./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:55:54,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:55:54,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:55:54,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:55:54,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:55:54,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:55:54,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:55:54,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:55:54,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:55:54,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:55:54,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:55:54,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:55:54,970 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:55:54,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:55:54,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:55:54,973 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:55:54,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:55:54,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:55:54,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:55:54,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:55:54,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:55:54,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:55:54,976 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:55:54,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:55:54,976 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:55:54,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:55:54,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:55:54,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:55:54,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:55:54,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:55:54,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:55:54,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:55:54,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:55:54,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:55:54,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:55:54,979 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:55:54,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:55:54,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:55:54,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:55:54,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:55:54,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:55:54,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 [2024-11-22 17:55:55,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:55:55,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:55:55,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:55:55,220 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:55:55,221 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:55:55,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-11-22 17:55:56,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:55:56,670 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:55:56,670 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-11-22 17:55:56,678 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/046627e4f/2cb56bf63129441c928a98b0e5a4e1b1/FLAG86d52db98 [2024-11-22 17:55:56,690 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/046627e4f/2cb56bf63129441c928a98b0e5a4e1b1 [2024-11-22 17:55:56,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:55:56,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:55:56,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:55:56,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:55:56,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:55:56,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:56,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550aed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56, skipping insertion in model container [2024-11-22 17:55:56,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:56,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:55:56,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:55:56,938 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:55:56,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:55:56,994 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:55:56,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56 WrapperNode [2024-11-22 17:55:56,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:55:56,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:55:56,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:55:56,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:55:57,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:57,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:57,049 INFO L138 Inliner]: procedures = 25, calls = 32, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 442 [2024-11-22 17:55:57,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:55:57,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:55:57,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:55:57,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:55:57,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:57,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:57,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:57,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:57,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:57,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:57,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:57,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:57,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:55:57,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:55:57,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:55:57,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:55:57,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56" (1/1) ... [2024-11-22 17:55:57,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:55:57,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:55:57,151 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) [2024-11-22 17:55:57,156 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 [2024-11-22 17:55:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:55:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-22 17:55:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-22 17:55:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-22 17:55:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-22 17:55:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-22 17:55:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-22 17:55:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:55:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:55:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 17:55:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:55:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:55:57,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:55:57,209 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:55:57,323 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:55:57,325 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:55:57,983 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:55:57,983 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:55:58,010 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:55:58,012 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-22 17:55:58,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:55:58 BoogieIcfgContainer [2024-11-22 17:55:58,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:55:58,014 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:55:58,014 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:55:58,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:55:58,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:55:56" (1/3) ... [2024-11-22 17:55:58,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1f88d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:55:58, skipping insertion in model container [2024-11-22 17:55:58,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:56" (2/3) ... [2024-11-22 17:55:58,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1f88d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:55:58, skipping insertion in model container [2024-11-22 17:55:58,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:55:58" (3/3) ... [2024-11-22 17:55:58,020 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2024-11-22 17:55:58,034 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:55:58,035 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2024-11-22 17:55:58,035 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:55:58,152 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-22 17:55:58,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 557 places, 580 transitions, 1181 flow [2024-11-22 17:55:58,395 INFO L124 PetriNetUnfolderBase]: 33/577 cut-off events. [2024-11-22 17:55:58,396 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:55:58,413 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. [2024-11-22 17:55:58,413 INFO L82 GeneralOperation]: Start removeDead. Operand has 557 places, 580 transitions, 1181 flow [2024-11-22 17:55:58,426 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 535 places, 556 transitions, 1130 flow [2024-11-22 17:55:58,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:55:58,444 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;@7d1247ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:55:58,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2024-11-22 17:55:58,456 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:55:58,456 INFO L124 PetriNetUnfolderBase]: 3/63 cut-off events. [2024-11-22 17:55:58,456 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:55:58,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:58,457 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] [2024-11-22 17:55:58,458 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)] === [2024-11-22 17:55:58,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:58,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1337635061, now seen corresponding path program 1 times [2024-11-22 17:55:58,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:58,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242655857] [2024-11-22 17:55:58,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:58,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:59,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:59,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242655857] [2024-11-22 17:55:59,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242655857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:59,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:59,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:55:59,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007078307] [2024-11-22 17:55:59,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:59,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:55:59,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:59,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:55:59,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:55:59,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 485 out of 580 [2024-11-22 17:55:59,618 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) [2024-11-22 17:55:59,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:59,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 485 of 580 [2024-11-22 17:55:59,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:02,028 INFO L124 PetriNetUnfolderBase]: 2075/15242 cut-off events. [2024-11-22 17:56:02,029 INFO L125 PetriNetUnfolderBase]: For 631/633 co-relation queries the response was YES. [2024-11-22 17:56:02,102 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. [2024-11-22 17:56:02,167 INFO L140 encePairwiseOnDemand]: 541/580 looper letters, 54 selfloop transitions, 15 changer transitions 6/532 dead transitions. [2024-11-22 17:56:02,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 532 transitions, 1220 flow [2024-11-22 17:56:02,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:56:02,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:56:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3003 transitions. [2024-11-22 17:56:02,185 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8629310344827587 [2024-11-22 17:56:02,186 INFO L175 Difference]: Start difference. First operand has 535 places, 556 transitions, 1130 flow. Second operand 6 states and 3003 transitions. [2024-11-22 17:56:02,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 532 transitions, 1220 flow [2024-11-22 17:56:02,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 532 transitions, 1208 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-22 17:56:02,206 INFO L231 Difference]: Finished difference. Result has 531 places, 526 transitions, 1088 flow [2024-11-22 17:56:02,208 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} [2024-11-22 17:56:02,212 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -4 predicate places. [2024-11-22 17:56:02,212 INFO L471 AbstractCegarLoop]: Abstraction has has 531 places, 526 transitions, 1088 flow [2024-11-22 17:56:02,213 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) [2024-11-22 17:56:02,214 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:02,214 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] [2024-11-22 17:56:02,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:56:02,214 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)] === [2024-11-22 17:56:02,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:02,215 INFO L85 PathProgramCache]: Analyzing trace with hash -216004499, now seen corresponding path program 1 times [2024-11-22 17:56:02,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:02,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069107257] [2024-11-22 17:56:02,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:02,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:02,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:02,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069107257] [2024-11-22 17:56:02,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069107257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:02,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:02,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:02,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124563584] [2024-11-22 17:56:02,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:02,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:02,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:02,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:02,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:02,272 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-22 17:56:02,275 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) [2024-11-22 17:56:02,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:02,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-22 17:56:02,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:02,441 INFO L124 PetriNetUnfolderBase]: 19/741 cut-off events. [2024-11-22 17:56:02,441 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-22 17:56:02,446 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. [2024-11-22 17:56:02,448 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/525 dead transitions. [2024-11-22 17:56:02,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 525 transitions, 1112 flow [2024-11-22 17:56:02,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-22 17:56:02,453 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-22 17:56:02,453 INFO L175 Difference]: Start difference. First operand has 531 places, 526 transitions, 1088 flow. Second operand 3 states and 1640 transitions. [2024-11-22 17:56:02,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 525 transitions, 1112 flow [2024-11-22 17:56:02,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 525 transitions, 1082 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:56:02,462 INFO L231 Difference]: Finished difference. Result has 521 places, 525 transitions, 1060 flow [2024-11-22 17:56:02,463 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} [2024-11-22 17:56:02,463 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -14 predicate places. [2024-11-22 17:56:02,463 INFO L471 AbstractCegarLoop]: Abstraction has has 521 places, 525 transitions, 1060 flow [2024-11-22 17:56:02,464 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) [2024-11-22 17:56:02,464 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:02,464 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] [2024-11-22 17:56:02,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:56:02,465 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)] === [2024-11-22 17:56:02,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:02,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1801895061, now seen corresponding path program 1 times [2024-11-22 17:56:02,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:02,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382335724] [2024-11-22 17:56:02,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:02,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:02,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:02,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382335724] [2024-11-22 17:56:02,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382335724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:02,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:02,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:02,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55015729] [2024-11-22 17:56:02,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:02,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:02,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:02,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:02,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:02,532 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-22 17:56:02,534 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) [2024-11-22 17:56:02,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:02,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-22 17:56:02,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:02,638 INFO L124 PetriNetUnfolderBase]: 25/947 cut-off events. [2024-11-22 17:56:02,638 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-22 17:56:02,646 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. [2024-11-22 17:56:02,650 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/524 dead transitions. [2024-11-22 17:56:02,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 524 transitions, 1084 flow [2024-11-22 17:56:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:02,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:02,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-22 17:56:02,653 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-22 17:56:02,653 INFO L175 Difference]: Start difference. First operand has 521 places, 525 transitions, 1060 flow. Second operand 3 states and 1640 transitions. [2024-11-22 17:56:02,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 524 transitions, 1084 flow [2024-11-22 17:56:02,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 524 transitions, 1080 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:02,660 INFO L231 Difference]: Finished difference. Result has 520 places, 524 transitions, 1058 flow [2024-11-22 17:56:02,661 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} [2024-11-22 17:56:02,662 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -15 predicate places. [2024-11-22 17:56:02,662 INFO L471 AbstractCegarLoop]: Abstraction has has 520 places, 524 transitions, 1058 flow [2024-11-22 17:56:02,664 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) [2024-11-22 17:56:02,664 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:02,664 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] [2024-11-22 17:56:02,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:56:02,664 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)] === [2024-11-22 17:56:02,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:02,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1350194626, now seen corresponding path program 1 times [2024-11-22 17:56:02,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:02,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311178698] [2024-11-22 17:56:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:02,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:02,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:02,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:02,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311178698] [2024-11-22 17:56:02,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311178698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:02,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:02,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:02,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102081152] [2024-11-22 17:56:02,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:02,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:02,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:02,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:02,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:02,742 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-22 17:56:02,744 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) [2024-11-22 17:56:02,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:02,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-22 17:56:02,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:02,812 INFO L124 PetriNetUnfolderBase]: 19/637 cut-off events. [2024-11-22 17:56:02,812 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-22 17:56:02,818 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. [2024-11-22 17:56:02,821 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/523 dead transitions. [2024-11-22 17:56:02,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 523 transitions, 1082 flow [2024-11-22 17:56:02,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:02,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-22 17:56:02,824 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-22 17:56:02,824 INFO L175 Difference]: Start difference. First operand has 520 places, 524 transitions, 1058 flow. Second operand 3 states and 1640 transitions. [2024-11-22 17:56:02,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 523 transitions, 1082 flow [2024-11-22 17:56:02,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 523 transitions, 1078 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:02,830 INFO L231 Difference]: Finished difference. Result has 519 places, 523 transitions, 1056 flow [2024-11-22 17:56:02,831 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} [2024-11-22 17:56:02,832 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -16 predicate places. [2024-11-22 17:56:02,833 INFO L471 AbstractCegarLoop]: Abstraction has has 519 places, 523 transitions, 1056 flow [2024-11-22 17:56:02,834 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) [2024-11-22 17:56:02,834 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:02,834 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] [2024-11-22 17:56:02,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:56:02,836 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)] === [2024-11-22 17:56:02,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:02,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1074483581, now seen corresponding path program 1 times [2024-11-22 17:56:02,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:02,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627733685] [2024-11-22 17:56:02,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:02,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:02,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:02,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627733685] [2024-11-22 17:56:02,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627733685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:02,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:02,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:02,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555169377] [2024-11-22 17:56:02,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:02,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:02,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:02,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:02,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:02,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-22 17:56:02,895 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) [2024-11-22 17:56:02,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:02,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-22 17:56:02,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:03,020 INFO L124 PetriNetUnfolderBase]: 21/826 cut-off events. [2024-11-22 17:56:03,020 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:56:03,026 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. [2024-11-22 17:56:03,028 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2024-11-22 17:56:03,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 522 transitions, 1080 flow [2024-11-22 17:56:03,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:03,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-22 17:56:03,031 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-22 17:56:03,031 INFO L175 Difference]: Start difference. First operand has 519 places, 523 transitions, 1056 flow. Second operand 3 states and 1640 transitions. [2024-11-22 17:56:03,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 522 transitions, 1080 flow [2024-11-22 17:56:03,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 522 transitions, 1076 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:03,037 INFO L231 Difference]: Finished difference. Result has 518 places, 522 transitions, 1054 flow [2024-11-22 17:56:03,037 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} [2024-11-22 17:56:03,038 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -17 predicate places. [2024-11-22 17:56:03,038 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 522 transitions, 1054 flow [2024-11-22 17:56:03,039 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) [2024-11-22 17:56:03,039 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:03,040 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] [2024-11-22 17:56:03,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:56:03,040 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)] === [2024-11-22 17:56:03,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:03,040 INFO L85 PathProgramCache]: Analyzing trace with hash -477178224, now seen corresponding path program 1 times [2024-11-22 17:56:03,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:03,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312922636] [2024-11-22 17:56:03,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:03,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:03,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:03,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312922636] [2024-11-22 17:56:03,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312922636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:03,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:03,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:03,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804565828] [2024-11-22 17:56:03,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:03,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:03,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:03,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:03,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:03,147 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-22 17:56:03,148 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) [2024-11-22 17:56:03,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:03,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-22 17:56:03,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:03,249 INFO L124 PetriNetUnfolderBase]: 27/1034 cut-off events. [2024-11-22 17:56:03,249 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-11-22 17:56:03,259 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. [2024-11-22 17:56:03,263 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2024-11-22 17:56:03,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 521 transitions, 1078 flow [2024-11-22 17:56:03,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:03,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-22 17:56:03,267 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-22 17:56:03,267 INFO L175 Difference]: Start difference. First operand has 518 places, 522 transitions, 1054 flow. Second operand 3 states and 1640 transitions. [2024-11-22 17:56:03,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 521 transitions, 1078 flow [2024-11-22 17:56:03,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 521 transitions, 1074 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:03,273 INFO L231 Difference]: Finished difference. Result has 517 places, 521 transitions, 1052 flow [2024-11-22 17:56:03,274 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} [2024-11-22 17:56:03,274 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-11-22 17:56:03,275 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 521 transitions, 1052 flow [2024-11-22 17:56:03,276 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) [2024-11-22 17:56:03,276 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:03,276 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] [2024-11-22 17:56:03,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:56:03,276 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)] === [2024-11-22 17:56:03,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:03,277 INFO L85 PathProgramCache]: Analyzing trace with hash -550514655, now seen corresponding path program 1 times [2024-11-22 17:56:03,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:03,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978988918] [2024-11-22 17:56:03,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:03,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:03,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:03,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978988918] [2024-11-22 17:56:03,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978988918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:03,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:03,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:03,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929905814] [2024-11-22 17:56:03,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:03,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:03,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:03,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:03,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:03,337 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-22 17:56:03,339 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) [2024-11-22 17:56:03,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:03,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-22 17:56:03,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:03,438 INFO L124 PetriNetUnfolderBase]: 25/898 cut-off events. [2024-11-22 17:56:03,438 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-22 17:56:03,447 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. [2024-11-22 17:56:03,450 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/520 dead transitions. [2024-11-22 17:56:03,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 520 transitions, 1076 flow [2024-11-22 17:56:03,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:03,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-22 17:56:03,454 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-22 17:56:03,454 INFO L175 Difference]: Start difference. First operand has 517 places, 521 transitions, 1052 flow. Second operand 3 states and 1640 transitions. [2024-11-22 17:56:03,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 520 transitions, 1076 flow [2024-11-22 17:56:03,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 520 transitions, 1072 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:03,460 INFO L231 Difference]: Finished difference. Result has 516 places, 520 transitions, 1050 flow [2024-11-22 17:56:03,461 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} [2024-11-22 17:56:03,462 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -19 predicate places. [2024-11-22 17:56:03,462 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 520 transitions, 1050 flow [2024-11-22 17:56:03,463 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) [2024-11-22 17:56:03,463 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:03,463 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] [2024-11-22 17:56:03,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:56:03,464 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:03,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:03,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2034912479, now seen corresponding path program 1 times [2024-11-22 17:56:03,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:03,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862188357] [2024-11-22 17:56:03,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:03,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:03,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:03,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862188357] [2024-11-22 17:56:03,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862188357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:03,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:03,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:03,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793521559] [2024-11-22 17:56:03,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:03,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:03,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:03,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:03,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:03,517 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-22 17:56:03,519 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) [2024-11-22 17:56:03,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:03,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-22 17:56:03,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:03,711 INFO L124 PetriNetUnfolderBase]: 36/1226 cut-off events. [2024-11-22 17:56:03,711 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:56:03,720 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. [2024-11-22 17:56:03,723 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2024-11-22 17:56:03,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 522 transitions, 1086 flow [2024-11-22 17:56:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:03,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:03,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-11-22 17:56:03,726 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-11-22 17:56:03,726 INFO L175 Difference]: Start difference. First operand has 516 places, 520 transitions, 1050 flow. Second operand 3 states and 1649 transitions. [2024-11-22 17:56:03,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 522 transitions, 1086 flow [2024-11-22 17:56:03,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 522 transitions, 1082 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:03,733 INFO L231 Difference]: Finished difference. Result has 515 places, 520 transitions, 1056 flow [2024-11-22 17:56:03,734 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} [2024-11-22 17:56:03,735 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -20 predicate places. [2024-11-22 17:56:03,736 INFO L471 AbstractCegarLoop]: Abstraction has has 515 places, 520 transitions, 1056 flow [2024-11-22 17:56:03,736 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) [2024-11-22 17:56:03,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:03,737 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] [2024-11-22 17:56:03,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:56:03,737 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:03,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:03,738 INFO L85 PathProgramCache]: Analyzing trace with hash -554961808, now seen corresponding path program 1 times [2024-11-22 17:56:03,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:03,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592853766] [2024-11-22 17:56:03,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:03,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:03,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:03,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592853766] [2024-11-22 17:56:03,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592853766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:03,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:03,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:03,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51984791] [2024-11-22 17:56:03,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:03,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:03,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:03,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:03,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:03,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-22 17:56:03,797 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) [2024-11-22 17:56:03,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:03,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-22 17:56:03,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:03,930 INFO L124 PetriNetUnfolderBase]: 49/1359 cut-off events. [2024-11-22 17:56:03,931 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:56:03,943 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. [2024-11-22 17:56:03,948 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2024-11-22 17:56:03,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 522 transitions, 1092 flow [2024-11-22 17:56:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:03,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-11-22 17:56:03,951 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-11-22 17:56:03,951 INFO L175 Difference]: Start difference. First operand has 515 places, 520 transitions, 1056 flow. Second operand 3 states and 1649 transitions. [2024-11-22 17:56:03,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 522 transitions, 1092 flow [2024-11-22 17:56:03,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 522 transitions, 1092 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:03,957 INFO L231 Difference]: Finished difference. Result has 516 places, 520 transitions, 1066 flow [2024-11-22 17:56:03,957 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} [2024-11-22 17:56:03,958 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -19 predicate places. [2024-11-22 17:56:03,958 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 520 transitions, 1066 flow [2024-11-22 17:56:03,959 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) [2024-11-22 17:56:03,959 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:03,959 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] [2024-11-22 17:56:03,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:56:03,960 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:03,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:03,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1448607424, now seen corresponding path program 1 times [2024-11-22 17:56:03,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:03,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357050346] [2024-11-22 17:56:03,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:03,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:03,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:03,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357050346] [2024-11-22 17:56:03,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357050346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:03,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:03,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:03,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612107598] [2024-11-22 17:56:03,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:04,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:04,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:04,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:04,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:04,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-22 17:56:04,026 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) [2024-11-22 17:56:04,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:04,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-22 17:56:04,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:04,148 INFO L124 PetriNetUnfolderBase]: 51/1185 cut-off events. [2024-11-22 17:56:04,148 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:56:04,159 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. [2024-11-22 17:56:04,163 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 15 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2024-11-22 17:56:04,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 521 transitions, 1104 flow [2024-11-22 17:56:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:04,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-22 17:56:04,166 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-22 17:56:04,166 INFO L175 Difference]: Start difference. First operand has 516 places, 520 transitions, 1066 flow. Second operand 3 states and 1641 transitions. [2024-11-22 17:56:04,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 521 transitions, 1104 flow [2024-11-22 17:56:04,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 521 transitions, 1104 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:04,172 INFO L231 Difference]: Finished difference. Result has 517 places, 519 transitions, 1068 flow [2024-11-22 17:56:04,172 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} [2024-11-22 17:56:04,173 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-11-22 17:56:04,173 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 519 transitions, 1068 flow [2024-11-22 17:56:04,174 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) [2024-11-22 17:56:04,174 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:04,174 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] [2024-11-22 17:56:04,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:56:04,174 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:04,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:04,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1115530230, now seen corresponding path program 1 times [2024-11-22 17:56:04,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:04,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52804877] [2024-11-22 17:56:04,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:04,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:04,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:04,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52804877] [2024-11-22 17:56:04,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52804877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:04,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:04,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:04,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638923441] [2024-11-22 17:56:04,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:04,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:04,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:04,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:04,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:04,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-22 17:56:04,223 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) [2024-11-22 17:56:04,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:04,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-22 17:56:04,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:04,509 INFO L124 PetriNetUnfolderBase]: 68/1866 cut-off events. [2024-11-22 17:56:04,509 INFO L125 PetriNetUnfolderBase]: For 16/21 co-relation queries the response was YES. [2024-11-22 17:56:04,527 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. [2024-11-22 17:56:04,534 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2024-11-22 17:56:04,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 521 transitions, 1104 flow [2024-11-22 17:56:04,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:04,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-11-22 17:56:04,538 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-11-22 17:56:04,538 INFO L175 Difference]: Start difference. First operand has 517 places, 519 transitions, 1068 flow. Second operand 3 states and 1649 transitions. [2024-11-22 17:56:04,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 521 transitions, 1104 flow [2024-11-22 17:56:04,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 521 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:04,545 INFO L231 Difference]: Finished difference. Result has 516 places, 519 transitions, 1074 flow [2024-11-22 17:56:04,546 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} [2024-11-22 17:56:04,547 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -19 predicate places. [2024-11-22 17:56:04,547 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 519 transitions, 1074 flow [2024-11-22 17:56:04,548 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) [2024-11-22 17:56:04,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:04,548 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] [2024-11-22 17:56:04,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 17:56:04,548 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:04,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:04,549 INFO L85 PathProgramCache]: Analyzing trace with hash 192997645, now seen corresponding path program 1 times [2024-11-22 17:56:04,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:04,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563533341] [2024-11-22 17:56:04,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:04,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:04,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:04,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563533341] [2024-11-22 17:56:04,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563533341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:04,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:04,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:04,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226666376] [2024-11-22 17:56:04,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:04,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:04,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:04,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:04,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:04,615 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-22 17:56:04,617 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) [2024-11-22 17:56:04,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:04,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-22 17:56:04,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:04,979 INFO L124 PetriNetUnfolderBase]: 101/2286 cut-off events. [2024-11-22 17:56:04,979 INFO L125 PetriNetUnfolderBase]: For 19/22 co-relation queries the response was YES. [2024-11-22 17:56:05,003 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. [2024-11-22 17:56:05,013 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 16 selfloop transitions, 2 changer transitions 0/524 dead transitions. [2024-11-22 17:56:05,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 524 transitions, 1125 flow [2024-11-22 17:56:05,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:05,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:05,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1652 transitions. [2024-11-22 17:56:05,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9494252873563218 [2024-11-22 17:56:05,017 INFO L175 Difference]: Start difference. First operand has 516 places, 519 transitions, 1074 flow. Second operand 3 states and 1652 transitions. [2024-11-22 17:56:05,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 524 transitions, 1125 flow [2024-11-22 17:56:05,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 524 transitions, 1125 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:05,025 INFO L231 Difference]: Finished difference. Result has 517 places, 519 transitions, 1084 flow [2024-11-22 17:56:05,026 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} [2024-11-22 17:56:05,027 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-11-22 17:56:05,028 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 519 transitions, 1084 flow [2024-11-22 17:56:05,029 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) [2024-11-22 17:56:05,029 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:05,029 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] [2024-11-22 17:56:05,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:56:05,029 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:05,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:05,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1687991848, now seen corresponding path program 1 times [2024-11-22 17:56:05,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:05,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8590087] [2024-11-22 17:56:05,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:05,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:05,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:05,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8590087] [2024-11-22 17:56:05,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8590087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:05,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:05,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:05,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797651430] [2024-11-22 17:56:05,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:05,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:05,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:05,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:05,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:05,105 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 580 [2024-11-22 17:56:05,107 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) [2024-11-22 17:56:05,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:05,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 580 [2024-11-22 17:56:05,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:05,620 INFO L124 PetriNetUnfolderBase]: 118/2771 cut-off events. [2024-11-22 17:56:05,620 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-22 17:56:05,655 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. [2024-11-22 17:56:05,667 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 15 selfloop transitions, 5 changer transitions 0/521 dead transitions. [2024-11-22 17:56:05,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 521 transitions, 1130 flow [2024-11-22 17:56:05,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:05,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-22 17:56:05,671 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-22 17:56:05,671 INFO L175 Difference]: Start difference. First operand has 517 places, 519 transitions, 1084 flow. Second operand 3 states and 1640 transitions. [2024-11-22 17:56:05,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 521 transitions, 1130 flow [2024-11-22 17:56:05,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 521 transitions, 1130 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:05,679 INFO L231 Difference]: Finished difference. Result has 518 places, 519 transitions, 1110 flow [2024-11-22 17:56:05,679 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} [2024-11-22 17:56:05,680 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -17 predicate places. [2024-11-22 17:56:05,680 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 519 transitions, 1110 flow [2024-11-22 17:56:05,681 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) [2024-11-22 17:56:05,681 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:05,682 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] [2024-11-22 17:56:05,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 17:56:05,682 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:05,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:05,683 INFO L85 PathProgramCache]: Analyzing trace with hash -539812553, now seen corresponding path program 1 times [2024-11-22 17:56:05,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:05,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642402804] [2024-11-22 17:56:05,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:05,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:05,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:05,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642402804] [2024-11-22 17:56:05,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642402804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:05,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:05,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:05,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585555479] [2024-11-22 17:56:05,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:05,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:05,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:05,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:05,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:05,768 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-22 17:56:05,770 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) [2024-11-22 17:56:05,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:05,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-22 17:56:05,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:06,133 INFO L124 PetriNetUnfolderBase]: 92/2232 cut-off events. [2024-11-22 17:56:06,134 INFO L125 PetriNetUnfolderBase]: For 36/118 co-relation queries the response was YES. [2024-11-22 17:56:06,153 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. [2024-11-22 17:56:06,159 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 15 selfloop transitions, 2 changer transitions 0/520 dead transitions. [2024-11-22 17:56:06,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 520 transitions, 1148 flow [2024-11-22 17:56:06,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-22 17:56:06,162 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-22 17:56:06,163 INFO L175 Difference]: Start difference. First operand has 518 places, 519 transitions, 1110 flow. Second operand 3 states and 1641 transitions. [2024-11-22 17:56:06,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 520 transitions, 1148 flow [2024-11-22 17:56:06,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 520 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:06,170 INFO L231 Difference]: Finished difference. Result has 517 places, 518 transitions, 1102 flow [2024-11-22 17:56:06,171 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} [2024-11-22 17:56:06,172 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-11-22 17:56:06,172 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 518 transitions, 1102 flow [2024-11-22 17:56:06,173 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) [2024-11-22 17:56:06,173 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:06,173 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] [2024-11-22 17:56:06,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:56:06,173 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:06,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:06,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1518985140, now seen corresponding path program 1 times [2024-11-22 17:56:06,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:06,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25198716] [2024-11-22 17:56:06,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:06,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:06,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:06,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:06,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25198716] [2024-11-22 17:56:06,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25198716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:06,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:06,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 17:56:06,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884684419] [2024-11-22 17:56:06,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:06,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 17:56:06,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:06,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 17:56:06,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 17:56:06,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 580 [2024-11-22 17:56:06,299 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) [2024-11-22 17:56:06,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:06,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 580 [2024-11-22 17:56:06,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:06,724 INFO L124 PetriNetUnfolderBase]: 124/3253 cut-off events. [2024-11-22 17:56:06,725 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-11-22 17:56:06,763 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. [2024-11-22 17:56:06,775 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 27 selfloop transitions, 4 changer transitions 0/534 dead transitions. [2024-11-22 17:56:06,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 534 transitions, 1206 flow [2024-11-22 17:56:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 17:56:06,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 17:56:06,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2747 transitions. [2024-11-22 17:56:06,779 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9472413793103448 [2024-11-22 17:56:06,779 INFO L175 Difference]: Start difference. First operand has 517 places, 518 transitions, 1102 flow. Second operand 5 states and 2747 transitions. [2024-11-22 17:56:06,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 534 transitions, 1206 flow [2024-11-22 17:56:06,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 534 transitions, 1202 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:06,786 INFO L231 Difference]: Finished difference. Result has 522 places, 520 transitions, 1123 flow [2024-11-22 17:56:06,787 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} [2024-11-22 17:56:06,787 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -13 predicate places. [2024-11-22 17:56:06,788 INFO L471 AbstractCegarLoop]: Abstraction has has 522 places, 520 transitions, 1123 flow [2024-11-22 17:56:06,789 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) [2024-11-22 17:56:06,789 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:06,789 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] [2024-11-22 17:56:06,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 17:56:06,789 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:06,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:06,789 INFO L85 PathProgramCache]: Analyzing trace with hash 209910454, now seen corresponding path program 1 times [2024-11-22 17:56:06,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:06,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118827626] [2024-11-22 17:56:06,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:06,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:06,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:06,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118827626] [2024-11-22 17:56:06,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118827626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:06,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:06,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:06,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080904182] [2024-11-22 17:56:06,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:06,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 17:56:06,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:06,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 17:56:06,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 17:56:07,008 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 524 out of 580 [2024-11-22 17:56:07,011 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) [2024-11-22 17:56:07,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:07,011 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 524 of 580 [2024-11-22 17:56:07,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:07,251 INFO L124 PetriNetUnfolderBase]: 47/1670 cut-off events. [2024-11-22 17:56:07,251 INFO L125 PetriNetUnfolderBase]: For 11/22 co-relation queries the response was YES. [2024-11-22 17:56:07,273 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. [2024-11-22 17:56:07,279 INFO L140 encePairwiseOnDemand]: 559/580 looper letters, 18 selfloop transitions, 18 changer transitions 0/523 dead transitions. [2024-11-22 17:56:07,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 523 transitions, 1201 flow [2024-11-22 17:56:07,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 17:56:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 17:56:07,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2659 transitions. [2024-11-22 17:56:07,285 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.916896551724138 [2024-11-22 17:56:07,285 INFO L175 Difference]: Start difference. First operand has 522 places, 520 transitions, 1123 flow. Second operand 5 states and 2659 transitions. [2024-11-22 17:56:07,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 523 transitions, 1201 flow [2024-11-22 17:56:07,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 523 transitions, 1201 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:07,292 INFO L231 Difference]: Finished difference. Result has 527 places, 523 transitions, 1183 flow [2024-11-22 17:56:07,293 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} [2024-11-22 17:56:07,293 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -8 predicate places. [2024-11-22 17:56:07,293 INFO L471 AbstractCegarLoop]: Abstraction has has 527 places, 523 transitions, 1183 flow [2024-11-22 17:56:07,294 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) [2024-11-22 17:56:07,295 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:07,295 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] [2024-11-22 17:56:07,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 17:56:07,295 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:07,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:07,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1160708202, now seen corresponding path program 1 times [2024-11-22 17:56:07,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:07,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682919210] [2024-11-22 17:56:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:07,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-22 17:56:07,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:07,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682919210] [2024-11-22 17:56:07,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682919210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:07,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:07,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:07,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877082274] [2024-11-22 17:56:07,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:07,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:07,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:07,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:07,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:07,383 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-22 17:56:07,384 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) [2024-11-22 17:56:07,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:07,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-22 17:56:07,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:07,953 INFO L124 PetriNetUnfolderBase]: 188/4808 cut-off events. [2024-11-22 17:56:07,953 INFO L125 PetriNetUnfolderBase]: For 59/79 co-relation queries the response was YES. [2024-11-22 17:56:07,992 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. [2024-11-22 17:56:08,005 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 17 selfloop transitions, 2 changer transitions 0/524 dead transitions. [2024-11-22 17:56:08,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 524 transitions, 1225 flow [2024-11-22 17:56:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:08,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-22 17:56:08,007 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-22 17:56:08,008 INFO L175 Difference]: Start difference. First operand has 527 places, 523 transitions, 1183 flow. Second operand 3 states and 1641 transitions. [2024-11-22 17:56:08,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 524 transitions, 1225 flow [2024-11-22 17:56:08,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 524 transitions, 1195 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-22 17:56:08,013 INFO L231 Difference]: Finished difference. Result has 525 places, 522 transitions, 1155 flow [2024-11-22 17:56:08,013 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} [2024-11-22 17:56:08,014 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -10 predicate places. [2024-11-22 17:56:08,014 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 522 transitions, 1155 flow [2024-11-22 17:56:08,014 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) [2024-11-22 17:56:08,014 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:08,015 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] [2024-11-22 17:56:08,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 17:56:08,015 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:08,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:08,015 INFO L85 PathProgramCache]: Analyzing trace with hash 279789001, now seen corresponding path program 1 times [2024-11-22 17:56:08,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:08,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849029933] [2024-11-22 17:56:08,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:08,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:08,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 17:56:08,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:08,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849029933] [2024-11-22 17:56:08,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849029933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:56:08,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254787594] [2024-11-22 17:56:08,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:08,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:56:08,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:56:08,172 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) [2024-11-22 17:56:08,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 17:56:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:08,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 17:56:08,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:56:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 17:56:08,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:56:08,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 17:56:08,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254787594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:56:08,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:56:08,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-22 17:56:08,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38191508] [2024-11-22 17:56:08,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:56:08,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 17:56:08,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:08,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 17:56:08,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-22 17:56:09,109 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 580 [2024-11-22 17:56:09,113 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) [2024-11-22 17:56:09,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:09,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 580 [2024-11-22 17:56:09,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:09,507 INFO L124 PetriNetUnfolderBase]: 47/1715 cut-off events. [2024-11-22 17:56:09,507 INFO L125 PetriNetUnfolderBase]: For 20/31 co-relation queries the response was YES. [2024-11-22 17:56:09,528 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. [2024-11-22 17:56:09,533 INFO L140 encePairwiseOnDemand]: 550/580 looper letters, 30 selfloop transitions, 39 changer transitions 0/546 dead transitions. [2024-11-22 17:56:09,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 546 transitions, 1347 flow [2024-11-22 17:56:09,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 17:56:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-22 17:56:09,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 5740 transitions. [2024-11-22 17:56:09,539 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8996865203761756 [2024-11-22 17:56:09,540 INFO L175 Difference]: Start difference. First operand has 525 places, 522 transitions, 1155 flow. Second operand 11 states and 5740 transitions. [2024-11-22 17:56:09,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 546 transitions, 1347 flow [2024-11-22 17:56:09,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 546 transitions, 1343 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:09,546 INFO L231 Difference]: Finished difference. Result has 536 places, 540 transitions, 1331 flow [2024-11-22 17:56:09,547 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} [2024-11-22 17:56:09,547 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 1 predicate places. [2024-11-22 17:56:09,547 INFO L471 AbstractCegarLoop]: Abstraction has has 536 places, 540 transitions, 1331 flow [2024-11-22 17:56:09,549 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) [2024-11-22 17:56:09,549 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:09,550 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] [2024-11-22 17:56:09,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 17:56:09,751 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 [2024-11-22 17:56:09,752 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:09,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:09,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1041812823, now seen corresponding path program 2 times [2024-11-22 17:56:09,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:09,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868720025] [2024-11-22 17:56:09,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:56:09,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:09,790 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:56:09,790 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:56:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 17:56:10,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:10,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868720025] [2024-11-22 17:56:10,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868720025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:10,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:10,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:10,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261440941] [2024-11-22 17:56:10,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:10,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:56:10,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:10,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:56:10,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:56:10,399 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-22 17:56:10,401 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) [2024-11-22 17:56:10,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:10,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-22 17:56:10,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:10,794 INFO L124 PetriNetUnfolderBase]: 100/2643 cut-off events. [2024-11-22 17:56:10,794 INFO L125 PetriNetUnfolderBase]: For 63/70 co-relation queries the response was YES. [2024-11-22 17:56:10,821 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. [2024-11-22 17:56:10,828 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 30 selfloop transitions, 6 changer transitions 0/547 dead transitions. [2024-11-22 17:56:10,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 547 transitions, 1425 flow [2024-11-22 17:56:10,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:56:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:56:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3210 transitions. [2024-11-22 17:56:10,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224137931034483 [2024-11-22 17:56:10,831 INFO L175 Difference]: Start difference. First operand has 536 places, 540 transitions, 1331 flow. Second operand 6 states and 3210 transitions. [2024-11-22 17:56:10,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 547 transitions, 1425 flow [2024-11-22 17:56:10,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 547 transitions, 1389 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-22 17:56:10,839 INFO L231 Difference]: Finished difference. Result has 537 places, 539 transitions, 1305 flow [2024-11-22 17:56:10,839 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} [2024-11-22 17:56:10,840 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 2 predicate places. [2024-11-22 17:56:10,840 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 539 transitions, 1305 flow [2024-11-22 17:56:10,840 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) [2024-11-22 17:56:10,840 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:10,841 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] [2024-11-22 17:56:10,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 17:56:10,841 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:10,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:10,841 INFO L85 PathProgramCache]: Analyzing trace with hash -290989231, now seen corresponding path program 1 times [2024-11-22 17:56:10,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:10,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879205467] [2024-11-22 17:56:10,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:10,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:10,917 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 17:56:10,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:10,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879205467] [2024-11-22 17:56:10,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879205467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:10,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:10,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:10,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884954018] [2024-11-22 17:56:10,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:10,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:10,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:10,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:10,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:10,927 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-22 17:56:10,928 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) [2024-11-22 17:56:10,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:10,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-22 17:56:10,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:11,411 INFO L124 PetriNetUnfolderBase]: 125/3167 cut-off events. [2024-11-22 17:56:11,411 INFO L125 PetriNetUnfolderBase]: For 66/87 co-relation queries the response was YES. [2024-11-22 17:56:11,460 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. [2024-11-22 17:56:11,471 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 16 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2024-11-22 17:56:11,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 544 transitions, 1356 flow [2024-11-22 17:56:11,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:11,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1652 transitions. [2024-11-22 17:56:11,474 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9494252873563218 [2024-11-22 17:56:11,474 INFO L175 Difference]: Start difference. First operand has 537 places, 539 transitions, 1305 flow. Second operand 3 states and 1652 transitions. [2024-11-22 17:56:11,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 544 transitions, 1356 flow [2024-11-22 17:56:11,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 544 transitions, 1344 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:56:11,481 INFO L231 Difference]: Finished difference. Result has 533 places, 539 transitions, 1303 flow [2024-11-22 17:56:11,481 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} [2024-11-22 17:56:11,482 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -2 predicate places. [2024-11-22 17:56:11,482 INFO L471 AbstractCegarLoop]: Abstraction has has 533 places, 539 transitions, 1303 flow [2024-11-22 17:56:11,482 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) [2024-11-22 17:56:11,482 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:11,483 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] [2024-11-22 17:56:11,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 17:56:11,483 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:11,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:11,483 INFO L85 PathProgramCache]: Analyzing trace with hash -430699316, now seen corresponding path program 1 times [2024-11-22 17:56:11,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:11,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118180614] [2024-11-22 17:56:11,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:11,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 17:56:11,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:11,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118180614] [2024-11-22 17:56:11,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118180614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:11,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:11,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:11,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41140555] [2024-11-22 17:56:11,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:11,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:11,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:11,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:11,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:11,610 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 580 [2024-11-22 17:56:11,612 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) [2024-11-22 17:56:11,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:11,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 580 [2024-11-22 17:56:11,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:12,328 INFO L124 PetriNetUnfolderBase]: 181/4377 cut-off events. [2024-11-22 17:56:12,328 INFO L125 PetriNetUnfolderBase]: For 75/238 co-relation queries the response was YES. [2024-11-22 17:56:12,399 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 33346 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. [2024-11-22 17:56:12,414 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 15 selfloop transitions, 5 changer transitions 0/541 dead transitions. [2024-11-22 17:56:12,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 541 transitions, 1349 flow [2024-11-22 17:56:12,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:12,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-22 17:56:12,416 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-22 17:56:12,416 INFO L175 Difference]: Start difference. First operand has 533 places, 539 transitions, 1303 flow. Second operand 3 states and 1640 transitions. [2024-11-22 17:56:12,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 541 transitions, 1349 flow [2024-11-22 17:56:12,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 541 transitions, 1349 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:12,422 INFO L231 Difference]: Finished difference. Result has 534 places, 539 transitions, 1329 flow [2024-11-22 17:56:12,423 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} [2024-11-22 17:56:12,423 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -1 predicate places. [2024-11-22 17:56:12,423 INFO L471 AbstractCegarLoop]: Abstraction has has 534 places, 539 transitions, 1329 flow [2024-11-22 17:56:12,424 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) [2024-11-22 17:56:12,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:12,424 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] [2024-11-22 17:56:12,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 17:56:12,424 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:12,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:12,425 INFO L85 PathProgramCache]: Analyzing trace with hash 498961046, now seen corresponding path program 1 times [2024-11-22 17:56:12,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:12,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122322851] [2024-11-22 17:56:12,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:12,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 17:56:12,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:12,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122322851] [2024-11-22 17:56:12,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122322851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:12,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:12,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:12,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183738561] [2024-11-22 17:56:12,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:12,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:12,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:12,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:12,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:12,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-22 17:56:12,508 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) [2024-11-22 17:56:12,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:12,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-22 17:56:12,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:13,094 INFO L124 PetriNetUnfolderBase]: 270/3660 cut-off events. [2024-11-22 17:56:13,094 INFO L125 PetriNetUnfolderBase]: For 219/273 co-relation queries the response was YES. [2024-11-22 17:56:13,132 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 29851 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. [2024-11-22 17:56:13,140 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 15 selfloop transitions, 2 changer transitions 0/540 dead transitions. [2024-11-22 17:56:13,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 540 transitions, 1367 flow [2024-11-22 17:56:13,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-22 17:56:13,143 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-22 17:56:13,143 INFO L175 Difference]: Start difference. First operand has 534 places, 539 transitions, 1329 flow. Second operand 3 states and 1641 transitions. [2024-11-22 17:56:13,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 540 transitions, 1367 flow [2024-11-22 17:56:13,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 540 transitions, 1357 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:13,151 INFO L231 Difference]: Finished difference. Result has 533 places, 538 transitions, 1321 flow [2024-11-22 17:56:13,151 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} [2024-11-22 17:56:13,152 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -2 predicate places. [2024-11-22 17:56:13,152 INFO L471 AbstractCegarLoop]: Abstraction has has 533 places, 538 transitions, 1321 flow [2024-11-22 17:56:13,152 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) [2024-11-22 17:56:13,153 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:13,153 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] [2024-11-22 17:56:13,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 17:56:13,153 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:13,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:13,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1864963592, now seen corresponding path program 1 times [2024-11-22 17:56:13,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:13,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842153709] [2024-11-22 17:56:13,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:13,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 17:56:13,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:13,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842153709] [2024-11-22 17:56:13,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842153709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:13,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:13,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 17:56:13,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936616897] [2024-11-22 17:56:13,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:13,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 17:56:13,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:13,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 17:56:13,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 17:56:13,284 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 580 [2024-11-22 17:56:13,286 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) [2024-11-22 17:56:13,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:13,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 580 [2024-11-22 17:56:13,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:14,250 INFO L124 PetriNetUnfolderBase]: 197/4935 cut-off events. [2024-11-22 17:56:14,250 INFO L125 PetriNetUnfolderBase]: For 97/304 co-relation queries the response was YES. [2024-11-22 17:56:14,298 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 40378 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. [2024-11-22 17:56:14,311 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 25 selfloop transitions, 4 changer transitions 0/552 dead transitions. [2024-11-22 17:56:14,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 552 transitions, 1415 flow [2024-11-22 17:56:14,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 17:56:14,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 17:56:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2745 transitions. [2024-11-22 17:56:14,316 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.946551724137931 [2024-11-22 17:56:14,316 INFO L175 Difference]: Start difference. First operand has 533 places, 538 transitions, 1321 flow. Second operand 5 states and 2745 transitions. [2024-11-22 17:56:14,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 552 transitions, 1415 flow [2024-11-22 17:56:14,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 552 transitions, 1411 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:14,325 INFO L231 Difference]: Finished difference. Result has 538 places, 540 transitions, 1342 flow [2024-11-22 17:56:14,325 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} [2024-11-22 17:56:14,325 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 3 predicate places. [2024-11-22 17:56:14,326 INFO L471 AbstractCegarLoop]: Abstraction has has 538 places, 540 transitions, 1342 flow [2024-11-22 17:56:14,326 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) [2024-11-22 17:56:14,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:14,326 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] [2024-11-22 17:56:14,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 17:56:14,327 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:14,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:14,327 INFO L85 PathProgramCache]: Analyzing trace with hash 406344603, now seen corresponding path program 1 times [2024-11-22 17:56:14,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:14,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128852276] [2024-11-22 17:56:14,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:14,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 17:56:14,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:14,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128852276] [2024-11-22 17:56:14,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128852276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:14,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:14,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:14,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450117014] [2024-11-22 17:56:14,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:14,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:14,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:14,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:14,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:14,449 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-22 17:56:14,450 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) [2024-11-22 17:56:14,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:14,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-22 17:56:14,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:15,891 INFO L124 PetriNetUnfolderBase]: 293/6588 cut-off events. [2024-11-22 17:56:15,892 INFO L125 PetriNetUnfolderBase]: For 202/735 co-relation queries the response was YES. [2024-11-22 17:56:15,997 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 60929 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. [2024-11-22 17:56:16,018 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 17 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2024-11-22 17:56:16,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 541 transitions, 1384 flow [2024-11-22 17:56:16,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:16,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-22 17:56:16,021 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-22 17:56:16,021 INFO L175 Difference]: Start difference. First operand has 538 places, 540 transitions, 1342 flow. Second operand 3 states and 1641 transitions. [2024-11-22 17:56:16,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 541 transitions, 1384 flow [2024-11-22 17:56:16,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 541 transitions, 1384 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:16,029 INFO L231 Difference]: Finished difference. Result has 539 places, 539 transitions, 1344 flow [2024-11-22 17:56:16,029 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} [2024-11-22 17:56:16,029 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 4 predicate places. [2024-11-22 17:56:16,030 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 539 transitions, 1344 flow [2024-11-22 17:56:16,030 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) [2024-11-22 17:56:16,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:16,030 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] [2024-11-22 17:56:16,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 17:56:16,030 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:16,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:16,031 INFO L85 PathProgramCache]: Analyzing trace with hash -474574598, now seen corresponding path program 1 times [2024-11-22 17:56:16,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:16,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641699222] [2024-11-22 17:56:16,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:16,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:16,311 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-22 17:56:16,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:16,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641699222] [2024-11-22 17:56:16,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641699222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:56:16,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15542408] [2024-11-22 17:56:16,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:16,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:56:16,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:56:16,314 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) [2024-11-22 17:56:16,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 17:56:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:16,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 17:56:16,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:56:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-22 17:56:16,677 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:56:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-22 17:56:16,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15542408] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:56:16,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:56:16,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-22 17:56:16,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011173545] [2024-11-22 17:56:16,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:56:16,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 17:56:16,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:16,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 17:56:16,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-22 17:56:17,319 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 580 [2024-11-22 17:56:17,324 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) [2024-11-22 17:56:17,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:17,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 580 [2024-11-22 17:56:17,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:17,956 INFO L124 PetriNetUnfolderBase]: 58/2446 cut-off events. [2024-11-22 17:56:17,956 INFO L125 PetriNetUnfolderBase]: For 78/97 co-relation queries the response was YES. [2024-11-22 17:56:17,991 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 14415 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. [2024-11-22 17:56:17,999 INFO L140 encePairwiseOnDemand]: 550/580 looper letters, 36 selfloop transitions, 57 changer transitions 0/569 dead transitions. [2024-11-22 17:56:17,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 569 transitions, 1674 flow [2024-11-22 17:56:18,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 17:56:18,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-22 17:56:18,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 8854 transitions. [2024-11-22 17:56:18,010 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.897971602434077 [2024-11-22 17:56:18,010 INFO L175 Difference]: Start difference. First operand has 539 places, 539 transitions, 1344 flow. Second operand 17 states and 8854 transitions. [2024-11-22 17:56:18,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 569 transitions, 1674 flow [2024-11-22 17:56:18,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 569 transitions, 1670 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:18,018 INFO L231 Difference]: Finished difference. Result has 556 places, 560 transitions, 1616 flow [2024-11-22 17:56:18,019 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} [2024-11-22 17:56:18,019 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 21 predicate places. [2024-11-22 17:56:18,019 INFO L471 AbstractCegarLoop]: Abstraction has has 556 places, 560 transitions, 1616 flow [2024-11-22 17:56:18,021 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) [2024-11-22 17:56:18,022 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:18,022 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] [2024-11-22 17:56:18,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 17:56:18,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-22 17:56:18,223 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:18,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:18,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1323108902, now seen corresponding path program 2 times [2024-11-22 17:56:18,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:18,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556402410] [2024-11-22 17:56:18,223 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:56:18,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:18,252 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:56:18,253 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:56:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-22 17:56:18,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:18,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556402410] [2024-11-22 17:56:18,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556402410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:18,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:18,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:18,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115442604] [2024-11-22 17:56:18,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:18,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:56:18,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:18,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:56:18,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:56:18,774 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-22 17:56:18,776 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) [2024-11-22 17:56:18,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:18,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-22 17:56:18,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:19,569 INFO L124 PetriNetUnfolderBase]: 153/3886 cut-off events. [2024-11-22 17:56:19,569 INFO L125 PetriNetUnfolderBase]: For 189/453 co-relation queries the response was YES. [2024-11-22 17:56:19,614 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 27339 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. [2024-11-22 17:56:19,624 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 30 selfloop transitions, 6 changer transitions 0/567 dead transitions. [2024-11-22 17:56:19,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 567 transitions, 1710 flow [2024-11-22 17:56:19,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:56:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:56:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3210 transitions. [2024-11-22 17:56:19,627 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224137931034483 [2024-11-22 17:56:19,627 INFO L175 Difference]: Start difference. First operand has 556 places, 560 transitions, 1616 flow. Second operand 6 states and 3210 transitions. [2024-11-22 17:56:19,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 567 transitions, 1710 flow [2024-11-22 17:56:19,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 567 transitions, 1632 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-22 17:56:19,634 INFO L231 Difference]: Finished difference. Result has 552 places, 559 transitions, 1548 flow [2024-11-22 17:56:19,634 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} [2024-11-22 17:56:19,635 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 17 predicate places. [2024-11-22 17:56:19,635 INFO L471 AbstractCegarLoop]: Abstraction has has 552 places, 559 transitions, 1548 flow [2024-11-22 17:56:19,636 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) [2024-11-22 17:56:19,636 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:19,636 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] [2024-11-22 17:56:19,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-22 17:56:19,636 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:19,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:19,637 INFO L85 PathProgramCache]: Analyzing trace with hash -708276578, now seen corresponding path program 1 times [2024-11-22 17:56:19,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:19,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872779121] [2024-11-22 17:56:19,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:19,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-22 17:56:19,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:19,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872779121] [2024-11-22 17:56:19,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872779121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:19,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:19,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:19,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727565795] [2024-11-22 17:56:19,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:19,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:19,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:19,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:19,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:19,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 580 [2024-11-22 17:56:19,734 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) [2024-11-22 17:56:19,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:19,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 580 [2024-11-22 17:56:19,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:20,883 INFO L124 PetriNetUnfolderBase]: 344/6028 cut-off events. [2024-11-22 17:56:20,884 INFO L125 PetriNetUnfolderBase]: For 319/360 co-relation queries the response was YES. [2024-11-22 17:56:20,975 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 54701 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. [2024-11-22 17:56:20,991 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 13 selfloop transitions, 4 changer transitions 12/561 dead transitions. [2024-11-22 17:56:20,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 561 transitions, 1592 flow [2024-11-22 17:56:20,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-22 17:56:20,993 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-22 17:56:20,993 INFO L175 Difference]: Start difference. First operand has 552 places, 559 transitions, 1548 flow. Second operand 3 states and 1639 transitions. [2024-11-22 17:56:20,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 561 transitions, 1592 flow [2024-11-22 17:56:20,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 561 transitions, 1580 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:56:21,001 INFO L231 Difference]: Finished difference. Result has 548 places, 547 transitions, 1529 flow [2024-11-22 17:56:21,001 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} [2024-11-22 17:56:21,002 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 13 predicate places. [2024-11-22 17:56:21,002 INFO L471 AbstractCegarLoop]: Abstraction has has 548 places, 547 transitions, 1529 flow [2024-11-22 17:56:21,002 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) [2024-11-22 17:56:21,002 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:21,002 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] [2024-11-22 17:56:21,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-22 17:56:21,003 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:21,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:21,003 INFO L85 PathProgramCache]: Analyzing trace with hash 940748976, now seen corresponding path program 1 times [2024-11-22 17:56:21,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:21,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520200405] [2024-11-22 17:56:21,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:21,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:21,645 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-22 17:56:21,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:21,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520200405] [2024-11-22 17:56:21,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520200405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:21,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:21,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:21,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249263319] [2024-11-22 17:56:21,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:21,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:56:21,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:21,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:56:21,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:56:21,924 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-22 17:56:21,925 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) [2024-11-22 17:56:21,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:21,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-22 17:56:21,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:22,904 INFO L124 PetriNetUnfolderBase]: 160/4421 cut-off events. [2024-11-22 17:56:22,904 INFO L125 PetriNetUnfolderBase]: For 223/260 co-relation queries the response was YES. [2024-11-22 17:56:22,944 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 32670 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. [2024-11-22 17:56:22,953 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/554 dead transitions. [2024-11-22 17:56:22,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 554 transitions, 1621 flow [2024-11-22 17:56:22,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:56:22,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:56:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-11-22 17:56:22,955 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-11-22 17:56:22,955 INFO L175 Difference]: Start difference. First operand has 548 places, 547 transitions, 1529 flow. Second operand 6 states and 3209 transitions. [2024-11-22 17:56:22,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 554 transitions, 1621 flow [2024-11-22 17:56:22,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 554 transitions, 1613 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:22,963 INFO L231 Difference]: Finished difference. Result has 539 places, 546 transitions, 1531 flow [2024-11-22 17:56:22,963 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} [2024-11-22 17:56:22,963 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 4 predicate places. [2024-11-22 17:56:22,964 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 546 transitions, 1531 flow [2024-11-22 17:56:22,965 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) [2024-11-22 17:56:22,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:22,965 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] [2024-11-22 17:56:22,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-22 17:56:22,965 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:22,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:22,966 INFO L85 PathProgramCache]: Analyzing trace with hash -197287683, now seen corresponding path program 1 times [2024-11-22 17:56:22,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:22,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30682337] [2024-11-22 17:56:22,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:22,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-22 17:56:23,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:23,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30682337] [2024-11-22 17:56:23,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30682337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:23,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:23,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:23,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640259797] [2024-11-22 17:56:23,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:23,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:23,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:23,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:23,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:23,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-22 17:56:23,069 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) [2024-11-22 17:56:23,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:23,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-22 17:56:23,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:25,159 INFO L124 PetriNetUnfolderBase]: 480/10385 cut-off events. [2024-11-22 17:56:25,159 INFO L125 PetriNetUnfolderBase]: For 298/315 co-relation queries the response was YES. [2024-11-22 17:56:25,240 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 107312 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. [2024-11-22 17:56:25,259 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/549 dead transitions. [2024-11-22 17:56:25,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 549 transitions, 1570 flow [2024-11-22 17:56:25,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-11-22 17:56:25,261 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-11-22 17:56:25,261 INFO L175 Difference]: Start difference. First operand has 539 places, 546 transitions, 1531 flow. Second operand 3 states and 1649 transitions. [2024-11-22 17:56:25,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 549 transitions, 1570 flow [2024-11-22 17:56:25,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 549 transitions, 1558 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:56:25,269 INFO L231 Difference]: Finished difference. Result has 535 places, 546 transitions, 1529 flow [2024-11-22 17:56:25,269 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} [2024-11-22 17:56:25,270 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 0 predicate places. [2024-11-22 17:56:25,270 INFO L471 AbstractCegarLoop]: Abstraction has has 535 places, 546 transitions, 1529 flow [2024-11-22 17:56:25,270 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) [2024-11-22 17:56:25,270 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:25,271 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] [2024-11-22 17:56:25,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-22 17:56:25,271 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:25,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:25,271 INFO L85 PathProgramCache]: Analyzing trace with hash 937939534, now seen corresponding path program 1 times [2024-11-22 17:56:25,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:25,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969010201] [2024-11-22 17:56:25,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-22 17:56:25,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:25,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969010201] [2024-11-22 17:56:25,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969010201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:25,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:25,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 17:56:25,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546000416] [2024-11-22 17:56:25,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:25,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 17:56:25,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:25,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 17:56:25,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 17:56:25,416 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 580 [2024-11-22 17:56:25,417 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) [2024-11-22 17:56:25,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:25,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 580 [2024-11-22 17:56:25,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:27,530 INFO L124 PetriNetUnfolderBase]: 464/8938 cut-off events. [2024-11-22 17:56:27,531 INFO L125 PetriNetUnfolderBase]: For 450/487 co-relation queries the response was YES. [2024-11-22 17:56:27,628 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 94265 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. [2024-11-22 17:56:27,651 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 20 selfloop transitions, 4 changer transitions 0/556 dead transitions. [2024-11-22 17:56:27,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 556 transitions, 1601 flow [2024-11-22 17:56:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 17:56:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 17:56:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2740 transitions. [2024-11-22 17:56:27,655 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9448275862068966 [2024-11-22 17:56:27,655 INFO L175 Difference]: Start difference. First operand has 535 places, 546 transitions, 1529 flow. Second operand 5 states and 2740 transitions. [2024-11-22 17:56:27,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 556 transitions, 1601 flow [2024-11-22 17:56:27,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 556 transitions, 1601 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:27,664 INFO L231 Difference]: Finished difference. Result has 542 places, 548 transitions, 1554 flow [2024-11-22 17:56:27,665 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} [2024-11-22 17:56:27,665 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 7 predicate places. [2024-11-22 17:56:27,665 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 548 transitions, 1554 flow [2024-11-22 17:56:27,666 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) [2024-11-22 17:56:27,666 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:27,666 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] [2024-11-22 17:56:27,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-22 17:56:27,666 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:27,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:27,667 INFO L85 PathProgramCache]: Analyzing trace with hash 170838224, now seen corresponding path program 1 times [2024-11-22 17:56:27,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:27,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984463618] [2024-11-22 17:56:27,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:27,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:28,413 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-22 17:56:28,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:28,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984463618] [2024-11-22 17:56:28,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984463618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:28,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:28,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:28,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621522404] [2024-11-22 17:56:28,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:28,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:56:28,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:28,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:56:28,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:56:28,729 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-22 17:56:28,731 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) [2024-11-22 17:56:28,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:28,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-22 17:56:28,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:30,388 INFO L124 PetriNetUnfolderBase]: 462/8687 cut-off events. [2024-11-22 17:56:30,389 INFO L125 PetriNetUnfolderBase]: For 706/757 co-relation queries the response was YES. [2024-11-22 17:56:30,514 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 90604 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. [2024-11-22 17:56:30,538 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/555 dead transitions. [2024-11-22 17:56:30,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 555 transitions, 1646 flow [2024-11-22 17:56:30,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:56:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:56:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-11-22 17:56:30,540 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-11-22 17:56:30,540 INFO L175 Difference]: Start difference. First operand has 542 places, 548 transitions, 1554 flow. Second operand 6 states and 3209 transitions. [2024-11-22 17:56:30,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 555 transitions, 1646 flow [2024-11-22 17:56:30,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 555 transitions, 1646 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:56:30,549 INFO L231 Difference]: Finished difference. Result has 546 places, 547 transitions, 1564 flow [2024-11-22 17:56:30,549 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} [2024-11-22 17:56:30,550 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 11 predicate places. [2024-11-22 17:56:30,550 INFO L471 AbstractCegarLoop]: Abstraction has has 546 places, 547 transitions, 1564 flow [2024-11-22 17:56:30,550 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) [2024-11-22 17:56:30,551 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:30,551 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] [2024-11-22 17:56:30,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-22 17:56:30,551 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:30,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:30,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1051757425, now seen corresponding path program 1 times [2024-11-22 17:56:30,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:30,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439426249] [2024-11-22 17:56:30,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:30,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:30,638 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-22 17:56:30,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:30,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439426249] [2024-11-22 17:56:30,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439426249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:30,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:30,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:30,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273102511] [2024-11-22 17:56:30,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:30,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:30,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:30,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:30,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:30,661 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-22 17:56:30,662 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) [2024-11-22 17:56:30,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:30,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-22 17:56:30,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:32,557 INFO L124 PetriNetUnfolderBase]: 676/8755 cut-off events. [2024-11-22 17:56:32,558 INFO L125 PetriNetUnfolderBase]: For 1131/1172 co-relation queries the response was YES. [2024-11-22 17:56:32,650 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 93718 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. [2024-11-22 17:56:32,667 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 14 selfloop transitions, 2 changer transitions 1/548 dead transitions. [2024-11-22 17:56:32,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 548 transitions, 1602 flow [2024-11-22 17:56:32,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:32,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-22 17:56:32,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-22 17:56:32,669 INFO L175 Difference]: Start difference. First operand has 546 places, 547 transitions, 1564 flow. Second operand 3 states and 1639 transitions. [2024-11-22 17:56:32,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 548 transitions, 1602 flow [2024-11-22 17:56:32,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 548 transitions, 1590 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:56:32,678 INFO L231 Difference]: Finished difference. Result has 542 places, 546 transitions, 1554 flow [2024-11-22 17:56:32,678 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} [2024-11-22 17:56:32,678 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 7 predicate places. [2024-11-22 17:56:32,678 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 546 transitions, 1554 flow [2024-11-22 17:56:32,679 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) [2024-11-22 17:56:32,679 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:32,679 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] [2024-11-22 17:56:32,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-22 17:56:32,679 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:32,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:32,680 INFO L85 PathProgramCache]: Analyzing trace with hash -2106410495, now seen corresponding path program 1 times [2024-11-22 17:56:32,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:32,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133939183] [2024-11-22 17:56:32,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:32,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-22 17:56:33,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:33,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133939183] [2024-11-22 17:56:33,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133939183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:33,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:33,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:33,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589823171] [2024-11-22 17:56:33,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:33,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:56:33,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:33,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:56:33,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:56:33,456 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-22 17:56:33,458 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) [2024-11-22 17:56:33,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:33,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-22 17:56:33,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:34,834 INFO L124 PetriNetUnfolderBase]: 216/6466 cut-off events. [2024-11-22 17:56:34,835 INFO L125 PetriNetUnfolderBase]: For 345/427 co-relation queries the response was YES. [2024-11-22 17:56:34,941 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 55286 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. [2024-11-22 17:56:34,956 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/553 dead transitions. [2024-11-22 17:56:34,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 553 transitions, 1646 flow [2024-11-22 17:56:34,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:56:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:56:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-11-22 17:56:34,958 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-11-22 17:56:34,958 INFO L175 Difference]: Start difference. First operand has 542 places, 546 transitions, 1554 flow. Second operand 6 states and 3209 transitions. [2024-11-22 17:56:34,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 553 transitions, 1646 flow [2024-11-22 17:56:34,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 553 transitions, 1642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:34,966 INFO L231 Difference]: Finished difference. Result has 544 places, 545 transitions, 1560 flow [2024-11-22 17:56:34,966 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} [2024-11-22 17:56:34,966 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 9 predicate places. [2024-11-22 17:56:34,966 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 545 transitions, 1560 flow [2024-11-22 17:56:34,967 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) [2024-11-22 17:56:34,967 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:34,967 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] [2024-11-22 17:56:34,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-22 17:56:34,967 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:34,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:34,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1514935561, now seen corresponding path program 1 times [2024-11-22 17:56:34,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:34,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178968529] [2024-11-22 17:56:34,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:34,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-22 17:56:35,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:35,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178968529] [2024-11-22 17:56:35,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178968529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:35,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:35,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:35,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075244599] [2024-11-22 17:56:35,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:35,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:56:35,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:35,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:56:35,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:56:35,755 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-22 17:56:35,756 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) [2024-11-22 17:56:35,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:35,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-22 17:56:35,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:37,504 INFO L124 PetriNetUnfolderBase]: 512/8653 cut-off events. [2024-11-22 17:56:37,504 INFO L125 PetriNetUnfolderBase]: For 775/816 co-relation queries the response was YES. [2024-11-22 17:56:37,629 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 89828 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. [2024-11-22 17:56:37,647 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/552 dead transitions. [2024-11-22 17:56:37,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 552 transitions, 1652 flow [2024-11-22 17:56:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:56:37,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:56:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-11-22 17:56:37,649 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-11-22 17:56:37,649 INFO L175 Difference]: Start difference. First operand has 544 places, 545 transitions, 1560 flow. Second operand 6 states and 3209 transitions. [2024-11-22 17:56:37,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 552 transitions, 1652 flow [2024-11-22 17:56:37,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 552 transitions, 1640 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:56:37,658 INFO L231 Difference]: Finished difference. Result has 543 places, 544 transitions, 1558 flow [2024-11-22 17:56:37,659 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} [2024-11-22 17:56:37,659 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 8 predicate places. [2024-11-22 17:56:37,659 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 544 transitions, 1558 flow [2024-11-22 17:56:37,660 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) [2024-11-22 17:56:37,660 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:37,660 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] [2024-11-22 17:56:37,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-22 17:56:37,660 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:37,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:37,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1084612448, now seen corresponding path program 1 times [2024-11-22 17:56:37,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:37,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071000858] [2024-11-22 17:56:37,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:37,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:37,752 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-22 17:56:37,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:37,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071000858] [2024-11-22 17:56:37,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071000858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:37,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:37,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:37,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406928472] [2024-11-22 17:56:37,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:37,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:37,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:37,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:37,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:37,771 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-22 17:56:37,772 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) [2024-11-22 17:56:37,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:37,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-22 17:56:37,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:39,508 INFO L124 PetriNetUnfolderBase]: 226/7968 cut-off events. [2024-11-22 17:56:39,508 INFO L125 PetriNetUnfolderBase]: For 376/602 co-relation queries the response was YES. [2024-11-22 17:56:39,607 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 73738 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. [2024-11-22 17:56:39,620 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 14 selfloop transitions, 3 changer transitions 0/545 dead transitions. [2024-11-22 17:56:39,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 545 transitions, 1596 flow [2024-11-22 17:56:39,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:39,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-22 17:56:39,622 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-22 17:56:39,622 INFO L175 Difference]: Start difference. First operand has 543 places, 544 transitions, 1558 flow. Second operand 3 states and 1639 transitions. [2024-11-22 17:56:39,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 545 transitions, 1596 flow [2024-11-22 17:56:39,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 545 transitions, 1584 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:56:39,631 INFO L231 Difference]: Finished difference. Result has 539 places, 543 transitions, 1550 flow [2024-11-22 17:56:39,631 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} [2024-11-22 17:56:39,631 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 4 predicate places. [2024-11-22 17:56:39,631 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 543 transitions, 1550 flow [2024-11-22 17:56:39,632 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) [2024-11-22 17:56:39,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:39,632 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] [2024-11-22 17:56:39,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-22 17:56:39,633 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:39,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:39,633 INFO L85 PathProgramCache]: Analyzing trace with hash 489840561, now seen corresponding path program 1 times [2024-11-22 17:56:39,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:39,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157852714] [2024-11-22 17:56:39,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:39,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-22 17:56:39,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:39,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157852714] [2024-11-22 17:56:39,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157852714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:39,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:39,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:39,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988462503] [2024-11-22 17:56:39,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:39,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:39,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:39,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:39,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:39,749 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-22 17:56:39,750 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) [2024-11-22 17:56:39,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:39,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-22 17:56:39,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:41,766 INFO L124 PetriNetUnfolderBase]: 325/8405 cut-off events. [2024-11-22 17:56:41,766 INFO L125 PetriNetUnfolderBase]: For 458/595 co-relation queries the response was YES. [2024-11-22 17:56:41,850 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 80332 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. [2024-11-22 17:56:41,862 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 14 selfloop transitions, 3 changer transitions 0/544 dead transitions. [2024-11-22 17:56:41,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 544 transitions, 1588 flow [2024-11-22 17:56:41,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:41,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-22 17:56:41,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-22 17:56:41,864 INFO L175 Difference]: Start difference. First operand has 539 places, 543 transitions, 1550 flow. Second operand 3 states and 1639 transitions. [2024-11-22 17:56:41,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 544 transitions, 1588 flow [2024-11-22 17:56:41,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 544 transitions, 1582 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:41,871 INFO L231 Difference]: Finished difference. Result has 538 places, 542 transitions, 1548 flow [2024-11-22 17:56:41,872 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} [2024-11-22 17:56:41,872 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 3 predicate places. [2024-11-22 17:56:41,872 INFO L471 AbstractCegarLoop]: Abstraction has has 538 places, 542 transitions, 1548 flow [2024-11-22 17:56:41,872 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) [2024-11-22 17:56:41,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:41,873 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] [2024-11-22 17:56:41,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-22 17:56:41,873 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-22 17:56:41,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:41,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1467535911, now seen corresponding path program 1 times [2024-11-22 17:56:41,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:41,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485301147] [2024-11-22 17:56:41,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:41,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:41,967 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-22 17:56:41,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:41,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485301147] [2024-11-22 17:56:41,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485301147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:41,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:41,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:41,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655250698] [2024-11-22 17:56:41,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:41,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:41,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:41,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:41,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:41,985 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-22 17:56:41,986 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) [2024-11-22 17:56:41,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:41,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-22 17:56:41,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:43,864 INFO L124 PetriNetUnfolderBase]: 620/8668 cut-off events. [2024-11-22 17:56:43,865 INFO L125 PetriNetUnfolderBase]: For 886/915 co-relation queries the response was YES. [2024-11-22 17:56:43,994 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 92641 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. [2024-11-22 17:56:44,001 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 0 selfloop transitions, 0 changer transitions 543/543 dead transitions. [2024-11-22 17:56:44,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 543 transitions, 1586 flow [2024-11-22 17:56:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:44,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:44,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-22 17:56:44,003 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-22 17:56:44,003 INFO L175 Difference]: Start difference. First operand has 538 places, 542 transitions, 1548 flow. Second operand 3 states and 1639 transitions. [2024-11-22 17:56:44,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 543 transitions, 1586 flow [2024-11-22 17:56:44,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 543 transitions, 1580 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:44,012 INFO L231 Difference]: Finished difference. Result has 537 places, 0 transitions, 0 flow [2024-11-22 17:56:44,013 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} [2024-11-22 17:56:44,013 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 2 predicate places. [2024-11-22 17:56:44,013 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 0 transitions, 0 flow [2024-11-22 17:56:44,014 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) [2024-11-22 17:56:44,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (80 of 81 remaining) [2024-11-22 17:56:44,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (79 of 81 remaining) [2024-11-22 17:56:44,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (78 of 81 remaining) [2024-11-22 17:56:44,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (77 of 81 remaining) [2024-11-22 17:56:44,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (76 of 81 remaining) [2024-11-22 17:56:44,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (75 of 81 remaining) [2024-11-22 17:56:44,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 81 remaining) [2024-11-22 17:56:44,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 81 remaining) [2024-11-22 17:56:44,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 81 remaining) [2024-11-22 17:56:44,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 81 remaining) [2024-11-22 17:56:44,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 81 remaining) [2024-11-22 17:56:44,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (69 of 81 remaining) [2024-11-22 17:56:44,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (68 of 81 remaining) [2024-11-22 17:56:44,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (67 of 81 remaining) [2024-11-22 17:56:44,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (66 of 81 remaining) [2024-11-22 17:56:44,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 81 remaining) [2024-11-22 17:56:44,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 81 remaining) [2024-11-22 17:56:44,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (63 of 81 remaining) [2024-11-22 17:56:44,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 81 remaining) [2024-11-22 17:56:44,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (61 of 81 remaining) [2024-11-22 17:56:44,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (60 of 81 remaining) [2024-11-22 17:56:44,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (59 of 81 remaining) [2024-11-22 17:56:44,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (58 of 81 remaining) [2024-11-22 17:56:44,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (57 of 81 remaining) [2024-11-22 17:56:44,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (56 of 81 remaining) [2024-11-22 17:56:44,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (55 of 81 remaining) [2024-11-22 17:56:44,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (54 of 81 remaining) [2024-11-22 17:56:44,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (53 of 81 remaining) [2024-11-22 17:56:44,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (52 of 81 remaining) [2024-11-22 17:56:44,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 81 remaining) [2024-11-22 17:56:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (50 of 81 remaining) [2024-11-22 17:56:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (49 of 81 remaining) [2024-11-22 17:56:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (48 of 81 remaining) [2024-11-22 17:56:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 81 remaining) [2024-11-22 17:56:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 81 remaining) [2024-11-22 17:56:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 81 remaining) [2024-11-22 17:56:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 81 remaining) [2024-11-22 17:56:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 81 remaining) [2024-11-22 17:56:44,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 81 remaining) [2024-11-22 17:56:44,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 81 remaining) [2024-11-22 17:56:44,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 81 remaining) [2024-11-22 17:56:44,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 81 remaining) [2024-11-22 17:56:44,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 81 remaining) [2024-11-22 17:56:44,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 81 remaining) [2024-11-22 17:56:44,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 81 remaining) [2024-11-22 17:56:44,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 81 remaining) [2024-11-22 17:56:44,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 81 remaining) [2024-11-22 17:56:44,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 81 remaining) [2024-11-22 17:56:44,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 81 remaining) [2024-11-22 17:56:44,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 81 remaining) [2024-11-22 17:56:44,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 81 remaining) [2024-11-22 17:56:44,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 81 remaining) [2024-11-22 17:56:44,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 81 remaining) [2024-11-22 17:56:44,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 81 remaining) [2024-11-22 17:56:44,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 81 remaining) [2024-11-22 17:56:44,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-22 17:56:44,027 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] [2024-11-22 17:56:44,032 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:56:44,033 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:56:44,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:56:44 BasicIcfg [2024-11-22 17:56:44,041 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:56:44,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:56:44,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:56:44,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:56:44,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:55:58" (3/4) ... [2024-11-22 17:56:44,043 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:56:44,046 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-22 17:56:44,046 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-22 17:56:44,046 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-22 17:56:44,051 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-22 17:56:44,051 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 17:56:44,052 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:56:44,052 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:56:44,134 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:56:44,137 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:56:44,137 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:56:44,138 INFO L158 Benchmark]: Toolchain (without parser) took 47443.46ms. Allocated memory was 180.4MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 125.5MB in the beginning and 982.7MB in the end (delta: -857.2MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-22 17:56:44,138 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 180.4MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:56:44,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.73ms. Allocated memory is still 180.4MB. Free memory was 125.2MB in the beginning and 110.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 17:56:44,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.20ms. Allocated memory is still 180.4MB. Free memory was 110.1MB in the beginning and 106.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:56:44,139 INFO L158 Benchmark]: Boogie Preprocessor took 63.19ms. Allocated memory is still 180.4MB. Free memory was 106.3MB in the beginning and 103.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:56:44,139 INFO L158 Benchmark]: RCFGBuilder took 897.49ms. Allocated memory was 180.4MB in the beginning and 274.7MB in the end (delta: 94.4MB). Free memory was 103.2MB in the beginning and 235.5MB in the end (delta: -132.3MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2024-11-22 17:56:44,139 INFO L158 Benchmark]: TraceAbstraction took 46026.75ms. Allocated memory was 274.7MB in the beginning and 2.7GB in the end (delta: 2.4GB). Free memory was 234.4MB in the beginning and 990.1MB in the end (delta: -755.7MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-22 17:56:44,139 INFO L158 Benchmark]: Witness Printer took 95.89ms. Allocated memory is still 2.7GB. Free memory was 990.1MB in the beginning and 982.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-22 17:56:44,140 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 180.4MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.73ms. Allocated memory is still 180.4MB. Free memory was 125.2MB in the beginning and 110.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.20ms. Allocated memory is still 180.4MB. Free memory was 110.1MB in the beginning and 106.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.19ms. Allocated memory is still 180.4MB. Free memory was 106.3MB in the beginning and 103.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 897.49ms. Allocated memory was 180.4MB in the beginning and 274.7MB in the end (delta: 94.4MB). Free memory was 103.2MB in the beginning and 235.5MB in the end (delta: -132.3MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * TraceAbstraction took 46026.75ms. Allocated memory was 274.7MB in the beginning and 2.7GB in the end (delta: 2.4GB). Free memory was 234.4MB in the beginning and 990.1MB in the end (delta: -755.7MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 95.89ms. Allocated memory is still 2.7GB. Free memory was 990.1MB in the beginning and 982.7MB in the end (delta: 7.4MB). 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: 45.8s, OverallIterations: 37, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 37.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3975 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2607 mSDsluCounter, 1588 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1335 mSDsCounter, 723 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7074 IncrementalHoareTripleChecker+Invalid, 7797 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 723 mSolverCounterUnsat, 253 mSDtfsCounter, 7074 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1204 GetRequests, 1078 SyntacticMatches, 5 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.7s 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, 0.6s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 10233 NumberOfCodeBlocks, 9873 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 10720 ConstructedInterpolants, 0 QuantifiedInterpolants, 12782 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1184 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 41 InterpolantComputations, 35 PerfectInterpolantSequences, 6741/6888 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! [2024-11-22 17:56:44,161 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