has 6 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:32,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:32,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-09 06:59:32,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:35,244 INFO L124 PetriNetUnfolderBase]: 462/8687 cut-off events. [2024-11-09 06:59:35,245 INFO L125 PetriNetUnfolderBase]: For 706/757 co-relation queries the response was YES. [2024-11-09 06:59:35,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11117 conditions, 8687 events. 462/8687 cut-off events. For 706/757 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 90455 event pairs, 78 based on Foata normal form. 0/7980 useless extension candidates. Maximal degree in co-relation 10538. Up to 282 conditions per place. [2024-11-09 06:59:35,409 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/555 dead transitions. [2024-11-09 06:59:35,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 555 transitions, 1646 flow [2024-11-09 06:59:35,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:59:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:59:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-11-09 06:59:35,411 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-11-09 06:59:35,411 INFO L175 Difference]: Start difference. First operand has 542 places, 548 transitions, 1554 flow. Second operand 6 states and 3209 transitions. [2024-11-09 06:59:35,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 555 transitions, 1646 flow [2024-11-09 06:59:35,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 555 transitions, 1646 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:59:35,420 INFO L231 Difference]: Finished difference. Result has 546 places, 547 transitions, 1564 flow [2024-11-09 06:59:35,420 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1564, PETRI_PLACES=546, PETRI_TRANSITIONS=547} [2024-11-09 06:59:35,421 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 11 predicate places. [2024-11-09 06:59:35,421 INFO L471 AbstractCegarLoop]: Abstraction has has 546 places, 547 transitions, 1564 flow [2024-11-09 06:59:35,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:35,421 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:35,421 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:35,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 06:59:35,422 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:35,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:35,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1051757425, now seen corresponding path program 1 times [2024-11-09 06:59:35,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:35,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938399862] [2024-11-09 06:59:35,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:35,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:35,511 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 06:59:35,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:35,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938399862] [2024-11-09 06:59:35,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938399862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:35,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:35,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:35,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039407413] [2024-11-09 06:59:35,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:35,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:35,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:35,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:35,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:35,532 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-09 06:59:35,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 547 transitions, 1564 flow. Second operand has 3 states, 3 states have (on average 543.6666666666666) internal successors, (1631), 3 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:35,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:35,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-09 06:59:35,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:37,700 INFO L124 PetriNetUnfolderBase]: 676/8755 cut-off events. [2024-11-09 06:59:37,700 INFO L125 PetriNetUnfolderBase]: For 1131/1172 co-relation queries the response was YES. [2024-11-09 06:59:37,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11996 conditions, 8755 events. 676/8755 cut-off events. For 1131/1172 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 94155 event pairs, 366 based on Foata normal form. 0/8004 useless extension candidates. Maximal degree in co-relation 11478. Up to 936 conditions per place. [2024-11-09 06:59:37,821 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 14 selfloop transitions, 2 changer transitions 1/548 dead transitions. [2024-11-09 06:59:37,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 548 transitions, 1602 flow [2024-11-09 06:59:37,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:37,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:37,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-09 06:59:37,822 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-09 06:59:37,822 INFO L175 Difference]: Start difference. First operand has 546 places, 547 transitions, 1564 flow. Second operand 3 states and 1639 transitions. [2024-11-09 06:59:37,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 548 transitions, 1602 flow [2024-11-09 06:59:37,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 548 transitions, 1590 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:59:37,832 INFO L231 Difference]: Finished difference. Result has 542 places, 546 transitions, 1554 flow [2024-11-09 06:59:37,833 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1550, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1554, PETRI_PLACES=542, PETRI_TRANSITIONS=546} [2024-11-09 06:59:37,833 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 7 predicate places. [2024-11-09 06:59:37,833 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 546 transitions, 1554 flow [2024-11-09 06:59:37,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.6666666666666) internal successors, (1631), 3 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:37,834 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:37,834 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:37,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 06:59:37,834 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:37,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:37,835 INFO L85 PathProgramCache]: Analyzing trace with hash -2106410495, now seen corresponding path program 1 times [2024-11-09 06:59:37,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:37,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913294810] [2024-11-09 06:59:37,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:37,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:38,454 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 06:59:38,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:38,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913294810] [2024-11-09 06:59:38,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913294810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:38,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:38,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:59:38,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625623933] [2024-11-09 06:59:38,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:38,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:59:38,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:38,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:59:38,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:59:38,725 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-09 06:59:38,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 546 transitions, 1554 flow. Second operand has 6 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:38,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:38,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-09 06:59:38,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:40,412 INFO L124 PetriNetUnfolderBase]: 216/6466 cut-off events. [2024-11-09 06:59:40,412 INFO L125 PetriNetUnfolderBase]: For 345/427 co-relation queries the response was YES. [2024-11-09 06:59:40,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8091 conditions, 6466 events. 216/6466 cut-off events. For 345/427 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 55152 event pairs, 39 based on Foata normal form. 2/6077 useless extension candidates. Maximal degree in co-relation 7905. Up to 152 conditions per place. [2024-11-09 06:59:40,527 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/553 dead transitions. [2024-11-09 06:59:40,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 553 transitions, 1646 flow [2024-11-09 06:59:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:59:40,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:59:40,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-11-09 06:59:40,530 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-11-09 06:59:40,530 INFO L175 Difference]: Start difference. First operand has 542 places, 546 transitions, 1554 flow. Second operand 6 states and 3209 transitions. [2024-11-09 06:59:40,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 553 transitions, 1646 flow [2024-11-09 06:59:40,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 553 transitions, 1642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:40,538 INFO L231 Difference]: Finished difference. Result has 544 places, 545 transitions, 1560 flow [2024-11-09 06:59:40,539 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1548, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1560, PETRI_PLACES=544, PETRI_TRANSITIONS=545} [2024-11-09 06:59:40,539 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 9 predicate places. [2024-11-09 06:59:40,539 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 545 transitions, 1560 flow [2024-11-09 06:59:40,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:40,540 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:40,540 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:40,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 06:59:40,540 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:40,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:40,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1514935561, now seen corresponding path program 1 times [2024-11-09 06:59:40,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:40,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210431655] [2024-11-09 06:59:40,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:40,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 06:59:41,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:41,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210431655] [2024-11-09 06:59:41,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210431655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:41,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:41,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:59:41,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845614725] [2024-11-09 06:59:41,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:41,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:59:41,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:41,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:59:41,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:59:41,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-09 06:59:41,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 545 transitions, 1560 flow. Second operand has 6 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:41,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:41,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-09 06:59:41,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:43,539 INFO L124 PetriNetUnfolderBase]: 512/8653 cut-off events. [2024-11-09 06:59:43,539 INFO L125 PetriNetUnfolderBase]: For 775/816 co-relation queries the response was YES. [2024-11-09 06:59:43,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11257 conditions, 8653 events. 512/8653 cut-off events. For 775/816 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 90197 event pairs, 76 based on Foata normal form. 8/8123 useless extension candidates. Maximal degree in co-relation 10678. Up to 320 conditions per place. [2024-11-09 06:59:43,672 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/552 dead transitions. [2024-11-09 06:59:43,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 552 transitions, 1652 flow [2024-11-09 06:59:43,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:59:43,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:59:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-11-09 06:59:43,674 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-11-09 06:59:43,674 INFO L175 Difference]: Start difference. First operand has 544 places, 545 transitions, 1560 flow. Second operand 6 states and 3209 transitions. [2024-11-09 06:59:43,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 552 transitions, 1652 flow [2024-11-09 06:59:43,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 552 transitions, 1640 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:59:43,683 INFO L231 Difference]: Finished difference. Result has 543 places, 544 transitions, 1558 flow [2024-11-09 06:59:43,683 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1546, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1558, PETRI_PLACES=543, PETRI_TRANSITIONS=544} [2024-11-09 06:59:43,683 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 8 predicate places. [2024-11-09 06:59:43,684 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 544 transitions, 1558 flow [2024-11-09 06:59:43,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:43,684 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:43,684 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:43,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 06:59:43,684 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:43,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:43,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1084612448, now seen corresponding path program 1 times [2024-11-09 06:59:43,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:43,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668032509] [2024-11-09 06:59:43,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:43,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:43,779 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 06:59:43,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:43,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668032509] [2024-11-09 06:59:43,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668032509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:43,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:43,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:43,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211429138] [2024-11-09 06:59:43,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:43,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:43,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:43,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:43,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:43,801 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-09 06:59:43,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 544 transitions, 1558 flow. Second operand has 3 states, 3 states have (on average 542.6666666666666) internal successors, (1628), 3 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:43,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:43,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-09 06:59:43,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:45,997 INFO L124 PetriNetUnfolderBase]: 226/7968 cut-off events. [2024-11-09 06:59:45,997 INFO L125 PetriNetUnfolderBase]: For 376/602 co-relation queries the response was YES. [2024-11-09 06:59:46,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10222 conditions, 7968 events. 226/7968 cut-off events. For 376/602 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 73685 event pairs, 84 based on Foata normal form. 10/7639 useless extension candidates. Maximal degree in co-relation 10060. Up to 301 conditions per place. [2024-11-09 06:59:46,086 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 14 selfloop transitions, 3 changer transitions 0/545 dead transitions. [2024-11-09 06:59:46,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 545 transitions, 1596 flow [2024-11-09 06:59:46,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:46,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:46,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-09 06:59:46,088 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-09 06:59:46,088 INFO L175 Difference]: Start difference. First operand has 543 places, 544 transitions, 1558 flow. Second operand 3 states and 1639 transitions. [2024-11-09 06:59:46,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 545 transitions, 1596 flow [2024-11-09 06:59:46,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 545 transitions, 1584 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:59:46,097 INFO L231 Difference]: Finished difference. Result has 539 places, 543 transitions, 1550 flow [2024-11-09 06:59:46,098 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1544, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1550, PETRI_PLACES=539, PETRI_TRANSITIONS=543} [2024-11-09 06:59:46,098 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 4 predicate places. [2024-11-09 06:59:46,098 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 543 transitions, 1550 flow [2024-11-09 06:59:46,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 542.6666666666666) internal successors, (1628), 3 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:46,098 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:46,099 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:46,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 06:59:46,099 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:46,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:46,100 INFO L85 PathProgramCache]: Analyzing trace with hash 489840561, now seen corresponding path program 1 times [2024-11-09 06:59:46,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:46,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367640801] [2024-11-09 06:59:46,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:46,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 06:59:46,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:46,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367640801] [2024-11-09 06:59:46,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367640801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:46,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:46,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:46,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125119909] [2024-11-09 06:59:46,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:46,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:46,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:46,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:46,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:46,216 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-09 06:59:46,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 543 transitions, 1550 flow. Second operand has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:46,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:46,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-09 06:59:46,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:48,606 INFO L124 PetriNetUnfolderBase]: 325/8405 cut-off events. [2024-11-09 06:59:48,606 INFO L125 PetriNetUnfolderBase]: For 458/595 co-relation queries the response was YES. [2024-11-09 06:59:48,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10474 conditions, 8405 events. 325/8405 cut-off events. For 458/595 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 80731 event pairs, 166 based on Foata normal form. 0/7984 useless extension candidates. Maximal degree in co-relation 9956. Up to 367 conditions per place. [2024-11-09 06:59:48,842 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 14 selfloop transitions, 3 changer transitions 0/544 dead transitions. [2024-11-09 06:59:48,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 544 transitions, 1588 flow [2024-11-09 06:59:48,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:48,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:48,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-09 06:59:48,844 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-09 06:59:48,844 INFO L175 Difference]: Start difference. First operand has 539 places, 543 transitions, 1550 flow. Second operand 3 states and 1639 transitions. [2024-11-09 06:59:48,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 544 transitions, 1588 flow [2024-11-09 06:59:48,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 544 transitions, 1582 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:48,855 INFO L231 Difference]: Finished difference. Result has 538 places, 542 transitions, 1548 flow [2024-11-09 06:59:48,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1548, PETRI_PLACES=538, PETRI_TRANSITIONS=542} [2024-11-09 06:59:48,856 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 3 predicate places. [2024-11-09 06:59:48,856 INFO L471 AbstractCegarLoop]: Abstraction has has 538 places, 542 transitions, 1548 flow [2024-11-09 06:59:48,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:48,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:48,856 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:48,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 06:59:48,856 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-09 06:59:48,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:48,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1467535911, now seen corresponding path program 1 times [2024-11-09 06:59:48,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:48,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500912699] [2024-11-09 06:59:48,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:48,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 06:59:48,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:48,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500912699] [2024-11-09 06:59:48,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500912699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:48,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:48,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:48,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89388251] [2024-11-09 06:59:48,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:48,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:48,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:48,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:48,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:48,972 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-09 06:59:48,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 542 transitions, 1548 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:48,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:48,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-09 06:59:48,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:51,314 INFO L124 PetriNetUnfolderBase]: 620/8668 cut-off events. [2024-11-09 06:59:51,314 INFO L125 PetriNetUnfolderBase]: For 886/915 co-relation queries the response was YES. [2024-11-09 06:59:51,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11419 conditions, 8668 events. 620/8668 cut-off events. For 886/915 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 92841 event pairs, 344 based on Foata normal form. 0/8155 useless extension candidates. Maximal degree in co-relation 10901. Up to 890 conditions per place. [2024-11-09 06:59:51,466 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 0 selfloop transitions, 0 changer transitions 543/543 dead transitions. [2024-11-09 06:59:51,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 543 transitions, 1586 flow [2024-11-09 06:59:51,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:51,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-09 06:59:51,468 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-09 06:59:51,468 INFO L175 Difference]: Start difference. First operand has 538 places, 542 transitions, 1548 flow. Second operand 3 states and 1639 transitions. [2024-11-09 06:59:51,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 543 transitions, 1586 flow [2024-11-09 06:59:51,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 543 transitions, 1580 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:51,475 INFO L231 Difference]: Finished difference. Result has 537 places, 0 transitions, 0 flow [2024-11-09 06:59:51,476 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1540, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=537, PETRI_TRANSITIONS=0} [2024-11-09 06:59:51,476 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 2 predicate places. [2024-11-09 06:59:51,476 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 0 transitions, 0 flow [2024-11-09 06:59:51,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:51,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (80 of 81 remaining) [2024-11-09 06:59:51,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (79 of 81 remaining) [2024-11-09 06:59:51,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (78 of 81 remaining) [2024-11-09 06:59:51,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (77 of 81 remaining) [2024-11-09 06:59:51,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (76 of 81 remaining) [2024-11-09 06:59:51,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (75 of 81 remaining) [2024-11-09 06:59:51,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (69 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (68 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (67 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (66 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (63 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (61 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (60 of 81 remaining) [2024-11-09 06:59:51,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (59 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (58 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (57 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (56 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (55 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (54 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (53 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (52 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (50 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (49 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (48 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 81 remaining) [2024-11-09 06:59:51,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 81 remaining) [2024-11-09 06:59:51,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 81 remaining) [2024-11-09 06:59:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 81 remaining) [2024-11-09 06:59:51,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 81 remaining) [2024-11-09 06:59:51,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 81 remaining) [2024-11-09 06:59:51,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 06:59:51,485 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:51,490 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 06:59:51,490 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:59:51,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:59:51 BasicIcfg [2024-11-09 06:59:51,494 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:59:51,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:59:51,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:59:51,495 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:59:51,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:58" (3/4) ... [2024-11-09 06:59:51,496 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:59:51,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 06:59:51,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 06:59:51,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-09 06:59:51,504 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-09 06:59:51,504 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 06:59:51,504 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 06:59:51,505 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:59:51,595 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 06:59:51,595 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 06:59:51,595 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:59:51,596 INFO L158 Benchmark]: Toolchain (without parser) took 54752.17ms. Allocated memory was 153.1MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 85.4MB in the beginning and 2.2GB in the end (delta: -2.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-09 06:59:51,596 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:59:51,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.00ms. Allocated memory is still 153.1MB. Free memory was 85.3MB in the beginning and 116.3MB in the end (delta: -31.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 06:59:51,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.69ms. Allocated memory is still 153.1MB. Free memory was 115.7MB in the beginning and 112.1MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:59:51,596 INFO L158 Benchmark]: Boogie Preprocessor took 70.98ms. Allocated memory is still 153.1MB. Free memory was 112.1MB in the beginning and 108.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:59:51,596 INFO L158 Benchmark]: RCFGBuilder took 837.19ms. Allocated memory is still 153.1MB. Free memory was 108.8MB in the beginning and 67.5MB in the end (delta: 41.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 06:59:51,597 INFO L158 Benchmark]: TraceAbstraction took 53342.37ms. Allocated memory was 153.1MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 66.3MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-09 06:59:51,597 INFO L158 Benchmark]: Witness Printer took 100.78ms. Allocated memory is still 3.4GB. Free memory was 2.3GB in the beginning and 2.2GB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 06:59:51,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.00ms. Allocated memory is still 153.1MB. Free memory was 85.3MB in the beginning and 116.3MB in the end (delta: -31.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.69ms. Allocated memory is still 153.1MB. Free memory was 115.7MB in the beginning and 112.1MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.98ms. Allocated memory is still 153.1MB. Free memory was 112.1MB in the beginning and 108.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 837.19ms. Allocated memory is still 153.1MB. Free memory was 108.8MB in the beginning and 67.5MB in the end (delta: 41.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 53342.37ms. Allocated memory was 153.1MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 66.3MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Witness Printer took 100.78ms. Allocated memory is still 3.4GB. Free memory was 2.3GB in the beginning and 2.2GB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 848 locations, 81 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 53.1s, OverallIterations: 37, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 43.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3908 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2553 mSDsluCounter, 1615 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1318 mSDsCounter, 721 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6996 IncrementalHoareTripleChecker+Invalid, 7717 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 721 mSolverCounterUnsat, 297 mSDtfsCounter, 6996 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1514 GetRequests, 1379 SyntacticMatches, 5 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1616occurred in iteration=25, InterpolantAutomatonStates: 162, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 10539 NumberOfCodeBlocks, 10404 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 11025 ConstructedInterpolants, 0 QuantifiedInterpolants, 13337 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1527 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 42 InterpolantComputations, 35 PerfectInterpolantSequences, 6837/7032 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 45 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 06:59:51,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE