./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/bench-exp2x9.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 af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:58:28,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:58:28,666 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:58:28,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:58:28,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:58:28,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:58:28,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:58:28,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:58:28,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:58:28,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:58:28,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:58:28,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:58:28,707 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:58:28,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:58:28,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:58:28,711 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:58:28,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:58:28,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:58:28,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:58:28,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:58:28,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:58:28,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:58:28,716 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:58:28,717 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:58:28,717 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:58:28,717 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:58:28,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:58:28,718 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:58:28,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:58:28,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:58:28,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:58:28,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:58:28,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:58:28,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:58:28,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:58:28,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:58:28,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:58:28,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:58:28,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:58:28,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:58:28,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:58:28,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 [2024-11-09 06:58:28,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:58:28,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:58:28,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:58:28,995 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:58:28,995 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:58:28,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2024-11-09 06:58:30,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:58:30,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:58:30,715 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2024-11-09 06:58:30,723 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d7f4bffe/5d5ed858862c4b2a9169e25e9dde3667/FLAGa6ebd4502 [2024-11-09 06:58:30,736 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d7f4bffe/5d5ed858862c4b2a9169e25e9dde3667 [2024-11-09 06:58:30,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:58:30,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:58:30,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:30,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:58:30,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:58:30,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:30" (1/1) ... [2024-11-09 06:58:30,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee057c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:30, skipping insertion in model container [2024-11-09 06:58:30,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:30" (1/1) ... [2024-11-09 06:58:30,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:58:31,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:31,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:58:31,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:31,114 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:58:31,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31 WrapperNode [2024-11-09 06:58:31,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:31,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:31,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:58:31,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:58:31,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31" (1/1) ... [2024-11-09 06:58:31,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31" (1/1) ... [2024-11-09 06:58:31,153 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-11-09 06:58:31,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:31,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:58:31,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:58:31,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:58:31,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31" (1/1) ... [2024-11-09 06:58:31,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31" (1/1) ... [2024-11-09 06:58:31,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31" (1/1) ... [2024-11-09 06:58:31,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31" (1/1) ... [2024-11-09 06:58:31,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31" (1/1) ... [2024-11-09 06:58:31,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31" (1/1) ... [2024-11-09 06:58:31,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31" (1/1) ... [2024-11-09 06:58:31,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31" (1/1) ... [2024-11-09 06:58:31,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:58:31,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:58:31,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:58:31,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:58:31,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31" (1/1) ... [2024-11-09 06:58:31,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:58:31,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:31,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 06:58:31,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 06:58:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:58:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 06:58:31,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 06:58:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 06:58:31,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 06:58:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 06:58:31,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 06:58:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-09 06:58:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-09 06:58:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:58:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:58:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:58:31,325 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:58:31,443 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:58:31,447 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:58:32,106 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:58:32,106 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:58:32,145 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:58:32,145 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 06:58:32,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:32 BoogieIcfgContainer [2024-11-09 06:58:32,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:58:32,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:58:32,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:58:32,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:58:32,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:58:30" (1/3) ... [2024-11-09 06:58:32,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf77c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:32, skipping insertion in model container [2024-11-09 06:58:32,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:31" (2/3) ... [2024-11-09 06:58:32,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf77c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:32, skipping insertion in model container [2024-11-09 06:58:32,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:32" (3/3) ... [2024-11-09 06:58:32,161 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2024-11-09 06:58:32,180 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:58:32,180 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 107 error locations. [2024-11-09 06:58:32,180 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:58:32,357 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-09 06:58:32,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 546 places, 547 transitions, 1122 flow [2024-11-09 06:58:32,634 INFO L124 PetriNetUnfolderBase]: 14/543 cut-off events. [2024-11-09 06:58:32,634 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 06:58:32,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 543 events. 14/543 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1774 event pairs, 0 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 413. Up to 2 conditions per place. [2024-11-09 06:58:32,666 INFO L82 GeneralOperation]: Start removeDead. Operand has 546 places, 547 transitions, 1122 flow [2024-11-09 06:58:32,688 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 524 places, 523 transitions, 1070 flow [2024-11-09 06:58:32,702 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:58:32,712 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;@180d0f26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:58:32,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 203 error locations. [2024-11-09 06:58:32,720 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:58:32,721 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-09 06:58:32,721 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:58:32,721 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:32,722 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] [2024-11-09 06:58:32,722 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:32,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:32,728 INFO L85 PathProgramCache]: Analyzing trace with hash 797117796, now seen corresponding path program 1 times [2024-11-09 06:58:32,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:32,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147009040] [2024-11-09 06:58:32,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:32,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:32,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:32,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:32,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147009040] [2024-11-09 06:58:32,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147009040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:32,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:32,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:32,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967606180] [2024-11-09 06:58:32,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:32,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:32,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:32,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:32,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:33,121 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 547 [2024-11-09 06:58:33,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 523 transitions, 1070 flow. Second operand has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:33,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:33,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 547 [2024-11-09 06:58:33,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:33,426 INFO L124 PetriNetUnfolderBase]: 76/868 cut-off events. [2024-11-09 06:58:33,426 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-11-09 06:58:33,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 868 events. 76/868 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4827 event pairs, 66 based on Foata normal form. 145/825 useless extension candidates. Maximal degree in co-relation 1049. Up to 172 conditions per place. [2024-11-09 06:58:33,518 INFO L140 encePairwiseOnDemand]: 539/547 looper letters, 36 selfloop transitions, 2 changer transitions 1/517 dead transitions. [2024-11-09 06:58:33,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 517 transitions, 1134 flow [2024-11-09 06:58:33,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1544 transitions. [2024-11-09 06:58:33,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9408897014015845 [2024-11-09 06:58:33,545 INFO L175 Difference]: Start difference. First operand has 524 places, 523 transitions, 1070 flow. Second operand 3 states and 1544 transitions. [2024-11-09 06:58:33,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 517 transitions, 1134 flow [2024-11-09 06:58:33,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 517 transitions, 1118 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-09 06:58:33,563 INFO L231 Difference]: Finished difference. Result has 517 places, 516 transitions, 1044 flow [2024-11-09 06:58:33,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1044, PETRI_PLACES=517, PETRI_TRANSITIONS=516} [2024-11-09 06:58:33,572 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -7 predicate places. [2024-11-09 06:58:33,572 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 516 transitions, 1044 flow [2024-11-09 06:58:33,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:33,574 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:33,575 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] [2024-11-09 06:58:33,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:58:33,575 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:33,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:33,576 INFO L85 PathProgramCache]: Analyzing trace with hash 186028461, now seen corresponding path program 1 times [2024-11-09 06:58:33,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:33,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979355790] [2024-11-09 06:58:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:33,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:33,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:33,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:33,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979355790] [2024-11-09 06:58:33,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979355790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:33,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:33,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:33,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043824852] [2024-11-09 06:58:33,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:33,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:33,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:33,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:33,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:33,810 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 547 [2024-11-09 06:58:33,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 516 transitions, 1044 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:33,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:33,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 547 [2024-11-09 06:58:33,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:34,133 INFO L124 PetriNetUnfolderBase]: 76/866 cut-off events. [2024-11-09 06:58:34,134 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-09 06:58:34,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 866 events. 76/866 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4855 event pairs, 66 based on Foata normal form. 0/680 useless extension candidates. Maximal degree in co-relation 1061. Up to 171 conditions per place. [2024-11-09 06:58:34,166 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 35 selfloop transitions, 2 changer transitions 0/515 dead transitions. [2024-11-09 06:58:34,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 515 transitions, 1116 flow [2024-11-09 06:58:34,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1541 transitions. [2024-11-09 06:58:34,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390615478366849 [2024-11-09 06:58:34,170 INFO L175 Difference]: Start difference. First operand has 517 places, 516 transitions, 1044 flow. Second operand 3 states and 1541 transitions. [2024-11-09 06:58:34,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 515 transitions, 1116 flow [2024-11-09 06:58:34,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 515 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:34,180 INFO L231 Difference]: Finished difference. Result has 515 places, 515 transitions, 1042 flow [2024-11-09 06:58:34,181 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1042, PETRI_PLACES=515, PETRI_TRANSITIONS=515} [2024-11-09 06:58:34,182 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -9 predicate places. [2024-11-09 06:58:34,182 INFO L471 AbstractCegarLoop]: Abstraction has has 515 places, 515 transitions, 1042 flow [2024-11-09 06:58:34,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:34,184 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:34,184 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] [2024-11-09 06:58:34,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:58:34,185 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:34,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:34,185 INFO L85 PathProgramCache]: Analyzing trace with hash 912243120, now seen corresponding path program 1 times [2024-11-09 06:58:34,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:34,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349080675] [2024-11-09 06:58:34,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:34,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:34,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:34,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349080675] [2024-11-09 06:58:34,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349080675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:34,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:34,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:34,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733443258] [2024-11-09 06:58:34,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:34,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:34,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:34,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:34,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:34,390 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 547 [2024-11-09 06:58:34,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 515 transitions, 1042 flow. Second operand has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:34,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:34,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 547 [2024-11-09 06:58:34,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:34,704 INFO L124 PetriNetUnfolderBase]: 76/793 cut-off events. [2024-11-09 06:58:34,705 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-09 06:58:34,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 997 conditions, 793 events. 76/793 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4246 event pairs, 66 based on Foata normal form. 0/633 useless extension candidates. Maximal degree in co-relation 960. Up to 172 conditions per place. [2024-11-09 06:58:34,739 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/514 dead transitions. [2024-11-09 06:58:34,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 514 transitions, 1116 flow [2024-11-09 06:58:34,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:34,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:34,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1539 transitions. [2024-11-09 06:58:34,745 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9378427787934186 [2024-11-09 06:58:34,745 INFO L175 Difference]: Start difference. First operand has 515 places, 515 transitions, 1042 flow. Second operand 3 states and 1539 transitions. [2024-11-09 06:58:34,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 514 transitions, 1116 flow [2024-11-09 06:58:34,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 514 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:34,754 INFO L231 Difference]: Finished difference. Result has 514 places, 514 transitions, 1040 flow [2024-11-09 06:58:34,755 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=512, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1040, PETRI_PLACES=514, PETRI_TRANSITIONS=514} [2024-11-09 06:58:34,756 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -10 predicate places. [2024-11-09 06:58:34,757 INFO L471 AbstractCegarLoop]: Abstraction has has 514 places, 514 transitions, 1040 flow [2024-11-09 06:58:34,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:34,758 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:34,758 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] [2024-11-09 06:58:34,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:58:34,759 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:34,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:34,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1256833865, now seen corresponding path program 1 times [2024-11-09 06:58:34,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:34,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369707765] [2024-11-09 06:58:34,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:34,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:34,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:34,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369707765] [2024-11-09 06:58:34,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369707765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:34,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:34,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:34,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358500060] [2024-11-09 06:58:34,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:34,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:34,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:34,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:34,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:34,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 547 [2024-11-09 06:58:34,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 514 transitions, 1040 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:34,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:34,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 547 [2024-11-09 06:58:34,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:35,151 INFO L124 PetriNetUnfolderBase]: 76/720 cut-off events. [2024-11-09 06:58:35,152 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-09 06:58:35,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 901 conditions, 720 events. 76/720 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3578 event pairs, 66 based on Foata normal form. 0/586 useless extension candidates. Maximal degree in co-relation 857. Up to 171 conditions per place. [2024-11-09 06:58:35,172 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 35 selfloop transitions, 2 changer transitions 0/513 dead transitions. [2024-11-09 06:58:35,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 513 transitions, 1112 flow [2024-11-09 06:58:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1541 transitions. [2024-11-09 06:58:35,176 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390615478366849 [2024-11-09 06:58:35,177 INFO L175 Difference]: Start difference. First operand has 514 places, 514 transitions, 1040 flow. Second operand 3 states and 1541 transitions. [2024-11-09 06:58:35,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 513 transitions, 1112 flow [2024-11-09 06:58:35,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 513 transitions, 1108 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:35,190 INFO L231 Difference]: Finished difference. Result has 513 places, 513 transitions, 1038 flow [2024-11-09 06:58:35,191 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=513, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1038, PETRI_PLACES=513, PETRI_TRANSITIONS=513} [2024-11-09 06:58:35,193 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -11 predicate places. [2024-11-09 06:58:35,193 INFO L471 AbstractCegarLoop]: Abstraction has has 513 places, 513 transitions, 1038 flow [2024-11-09 06:58:35,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:35,194 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:35,195 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:35,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:58:35,196 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:35,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:35,197 INFO L85 PathProgramCache]: Analyzing trace with hash 19328405, now seen corresponding path program 1 times [2024-11-09 06:58:35,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:35,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96418762] [2024-11-09 06:58:35,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:35,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:35,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:35,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96418762] [2024-11-09 06:58:35,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96418762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:35,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:35,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:35,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451481816] [2024-11-09 06:58:35,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:35,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:35,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:35,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:35,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:35,282 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 521 out of 547 [2024-11-09 06:58:35,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 513 transitions, 1038 flow. Second operand has 3 states, 3 states have (on average 522.3333333333334) internal successors, (1567), 3 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:35,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:35,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 521 of 547 [2024-11-09 06:58:35,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:36,085 INFO L124 PetriNetUnfolderBase]: 102/3430 cut-off events. [2024-11-09 06:58:36,087 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-09 06:58:36,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3595 conditions, 3430 events. 102/3430 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 31084 event pairs, 51 based on Foata normal form. 0/2582 useless extension candidates. Maximal degree in co-relation 3544. Up to 144 conditions per place. [2024-11-09 06:58:36,155 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 15 selfloop transitions, 2 changer transitions 0/512 dead transitions. [2024-11-09 06:58:36,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 512 transitions, 1070 flow [2024-11-09 06:58:36,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:36,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:36,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1581 transitions. [2024-11-09 06:58:36,159 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9634369287020109 [2024-11-09 06:58:36,159 INFO L175 Difference]: Start difference. First operand has 513 places, 513 transitions, 1038 flow. Second operand 3 states and 1581 transitions. [2024-11-09 06:58:36,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 512 transitions, 1070 flow [2024-11-09 06:58:36,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 512 transitions, 1066 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:36,168 INFO L231 Difference]: Finished difference. Result has 512 places, 512 transitions, 1036 flow [2024-11-09 06:58:36,169 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1036, PETRI_PLACES=512, PETRI_TRANSITIONS=512} [2024-11-09 06:58:36,171 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -12 predicate places. [2024-11-09 06:58:36,172 INFO L471 AbstractCegarLoop]: Abstraction has has 512 places, 512 transitions, 1036 flow [2024-11-09 06:58:36,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 522.3333333333334) internal successors, (1567), 3 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:36,173 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:36,173 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] [2024-11-09 06:58:36,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:58:36,173 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:36,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:36,174 INFO L85 PathProgramCache]: Analyzing trace with hash 333175722, now seen corresponding path program 1 times [2024-11-09 06:58:36,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:36,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686176460] [2024-11-09 06:58:36,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:36,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:36,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:36,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686176460] [2024-11-09 06:58:36,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686176460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:36,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:36,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:36,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11826885] [2024-11-09 06:58:36,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:36,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:36,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:36,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:36,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:36,333 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 470 out of 547 [2024-11-09 06:58:36,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 512 transitions, 1036 flow. Second operand has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:36,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:36,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 470 of 547 [2024-11-09 06:58:36,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:36,634 INFO L124 PetriNetUnfolderBase]: 121/846 cut-off events. [2024-11-09 06:58:36,634 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:58:36,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 846 events. 121/846 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4948 event pairs, 90 based on Foata normal form. 0/723 useless extension candidates. Maximal degree in co-relation 1186. Up to 228 conditions per place. [2024-11-09 06:58:36,658 INFO L140 encePairwiseOnDemand]: 514/547 looper letters, 41 selfloop transitions, 15 changer transitions 0/498 dead transitions. [2024-11-09 06:58:36,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 498 transitions, 1123 flow [2024-11-09 06:58:36,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:36,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:36,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1484 transitions. [2024-11-09 06:58:36,663 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9043266301035954 [2024-11-09 06:58:36,665 INFO L175 Difference]: Start difference. First operand has 512 places, 512 transitions, 1036 flow. Second operand 3 states and 1484 transitions. [2024-11-09 06:58:36,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 498 transitions, 1123 flow [2024-11-09 06:58:36,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 498 transitions, 1119 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:36,677 INFO L231 Difference]: Finished difference. Result has 495 places, 495 transitions, 1045 flow [2024-11-09 06:58:36,678 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=495, PETRI_TRANSITIONS=495} [2024-11-09 06:58:36,680 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -29 predicate places. [2024-11-09 06:58:36,681 INFO L471 AbstractCegarLoop]: Abstraction has has 495 places, 495 transitions, 1045 flow [2024-11-09 06:58:36,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:36,682 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:36,683 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] [2024-11-09 06:58:36,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:58:36,683 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:36,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:36,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1940640843, now seen corresponding path program 1 times [2024-11-09 06:58:36,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:36,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201392388] [2024-11-09 06:58:36,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:36,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:36,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:36,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201392388] [2024-11-09 06:58:36,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201392388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:36,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:36,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:36,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327682978] [2024-11-09 06:58:36,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:36,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:36,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:36,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:36,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:36,850 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 473 out of 547 [2024-11-09 06:58:36,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 495 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:36,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:36,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 473 of 547 [2024-11-09 06:58:36,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:37,134 INFO L124 PetriNetUnfolderBase]: 121/830 cut-off events. [2024-11-09 06:58:37,134 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-11-09 06:58:37,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 830 events. 121/830 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4984 event pairs, 90 based on Foata normal form. 0/725 useless extension candidates. Maximal degree in co-relation 1066. Up to 226 conditions per place. [2024-11-09 06:58:37,166 INFO L140 encePairwiseOnDemand]: 515/547 looper letters, 39 selfloop transitions, 15 changer transitions 0/482 dead transitions. [2024-11-09 06:58:37,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 482 transitions, 1130 flow [2024-11-09 06:58:37,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1490 transitions. [2024-11-09 06:58:37,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9079829372333943 [2024-11-09 06:58:37,170 INFO L175 Difference]: Start difference. First operand has 495 places, 495 transitions, 1045 flow. Second operand 3 states and 1490 transitions. [2024-11-09 06:58:37,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 482 transitions, 1130 flow [2024-11-09 06:58:37,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 482 transitions, 1115 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:58:37,179 INFO L231 Difference]: Finished difference. Result has 480 places, 479 transitions, 1045 flow [2024-11-09 06:58:37,179 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=480, PETRI_TRANSITIONS=479} [2024-11-09 06:58:37,180 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -44 predicate places. [2024-11-09 06:58:37,180 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 479 transitions, 1045 flow [2024-11-09 06:58:37,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:37,182 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:37,182 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] [2024-11-09 06:58:37,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:58:37,182 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:37,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:37,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1954910513, now seen corresponding path program 1 times [2024-11-09 06:58:37,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:37,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018143529] [2024-11-09 06:58:37,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:37,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:37,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:37,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018143529] [2024-11-09 06:58:37,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018143529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:37,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:37,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:37,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917690235] [2024-11-09 06:58:37,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:37,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:37,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:37,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:37,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:37,325 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 470 out of 547 [2024-11-09 06:58:37,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 479 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:37,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:37,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 470 of 547 [2024-11-09 06:58:37,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:37,643 INFO L124 PetriNetUnfolderBase]: 128/1092 cut-off events. [2024-11-09 06:58:37,643 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES. [2024-11-09 06:58:37,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1092 events. 128/1092 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6933 event pairs, 21 based on Foata normal form. 0/973 useless extension candidates. Maximal degree in co-relation 1271. Up to 232 conditions per place. [2024-11-09 06:58:37,689 INFO L140 encePairwiseOnDemand]: 513/547 looper letters, 44 selfloop transitions, 16 changer transitions 0/469 dead transitions. [2024-11-09 06:58:37,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 469 transitions, 1151 flow [2024-11-09 06:58:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:37,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1488 transitions. [2024-11-09 06:58:37,694 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.906764168190128 [2024-11-09 06:58:37,694 INFO L175 Difference]: Start difference. First operand has 480 places, 479 transitions, 1045 flow. Second operand 3 states and 1488 transitions. [2024-11-09 06:58:37,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 469 transitions, 1151 flow [2024-11-09 06:58:37,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 469 transitions, 1136 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:58:37,706 INFO L231 Difference]: Finished difference. Result has 464 places, 463 transitions, 1050 flow [2024-11-09 06:58:37,708 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=994, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1050, PETRI_PLACES=464, PETRI_TRANSITIONS=463} [2024-11-09 06:58:37,710 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -60 predicate places. [2024-11-09 06:58:37,710 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 463 transitions, 1050 flow [2024-11-09 06:58:37,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:37,712 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:37,712 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] [2024-11-09 06:58:37,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:58:37,712 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:37,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:37,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1768258167, now seen corresponding path program 1 times [2024-11-09 06:58:37,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:37,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411762088] [2024-11-09 06:58:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:37,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:37,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:37,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411762088] [2024-11-09 06:58:37,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411762088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:37,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:37,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:58:37,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556337228] [2024-11-09 06:58:37,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:37,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:58:37,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:37,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:58:37,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:58:37,820 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 520 out of 547 [2024-11-09 06:58:37,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 463 transitions, 1050 flow. Second operand has 4 states, 4 states have (on average 521.25) internal successors, (2085), 4 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:37,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:37,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 520 of 547 [2024-11-09 06:58:37,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:38,035 INFO L124 PetriNetUnfolderBase]: 12/791 cut-off events. [2024-11-09 06:58:38,035 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-09 06:58:38,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 791 events. 12/791 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3610 event pairs, 0 based on Foata normal form. 0/692 useless extension candidates. Maximal degree in co-relation 657. Up to 26 conditions per place. [2024-11-09 06:58:38,048 INFO L140 encePairwiseOnDemand]: 541/547 looper letters, 19 selfloop transitions, 5 changer transitions 0/468 dead transitions. [2024-11-09 06:58:38,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 468 transitions, 1108 flow [2024-11-09 06:58:38,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:58:38,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 06:58:38,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2625 transitions. [2024-11-09 06:58:38,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9597806215722121 [2024-11-09 06:58:38,054 INFO L175 Difference]: Start difference. First operand has 464 places, 463 transitions, 1050 flow. Second operand 5 states and 2625 transitions. [2024-11-09 06:58:38,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 468 transitions, 1108 flow [2024-11-09 06:58:38,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 468 transitions, 1092 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:58:38,066 INFO L231 Difference]: Finished difference. Result has 471 places, 467 transitions, 1072 flow [2024-11-09 06:58:38,067 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1072, PETRI_PLACES=471, PETRI_TRANSITIONS=467} [2024-11-09 06:58:38,068 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -53 predicate places. [2024-11-09 06:58:38,070 INFO L471 AbstractCegarLoop]: Abstraction has has 471 places, 467 transitions, 1072 flow [2024-11-09 06:58:38,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 521.25) internal successors, (2085), 4 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:38,072 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:38,073 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] [2024-11-09 06:58:38,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:58:38,073 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:38,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:38,074 INFO L85 PathProgramCache]: Analyzing trace with hash -201026761, now seen corresponding path program 1 times [2024-11-09 06:58:38,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:38,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141294060] [2024-11-09 06:58:38,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:38,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:38,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:38,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:38,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141294060] [2024-11-09 06:58:38,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141294060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:38,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:38,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:38,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506961931] [2024-11-09 06:58:38,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:38,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:38,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:38,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:38,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:38,214 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 473 out of 547 [2024-11-09 06:58:38,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 467 transitions, 1072 flow. Second operand has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:38,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:38,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 473 of 547 [2024-11-09 06:58:38,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:38,619 INFO L124 PetriNetUnfolderBase]: 208/1557 cut-off events. [2024-11-09 06:58:38,620 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2024-11-09 06:58:38,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 1557 events. 208/1557 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 11586 event pairs, 35 based on Foata normal form. 1/1441 useless extension candidates. Maximal degree in co-relation 1733. Up to 380 conditions per place. [2024-11-09 06:58:38,669 INFO L140 encePairwiseOnDemand]: 515/547 looper letters, 40 selfloop transitions, 15 changer transitions 10/458 dead transitions. [2024-11-09 06:58:38,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 458 transitions, 1175 flow [2024-11-09 06:58:38,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:38,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1493 transitions. [2024-11-09 06:58:38,674 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9098110907982937 [2024-11-09 06:58:38,674 INFO L175 Difference]: Start difference. First operand has 471 places, 467 transitions, 1072 flow. Second operand 3 states and 1493 transitions. [2024-11-09 06:58:38,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 458 transitions, 1175 flow [2024-11-09 06:58:38,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 458 transitions, 1175 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:58:38,683 INFO L231 Difference]: Finished difference. Result has 457 places, 441 transitions, 1066 flow [2024-11-09 06:58:38,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1066, PETRI_PLACES=457, PETRI_TRANSITIONS=441} [2024-11-09 06:58:38,685 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -67 predicate places. [2024-11-09 06:58:38,685 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 441 transitions, 1066 flow [2024-11-09 06:58:38,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:38,687 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:38,687 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] [2024-11-09 06:58:38,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:58:38,687 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:38,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:38,688 INFO L85 PathProgramCache]: Analyzing trace with hash -2059482231, now seen corresponding path program 1 times [2024-11-09 06:58:38,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:38,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734594358] [2024-11-09 06:58:38,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:38,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:38,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:38,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:38,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734594358] [2024-11-09 06:58:38,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734594358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:38,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:38,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:38,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344182463] [2024-11-09 06:58:38,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:38,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:38,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:38,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:38,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:38,771 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 519 out of 547 [2024-11-09 06:58:38,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 441 transitions, 1066 flow. Second operand has 3 states, 3 states have (on average 520.3333333333334) internal successors, (1561), 3 states have internal predecessors, (1561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:38,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:38,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 519 of 547 [2024-11-09 06:58:38,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:41,380 INFO L124 PetriNetUnfolderBase]: 751/14488 cut-off events. [2024-11-09 06:58:41,380 INFO L125 PetriNetUnfolderBase]: For 439/439 co-relation queries the response was YES. [2024-11-09 06:58:41,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18474 conditions, 14488 events. 751/14488 cut-off events. For 439/439 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 189683 event pairs, 349 based on Foata normal form. 0/12919 useless extension candidates. Maximal degree in co-relation 14026. Up to 1015 conditions per place. [2024-11-09 06:58:41,536 INFO L140 encePairwiseOnDemand]: 539/547 looper letters, 19 selfloop transitions, 4 changer transitions 0/444 dead transitions. [2024-11-09 06:58:41,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 444 transitions, 1121 flow [2024-11-09 06:58:41,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:41,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1584 transitions. [2024-11-09 06:58:41,540 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9652650822669104 [2024-11-09 06:58:41,541 INFO L175 Difference]: Start difference. First operand has 457 places, 441 transitions, 1066 flow. Second operand 3 states and 1584 transitions. [2024-11-09 06:58:41,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 444 transitions, 1121 flow [2024-11-09 06:58:41,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 444 transitions, 1106 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:58:41,559 INFO L231 Difference]: Finished difference. Result has 445 places, 441 transitions, 1071 flow [2024-11-09 06:58:41,560 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1071, PETRI_PLACES=445, PETRI_TRANSITIONS=441} [2024-11-09 06:58:41,560 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -79 predicate places. [2024-11-09 06:58:41,560 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 441 transitions, 1071 flow [2024-11-09 06:58:41,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 520.3333333333334) internal successors, (1561), 3 states have internal predecessors, (1561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:41,562 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:41,562 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] [2024-11-09 06:58:41,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:58:41,562 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:41,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:41,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1247581148, now seen corresponding path program 1 times [2024-11-09 06:58:41,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:41,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397412149] [2024-11-09 06:58:41,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:41,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:41,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:41,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397412149] [2024-11-09 06:58:41,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397412149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:41,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:41,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:41,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384497125] [2024-11-09 06:58:41,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:41,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:41,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:41,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:41,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:41,741 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:58:41,743 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 441 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:41,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:41,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:58:41,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:42,840 INFO L124 PetriNetUnfolderBase]: 365/4355 cut-off events. [2024-11-09 06:58:42,840 INFO L125 PetriNetUnfolderBase]: For 167/179 co-relation queries the response was YES. [2024-11-09 06:58:42,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6095 conditions, 4355 events. 365/4355 cut-off events. For 167/179 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 42937 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 4185. Up to 528 conditions per place. [2024-11-09 06:58:42,927 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2024-11-09 06:58:42,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 443 transitions, 1156 flow [2024-11-09 06:58:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:42,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:42,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:58:42,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:58:42,935 INFO L175 Difference]: Start difference. First operand has 445 places, 441 transitions, 1071 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:58:42,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 443 transitions, 1156 flow [2024-11-09 06:58:42,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 443 transitions, 1156 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:58:42,946 INFO L231 Difference]: Finished difference. Result has 446 places, 440 transitions, 1073 flow [2024-11-09 06:58:42,947 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1069, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1073, PETRI_PLACES=446, PETRI_TRANSITIONS=440} [2024-11-09 06:58:42,948 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -78 predicate places. [2024-11-09 06:58:42,948 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 440 transitions, 1073 flow [2024-11-09 06:58:42,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:42,950 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:42,951 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] [2024-11-09 06:58:42,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:58:42,951 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:42,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:42,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1627907548, now seen corresponding path program 1 times [2024-11-09 06:58:42,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:42,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629004444] [2024-11-09 06:58:42,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:42,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:43,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:43,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629004444] [2024-11-09 06:58:43,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629004444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:43,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:43,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:43,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224374393] [2024-11-09 06:58:43,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:43,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:43,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:43,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:43,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:43,109 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:58:43,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 440 transitions, 1073 flow. Second operand has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:43,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:43,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:58:43,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:44,532 INFO L124 PetriNetUnfolderBase]: 692/5707 cut-off events. [2024-11-09 06:58:44,532 INFO L125 PetriNetUnfolderBase]: For 586/594 co-relation queries the response was YES. [2024-11-09 06:58:44,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8572 conditions, 5707 events. 692/5707 cut-off events. For 586/594 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 60458 event pairs, 499 based on Foata normal form. 0/5177 useless extension candidates. Maximal degree in co-relation 8263. Up to 1234 conditions per place. [2024-11-09 06:58:44,636 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/442 dead transitions. [2024-11-09 06:58:44,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 442 transitions, 1156 flow [2024-11-09 06:58:44,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:44,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:58:44,641 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:58:44,641 INFO L175 Difference]: Start difference. First operand has 446 places, 440 transitions, 1073 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:58:44,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 442 transitions, 1156 flow [2024-11-09 06:58:44,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 442 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:44,653 INFO L231 Difference]: Finished difference. Result has 445 places, 439 transitions, 1071 flow [2024-11-09 06:58:44,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1067, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1071, PETRI_PLACES=445, PETRI_TRANSITIONS=439} [2024-11-09 06:58:44,655 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -79 predicate places. [2024-11-09 06:58:44,655 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 439 transitions, 1071 flow [2024-11-09 06:58:44,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:44,656 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:44,657 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] [2024-11-09 06:58:44,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:58:44,657 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:44,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:44,658 INFO L85 PathProgramCache]: Analyzing trace with hash -425638923, now seen corresponding path program 1 times [2024-11-09 06:58:44,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:44,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959330565] [2024-11-09 06:58:44,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:44,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:44,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:44,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959330565] [2024-11-09 06:58:44,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959330565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:44,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:44,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:44,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605000688] [2024-11-09 06:58:44,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:44,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:44,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:44,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:44,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:44,803 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:58:44,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 439 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:44,806 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:44,806 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:58:44,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:45,723 INFO L124 PetriNetUnfolderBase]: 365/4331 cut-off events. [2024-11-09 06:58:45,723 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-09 06:58:45,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6096 conditions, 4331 events. 365/4331 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 42637 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5064. Up to 528 conditions per place. [2024-11-09 06:58:45,775 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/441 dead transitions. [2024-11-09 06:58:45,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 441 transitions, 1156 flow [2024-11-09 06:58:45,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:45,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:58:45,778 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:58:45,779 INFO L175 Difference]: Start difference. First operand has 445 places, 439 transitions, 1071 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:58:45,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 441 transitions, 1156 flow [2024-11-09 06:58:45,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 441 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:45,788 INFO L231 Difference]: Finished difference. Result has 444 places, 438 transitions, 1069 flow [2024-11-09 06:58:45,788 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1069, PETRI_PLACES=444, PETRI_TRANSITIONS=438} [2024-11-09 06:58:45,789 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -80 predicate places. [2024-11-09 06:58:45,789 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 438 transitions, 1069 flow [2024-11-09 06:58:45,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:45,790 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:45,790 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] [2024-11-09 06:58:45,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:58:45,790 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:45,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:45,791 INFO L85 PathProgramCache]: Analyzing trace with hash 610222375, now seen corresponding path program 1 times [2024-11-09 06:58:45,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:45,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244802845] [2024-11-09 06:58:45,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:45,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:45,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:45,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244802845] [2024-11-09 06:58:45,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244802845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:45,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:45,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:45,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335512818] [2024-11-09 06:58:45,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:45,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:45,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:45,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:45,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:45,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:58:45,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 438 transitions, 1069 flow. Second operand has 3 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:45,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:45,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:58:45,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:46,965 INFO L124 PetriNetUnfolderBase]: 462/4381 cut-off events. [2024-11-09 06:58:46,965 INFO L125 PetriNetUnfolderBase]: For 474/477 co-relation queries the response was YES. [2024-11-09 06:58:47,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6384 conditions, 4381 events. 462/4381 cut-off events. For 474/477 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 43368 event pairs, 314 based on Foata normal form. 0/3978 useless extension candidates. Maximal degree in co-relation 6125. Up to 853 conditions per place. [2024-11-09 06:58:47,029 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/440 dead transitions. [2024-11-09 06:58:47,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 440 transitions, 1156 flow [2024-11-09 06:58:47,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:47,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:58:47,033 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:58:47,033 INFO L175 Difference]: Start difference. First operand has 444 places, 438 transitions, 1069 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:58:47,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 440 transitions, 1156 flow [2024-11-09 06:58:47,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 440 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:47,044 INFO L231 Difference]: Finished difference. Result has 443 places, 437 transitions, 1067 flow [2024-11-09 06:58:47,045 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1063, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1067, PETRI_PLACES=443, PETRI_TRANSITIONS=437} [2024-11-09 06:58:47,046 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -81 predicate places. [2024-11-09 06:58:47,046 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 437 transitions, 1067 flow [2024-11-09 06:58:47,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:47,047 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:47,047 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] [2024-11-09 06:58:47,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:58:47,048 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:47,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:47,048 INFO L85 PathProgramCache]: Analyzing trace with hash 615909789, now seen corresponding path program 1 times [2024-11-09 06:58:47,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:47,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686853676] [2024-11-09 06:58:47,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:47,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:47,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:47,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686853676] [2024-11-09 06:58:47,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686853676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:47,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:47,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:47,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070090411] [2024-11-09 06:58:47,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:47,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:47,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:47,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:47,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:47,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:58:47,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 437 transitions, 1067 flow. Second operand has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:47,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:47,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:58:47,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:48,733 INFO L124 PetriNetUnfolderBase]: 704/5884 cut-off events. [2024-11-09 06:58:48,733 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-09 06:58:48,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8825 conditions, 5884 events. 704/5884 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 62238 event pairs, 499 based on Foata normal form. 0/5374 useless extension candidates. Maximal degree in co-relation 7629. Up to 1234 conditions per place. [2024-11-09 06:58:48,838 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/439 dead transitions. [2024-11-09 06:58:48,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 439 transitions, 1150 flow [2024-11-09 06:58:48,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:48,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:58:48,841 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:58:48,841 INFO L175 Difference]: Start difference. First operand has 443 places, 437 transitions, 1067 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:58:48,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 439 transitions, 1150 flow [2024-11-09 06:58:48,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 439 transitions, 1146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:48,853 INFO L231 Difference]: Finished difference. Result has 442 places, 436 transitions, 1065 flow [2024-11-09 06:58:48,853 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1061, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1065, PETRI_PLACES=442, PETRI_TRANSITIONS=436} [2024-11-09 06:58:48,854 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -82 predicate places. [2024-11-09 06:58:48,855 INFO L471 AbstractCegarLoop]: Abstraction has has 442 places, 436 transitions, 1065 flow [2024-11-09 06:58:48,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:48,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:48,856 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] [2024-11-09 06:58:48,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 06:58:48,856 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:48,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:48,857 INFO L85 PathProgramCache]: Analyzing trace with hash 32612688, now seen corresponding path program 1 times [2024-11-09 06:58:48,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:48,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138691414] [2024-11-09 06:58:48,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:48,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:48,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:48,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138691414] [2024-11-09 06:58:48,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138691414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:48,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:48,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:48,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853778144] [2024-11-09 06:58:48,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:48,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:48,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:48,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:48,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:49,007 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:58:49,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 436 transitions, 1065 flow. Second operand has 3 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:49,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:49,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:58:49,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:50,190 INFO L124 PetriNetUnfolderBase]: 365/4294 cut-off events. [2024-11-09 06:58:50,190 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-09 06:58:50,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6059 conditions, 4294 events. 365/4294 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 42076 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5171. Up to 528 conditions per place. [2024-11-09 06:58:50,251 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/438 dead transitions. [2024-11-09 06:58:50,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 438 transitions, 1150 flow [2024-11-09 06:58:50,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:50,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:50,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:58:50,256 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:58:50,256 INFO L175 Difference]: Start difference. First operand has 442 places, 436 transitions, 1065 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:58:50,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 438 transitions, 1150 flow [2024-11-09 06:58:50,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 438 transitions, 1146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:50,268 INFO L231 Difference]: Finished difference. Result has 441 places, 435 transitions, 1063 flow [2024-11-09 06:58:50,268 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1059, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1063, PETRI_PLACES=441, PETRI_TRANSITIONS=435} [2024-11-09 06:58:50,269 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -83 predicate places. [2024-11-09 06:58:50,269 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 435 transitions, 1063 flow [2024-11-09 06:58:50,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:50,270 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:50,270 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] [2024-11-09 06:58:50,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 06:58:50,271 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:50,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:50,271 INFO L85 PathProgramCache]: Analyzing trace with hash -275524442, now seen corresponding path program 1 times [2024-11-09 06:58:50,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:50,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107427512] [2024-11-09 06:58:50,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:50,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:50,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:50,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107427512] [2024-11-09 06:58:50,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107427512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:50,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:50,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:50,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142761364] [2024-11-09 06:58:50,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:50,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:50,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:50,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:50,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:50,417 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:58:50,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 435 transitions, 1063 flow. Second operand has 3 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:50,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:50,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:58:50,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:51,225 INFO L124 PetriNetUnfolderBase]: 235/3323 cut-off events. [2024-11-09 06:58:51,225 INFO L125 PetriNetUnfolderBase]: For 300/307 co-relation queries the response was YES. [2024-11-09 06:58:51,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4541 conditions, 3323 events. 235/3323 cut-off events. For 300/307 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 30187 event pairs, 129 based on Foata normal form. 1/3029 useless extension candidates. Maximal degree in co-relation 4326. Up to 435 conditions per place. [2024-11-09 06:58:51,261 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/437 dead transitions. [2024-11-09 06:58:51,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 437 transitions, 1146 flow [2024-11-09 06:58:51,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:51,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:58:51,264 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:58:51,264 INFO L175 Difference]: Start difference. First operand has 441 places, 435 transitions, 1063 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:58:51,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 437 transitions, 1146 flow [2024-11-09 06:58:51,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 437 transitions, 1142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:51,273 INFO L231 Difference]: Finished difference. Result has 440 places, 434 transitions, 1061 flow [2024-11-09 06:58:51,273 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1057, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1061, PETRI_PLACES=440, PETRI_TRANSITIONS=434} [2024-11-09 06:58:51,273 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -84 predicate places. [2024-11-09 06:58:51,274 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 434 transitions, 1061 flow [2024-11-09 06:58:51,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:51,274 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:51,274 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] [2024-11-09 06:58:51,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 06:58:51,274 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:51,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:51,275 INFO L85 PathProgramCache]: Analyzing trace with hash -307166446, now seen corresponding path program 1 times [2024-11-09 06:58:51,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:51,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400927674] [2024-11-09 06:58:51,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:51,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:51,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:51,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400927674] [2024-11-09 06:58:51,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400927674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:51,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:51,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:51,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535669370] [2024-11-09 06:58:51,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:51,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:51,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:51,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:51,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:51,403 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:58:51,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 434 transitions, 1061 flow. Second operand has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:51,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:51,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:58:51,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:52,223 INFO L124 PetriNetUnfolderBase]: 462/4321 cut-off events. [2024-11-09 06:58:52,223 INFO L125 PetriNetUnfolderBase]: For 477/480 co-relation queries the response was YES. [2024-11-09 06:58:52,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6336 conditions, 4321 events. 462/4321 cut-off events. For 477/480 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 42521 event pairs, 314 based on Foata normal form. 0/3966 useless extension candidates. Maximal degree in co-relation 5565. Up to 853 conditions per place. [2024-11-09 06:58:52,286 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/436 dead transitions. [2024-11-09 06:58:52,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 436 transitions, 1148 flow [2024-11-09 06:58:52,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:52,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:58:52,290 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:58:52,290 INFO L175 Difference]: Start difference. First operand has 440 places, 434 transitions, 1061 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:58:52,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 436 transitions, 1148 flow [2024-11-09 06:58:52,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 436 transitions, 1144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:52,301 INFO L231 Difference]: Finished difference. Result has 439 places, 433 transitions, 1059 flow [2024-11-09 06:58:52,302 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1055, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1059, PETRI_PLACES=439, PETRI_TRANSITIONS=433} [2024-11-09 06:58:52,302 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -85 predicate places. [2024-11-09 06:58:52,302 INFO L471 AbstractCegarLoop]: Abstraction has has 439 places, 433 transitions, 1059 flow [2024-11-09 06:58:52,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:52,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:52,303 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] [2024-11-09 06:58:52,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 06:58:52,304 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:52,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:52,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1012173064, now seen corresponding path program 1 times [2024-11-09 06:58:52,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:52,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972737094] [2024-11-09 06:58:52,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:52,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:52,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:52,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972737094] [2024-11-09 06:58:52,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972737094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:52,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:52,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:52,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949027507] [2024-11-09 06:58:52,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:52,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:52,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:52,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:52,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:52,443 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:58:52,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 433 transitions, 1059 flow. Second operand has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:52,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:52,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:58:52,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:53,701 INFO L124 PetriNetUnfolderBase]: 716/6041 cut-off events. [2024-11-09 06:58:53,701 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-09 06:58:53,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9036 conditions, 6041 events. 716/6041 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 63802 event pairs, 499 based on Foata normal form. 0/5569 useless extension candidates. Maximal degree in co-relation 8002. Up to 1234 conditions per place. [2024-11-09 06:58:53,785 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/435 dead transitions. [2024-11-09 06:58:53,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 435 transitions, 1142 flow [2024-11-09 06:58:53,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:53,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:58:53,787 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:58:53,788 INFO L175 Difference]: Start difference. First operand has 439 places, 433 transitions, 1059 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:58:53,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 435 transitions, 1142 flow [2024-11-09 06:58:53,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 435 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:53,798 INFO L231 Difference]: Finished difference. Result has 438 places, 432 transitions, 1057 flow [2024-11-09 06:58:53,799 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1057, PETRI_PLACES=438, PETRI_TRANSITIONS=432} [2024-11-09 06:58:53,799 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -86 predicate places. [2024-11-09 06:58:53,800 INFO L471 AbstractCegarLoop]: Abstraction has has 438 places, 432 transitions, 1057 flow [2024-11-09 06:58:53,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:53,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:53,801 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] [2024-11-09 06:58:53,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 06:58:53,801 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:53,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:53,801 INFO L85 PathProgramCache]: Analyzing trace with hash -2037640095, now seen corresponding path program 1 times [2024-11-09 06:58:53,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:53,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668021604] [2024-11-09 06:58:53,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:53,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:53,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:53,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668021604] [2024-11-09 06:58:53,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668021604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:53,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:53,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:53,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981786040] [2024-11-09 06:58:53,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:53,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:53,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:53,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:53,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:53,931 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:58:53,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 432 transitions, 1057 flow. Second operand has 3 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:53,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:53,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:58:53,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:54,816 INFO L124 PetriNetUnfolderBase]: 365/4246 cut-off events. [2024-11-09 06:58:54,816 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-09 06:58:54,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6011 conditions, 4246 events. 365/4246 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 41403 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5267. Up to 528 conditions per place. [2024-11-09 06:58:54,884 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2024-11-09 06:58:54,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 434 transitions, 1142 flow [2024-11-09 06:58:54,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:54,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:58:54,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:58:54,887 INFO L175 Difference]: Start difference. First operand has 438 places, 432 transitions, 1057 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:58:54,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 434 transitions, 1142 flow [2024-11-09 06:58:54,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 434 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:54,897 INFO L231 Difference]: Finished difference. Result has 437 places, 431 transitions, 1055 flow [2024-11-09 06:58:54,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1051, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1055, PETRI_PLACES=437, PETRI_TRANSITIONS=431} [2024-11-09 06:58:54,898 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -87 predicate places. [2024-11-09 06:58:54,899 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 431 transitions, 1055 flow [2024-11-09 06:58:54,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:54,900 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:54,900 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] [2024-11-09 06:58:54,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 06:58:54,900 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:54,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:54,901 INFO L85 PathProgramCache]: Analyzing trace with hash -417808685, now seen corresponding path program 1 times [2024-11-09 06:58:54,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:54,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113576802] [2024-11-09 06:58:54,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:54,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:54,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:54,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:54,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113576802] [2024-11-09 06:58:54,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113576802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:54,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:54,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:54,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647212308] [2024-11-09 06:58:54,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:54,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:54,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:54,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:54,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:55,043 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:58:55,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 431 transitions, 1055 flow. Second operand has 3 states, 3 states have (on average 507.6666666666667) internal successors, (1523), 3 states have internal predecessors, (1523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:55,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:55,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:58:55,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:55,721 INFO L124 PetriNetUnfolderBase]: 235/3321 cut-off events. [2024-11-09 06:58:55,721 INFO L125 PetriNetUnfolderBase]: For 300/304 co-relation queries the response was YES. [2024-11-09 06:58:55,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4539 conditions, 3321 events. 235/3321 cut-off events. For 300/304 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 30112 event pairs, 129 based on Foata normal form. 0/3058 useless extension candidates. Maximal degree in co-relation 4360. Up to 435 conditions per place. [2024-11-09 06:58:55,755 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/433 dead transitions. [2024-11-09 06:58:55,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 433 transitions, 1138 flow [2024-11-09 06:58:55,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:58:55,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:58:55,757 INFO L175 Difference]: Start difference. First operand has 437 places, 431 transitions, 1055 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:58:55,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 433 transitions, 1138 flow [2024-11-09 06:58:55,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 433 transitions, 1134 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:55,766 INFO L231 Difference]: Finished difference. Result has 436 places, 430 transitions, 1053 flow [2024-11-09 06:58:55,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1053, PETRI_PLACES=436, PETRI_TRANSITIONS=430} [2024-11-09 06:58:55,767 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -88 predicate places. [2024-11-09 06:58:55,767 INFO L471 AbstractCegarLoop]: Abstraction has has 436 places, 430 transitions, 1053 flow [2024-11-09 06:58:55,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.6666666666667) internal successors, (1523), 3 states have internal predecessors, (1523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:55,768 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:55,768 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] [2024-11-09 06:58:55,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 06:58:55,768 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:55,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:55,768 INFO L85 PathProgramCache]: Analyzing trace with hash 250229651, now seen corresponding path program 1 times [2024-11-09 06:58:55,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:55,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346413858] [2024-11-09 06:58:55,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:55,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:55,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:55,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:55,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346413858] [2024-11-09 06:58:55,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346413858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:55,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:55,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:55,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452583700] [2024-11-09 06:58:55,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:55,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:55,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:55,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:55,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:55,917 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:58:55,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 430 transitions, 1053 flow. Second operand has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:55,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:55,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:58:55,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:56,922 INFO L124 PetriNetUnfolderBase]: 462/4261 cut-off events. [2024-11-09 06:58:56,922 INFO L125 PetriNetUnfolderBase]: For 474/477 co-relation queries the response was YES. [2024-11-09 06:58:56,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6276 conditions, 4261 events. 462/4261 cut-off events. For 474/477 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 41740 event pairs, 314 based on Foata normal form. 0/3954 useless extension candidates. Maximal degree in co-relation 5613. Up to 853 conditions per place. [2024-11-09 06:58:57,016 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/432 dead transitions. [2024-11-09 06:58:57,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 432 transitions, 1140 flow [2024-11-09 06:58:57,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:58:57,019 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:58:57,019 INFO L175 Difference]: Start difference. First operand has 436 places, 430 transitions, 1053 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:58:57,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 432 transitions, 1140 flow [2024-11-09 06:58:57,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 432 transitions, 1136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:57,029 INFO L231 Difference]: Finished difference. Result has 435 places, 429 transitions, 1051 flow [2024-11-09 06:58:57,030 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1051, PETRI_PLACES=435, PETRI_TRANSITIONS=429} [2024-11-09 06:58:57,030 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -89 predicate places. [2024-11-09 06:58:57,030 INFO L471 AbstractCegarLoop]: Abstraction has has 435 places, 429 transitions, 1051 flow [2024-11-09 06:58:57,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:57,031 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:57,031 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:57,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 06:58:57,031 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:57,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:57,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1040307191, now seen corresponding path program 1 times [2024-11-09 06:58:57,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:57,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471330556] [2024-11-09 06:58:57,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:57,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:57,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:57,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:57,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471330556] [2024-11-09 06:58:57,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471330556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:57,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:57,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:57,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63451265] [2024-11-09 06:58:57,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:57,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:57,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:57,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:57,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:57,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:58:57,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 429 transitions, 1051 flow. Second operand has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:57,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:57,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:58:57,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:58,381 INFO L124 PetriNetUnfolderBase]: 728/6192 cut-off events. [2024-11-09 06:58:58,381 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-09 06:58:58,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9241 conditions, 6192 events. 728/6192 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 64819 event pairs, 499 based on Foata normal form. 0/5764 useless extension candidates. Maximal degree in co-relation 8369. Up to 1234 conditions per place. [2024-11-09 06:58:58,526 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/431 dead transitions. [2024-11-09 06:58:58,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 431 transitions, 1134 flow [2024-11-09 06:58:58,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:58,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:58,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:58:58,529 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:58:58,529 INFO L175 Difference]: Start difference. First operand has 435 places, 429 transitions, 1051 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:58:58,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 431 transitions, 1134 flow [2024-11-09 06:58:58,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 431 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:58,539 INFO L231 Difference]: Finished difference. Result has 434 places, 428 transitions, 1049 flow [2024-11-09 06:58:58,539 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1049, PETRI_PLACES=434, PETRI_TRANSITIONS=428} [2024-11-09 06:58:58,539 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -90 predicate places. [2024-11-09 06:58:58,539 INFO L471 AbstractCegarLoop]: Abstraction has has 434 places, 428 transitions, 1049 flow [2024-11-09 06:58:58,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:58,540 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:58,540 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] [2024-11-09 06:58:58,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 06:58:58,540 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:58,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:58,541 INFO L85 PathProgramCache]: Analyzing trace with hash 664436348, now seen corresponding path program 1 times [2024-11-09 06:58:58,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:58,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054014322] [2024-11-09 06:58:58,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:58,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:58,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:58,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:58,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054014322] [2024-11-09 06:58:58,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054014322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:58,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:58,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:58,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832825424] [2024-11-09 06:58:58,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:58,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:58,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:58,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:58,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:58,701 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:58:58,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 428 transitions, 1049 flow. Second operand has 3 states, 3 states have (on average 509.0) internal successors, (1527), 3 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:58,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:58,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:58:58,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:59,621 INFO L124 PetriNetUnfolderBase]: 365/4198 cut-off events. [2024-11-09 06:58:59,621 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-09 06:58:59,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5963 conditions, 4198 events. 365/4198 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 40694 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5363. Up to 528 conditions per place. [2024-11-09 06:58:59,702 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/430 dead transitions. [2024-11-09 06:58:59,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 430 transitions, 1134 flow [2024-11-09 06:58:59,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:58:59,705 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:58:59,705 INFO L175 Difference]: Start difference. First operand has 434 places, 428 transitions, 1049 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:58:59,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 430 transitions, 1134 flow [2024-11-09 06:58:59,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 430 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:59,718 INFO L231 Difference]: Finished difference. Result has 433 places, 427 transitions, 1047 flow [2024-11-09 06:58:59,719 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1047, PETRI_PLACES=433, PETRI_TRANSITIONS=427} [2024-11-09 06:58:59,719 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -91 predicate places. [2024-11-09 06:58:59,719 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 427 transitions, 1047 flow [2024-11-09 06:58:59,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.0) internal successors, (1527), 3 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:59,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:59,720 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] [2024-11-09 06:58:59,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 06:58:59,721 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread4Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:58:59,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:59,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1743064750, now seen corresponding path program 1 times [2024-11-09 06:58:59,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:59,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583564657] [2024-11-09 06:58:59,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:59,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:59,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:59,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:59,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583564657] [2024-11-09 06:58:59,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583564657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:59,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:59,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:59,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632972255] [2024-11-09 06:58:59,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:59,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:59,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:59,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:59,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:59,865 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:58:59,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 427 transitions, 1047 flow. Second operand has 3 states, 3 states have (on average 508.6666666666667) internal successors, (1526), 3 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:59,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:59,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:58:59,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:00,604 INFO L124 PetriNetUnfolderBase]: 235/3277 cut-off events. [2024-11-09 06:59:00,605 INFO L125 PetriNetUnfolderBase]: For 299/303 co-relation queries the response was YES. [2024-11-09 06:59:00,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4495 conditions, 3277 events. 235/3277 cut-off events. For 299/303 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 29454 event pairs, 129 based on Foata normal form. 0/3052 useless extension candidates. Maximal degree in co-relation 4352. Up to 435 conditions per place. [2024-11-09 06:59:00,665 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/429 dead transitions. [2024-11-09 06:59:00,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 429 transitions, 1130 flow [2024-11-09 06:59:00,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:00,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:59:00,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:59:00,669 INFO L175 Difference]: Start difference. First operand has 433 places, 427 transitions, 1047 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:59:00,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 429 transitions, 1130 flow [2024-11-09 06:59:00,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 429 transitions, 1126 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:00,680 INFO L231 Difference]: Finished difference. Result has 432 places, 426 transitions, 1045 flow [2024-11-09 06:59:00,681 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=432, PETRI_TRANSITIONS=426} [2024-11-09 06:59:00,681 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -92 predicate places. [2024-11-09 06:59:00,681 INFO L471 AbstractCegarLoop]: Abstraction has has 432 places, 426 transitions, 1045 flow [2024-11-09 06:59:00,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.6666666666667) internal successors, (1526), 3 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:00,682 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:00,682 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] [2024-11-09 06:59:00,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 06:59:00,682 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:00,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:00,683 INFO L85 PathProgramCache]: Analyzing trace with hash 2109734462, now seen corresponding path program 1 times [2024-11-09 06:59:00,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:00,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584296203] [2024-11-09 06:59:00,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:00,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:00,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:00,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584296203] [2024-11-09 06:59:00,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584296203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:00,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:00,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:00,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385190890] [2024-11-09 06:59:00,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:00,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:00,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:00,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:00,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:00,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:59:00,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 426 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:00,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:00,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:59:00,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:01,747 INFO L124 PetriNetUnfolderBase]: 462/4201 cut-off events. [2024-11-09 06:59:01,747 INFO L125 PetriNetUnfolderBase]: For 471/474 co-relation queries the response was YES. [2024-11-09 06:59:01,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6216 conditions, 4201 events. 462/4201 cut-off events. For 471/474 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 40965 event pairs, 314 based on Foata normal form. 0/3942 useless extension candidates. Maximal degree in co-relation 5661. Up to 853 conditions per place. [2024-11-09 06:59:01,826 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2024-11-09 06:59:01,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 428 transitions, 1132 flow [2024-11-09 06:59:01,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:01,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:01,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:59:01,829 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:59:01,829 INFO L175 Difference]: Start difference. First operand has 432 places, 426 transitions, 1045 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:59:01,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 428 transitions, 1132 flow [2024-11-09 06:59:01,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 428 transitions, 1128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:01,836 INFO L231 Difference]: Finished difference. Result has 431 places, 425 transitions, 1043 flow [2024-11-09 06:59:01,837 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1043, PETRI_PLACES=431, PETRI_TRANSITIONS=425} [2024-11-09 06:59:01,837 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -93 predicate places. [2024-11-09 06:59:01,837 INFO L471 AbstractCegarLoop]: Abstraction has has 431 places, 425 transitions, 1043 flow [2024-11-09 06:59:01,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:01,838 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:01,838 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] [2024-11-09 06:59:01,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 06:59:01,838 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread2Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:01,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:01,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1552133068, now seen corresponding path program 1 times [2024-11-09 06:59:01,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:01,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947120532] [2024-11-09 06:59:01,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:01,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:01,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:01,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:01,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947120532] [2024-11-09 06:59:01,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947120532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:01,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:01,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:01,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257352642] [2024-11-09 06:59:01,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:01,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:01,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:01,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:01,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:02,010 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:59:02,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 425 transitions, 1043 flow. Second operand has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:02,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:02,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:59:02,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:03,473 INFO L124 PetriNetUnfolderBase]: 740/6337 cut-off events. [2024-11-09 06:59:03,473 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-09 06:59:03,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9440 conditions, 6337 events. 740/6337 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 65710 event pairs, 499 based on Foata normal form. 0/5962 useless extension candidates. Maximal degree in co-relation 8730. Up to 1234 conditions per place. [2024-11-09 06:59:03,617 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/427 dead transitions. [2024-11-09 06:59:03,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 427 transitions, 1126 flow [2024-11-09 06:59:03,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:59:03,621 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:59:03,621 INFO L175 Difference]: Start difference. First operand has 431 places, 425 transitions, 1043 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:59:03,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 427 transitions, 1126 flow [2024-11-09 06:59:03,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 427 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:03,631 INFO L231 Difference]: Finished difference. Result has 430 places, 424 transitions, 1041 flow [2024-11-09 06:59:03,631 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1041, PETRI_PLACES=430, PETRI_TRANSITIONS=424} [2024-11-09 06:59:03,632 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -94 predicate places. [2024-11-09 06:59:03,632 INFO L471 AbstractCegarLoop]: Abstraction has has 430 places, 424 transitions, 1041 flow [2024-11-09 06:59:03,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:03,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:03,633 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] [2024-11-09 06:59:03,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 06:59:03,633 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread1Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:03,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:03,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1687764173, now seen corresponding path program 1 times [2024-11-09 06:59:03,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:03,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057467687] [2024-11-09 06:59:03,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:03,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:03,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:03,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:03,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057467687] [2024-11-09 06:59:03,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057467687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:03,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:03,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:03,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602378852] [2024-11-09 06:59:03,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:03,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:03,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:03,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:03,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:03,800 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:59:03,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 424 transitions, 1041 flow. Second operand has 3 states, 3 states have (on average 510.0) internal successors, (1530), 3 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:03,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:03,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:59:03,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:04,683 INFO L124 PetriNetUnfolderBase]: 365/4150 cut-off events. [2024-11-09 06:59:04,683 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-09 06:59:04,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5915 conditions, 4150 events. 365/4150 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 40070 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5459. Up to 528 conditions per place. [2024-11-09 06:59:04,762 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2024-11-09 06:59:04,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 426 transitions, 1126 flow [2024-11-09 06:59:04,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:04,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:04,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:59:04,765 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:59:04,765 INFO L175 Difference]: Start difference. First operand has 430 places, 424 transitions, 1041 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:59:04,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 426 transitions, 1126 flow [2024-11-09 06:59:04,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 426 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:04,773 INFO L231 Difference]: Finished difference. Result has 429 places, 423 transitions, 1039 flow [2024-11-09 06:59:04,774 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1039, PETRI_PLACES=429, PETRI_TRANSITIONS=423} [2024-11-09 06:59:04,774 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -95 predicate places. [2024-11-09 06:59:04,774 INFO L471 AbstractCegarLoop]: Abstraction has has 429 places, 423 transitions, 1039 flow [2024-11-09 06:59:04,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.0) internal successors, (1530), 3 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:04,775 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:04,775 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] [2024-11-09 06:59:04,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 06:59:04,775 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread4Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:04,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:04,776 INFO L85 PathProgramCache]: Analyzing trace with hash -745072705, now seen corresponding path program 1 times [2024-11-09 06:59:04,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:04,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271195469] [2024-11-09 06:59:04,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:04,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:04,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:04,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:04,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271195469] [2024-11-09 06:59:04,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271195469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:04,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:04,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:04,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574316646] [2024-11-09 06:59:04,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:04,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:04,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:04,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:04,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:04,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:59:04,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 423 transitions, 1039 flow. Second operand has 3 states, 3 states have (on average 509.6666666666667) internal successors, (1529), 3 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:04,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:04,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:59:04,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:05,606 INFO L124 PetriNetUnfolderBase]: 235/3233 cut-off events. [2024-11-09 06:59:05,607 INFO L125 PetriNetUnfolderBase]: For 299/303 co-relation queries the response was YES. [2024-11-09 06:59:05,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4451 conditions, 3233 events. 235/3233 cut-off events. For 299/303 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 28968 event pairs, 129 based on Foata normal form. 0/3046 useless extension candidates. Maximal degree in co-relation 4344. Up to 435 conditions per place. [2024-11-09 06:59:05,662 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/425 dead transitions. [2024-11-09 06:59:05,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 425 transitions, 1122 flow [2024-11-09 06:59:05,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:05,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:59:05,666 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:59:05,666 INFO L175 Difference]: Start difference. First operand has 429 places, 423 transitions, 1039 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:59:05,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 425 transitions, 1122 flow [2024-11-09 06:59:05,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 425 transitions, 1118 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:05,674 INFO L231 Difference]: Finished difference. Result has 428 places, 422 transitions, 1037 flow [2024-11-09 06:59:05,674 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1037, PETRI_PLACES=428, PETRI_TRANSITIONS=422} [2024-11-09 06:59:05,675 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -96 predicate places. [2024-11-09 06:59:05,675 INFO L471 AbstractCegarLoop]: Abstraction has has 428 places, 422 transitions, 1037 flow [2024-11-09 06:59:05,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.6666666666667) internal successors, (1529), 3 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:05,676 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:05,676 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] [2024-11-09 06:59:05,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 06:59:05,676 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:05,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:05,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1888681471, now seen corresponding path program 1 times [2024-11-09 06:59:05,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:05,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123763242] [2024-11-09 06:59:05,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:05,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:05,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:05,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123763242] [2024-11-09 06:59:05,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123763242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:05,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:05,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:05,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009824093] [2024-11-09 06:59:05,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:05,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:05,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:05,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:05,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:05,838 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:59:05,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 422 transitions, 1037 flow. Second operand has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:05,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:05,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:59:05,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:06,939 INFO L124 PetriNetUnfolderBase]: 462/4141 cut-off events. [2024-11-09 06:59:06,939 INFO L125 PetriNetUnfolderBase]: For 468/471 co-relation queries the response was YES. [2024-11-09 06:59:06,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6156 conditions, 4141 events. 462/4141 cut-off events. For 468/471 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 40127 event pairs, 314 based on Foata normal form. 0/3930 useless extension candidates. Maximal degree in co-relation 5709. Up to 853 conditions per place. [2024-11-09 06:59:07,019 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/424 dead transitions. [2024-11-09 06:59:07,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 424 transitions, 1124 flow [2024-11-09 06:59:07,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:59:07,022 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:59:07,022 INFO L175 Difference]: Start difference. First operand has 428 places, 422 transitions, 1037 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:59:07,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 424 transitions, 1124 flow [2024-11-09 06:59:07,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 424 transitions, 1120 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:07,030 INFO L231 Difference]: Finished difference. Result has 427 places, 421 transitions, 1035 flow [2024-11-09 06:59:07,030 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1031, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1035, PETRI_PLACES=427, PETRI_TRANSITIONS=421} [2024-11-09 06:59:07,030 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -97 predicate places. [2024-11-09 06:59:07,030 INFO L471 AbstractCegarLoop]: Abstraction has has 427 places, 421 transitions, 1035 flow [2024-11-09 06:59:07,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:07,031 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:07,031 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] [2024-11-09 06:59:07,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 06:59:07,032 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:07,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:07,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1937254005, now seen corresponding path program 1 times [2024-11-09 06:59:07,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:07,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831557329] [2024-11-09 06:59:07,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:07,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:07,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:07,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:07,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831557329] [2024-11-09 06:59:07,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831557329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:07,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:07,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:07,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24013023] [2024-11-09 06:59:07,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:07,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:07,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:07,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:07,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:07,199 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:59:07,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 421 transitions, 1035 flow. Second operand has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:07,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:07,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:59:07,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:08,651 INFO L124 PetriNetUnfolderBase]: 752/6476 cut-off events. [2024-11-09 06:59:08,652 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-09 06:59:08,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9633 conditions, 6476 events. 752/6476 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 66491 event pairs, 499 based on Foata normal form. 0/6160 useless extension candidates. Maximal degree in co-relation 9085. Up to 1234 conditions per place. [2024-11-09 06:59:08,792 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/423 dead transitions. [2024-11-09 06:59:08,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 423 transitions, 1118 flow [2024-11-09 06:59:08,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:08,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:59:08,794 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:59:08,794 INFO L175 Difference]: Start difference. First operand has 427 places, 421 transitions, 1035 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:59:08,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 423 transitions, 1118 flow [2024-11-09 06:59:08,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 423 transitions, 1114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:08,803 INFO L231 Difference]: Finished difference. Result has 426 places, 420 transitions, 1033 flow [2024-11-09 06:59:08,803 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1029, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1033, PETRI_PLACES=426, PETRI_TRANSITIONS=420} [2024-11-09 06:59:08,803 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -98 predicate places. [2024-11-09 06:59:08,804 INFO L471 AbstractCegarLoop]: Abstraction has has 426 places, 420 transitions, 1033 flow [2024-11-09 06:59:08,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:08,804 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:08,804 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] [2024-11-09 06:59:08,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 06:59:08,804 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:08,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:08,805 INFO L85 PathProgramCache]: Analyzing trace with hash 340001704, now seen corresponding path program 1 times [2024-11-09 06:59:08,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:08,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465557895] [2024-11-09 06:59:08,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:08,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:08,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:08,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465557895] [2024-11-09 06:59:08,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465557895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:08,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:08,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:08,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495580048] [2024-11-09 06:59:08,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:08,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:08,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:08,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:08,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:08,943 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:59:08,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 420 transitions, 1033 flow. Second operand has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:08,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:08,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:59:08,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:09,788 INFO L124 PetriNetUnfolderBase]: 365/4102 cut-off events. [2024-11-09 06:59:09,788 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-09 06:59:09,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5867 conditions, 4102 events. 365/4102 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 39429 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5555. Up to 528 conditions per place. [2024-11-09 06:59:09,864 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/422 dead transitions. [2024-11-09 06:59:09,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 422 transitions, 1118 flow [2024-11-09 06:59:09,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:09,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:59:09,868 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:59:09,868 INFO L175 Difference]: Start difference. First operand has 426 places, 420 transitions, 1033 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:59:09,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 422 transitions, 1118 flow [2024-11-09 06:59:09,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 422 transitions, 1114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:09,877 INFO L231 Difference]: Finished difference. Result has 425 places, 419 transitions, 1031 flow [2024-11-09 06:59:09,878 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1027, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1031, PETRI_PLACES=425, PETRI_TRANSITIONS=419} [2024-11-09 06:59:09,878 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -99 predicate places. [2024-11-09 06:59:09,878 INFO L471 AbstractCegarLoop]: Abstraction has has 425 places, 419 transitions, 1031 flow [2024-11-09 06:59:09,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:09,879 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:09,879 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] [2024-11-09 06:59:09,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 06:59:09,879 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread4Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:09,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:09,880 INFO L85 PathProgramCache]: Analyzing trace with hash 258070014, now seen corresponding path program 1 times [2024-11-09 06:59:09,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:09,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125575798] [2024-11-09 06:59:09,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:09,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:09,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:09,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125575798] [2024-11-09 06:59:09,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125575798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:09,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:09,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:09,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096288093] [2024-11-09 06:59:09,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:09,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:09,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:09,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:09,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:10,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:59:10,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 419 transitions, 1031 flow. Second operand has 3 states, 3 states have (on average 510.6666666666667) internal successors, (1532), 3 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:10,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:10,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:59:10,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:10,734 INFO L124 PetriNetUnfolderBase]: 235/3189 cut-off events. [2024-11-09 06:59:10,734 INFO L125 PetriNetUnfolderBase]: For 299/303 co-relation queries the response was YES. [2024-11-09 06:59:10,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4407 conditions, 3189 events. 235/3189 cut-off events. For 299/303 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 28363 event pairs, 129 based on Foata normal form. 0/3040 useless extension candidates. Maximal degree in co-relation 4336. Up to 435 conditions per place. [2024-11-09 06:59:10,788 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/421 dead transitions. [2024-11-09 06:59:10,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 421 transitions, 1114 flow [2024-11-09 06:59:10,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:10,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:59:10,791 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:59:10,791 INFO L175 Difference]: Start difference. First operand has 425 places, 419 transitions, 1031 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:59:10,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 421 transitions, 1114 flow [2024-11-09 06:59:10,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 421 transitions, 1110 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:10,800 INFO L231 Difference]: Finished difference. Result has 424 places, 418 transitions, 1029 flow [2024-11-09 06:59:10,800 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1025, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1029, PETRI_PLACES=424, PETRI_TRANSITIONS=418} [2024-11-09 06:59:10,801 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -100 predicate places. [2024-11-09 06:59:10,801 INFO L471 AbstractCegarLoop]: Abstraction has has 424 places, 418 transitions, 1029 flow [2024-11-09 06:59:10,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.6666666666667) internal successors, (1532), 3 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:10,801 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:10,801 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] [2024-11-09 06:59:10,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 06:59:10,802 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread3Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:10,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:10,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1053041002, now seen corresponding path program 1 times [2024-11-09 06:59:10,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:10,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304305276] [2024-11-09 06:59:10,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:10,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:10,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:10,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304305276] [2024-11-09 06:59:10,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304305276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:10,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:10,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:10,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938124580] [2024-11-09 06:59:10,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:10,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:10,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:10,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:10,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:10,943 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:59:10,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 418 transitions, 1029 flow. Second operand has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:10,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:10,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:59:10,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:11,910 INFO L124 PetriNetUnfolderBase]: 462/4081 cut-off events. [2024-11-09 06:59:11,911 INFO L125 PetriNetUnfolderBase]: For 465/468 co-relation queries the response was YES. [2024-11-09 06:59:11,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6096 conditions, 4081 events. 462/4081 cut-off events. For 465/468 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 39117 event pairs, 314 based on Foata normal form. 0/3918 useless extension candidates. Maximal degree in co-relation 5757. Up to 853 conditions per place. [2024-11-09 06:59:11,992 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/420 dead transitions. [2024-11-09 06:59:11,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 420 transitions, 1116 flow [2024-11-09 06:59:11,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:11,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:11,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:59:11,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:59:11,994 INFO L175 Difference]: Start difference. First operand has 424 places, 418 transitions, 1029 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:59:11,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 420 transitions, 1116 flow [2024-11-09 06:59:11,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 420 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:12,002 INFO L231 Difference]: Finished difference. Result has 423 places, 417 transitions, 1027 flow [2024-11-09 06:59:12,002 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1027, PETRI_PLACES=423, PETRI_TRANSITIONS=417} [2024-11-09 06:59:12,003 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -101 predicate places. [2024-11-09 06:59:12,003 INFO L471 AbstractCegarLoop]: Abstraction has has 423 places, 417 transitions, 1027 flow [2024-11-09 06:59:12,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:12,003 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:12,003 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] [2024-11-09 06:59:12,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 06:59:12,004 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:12,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:12,004 INFO L85 PathProgramCache]: Analyzing trace with hash 352667488, now seen corresponding path program 1 times [2024-11-09 06:59:12,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:12,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110813727] [2024-11-09 06:59:12,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:12,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:12,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:12,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110813727] [2024-11-09 06:59:12,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110813727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:12,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:12,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:12,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610783926] [2024-11-09 06:59:12,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:12,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:12,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:12,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:12,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:12,175 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:59:12,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 417 transitions, 1027 flow. Second operand has 3 states, 3 states have (on average 512.3333333333334) internal successors, (1537), 3 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:12,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:12,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:59:12,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:13,535 INFO L124 PetriNetUnfolderBase]: 764/6609 cut-off events. [2024-11-09 06:59:13,535 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-09 06:59:13,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9820 conditions, 6609 events. 764/6609 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 67269 event pairs, 499 based on Foata normal form. 0/6362 useless extension candidates. Maximal degree in co-relation 9434. Up to 1234 conditions per place. [2024-11-09 06:59:13,631 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/419 dead transitions. [2024-11-09 06:59:13,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 419 transitions, 1110 flow [2024-11-09 06:59:13,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:13,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:13,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:59:13,633 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:59:13,633 INFO L175 Difference]: Start difference. First operand has 423 places, 417 transitions, 1027 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:59:13,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 419 transitions, 1110 flow [2024-11-09 06:59:13,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 419 transitions, 1106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:13,640 INFO L231 Difference]: Finished difference. Result has 422 places, 416 transitions, 1025 flow [2024-11-09 06:59:13,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1021, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1025, PETRI_PLACES=422, PETRI_TRANSITIONS=416} [2024-11-09 06:59:13,641 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -102 predicate places. [2024-11-09 06:59:13,641 INFO L471 AbstractCegarLoop]: Abstraction has has 422 places, 416 transitions, 1025 flow [2024-11-09 06:59:13,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 512.3333333333334) internal successors, (1537), 3 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:13,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:13,641 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] [2024-11-09 06:59:13,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 06:59:13,642 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread4Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:13,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:13,642 INFO L85 PathProgramCache]: Analyzing trace with hash 2023139499, now seen corresponding path program 1 times [2024-11-09 06:59:13,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:13,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414566141] [2024-11-09 06:59:13,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:13,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:13,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:13,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:13,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414566141] [2024-11-09 06:59:13,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414566141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:13,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:13,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:13,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454879569] [2024-11-09 06:59:13,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:13,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:13,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:13,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:13,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:13,788 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:59:13,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 416 transitions, 1025 flow. Second operand has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:13,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:13,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:59:13,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:14,327 INFO L124 PetriNetUnfolderBase]: 235/3148 cut-off events. [2024-11-09 06:59:14,327 INFO L125 PetriNetUnfolderBase]: For 308/312 co-relation queries the response was YES. [2024-11-09 06:59:14,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4384 conditions, 3148 events. 235/3148 cut-off events. For 308/312 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 27903 event pairs, 129 based on Foata normal form. 0/3034 useless extension candidates. Maximal degree in co-relation 4226. Up to 435 conditions per place. [2024-11-09 06:59:14,366 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/418 dead transitions. [2024-11-09 06:59:14,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 418 transitions, 1108 flow [2024-11-09 06:59:14,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:14,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:59:14,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:59:14,369 INFO L175 Difference]: Start difference. First operand has 422 places, 416 transitions, 1025 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:59:14,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 418 transitions, 1108 flow [2024-11-09 06:59:14,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 418 transitions, 1104 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:14,377 INFO L231 Difference]: Finished difference. Result has 421 places, 415 transitions, 1023 flow [2024-11-09 06:59:14,377 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1019, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1023, PETRI_PLACES=421, PETRI_TRANSITIONS=415} [2024-11-09 06:59:14,378 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -103 predicate places. [2024-11-09 06:59:14,378 INFO L471 AbstractCegarLoop]: Abstraction has has 421 places, 415 transitions, 1023 flow [2024-11-09 06:59:14,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:14,378 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:14,379 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] [2024-11-09 06:59:14,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 06:59:14,379 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting thread3Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:14,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:14,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1586733163, now seen corresponding path program 1 times [2024-11-09 06:59:14,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:14,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592274546] [2024-11-09 06:59:14,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:14,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:14,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:14,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592274546] [2024-11-09 06:59:14,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592274546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:14,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:14,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:14,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334884218] [2024-11-09 06:59:14,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:14,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:14,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:14,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:14,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:14,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-09 06:59:14,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 415 transitions, 1023 flow. Second operand has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:14,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:14,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-09 06:59:14,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:15,275 INFO L124 PetriNetUnfolderBase]: 462/4024 cut-off events. [2024-11-09 06:59:15,276 INFO L125 PetriNetUnfolderBase]: For 462/465 co-relation queries the response was YES. [2024-11-09 06:59:15,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6039 conditions, 4024 events. 462/4024 cut-off events. For 462/465 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 38381 event pairs, 314 based on Foata normal form. 0/3906 useless extension candidates. Maximal degree in co-relation 5808. Up to 853 conditions per place. [2024-11-09 06:59:15,326 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/417 dead transitions. [2024-11-09 06:59:15,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 417 transitions, 1110 flow [2024-11-09 06:59:15,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:15,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-09 06:59:15,328 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-09 06:59:15,328 INFO L175 Difference]: Start difference. First operand has 421 places, 415 transitions, 1023 flow. Second operand 3 states and 1545 transitions. [2024-11-09 06:59:15,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 417 transitions, 1110 flow [2024-11-09 06:59:15,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 417 transitions, 1106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:15,333 INFO L231 Difference]: Finished difference. Result has 420 places, 414 transitions, 1021 flow [2024-11-09 06:59:15,334 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1017, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1021, PETRI_PLACES=420, PETRI_TRANSITIONS=414} [2024-11-09 06:59:15,334 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -104 predicate places. [2024-11-09 06:59:15,334 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 414 transitions, 1021 flow [2024-11-09 06:59:15,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:15,335 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:15,335 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:15,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 06:59:15,335 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting thread4Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-09 06:59:15,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:15,335 INFO L85 PathProgramCache]: Analyzing trace with hash -536444246, now seen corresponding path program 1 times [2024-11-09 06:59:15,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:15,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753766009] [2024-11-09 06:59:15,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:15,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:15,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:15,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753766009] [2024-11-09 06:59:15,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753766009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:15,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:15,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:15,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778324202] [2024-11-09 06:59:15,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:15,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:15,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:15,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:15,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:15,465 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-09 06:59:15,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 414 transitions, 1021 flow. Second operand has 3 states, 3 states have (on average 512.6666666666666) internal successors, (1538), 3 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:15,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:15,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-09 06:59:15,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:16,039 INFO L124 PetriNetUnfolderBase]: 235/3119 cut-off events. [2024-11-09 06:59:16,040 INFO L125 PetriNetUnfolderBase]: For 307/311 co-relation queries the response was YES. [2024-11-09 06:59:16,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4353 conditions, 3119 events. 235/3119 cut-off events. For 307/311 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 27629 event pairs, 129 based on Foata normal form. 0/3028 useless extension candidates. Maximal degree in co-relation 4214. Up to 435 conditions per place. [2024-11-09 06:59:16,062 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 0 selfloop transitions, 0 changer transitions 416/416 dead transitions. [2024-11-09 06:59:16,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 416 transitions, 1104 flow [2024-11-09 06:59:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:16,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-09 06:59:16,063 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-09 06:59:16,063 INFO L175 Difference]: Start difference. First operand has 420 places, 414 transitions, 1021 flow. Second operand 3 states and 1547 transitions. [2024-11-09 06:59:16,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 416 transitions, 1104 flow [2024-11-09 06:59:16,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 416 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:16,068 INFO L231 Difference]: Finished difference. Result has 419 places, 0 transitions, 0 flow [2024-11-09 06:59:16,068 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1015, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=419, PETRI_TRANSITIONS=0} [2024-11-09 06:59:16,068 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -105 predicate places. [2024-11-09 06:59:16,068 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 0 transitions, 0 flow [2024-11-09 06:59:16,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 512.6666666666666) internal successors, (1538), 3 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:16,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (202 of 203 remaining) [2024-11-09 06:59:16,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (201 of 203 remaining) [2024-11-09 06:59:16,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (200 of 203 remaining) [2024-11-09 06:59:16,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (199 of 203 remaining) [2024-11-09 06:59:16,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (198 of 203 remaining) [2024-11-09 06:59:16,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (197 of 203 remaining) [2024-11-09 06:59:16,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (196 of 203 remaining) [2024-11-09 06:59:16,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (195 of 203 remaining) [2024-11-09 06:59:16,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (194 of 203 remaining) [2024-11-09 06:59:16,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (193 of 203 remaining) [2024-11-09 06:59:16,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (192 of 203 remaining) [2024-11-09 06:59:16,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (191 of 203 remaining) [2024-11-09 06:59:16,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (190 of 203 remaining) [2024-11-09 06:59:16,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (189 of 203 remaining) [2024-11-09 06:59:16,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (188 of 203 remaining) [2024-11-09 06:59:16,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (187 of 203 remaining) [2024-11-09 06:59:16,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (186 of 203 remaining) [2024-11-09 06:59:16,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (185 of 203 remaining) [2024-11-09 06:59:16,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (184 of 203 remaining) [2024-11-09 06:59:16,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (183 of 203 remaining) [2024-11-09 06:59:16,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (182 of 203 remaining) [2024-11-09 06:59:16,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (181 of 203 remaining) [2024-11-09 06:59:16,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (180 of 203 remaining) [2024-11-09 06:59:16,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (179 of 203 remaining) [2024-11-09 06:59:16,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (178 of 203 remaining) [2024-11-09 06:59:16,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (177 of 203 remaining) [2024-11-09 06:59:16,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (176 of 203 remaining) [2024-11-09 06:59:16,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (175 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (174 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (173 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (172 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (171 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (170 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (169 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (168 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (167 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (166 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (165 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (164 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (163 of 203 remaining) [2024-11-09 06:59:16,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (162 of 203 remaining) [2024-11-09 06:59:16,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (161 of 203 remaining) [2024-11-09 06:59:16,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (160 of 203 remaining) [2024-11-09 06:59:16,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (159 of 203 remaining) [2024-11-09 06:59:16,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (158 of 203 remaining) [2024-11-09 06:59:16,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (157 of 203 remaining) [2024-11-09 06:59:16,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (156 of 203 remaining) [2024-11-09 06:59:16,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (155 of 203 remaining) [2024-11-09 06:59:16,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (154 of 203 remaining) [2024-11-09 06:59:16,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (153 of 203 remaining) [2024-11-09 06:59:16,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (152 of 203 remaining) [2024-11-09 06:59:16,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (151 of 203 remaining) [2024-11-09 06:59:16,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (150 of 203 remaining) [2024-11-09 06:59:16,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (149 of 203 remaining) [2024-11-09 06:59:16,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (148 of 203 remaining) [2024-11-09 06:59:16,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (147 of 203 remaining) [2024-11-09 06:59:16,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (146 of 203 remaining) [2024-11-09 06:59:16,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (145 of 203 remaining) [2024-11-09 06:59:16,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (144 of 203 remaining) [2024-11-09 06:59:16,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (143 of 203 remaining) [2024-11-09 06:59:16,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (142 of 203 remaining) [2024-11-09 06:59:16,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (141 of 203 remaining) [2024-11-09 06:59:16,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (140 of 203 remaining) [2024-11-09 06:59:16,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (139 of 203 remaining) [2024-11-09 06:59:16,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (138 of 203 remaining) [2024-11-09 06:59:16,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (137 of 203 remaining) [2024-11-09 06:59:16,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (136 of 203 remaining) [2024-11-09 06:59:16,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (135 of 203 remaining) [2024-11-09 06:59:16,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (134 of 203 remaining) [2024-11-09 06:59:16,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (133 of 203 remaining) [2024-11-09 06:59:16,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (132 of 203 remaining) [2024-11-09 06:59:16,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (131 of 203 remaining) [2024-11-09 06:59:16,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (130 of 203 remaining) [2024-11-09 06:59:16,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (129 of 203 remaining) [2024-11-09 06:59:16,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (128 of 203 remaining) [2024-11-09 06:59:16,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (127 of 203 remaining) [2024-11-09 06:59:16,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (126 of 203 remaining) [2024-11-09 06:59:16,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (125 of 203 remaining) [2024-11-09 06:59:16,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (124 of 203 remaining) [2024-11-09 06:59:16,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (123 of 203 remaining) [2024-11-09 06:59:16,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (122 of 203 remaining) [2024-11-09 06:59:16,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (121 of 203 remaining) [2024-11-09 06:59:16,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (120 of 203 remaining) [2024-11-09 06:59:16,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (119 of 203 remaining) [2024-11-09 06:59:16,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (118 of 203 remaining) [2024-11-09 06:59:16,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (117 of 203 remaining) [2024-11-09 06:59:16,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (116 of 203 remaining) [2024-11-09 06:59:16,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (115 of 203 remaining) [2024-11-09 06:59:16,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (114 of 203 remaining) [2024-11-09 06:59:16,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (113 of 203 remaining) [2024-11-09 06:59:16,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (112 of 203 remaining) [2024-11-09 06:59:16,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (111 of 203 remaining) [2024-11-09 06:59:16,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (110 of 203 remaining) [2024-11-09 06:59:16,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (109 of 203 remaining) [2024-11-09 06:59:16,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (108 of 203 remaining) [2024-11-09 06:59:16,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (107 of 203 remaining) [2024-11-09 06:59:16,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (106 of 203 remaining) [2024-11-09 06:59:16,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (105 of 203 remaining) [2024-11-09 06:59:16,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (104 of 203 remaining) [2024-11-09 06:59:16,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (103 of 203 remaining) [2024-11-09 06:59:16,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (102 of 203 remaining) [2024-11-09 06:59:16,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (101 of 203 remaining) [2024-11-09 06:59:16,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (100 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (99 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (98 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (97 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (96 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (95 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (94 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (93 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (92 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (91 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (90 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (89 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (88 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (87 of 203 remaining) [2024-11-09 06:59:16,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (86 of 203 remaining) [2024-11-09 06:59:16,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (85 of 203 remaining) [2024-11-09 06:59:16,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (84 of 203 remaining) [2024-11-09 06:59:16,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (83 of 203 remaining) [2024-11-09 06:59:16,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (82 of 203 remaining) [2024-11-09 06:59:16,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (81 of 203 remaining) [2024-11-09 06:59:16,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (80 of 203 remaining) [2024-11-09 06:59:16,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (79 of 203 remaining) [2024-11-09 06:59:16,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (78 of 203 remaining) [2024-11-09 06:59:16,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (77 of 203 remaining) [2024-11-09 06:59:16,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (76 of 203 remaining) [2024-11-09 06:59:16,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (75 of 203 remaining) [2024-11-09 06:59:16,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (74 of 203 remaining) [2024-11-09 06:59:16,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (73 of 203 remaining) [2024-11-09 06:59:16,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (72 of 203 remaining) [2024-11-09 06:59:16,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (71 of 203 remaining) [2024-11-09 06:59:16,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (70 of 203 remaining) [2024-11-09 06:59:16,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (69 of 203 remaining) [2024-11-09 06:59:16,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (68 of 203 remaining) [2024-11-09 06:59:16,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (67 of 203 remaining) [2024-11-09 06:59:16,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (66 of 203 remaining) [2024-11-09 06:59:16,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (65 of 203 remaining) [2024-11-09 06:59:16,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 203 remaining) [2024-11-09 06:59:16,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (63 of 203 remaining) [2024-11-09 06:59:16,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (62 of 203 remaining) [2024-11-09 06:59:16,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (61 of 203 remaining) [2024-11-09 06:59:16,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 203 remaining) [2024-11-09 06:59:16,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (59 of 203 remaining) [2024-11-09 06:59:16,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (58 of 203 remaining) [2024-11-09 06:59:16,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (57 of 203 remaining) [2024-11-09 06:59:16,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (56 of 203 remaining) [2024-11-09 06:59:16,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (55 of 203 remaining) [2024-11-09 06:59:16,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (54 of 203 remaining) [2024-11-09 06:59:16,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (53 of 203 remaining) [2024-11-09 06:59:16,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (52 of 203 remaining) [2024-11-09 06:59:16,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (51 of 203 remaining) [2024-11-09 06:59:16,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (50 of 203 remaining) [2024-11-09 06:59:16,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (49 of 203 remaining) [2024-11-09 06:59:16,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (48 of 203 remaining) [2024-11-09 06:59:16,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (47 of 203 remaining) [2024-11-09 06:59:16,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (46 of 203 remaining) [2024-11-09 06:59:16,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 203 remaining) [2024-11-09 06:59:16,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 203 remaining) [2024-11-09 06:59:16,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 203 remaining) [2024-11-09 06:59:16,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 203 remaining) [2024-11-09 06:59:16,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 203 remaining) [2024-11-09 06:59:16,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 203 remaining) [2024-11-09 06:59:16,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 203 remaining) [2024-11-09 06:59:16,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 203 remaining) [2024-11-09 06:59:16,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (37 of 203 remaining) [2024-11-09 06:59:16,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (36 of 203 remaining) [2024-11-09 06:59:16,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (35 of 203 remaining) [2024-11-09 06:59:16,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (34 of 203 remaining) [2024-11-09 06:59:16,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (33 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (32 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (31 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (30 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (29 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (28 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (27 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (26 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (25 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (24 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (23 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (22 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (20 of 203 remaining) [2024-11-09 06:59:16,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (19 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (18 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (17 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (16 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (15 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (14 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (13 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (12 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (11 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (10 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (9 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (8 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (7 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (6 of 203 remaining) [2024-11-09 06:59:16,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (5 of 203 remaining) [2024-11-09 06:59:16,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (4 of 203 remaining) [2024-11-09 06:59:16,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (3 of 203 remaining) [2024-11-09 06:59:16,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (2 of 203 remaining) [2024-11-09 06:59:16,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (1 of 203 remaining) [2024-11-09 06:59:16,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (0 of 203 remaining) [2024-11-09 06:59:16,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-09 06:59:16,095 INFO L407 BasicCegarLoop]: Path program 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] [2024-11-09 06:59:16,105 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 06:59:16,106 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:59:16,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:59:16 BasicIcfg [2024-11-09 06:59:16,112 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:59:16,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:59:16,113 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:59:16,113 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:59:16,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:32" (3/4) ... [2024-11-09 06:59:16,119 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:59:16,123 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 06:59:16,124 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 06:59:16,124 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-09 06:59:16,124 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-09 06:59:16,131 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-09 06:59:16,131 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 06:59:16,132 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 06:59:16,132 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:59:16,238 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 06:59:16,238 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 06:59:16,238 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:59:16,239 INFO L158 Benchmark]: Toolchain (without parser) took 45499.92ms. Allocated memory was 153.1MB in the beginning and 9.6GB in the end (delta: 9.4GB). Free memory was 96.2MB in the beginning and 8.8GB in the end (delta: -8.7GB). Peak memory consumption was 783.0MB. Max. memory is 16.1GB. [2024-11-09 06:59:16,239 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 114.4MB in the end (delta: 117.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:59:16,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.62ms. Allocated memory is still 153.1MB. Free memory was 96.2MB in the beginning and 81.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:59:16,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.97ms. Allocated memory is still 153.1MB. Free memory was 81.5MB in the beginning and 79.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:59:16,240 INFO L158 Benchmark]: Boogie Preprocessor took 65.38ms. Allocated memory is still 153.1MB. Free memory was 79.5MB in the beginning and 77.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:59:16,240 INFO L158 Benchmark]: RCFGBuilder took 925.45ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 77.7MB in the beginning and 149.4MB in the end (delta: -71.7MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-11-09 06:59:16,240 INFO L158 Benchmark]: TraceAbstraction took 43963.33ms. Allocated memory was 197.1MB in the beginning and 9.6GB in the end (delta: 9.4GB). Free memory was 148.3MB in the beginning and 8.8GB in the end (delta: -8.6GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-09 06:59:16,240 INFO L158 Benchmark]: Witness Printer took 125.93ms. Allocated memory is still 9.6GB. Free memory was 8.8GB in the beginning and 8.8GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:59:16,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 114.4MB in the end (delta: 117.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.62ms. Allocated memory is still 153.1MB. Free memory was 96.2MB in the beginning and 81.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.97ms. Allocated memory is still 153.1MB. Free memory was 81.5MB in the beginning and 79.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.38ms. Allocated memory is still 153.1MB. Free memory was 79.5MB in the beginning and 77.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 925.45ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 77.7MB in the beginning and 149.4MB in the end (delta: -71.7MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * TraceAbstraction took 43963.33ms. Allocated memory was 197.1MB in the beginning and 9.6GB in the end (delta: 9.4GB). Free memory was 148.3MB in the beginning and 8.8GB in the end (delta: -8.6GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 125.93ms. Allocated memory is still 9.6GB. Free memory was 8.8GB in the beginning and 8.8GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 55]: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 69]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: 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: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: 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: 83]: 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: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: 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: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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 9 procedures, 918 locations, 203 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: 43.7s, OverallIterations: 39, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 41.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5778 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1900 mSDsluCounter, 990 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 283 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5462 IncrementalHoareTripleChecker+Invalid, 5745 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 283 mSolverCounterUnsat, 982 mSDtfsCounter, 5462 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1073occurred in iteration=12, InterpolantAutomatonStates: 119, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 4063 NumberOfCodeBlocks, 4063 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 4024 ConstructedInterpolants, 0 QuantifiedInterpolants, 4102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 39 PerfectInterpolantSequences, 0/0 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 107 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 06:59:16,284 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