./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-cond-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-cond-3.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 9fb4c28a8a216c266c6ae14d377c8e26c68bb16bf7c2fe2809f039d12d6c4b55 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:34:42,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:34:43,023 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:34:43,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:34:43,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:34:43,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:34:43,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:34:43,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:34:43,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:34:43,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:34:43,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:34:43,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:34:43,073 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:34:43,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:34:43,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:34:43,075 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:34:43,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:34:43,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:34:43,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:34:43,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:34:43,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:34:43,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:34:43,082 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:34:43,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:34:43,082 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:34:43,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:34:43,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:34:43,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:34:43,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:34:43,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:34:43,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:34:43,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:34:43,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:34:43,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:34:43,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:34:43,085 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:34:43,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:34:43,089 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:34:43,089 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:34:43,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:34:43,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:34:43,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fb4c28a8a216c266c6ae14d377c8e26c68bb16bf7c2fe2809f039d12d6c4b55 [2024-10-24 15:34:43,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:34:43,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:34:43,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:34:43,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:34:43,405 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:34:43,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-cond-3.wvr.c [2024-10-24 15:34:44,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:34:45,137 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:34:45,138 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-cond-3.wvr.c [2024-10-24 15:34:45,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21e3289b9/87729f0e9be34ca495320296e2ae330c/FLAG85c5b7692 [2024-10-24 15:34:45,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21e3289b9/87729f0e9be34ca495320296e2ae330c [2024-10-24 15:34:45,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:34:45,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:34:45,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:34:45,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:34:45,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:34:45,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73897524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45, skipping insertion in model container [2024-10-24 15:34:45,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:34:45,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:34:45,422 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:34:45,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:34:45,480 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:34:45,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45 WrapperNode [2024-10-24 15:34:45,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:34:45,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:34:45,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:34:45,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:34:45,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,534 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 330 [2024-10-24 15:34:45,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:34:45,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:34:45,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:34:45,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:34:45,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:34:45,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:34:45,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:34:45,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:34:45,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45" (1/1) ... [2024-10-24 15:34:45,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:34:45,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:34:45,647 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) [2024-10-24 15:34:45,650 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 [2024-10-24 15:34:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:34:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:34:45,705 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:34:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:34:45,705 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:34:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:34:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:34:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 15:34:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:34:45,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:34:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:34:45,709 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:34:45,806 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:34:45,808 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:34:46,442 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:34:46,443 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:34:46,473 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:34:46,474 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-24 15:34:46,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:34:46 BoogieIcfgContainer [2024-10-24 15:34:46,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:34:46,477 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:34:46,477 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:34:46,480 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:34:46,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:34:45" (1/3) ... [2024-10-24 15:34:46,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4371230f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:34:46, skipping insertion in model container [2024-10-24 15:34:46,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:45" (2/3) ... [2024-10-24 15:34:46,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4371230f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:34:46, skipping insertion in model container [2024-10-24 15:34:46,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:34:46" (3/3) ... [2024-10-24 15:34:46,484 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.c [2024-10-24 15:34:46,501 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:34:46,502 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2024-10-24 15:34:46,502 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:34:46,706 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-24 15:34:46,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 421 places, 438 transitions, 890 flow [2024-10-24 15:34:46,954 INFO L124 PetriNetUnfolderBase]: 24/436 cut-off events. [2024-10-24 15:34:46,954 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:34:46,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 436 events. 24/436 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1066 event pairs, 0 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 310. Up to 2 conditions per place. [2024-10-24 15:34:46,974 INFO L82 GeneralOperation]: Start removeDead. Operand has 421 places, 438 transitions, 890 flow [2024-10-24 15:34:46,986 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 403 places, 419 transitions, 850 flow [2024-10-24 15:34:46,996 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:34:47,003 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;@6817ad19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:34:47,004 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2024-10-24 15:34:47,008 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:34:47,008 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-10-24 15:34:47,009 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:34:47,009 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:47,010 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] [2024-10-24 15:34:47,011 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:47,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:47,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1662522923, now seen corresponding path program 1 times [2024-10-24 15:34:47,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:47,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119838295] [2024-10-24 15:34:47,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:47,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:47,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:47,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:47,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119838295] [2024-10-24 15:34:47,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119838295] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:47,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:47,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:47,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581675575] [2024-10-24 15:34:47,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:47,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:47,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:47,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:47,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:47,302 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 438 [2024-10-24 15:34:47,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 419 transitions, 850 flow. Second operand has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:47,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:47,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 438 [2024-10-24 15:34:47,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:47,466 INFO L124 PetriNetUnfolderBase]: 26/624 cut-off events. [2024-10-24 15:34:47,466 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:34:47,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 670 conditions, 624 events. 26/624 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2597 event pairs, 7 based on Foata normal form. 14/521 useless extension candidates. Maximal degree in co-relation 533. Up to 30 conditions per place. [2024-10-24 15:34:47,478 INFO L140 encePairwiseOnDemand]: 423/438 looper letters, 11 selfloop transitions, 2 changer transitions 3/406 dead transitions. [2024-10-24 15:34:47,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 406 transitions, 850 flow [2024-10-24 15:34:47,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:47,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:47,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2024-10-24 15:34:47,499 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535768645357686 [2024-10-24 15:34:47,501 INFO L175 Difference]: Start difference. First operand has 403 places, 419 transitions, 850 flow. Second operand 3 states and 1253 transitions. [2024-10-24 15:34:47,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 406 transitions, 850 flow [2024-10-24 15:34:47,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 406 transitions, 842 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-24 15:34:47,517 INFO L231 Difference]: Finished difference. Result has 400 places, 403 transitions, 814 flow [2024-10-24 15:34:47,523 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=400, PETRI_TRANSITIONS=403} [2024-10-24 15:34:47,529 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -3 predicate places. [2024-10-24 15:34:47,530 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 403 transitions, 814 flow [2024-10-24 15:34:47,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:47,531 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:47,531 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:47,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:34:47,532 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:47,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:47,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1816907893, now seen corresponding path program 1 times [2024-10-24 15:34:47,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:47,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328331643] [2024-10-24 15:34:47,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:47,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:47,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:47,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328331643] [2024-10-24 15:34:47,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328331643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:47,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:47,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:47,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476054514] [2024-10-24 15:34:47,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:47,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:47,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:47,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:47,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:47,680 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 438 [2024-10-24 15:34:47,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 403 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:47,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:47,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 438 [2024-10-24 15:34:47,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:47,846 INFO L124 PetriNetUnfolderBase]: 30/660 cut-off events. [2024-10-24 15:34:47,846 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-10-24 15:34:47,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 707 conditions, 660 events. 30/660 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2585 event pairs, 11 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 679. Up to 38 conditions per place. [2024-10-24 15:34:47,855 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 15 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-10-24 15:34:47,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 402 transitions, 846 flow [2024-10-24 15:34:47,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:47,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:47,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2024-10-24 15:34:47,859 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9383561643835616 [2024-10-24 15:34:47,859 INFO L175 Difference]: Start difference. First operand has 400 places, 403 transitions, 814 flow. Second operand 3 states and 1233 transitions. [2024-10-24 15:34:47,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 402 transitions, 846 flow [2024-10-24 15:34:47,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 402 transitions, 842 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:47,867 INFO L231 Difference]: Finished difference. Result has 396 places, 402 transitions, 812 flow [2024-10-24 15:34:47,868 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=396, PETRI_TRANSITIONS=402} [2024-10-24 15:34:47,869 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -7 predicate places. [2024-10-24 15:34:47,869 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 402 transitions, 812 flow [2024-10-24 15:34:47,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:47,870 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:47,870 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] [2024-10-24 15:34:47,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:34:47,871 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:47,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:47,872 INFO L85 PathProgramCache]: Analyzing trace with hash 959346456, now seen corresponding path program 1 times [2024-10-24 15:34:47,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:47,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538733764] [2024-10-24 15:34:47,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:47,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:47,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:47,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:47,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538733764] [2024-10-24 15:34:47,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538733764] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:47,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:47,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:47,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833646996] [2024-10-24 15:34:47,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:47,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:47,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:47,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:47,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:48,004 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2024-10-24 15:34:48,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 402 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:48,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:48,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2024-10-24 15:34:48,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:48,237 INFO L124 PetriNetUnfolderBase]: 104/1449 cut-off events. [2024-10-24 15:34:48,237 INFO L125 PetriNetUnfolderBase]: For 25/26 co-relation queries the response was YES. [2024-10-24 15:34:48,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1576 conditions, 1449 events. 104/1449 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 8385 event pairs, 32 based on Foata normal form. 0/1170 useless extension candidates. Maximal degree in co-relation 1540. Up to 117 conditions per place. [2024-10-24 15:34:48,259 INFO L140 encePairwiseOnDemand]: 429/438 looper letters, 20 selfloop transitions, 1 changer transitions 0/394 dead transitions. [2024-10-24 15:34:48,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 394 transitions, 838 flow [2024-10-24 15:34:48,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2024-10-24 15:34:48,265 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.923896499238965 [2024-10-24 15:34:48,265 INFO L175 Difference]: Start difference. First operand has 396 places, 402 transitions, 812 flow. Second operand 3 states and 1214 transitions. [2024-10-24 15:34:48,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 394 transitions, 838 flow [2024-10-24 15:34:48,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 394 transitions, 834 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:48,273 INFO L231 Difference]: Finished difference. Result has 388 places, 394 transitions, 794 flow [2024-10-24 15:34:48,274 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=388, PETRI_TRANSITIONS=394} [2024-10-24 15:34:48,275 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -15 predicate places. [2024-10-24 15:34:48,275 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 394 transitions, 794 flow [2024-10-24 15:34:48,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:48,277 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:48,278 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] [2024-10-24 15:34:48,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:34:48,278 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:48,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:48,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1314246505, now seen corresponding path program 1 times [2024-10-24 15:34:48,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:48,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766731005] [2024-10-24 15:34:48,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:48,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:48,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:48,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766731005] [2024-10-24 15:34:48,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766731005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:48,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:48,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:48,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215580720] [2024-10-24 15:34:48,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:48,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:48,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:48,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:48,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:48,433 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 438 [2024-10-24 15:34:48,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 394 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:48,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:48,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 438 [2024-10-24 15:34:48,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:48,531 INFO L124 PetriNetUnfolderBase]: 30/646 cut-off events. [2024-10-24 15:34:48,532 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-10-24 15:34:48,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 646 events. 30/646 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2495 event pairs, 11 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 654. Up to 36 conditions per place. [2024-10-24 15:34:48,538 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 13 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2024-10-24 15:34:48,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 393 transitions, 822 flow [2024-10-24 15:34:48,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:48,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1237 transitions. [2024-10-24 15:34:48,542 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.941400304414003 [2024-10-24 15:34:48,542 INFO L175 Difference]: Start difference. First operand has 388 places, 394 transitions, 794 flow. Second operand 3 states and 1237 transitions. [2024-10-24 15:34:48,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 393 transitions, 822 flow [2024-10-24 15:34:48,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 393 transitions, 821 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:34:48,549 INFO L231 Difference]: Finished difference. Result has 388 places, 393 transitions, 795 flow [2024-10-24 15:34:48,550 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=795, PETRI_PLACES=388, PETRI_TRANSITIONS=393} [2024-10-24 15:34:48,552 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -15 predicate places. [2024-10-24 15:34:48,552 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 393 transitions, 795 flow [2024-10-24 15:34:48,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:48,553 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:48,553 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] [2024-10-24 15:34:48,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:34:48,555 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:48,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:48,556 INFO L85 PathProgramCache]: Analyzing trace with hash -604482982, now seen corresponding path program 1 times [2024-10-24 15:34:48,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:48,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459705972] [2024-10-24 15:34:48,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:48,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:49,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:49,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:49,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459705972] [2024-10-24 15:34:49,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459705972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:49,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:49,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:34:49,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33804167] [2024-10-24 15:34:49,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:49,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:34:49,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:49,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:34:49,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:34:49,454 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 438 [2024-10-24 15:34:49,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 393 transitions, 795 flow. Second operand has 6 states, 6 states have (on average 383.5) internal successors, (2301), 6 states have internal predecessors, (2301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:49,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:49,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 438 [2024-10-24 15:34:49,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:49,763 INFO L124 PetriNetUnfolderBase]: 210/1903 cut-off events. [2024-10-24 15:34:49,764 INFO L125 PetriNetUnfolderBase]: For 44/45 co-relation queries the response was YES. [2024-10-24 15:34:49,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2219 conditions, 1903 events. 210/1903 cut-off events. For 44/45 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 11829 event pairs, 104 based on Foata normal form. 0/1544 useless extension candidates. Maximal degree in co-relation 2184. Up to 300 conditions per place. [2024-10-24 15:34:49,785 INFO L140 encePairwiseOnDemand]: 432/438 looper letters, 36 selfloop transitions, 5 changer transitions 0/392 dead transitions. [2024-10-24 15:34:49,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 392 transitions, 875 flow [2024-10-24 15:34:49,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:34:49,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:34:49,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2334 transitions. [2024-10-24 15:34:49,791 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8881278538812786 [2024-10-24 15:34:49,791 INFO L175 Difference]: Start difference. First operand has 388 places, 393 transitions, 795 flow. Second operand 6 states and 2334 transitions. [2024-10-24 15:34:49,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 392 transitions, 875 flow [2024-10-24 15:34:49,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 392 transitions, 871 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:49,799 INFO L231 Difference]: Finished difference. Result has 390 places, 392 transitions, 799 flow [2024-10-24 15:34:49,800 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=799, PETRI_PLACES=390, PETRI_TRANSITIONS=392} [2024-10-24 15:34:49,801 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -13 predicate places. [2024-10-24 15:34:49,801 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 392 transitions, 799 flow [2024-10-24 15:34:49,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 383.5) internal successors, (2301), 6 states have internal predecessors, (2301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:49,803 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:49,803 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] [2024-10-24 15:34:49,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:34:49,804 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:49,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:49,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1747849716, now seen corresponding path program 1 times [2024-10-24 15:34:49,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:49,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765885516] [2024-10-24 15:34:49,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:49,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:49,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:49,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765885516] [2024-10-24 15:34:49,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765885516] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:49,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:49,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:49,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028719108] [2024-10-24 15:34:49,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:49,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:49,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:49,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:49,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:49,868 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 438 [2024-10-24 15:34:49,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 392 transitions, 799 flow. Second operand has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:49,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:49,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 438 [2024-10-24 15:34:49,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:50,054 INFO L124 PetriNetUnfolderBase]: 64/1203 cut-off events. [2024-10-24 15:34:50,054 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-24 15:34:50,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1281 conditions, 1203 events. 64/1203 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6894 event pairs, 12 based on Foata normal form. 0/995 useless extension candidates. Maximal degree in co-relation 1263. Up to 62 conditions per place. [2024-10-24 15:34:50,065 INFO L140 encePairwiseOnDemand]: 432/438 looper letters, 14 selfloop transitions, 2 changer transitions 0/391 dead transitions. [2024-10-24 15:34:50,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 391 transitions, 830 flow [2024-10-24 15:34:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:50,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:50,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1241 transitions. [2024-10-24 15:34:50,070 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9444444444444444 [2024-10-24 15:34:50,070 INFO L175 Difference]: Start difference. First operand has 390 places, 392 transitions, 799 flow. Second operand 3 states and 1241 transitions. [2024-10-24 15:34:50,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 391 transitions, 830 flow [2024-10-24 15:34:50,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 391 transitions, 820 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:34:50,081 INFO L231 Difference]: Finished difference. Result has 384 places, 390 transitions, 795 flow [2024-10-24 15:34:50,083 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=795, PETRI_PLACES=384, PETRI_TRANSITIONS=390} [2024-10-24 15:34:50,085 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -19 predicate places. [2024-10-24 15:34:50,086 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 390 transitions, 795 flow [2024-10-24 15:34:50,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:50,087 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:50,088 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] [2024-10-24 15:34:50,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:34:50,088 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:50,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:50,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1991601373, now seen corresponding path program 1 times [2024-10-24 15:34:50,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:50,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554571214] [2024-10-24 15:34:50,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:50,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:50,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:50,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554571214] [2024-10-24 15:34:50,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554571214] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:50,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:50,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:50,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909118769] [2024-10-24 15:34:50,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:50,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:50,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:50,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:50,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:50,166 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 438 [2024-10-24 15:34:50,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 390 transitions, 795 flow. Second operand has 3 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:50,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:50,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 438 [2024-10-24 15:34:50,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:50,269 INFO L124 PetriNetUnfolderBase]: 37/891 cut-off events. [2024-10-24 15:34:50,270 INFO L125 PetriNetUnfolderBase]: For 2/7 co-relation queries the response was YES. [2024-10-24 15:34:50,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 891 events. 37/891 cut-off events. For 2/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3900 event pairs, 1 based on Foata normal form. 1/752 useless extension candidates. Maximal degree in co-relation 907. Up to 20 conditions per place. [2024-10-24 15:34:50,279 INFO L140 encePairwiseOnDemand]: 431/438 looper letters, 11 selfloop transitions, 3 changer transitions 0/387 dead transitions. [2024-10-24 15:34:50,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 387 transitions, 818 flow [2024-10-24 15:34:50,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:50,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:50,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1239 transitions. [2024-10-24 15:34:50,283 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9429223744292238 [2024-10-24 15:34:50,283 INFO L175 Difference]: Start difference. First operand has 384 places, 390 transitions, 795 flow. Second operand 3 states and 1239 transitions. [2024-10-24 15:34:50,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 387 transitions, 818 flow [2024-10-24 15:34:50,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 387 transitions, 818 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:34:50,291 INFO L231 Difference]: Finished difference. Result has 382 places, 386 transitions, 793 flow [2024-10-24 15:34:50,292 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=382, PETRI_TRANSITIONS=386} [2024-10-24 15:34:50,293 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -21 predicate places. [2024-10-24 15:34:50,293 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 386 transitions, 793 flow [2024-10-24 15:34:50,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:50,294 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:50,295 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:50,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:34:50,295 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:50,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:50,296 INFO L85 PathProgramCache]: Analyzing trace with hash -397329018, now seen corresponding path program 1 times [2024-10-24 15:34:50,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:50,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434972937] [2024-10-24 15:34:50,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:50,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:50,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:50,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:50,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434972937] [2024-10-24 15:34:50,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434972937] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:50,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:50,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:50,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518752931] [2024-10-24 15:34:50,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:50,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:50,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:50,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:50,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:50,442 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 438 [2024-10-24 15:34:50,443 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 386 transitions, 793 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:50,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:50,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 438 [2024-10-24 15:34:50,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:50,533 INFO L124 PetriNetUnfolderBase]: 61/787 cut-off events. [2024-10-24 15:34:50,533 INFO L125 PetriNetUnfolderBase]: For 37/38 co-relation queries the response was YES. [2024-10-24 15:34:50,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 952 conditions, 787 events. 61/787 cut-off events. For 37/38 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3744 event pairs, 5 based on Foata normal form. 1/702 useless extension candidates. Maximal degree in co-relation 916. Up to 121 conditions per place. [2024-10-24 15:34:50,544 INFO L140 encePairwiseOnDemand]: 411/438 looper letters, 29 selfloop transitions, 10 changer transitions 4/371 dead transitions. [2024-10-24 15:34:50,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 371 transitions, 846 flow [2024-10-24 15:34:50,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:50,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1158 transitions. [2024-10-24 15:34:50,547 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8812785388127854 [2024-10-24 15:34:50,547 INFO L175 Difference]: Start difference. First operand has 382 places, 386 transitions, 793 flow. Second operand 3 states and 1158 transitions. [2024-10-24 15:34:50,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 371 transitions, 846 flow [2024-10-24 15:34:50,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 371 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:50,557 INFO L231 Difference]: Finished difference. Result has 366 places, 366 transitions, 766 flow [2024-10-24 15:34:50,558 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=755, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=766, PETRI_PLACES=366, PETRI_TRANSITIONS=366} [2024-10-24 15:34:50,558 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -37 predicate places. [2024-10-24 15:34:50,559 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 366 transitions, 766 flow [2024-10-24 15:34:50,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:50,561 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:50,561 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] [2024-10-24 15:34:50,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:34:50,561 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:50,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:50,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1162854081, now seen corresponding path program 1 times [2024-10-24 15:34:50,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:50,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895296627] [2024-10-24 15:34:50,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:50,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:50,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:50,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895296627] [2024-10-24 15:34:50,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895296627] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:50,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:50,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:50,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384270175] [2024-10-24 15:34:50,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:50,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:50,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:50,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:50,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:50,633 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 438 [2024-10-24 15:34:50,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 366 transitions, 766 flow. Second operand has 3 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:50,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:50,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 438 [2024-10-24 15:34:50,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:50,818 INFO L124 PetriNetUnfolderBase]: 104/1516 cut-off events. [2024-10-24 15:34:50,818 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-24 15:34:50,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1711 conditions, 1516 events. 104/1516 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 8910 event pairs, 11 based on Foata normal form. 0/1353 useless extension candidates. Maximal degree in co-relation 1675. Up to 106 conditions per place. [2024-10-24 15:34:50,831 INFO L140 encePairwiseOnDemand]: 428/438 looper letters, 18 selfloop transitions, 4 changer transitions 0/366 dead transitions. [2024-10-24 15:34:50,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 366 transitions, 812 flow [2024-10-24 15:34:50,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:50,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:50,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1231 transitions. [2024-10-24 15:34:50,834 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936834094368341 [2024-10-24 15:34:50,834 INFO L175 Difference]: Start difference. First operand has 366 places, 366 transitions, 766 flow. Second operand 3 states and 1231 transitions. [2024-10-24 15:34:50,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 366 transitions, 812 flow [2024-10-24 15:34:50,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 366 transitions, 792 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:50,841 INFO L231 Difference]: Finished difference. Result has 357 places, 364 transitions, 762 flow [2024-10-24 15:34:50,842 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=357, PETRI_TRANSITIONS=364} [2024-10-24 15:34:50,843 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -46 predicate places. [2024-10-24 15:34:50,843 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 364 transitions, 762 flow [2024-10-24 15:34:50,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:50,844 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:50,844 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] [2024-10-24 15:34:50,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:34:50,844 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:50,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:50,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1688325785, now seen corresponding path program 1 times [2024-10-24 15:34:50,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:50,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242438715] [2024-10-24 15:34:50,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:50,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:50,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:50,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242438715] [2024-10-24 15:34:50,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242438715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:50,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:50,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 15:34:50,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848646233] [2024-10-24 15:34:50,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:50,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 15:34:50,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:50,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 15:34:50,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 15:34:50,986 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 438 [2024-10-24 15:34:50,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 364 transitions, 762 flow. Second operand has 4 states, 4 states have (on average 414.25) internal successors, (1657), 4 states have internal predecessors, (1657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:50,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:50,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 438 [2024-10-24 15:34:50,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:51,229 INFO L124 PetriNetUnfolderBase]: 97/1874 cut-off events. [2024-10-24 15:34:51,229 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:34:51,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2010 conditions, 1874 events. 97/1874 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11577 event pairs, 6 based on Foata normal form. 0/1673 useless extension candidates. Maximal degree in co-relation 1973. Up to 45 conditions per place. [2024-10-24 15:34:51,241 INFO L140 encePairwiseOnDemand]: 432/438 looper letters, 13 selfloop transitions, 6 changer transitions 0/373 dead transitions. [2024-10-24 15:34:51,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 373 transitions, 822 flow [2024-10-24 15:34:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 15:34:51,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-24 15:34:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2085 transitions. [2024-10-24 15:34:51,246 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.952054794520548 [2024-10-24 15:34:51,246 INFO L175 Difference]: Start difference. First operand has 357 places, 364 transitions, 762 flow. Second operand 5 states and 2085 transitions. [2024-10-24 15:34:51,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 373 transitions, 822 flow [2024-10-24 15:34:51,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 373 transitions, 822 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:34:51,252 INFO L231 Difference]: Finished difference. Result has 364 places, 368 transitions, 800 flow [2024-10-24 15:34:51,253 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=800, PETRI_PLACES=364, PETRI_TRANSITIONS=368} [2024-10-24 15:34:51,254 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -39 predicate places. [2024-10-24 15:34:51,254 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 368 transitions, 800 flow [2024-10-24 15:34:51,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 414.25) internal successors, (1657), 4 states have internal predecessors, (1657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:51,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:51,256 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] [2024-10-24 15:34:51,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:34:51,256 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:51,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:51,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1973428818, now seen corresponding path program 1 times [2024-10-24 15:34:51,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:51,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458002054] [2024-10-24 15:34:51,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:51,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:51,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:51,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458002054] [2024-10-24 15:34:51,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458002054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:51,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:51,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:34:51,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12620038] [2024-10-24 15:34:51,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:51,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:34:51,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:51,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:34:51,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:34:52,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 438 [2024-10-24 15:34:52,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 368 transitions, 800 flow. Second operand has 6 states, 6 states have (on average 407.5) internal successors, (2445), 6 states have internal predecessors, (2445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:52,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:52,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 438 [2024-10-24 15:34:52,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:52,233 INFO L124 PetriNetUnfolderBase]: 79/1443 cut-off events. [2024-10-24 15:34:52,233 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-10-24 15:34:52,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1606 conditions, 1443 events. 79/1443 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7988 event pairs, 5 based on Foata normal form. 0/1299 useless extension candidates. Maximal degree in co-relation 1563. Up to 35 conditions per place. [2024-10-24 15:34:52,248 INFO L140 encePairwiseOnDemand]: 432/438 looper letters, 15 selfloop transitions, 6 changer transitions 0/371 dead transitions. [2024-10-24 15:34:52,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 371 transitions, 852 flow [2024-10-24 15:34:52,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:34:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:34:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2457 transitions. [2024-10-24 15:34:52,253 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.934931506849315 [2024-10-24 15:34:52,253 INFO L175 Difference]: Start difference. First operand has 364 places, 368 transitions, 800 flow. Second operand 6 states and 2457 transitions. [2024-10-24 15:34:52,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 371 transitions, 852 flow [2024-10-24 15:34:52,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 371 transitions, 852 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:34:52,260 INFO L231 Difference]: Finished difference. Result has 368 places, 367 transitions, 810 flow [2024-10-24 15:34:52,261 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=810, PETRI_PLACES=368, PETRI_TRANSITIONS=367} [2024-10-24 15:34:52,262 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -35 predicate places. [2024-10-24 15:34:52,262 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 367 transitions, 810 flow [2024-10-24 15:34:52,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 407.5) internal successors, (2445), 6 states have internal predecessors, (2445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:52,264 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:52,264 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] [2024-10-24 15:34:52,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:34:52,264 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:52,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:52,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1089914497, now seen corresponding path program 1 times [2024-10-24 15:34:52,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:52,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462830283] [2024-10-24 15:34:52,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:52,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:52,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:52,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462830283] [2024-10-24 15:34:52,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462830283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:52,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:52,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 15:34:52,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217053023] [2024-10-24 15:34:52,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:52,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 15:34:52,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:52,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 15:34:52,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 15:34:52,480 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 438 [2024-10-24 15:34:52,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 367 transitions, 810 flow. Second operand has 4 states, 4 states have (on average 410.5) internal successors, (1642), 4 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:52,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:52,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 438 [2024-10-24 15:34:52,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:52,787 INFO L124 PetriNetUnfolderBase]: 118/1973 cut-off events. [2024-10-24 15:34:52,788 INFO L125 PetriNetUnfolderBase]: For 42/43 co-relation queries the response was YES. [2024-10-24 15:34:52,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2255 conditions, 1973 events. 118/1973 cut-off events. For 42/43 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 11467 event pairs, 12 based on Foata normal form. 0/1772 useless extension candidates. Maximal degree in co-relation 2212. Up to 89 conditions per place. [2024-10-24 15:34:52,806 INFO L140 encePairwiseOnDemand]: 430/438 looper letters, 16 selfloop transitions, 8 changer transitions 0/377 dead transitions. [2024-10-24 15:34:52,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 377 transitions, 881 flow [2024-10-24 15:34:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 15:34:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-24 15:34:52,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2070 transitions. [2024-10-24 15:34:52,810 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9452054794520548 [2024-10-24 15:34:52,810 INFO L175 Difference]: Start difference. First operand has 368 places, 367 transitions, 810 flow. Second operand 5 states and 2070 transitions. [2024-10-24 15:34:52,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 377 transitions, 881 flow [2024-10-24 15:34:52,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 377 transitions, 869 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:34:52,817 INFO L231 Difference]: Finished difference. Result has 370 places, 373 transitions, 852 flow [2024-10-24 15:34:52,818 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=852, PETRI_PLACES=370, PETRI_TRANSITIONS=373} [2024-10-24 15:34:52,819 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -33 predicate places. [2024-10-24 15:34:52,819 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 373 transitions, 852 flow [2024-10-24 15:34:52,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 410.5) internal successors, (1642), 4 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:52,820 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:52,820 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] [2024-10-24 15:34:52,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:34:52,821 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:52,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:52,821 INFO L85 PathProgramCache]: Analyzing trace with hash 2024444209, now seen corresponding path program 1 times [2024-10-24 15:34:52,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:52,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967743134] [2024-10-24 15:34:52,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:52,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:52,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:52,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:52,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967743134] [2024-10-24 15:34:52,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967743134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:52,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:52,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:52,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971245282] [2024-10-24 15:34:52,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:52,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:52,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:52,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:52,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:52,886 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 438 [2024-10-24 15:34:52,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 373 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:52,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:52,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 438 [2024-10-24 15:34:52,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:53,253 INFO L124 PetriNetUnfolderBase]: 131/2772 cut-off events. [2024-10-24 15:34:53,254 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2024-10-24 15:34:53,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3124 conditions, 2772 events. 131/2772 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 19146 event pairs, 16 based on Foata normal form. 0/2500 useless extension candidates. Maximal degree in co-relation 3078. Up to 69 conditions per place. [2024-10-24 15:34:53,274 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 9 selfloop transitions, 2 changer transitions 0/373 dead transitions. [2024-10-24 15:34:53,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 373 transitions, 875 flow [2024-10-24 15:34:53,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:53,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1245 transitions. [2024-10-24 15:34:53,277 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9474885844748858 [2024-10-24 15:34:53,278 INFO L175 Difference]: Start difference. First operand has 370 places, 373 transitions, 852 flow. Second operand 3 states and 1245 transitions. [2024-10-24 15:34:53,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 373 transitions, 875 flow [2024-10-24 15:34:53,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 373 transitions, 875 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:34:53,287 INFO L231 Difference]: Finished difference. Result has 371 places, 372 transitions, 854 flow [2024-10-24 15:34:53,288 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=854, PETRI_PLACES=371, PETRI_TRANSITIONS=372} [2024-10-24 15:34:53,289 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -32 predicate places. [2024-10-24 15:34:53,289 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 372 transitions, 854 flow [2024-10-24 15:34:53,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:53,290 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:53,290 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] [2024-10-24 15:34:53,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 15:34:53,291 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:53,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:53,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1444039428, now seen corresponding path program 1 times [2024-10-24 15:34:53,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:53,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783681363] [2024-10-24 15:34:53,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:53,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:53,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:53,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783681363] [2024-10-24 15:34:53,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783681363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:53,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:53,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 15:34:53,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591757835] [2024-10-24 15:34:53,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:53,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 15:34:53,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:53,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 15:34:53,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 15:34:53,477 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 438 [2024-10-24 15:34:53,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 372 transitions, 854 flow. Second operand has 4 states, 4 states have (on average 410.5) internal successors, (1642), 4 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:53,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:53,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 438 [2024-10-24 15:34:53,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:53,755 INFO L124 PetriNetUnfolderBase]: 115/1963 cut-off events. [2024-10-24 15:34:53,755 INFO L125 PetriNetUnfolderBase]: For 120/121 co-relation queries the response was YES. [2024-10-24 15:34:53,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2323 conditions, 1963 events. 115/1963 cut-off events. For 120/121 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 11370 event pairs, 12 based on Foata normal form. 0/1778 useless extension candidates. Maximal degree in co-relation 2275. Up to 89 conditions per place. [2024-10-24 15:34:53,800 INFO L140 encePairwiseOnDemand]: 430/438 looper letters, 16 selfloop transitions, 8 changer transitions 0/379 dead transitions. [2024-10-24 15:34:53,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 379 transitions, 919 flow [2024-10-24 15:34:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 15:34:53,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-24 15:34:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2070 transitions. [2024-10-24 15:34:53,805 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9452054794520548 [2024-10-24 15:34:53,805 INFO L175 Difference]: Start difference. First operand has 371 places, 372 transitions, 854 flow. Second operand 5 states and 2070 transitions. [2024-10-24 15:34:53,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 379 transitions, 919 flow [2024-10-24 15:34:53,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 379 transitions, 915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:53,813 INFO L231 Difference]: Finished difference. Result has 376 places, 375 transitions, 892 flow [2024-10-24 15:34:53,814 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=892, PETRI_PLACES=376, PETRI_TRANSITIONS=375} [2024-10-24 15:34:53,815 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -27 predicate places. [2024-10-24 15:34:53,815 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 375 transitions, 892 flow [2024-10-24 15:34:53,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 410.5) internal successors, (1642), 4 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:53,817 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:53,817 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] [2024-10-24 15:34:53,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 15:34:53,817 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:53,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:53,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1131113462, now seen corresponding path program 1 times [2024-10-24 15:34:53,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:53,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059066718] [2024-10-24 15:34:53,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:53,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:54,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:54,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:54,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059066718] [2024-10-24 15:34:54,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059066718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:54,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:54,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:34:54,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423503711] [2024-10-24 15:34:54,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:54,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:34:54,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:54,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:34:54,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:34:54,476 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 378 out of 438 [2024-10-24 15:34:54,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 375 transitions, 892 flow. Second operand has 6 states, 6 states have (on average 379.6666666666667) internal successors, (2278), 6 states have internal predecessors, (2278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:54,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:54,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 378 of 438 [2024-10-24 15:34:54,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:54,737 INFO L124 PetriNetUnfolderBase]: 165/1651 cut-off events. [2024-10-24 15:34:54,737 INFO L125 PetriNetUnfolderBase]: For 235/236 co-relation queries the response was YES. [2024-10-24 15:34:54,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2314 conditions, 1651 events. 165/1651 cut-off events. For 235/236 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 9108 event pairs, 18 based on Foata normal form. 0/1538 useless extension candidates. Maximal degree in co-relation 2261. Up to 128 conditions per place. [2024-10-24 15:34:54,754 INFO L140 encePairwiseOnDemand]: 408/438 looper letters, 19 selfloop transitions, 28 changer transitions 0/374 dead transitions. [2024-10-24 15:34:54,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 374 transitions, 988 flow [2024-10-24 15:34:54,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:34:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:34:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2317 transitions. [2024-10-24 15:34:54,759 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8816590563165906 [2024-10-24 15:34:54,760 INFO L175 Difference]: Start difference. First operand has 376 places, 375 transitions, 892 flow. Second operand 6 states and 2317 transitions. [2024-10-24 15:34:54,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 374 transitions, 988 flow [2024-10-24 15:34:54,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 374 transitions, 988 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:34:54,768 INFO L231 Difference]: Finished difference. Result has 376 places, 370 transitions, 938 flow [2024-10-24 15:34:54,768 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=938, PETRI_PLACES=376, PETRI_TRANSITIONS=370} [2024-10-24 15:34:54,769 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -27 predicate places. [2024-10-24 15:34:54,769 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 370 transitions, 938 flow [2024-10-24 15:34:54,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 379.6666666666667) internal successors, (2278), 6 states have internal predecessors, (2278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:54,770 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:54,771 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] [2024-10-24 15:34:54,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 15:34:54,771 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:54,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:54,772 INFO L85 PathProgramCache]: Analyzing trace with hash 2061559154, now seen corresponding path program 1 times [2024-10-24 15:34:54,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:54,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273467083] [2024-10-24 15:34:54,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:54,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:54,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:54,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273467083] [2024-10-24 15:34:54,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273467083] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:54,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:54,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:54,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549174772] [2024-10-24 15:34:54,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:54,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:54,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:54,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:54,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:54,887 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2024-10-24 15:34:54,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 370 transitions, 938 flow. Second operand has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:54,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:54,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2024-10-24 15:34:54,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:55,177 INFO L124 PetriNetUnfolderBase]: 147/1897 cut-off events. [2024-10-24 15:34:55,177 INFO L125 PetriNetUnfolderBase]: For 249/250 co-relation queries the response was YES. [2024-10-24 15:34:55,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2646 conditions, 1897 events. 147/1897 cut-off events. For 249/250 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 11187 event pairs, 68 based on Foata normal form. 0/1763 useless extension candidates. Maximal degree in co-relation 2594. Up to 244 conditions per place. [2024-10-24 15:34:55,191 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 25 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2024-10-24 15:34:55,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 370 transitions, 993 flow [2024-10-24 15:34:55,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:55,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2024-10-24 15:34:55,195 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2024-10-24 15:34:55,195 INFO L175 Difference]: Start difference. First operand has 376 places, 370 transitions, 938 flow. Second operand 3 states and 1213 transitions. [2024-10-24 15:34:55,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 370 transitions, 993 flow [2024-10-24 15:34:55,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 370 transitions, 937 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:34:55,205 INFO L231 Difference]: Finished difference. Result has 372 places, 369 transitions, 884 flow [2024-10-24 15:34:55,205 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=372, PETRI_TRANSITIONS=369} [2024-10-24 15:34:55,206 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -31 predicate places. [2024-10-24 15:34:55,206 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 369 transitions, 884 flow [2024-10-24 15:34:55,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:55,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:55,207 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] [2024-10-24 15:34:55,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 15:34:55,208 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err37ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:55,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:55,208 INFO L85 PathProgramCache]: Analyzing trace with hash 449517968, now seen corresponding path program 1 times [2024-10-24 15:34:55,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:55,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824497003] [2024-10-24 15:34:55,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:55,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:55,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:55,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824497003] [2024-10-24 15:34:55,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824497003] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:55,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:55,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:55,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717723587] [2024-10-24 15:34:55,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:55,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:55,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:55,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:55,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:55,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2024-10-24 15:34:55,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 369 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:55,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:55,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2024-10-24 15:34:55,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:55,631 INFO L124 PetriNetUnfolderBase]: 141/1764 cut-off events. [2024-10-24 15:34:55,631 INFO L125 PetriNetUnfolderBase]: For 185/186 co-relation queries the response was YES. [2024-10-24 15:34:55,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2301 conditions, 1764 events. 141/1764 cut-off events. For 185/186 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10089 event pairs, 68 based on Foata normal form. 0/1637 useless extension candidates. Maximal degree in co-relation 2249. Up to 241 conditions per place. [2024-10-24 15:34:55,649 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 24 selfloop transitions, 2 changer transitions 1/369 dead transitions. [2024-10-24 15:34:55,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 369 transitions, 939 flow [2024-10-24 15:34:55,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:55,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:55,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2024-10-24 15:34:55,652 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2024-10-24 15:34:55,652 INFO L175 Difference]: Start difference. First operand has 372 places, 369 transitions, 884 flow. Second operand 3 states and 1213 transitions. [2024-10-24 15:34:55,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 369 transitions, 939 flow [2024-10-24 15:34:55,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 369 transitions, 935 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:55,660 INFO L231 Difference]: Finished difference. Result has 371 places, 368 transitions, 882 flow [2024-10-24 15:34:55,661 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=371, PETRI_TRANSITIONS=368} [2024-10-24 15:34:55,661 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -32 predicate places. [2024-10-24 15:34:55,661 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 368 transitions, 882 flow [2024-10-24 15:34:55,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:55,662 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:55,662 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] [2024-10-24 15:34:55,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 15:34:55,663 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:55,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:55,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1546012937, now seen corresponding path program 1 times [2024-10-24 15:34:55,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:55,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871208328] [2024-10-24 15:34:55,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:55,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:55,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:55,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871208328] [2024-10-24 15:34:55,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871208328] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:55,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:55,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:55,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45362567] [2024-10-24 15:34:55,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:55,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:55,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:55,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:55,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:55,799 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2024-10-24 15:34:55,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 368 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:55,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:55,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2024-10-24 15:34:55,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:56,061 INFO L124 PetriNetUnfolderBase]: 144/1818 cut-off events. [2024-10-24 15:34:56,061 INFO L125 PetriNetUnfolderBase]: For 187/188 co-relation queries the response was YES. [2024-10-24 15:34:56,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2361 conditions, 1818 events. 144/1818 cut-off events. For 187/188 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10566 event pairs, 68 based on Foata normal form. 0/1694 useless extension candidates. Maximal degree in co-relation 2309. Up to 242 conditions per place. [2024-10-24 15:34:56,074 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 24 selfloop transitions, 2 changer transitions 1/368 dead transitions. [2024-10-24 15:34:56,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 368 transitions, 937 flow [2024-10-24 15:34:56,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:56,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2024-10-24 15:34:56,078 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2024-10-24 15:34:56,078 INFO L175 Difference]: Start difference. First operand has 371 places, 368 transitions, 882 flow. Second operand 3 states and 1213 transitions. [2024-10-24 15:34:56,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 368 transitions, 937 flow [2024-10-24 15:34:56,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 368 transitions, 933 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:56,085 INFO L231 Difference]: Finished difference. Result has 370 places, 367 transitions, 880 flow [2024-10-24 15:34:56,085 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=370, PETRI_TRANSITIONS=367} [2024-10-24 15:34:56,086 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -33 predicate places. [2024-10-24 15:34:56,086 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 367 transitions, 880 flow [2024-10-24 15:34:56,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:56,087 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:56,087 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:56,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 15:34:56,087 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:56,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:56,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1703747666, now seen corresponding path program 1 times [2024-10-24 15:34:56,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:56,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997212651] [2024-10-24 15:34:56,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:56,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:56,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:56,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997212651] [2024-10-24 15:34:56,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997212651] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:56,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:56,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:56,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265522607] [2024-10-24 15:34:56,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:56,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:56,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:56,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:56,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:56,230 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2024-10-24 15:34:56,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 367 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:56,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:56,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2024-10-24 15:34:56,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:56,456 INFO L124 PetriNetUnfolderBase]: 146/1851 cut-off events. [2024-10-24 15:34:56,456 INFO L125 PetriNetUnfolderBase]: For 189/190 co-relation queries the response was YES. [2024-10-24 15:34:56,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2407 conditions, 1851 events. 146/1851 cut-off events. For 189/190 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 10722 event pairs, 68 based on Foata normal form. 0/1731 useless extension candidates. Maximal degree in co-relation 2355. Up to 244 conditions per place. [2024-10-24 15:34:56,476 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 25 selfloop transitions, 2 changer transitions 0/367 dead transitions. [2024-10-24 15:34:56,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 367 transitions, 935 flow [2024-10-24 15:34:56,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:56,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:56,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2024-10-24 15:34:56,479 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2024-10-24 15:34:56,479 INFO L175 Difference]: Start difference. First operand has 370 places, 367 transitions, 880 flow. Second operand 3 states and 1213 transitions. [2024-10-24 15:34:56,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 367 transitions, 935 flow [2024-10-24 15:34:56,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 367 transitions, 931 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:56,486 INFO L231 Difference]: Finished difference. Result has 369 places, 366 transitions, 878 flow [2024-10-24 15:34:56,487 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=369, PETRI_TRANSITIONS=366} [2024-10-24 15:34:56,488 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -34 predicate places. [2024-10-24 15:34:56,488 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 366 transitions, 878 flow [2024-10-24 15:34:56,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:56,489 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:56,489 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:56,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 15:34:56,489 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-10-24 15:34:56,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:56,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1992194871, now seen corresponding path program 1 times [2024-10-24 15:34:56,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:56,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112601182] [2024-10-24 15:34:56,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:56,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:56,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:56,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:56,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112601182] [2024-10-24 15:34:56,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112601182] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:56,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:56,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:56,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549567353] [2024-10-24 15:34:56,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:56,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:56,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:56,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:56,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:56,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2024-10-24 15:34:56,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 366 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:56,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:56,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2024-10-24 15:34:56,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:56,919 INFO L124 PetriNetUnfolderBase]: 145/1812 cut-off events. [2024-10-24 15:34:56,919 INFO L125 PetriNetUnfolderBase]: For 187/188 co-relation queries the response was YES. [2024-10-24 15:34:56,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2367 conditions, 1812 events. 145/1812 cut-off events. For 187/188 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 10373 event pairs, 68 based on Foata normal form. 0/1698 useless extension candidates. Maximal degree in co-relation 2315. Up to 244 conditions per place. [2024-10-24 15:34:56,929 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 0 selfloop transitions, 0 changer transitions 366/366 dead transitions. [2024-10-24 15:34:56,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 366 transitions, 933 flow [2024-10-24 15:34:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:56,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:56,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2024-10-24 15:34:56,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2024-10-24 15:34:56,932 INFO L175 Difference]: Start difference. First operand has 369 places, 366 transitions, 878 flow. Second operand 3 states and 1213 transitions. [2024-10-24 15:34:56,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 366 transitions, 933 flow [2024-10-24 15:34:56,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 366 transitions, 929 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:56,937 INFO L231 Difference]: Finished difference. Result has 368 places, 0 transitions, 0 flow [2024-10-24 15:34:56,938 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=872, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=368, PETRI_TRANSITIONS=0} [2024-10-24 15:34:56,938 INFO L277 CegarLoopForPetriNet]: 403 programPoint places, -35 predicate places. [2024-10-24 15:34:56,939 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 0 transitions, 0 flow [2024-10-24 15:34:56,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:56,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (101 of 102 remaining) [2024-10-24 15:34:56,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (100 of 102 remaining) [2024-10-24 15:34:56,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (99 of 102 remaining) [2024-10-24 15:34:56,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (98 of 102 remaining) [2024-10-24 15:34:56,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (97 of 102 remaining) [2024-10-24 15:34:56,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (96 of 102 remaining) [2024-10-24 15:34:56,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (95 of 102 remaining) [2024-10-24 15:34:56,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (94 of 102 remaining) [2024-10-24 15:34:56,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (93 of 102 remaining) [2024-10-24 15:34:56,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (92 of 102 remaining) [2024-10-24 15:34:56,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (91 of 102 remaining) [2024-10-24 15:34:56,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (90 of 102 remaining) [2024-10-24 15:34:56,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (89 of 102 remaining) [2024-10-24 15:34:56,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (88 of 102 remaining) [2024-10-24 15:34:56,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (87 of 102 remaining) [2024-10-24 15:34:56,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (86 of 102 remaining) [2024-10-24 15:34:56,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (85 of 102 remaining) [2024-10-24 15:34:56,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (84 of 102 remaining) [2024-10-24 15:34:56,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (83 of 102 remaining) [2024-10-24 15:34:56,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (82 of 102 remaining) [2024-10-24 15:34:56,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (81 of 102 remaining) [2024-10-24 15:34:56,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (80 of 102 remaining) [2024-10-24 15:34:56,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (79 of 102 remaining) [2024-10-24 15:34:56,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (78 of 102 remaining) [2024-10-24 15:34:56,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (77 of 102 remaining) [2024-10-24 15:34:56,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (76 of 102 remaining) [2024-10-24 15:34:56,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (75 of 102 remaining) [2024-10-24 15:34:56,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (74 of 102 remaining) [2024-10-24 15:34:56,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (73 of 102 remaining) [2024-10-24 15:34:56,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (72 of 102 remaining) [2024-10-24 15:34:56,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (71 of 102 remaining) [2024-10-24 15:34:56,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (70 of 102 remaining) [2024-10-24 15:34:56,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (69 of 102 remaining) [2024-10-24 15:34:56,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (68 of 102 remaining) [2024-10-24 15:34:56,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (67 of 102 remaining) [2024-10-24 15:34:56,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (66 of 102 remaining) [2024-10-24 15:34:56,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (65 of 102 remaining) [2024-10-24 15:34:56,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (64 of 102 remaining) [2024-10-24 15:34:56,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (63 of 102 remaining) [2024-10-24 15:34:56,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (62 of 102 remaining) [2024-10-24 15:34:56,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (61 of 102 remaining) [2024-10-24 15:34:56,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (60 of 102 remaining) [2024-10-24 15:34:56,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (59 of 102 remaining) [2024-10-24 15:34:56,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (58 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (57 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (56 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (52 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (51 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (50 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 102 remaining) [2024-10-24 15:34:56,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (45 of 102 remaining) [2024-10-24 15:34:56,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 102 remaining) [2024-10-24 15:34:56,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 102 remaining) [2024-10-24 15:34:56,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 102 remaining) [2024-10-24 15:34:56,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 102 remaining) [2024-10-24 15:34:56,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 102 remaining) [2024-10-24 15:34:56,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (39 of 102 remaining) [2024-10-24 15:34:56,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (38 of 102 remaining) [2024-10-24 15:34:56,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (37 of 102 remaining) [2024-10-24 15:34:56,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (36 of 102 remaining) [2024-10-24 15:34:56,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (35 of 102 remaining) [2024-10-24 15:34:56,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (34 of 102 remaining) [2024-10-24 15:34:56,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (33 of 102 remaining) [2024-10-24 15:34:56,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (32 of 102 remaining) [2024-10-24 15:34:56,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (31 of 102 remaining) [2024-10-24 15:34:56,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (30 of 102 remaining) [2024-10-24 15:34:56,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (29 of 102 remaining) [2024-10-24 15:34:56,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (28 of 102 remaining) [2024-10-24 15:34:56,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (27 of 102 remaining) [2024-10-24 15:34:56,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (26 of 102 remaining) [2024-10-24 15:34:56,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (25 of 102 remaining) [2024-10-24 15:34:56,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (24 of 102 remaining) [2024-10-24 15:34:56,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 102 remaining) [2024-10-24 15:34:56,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (22 of 102 remaining) [2024-10-24 15:34:56,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (21 of 102 remaining) [2024-10-24 15:34:56,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (20 of 102 remaining) [2024-10-24 15:34:56,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (19 of 102 remaining) [2024-10-24 15:34:56,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (18 of 102 remaining) [2024-10-24 15:34:56,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 102 remaining) [2024-10-24 15:34:56,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (16 of 102 remaining) [2024-10-24 15:34:56,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (15 of 102 remaining) [2024-10-24 15:34:56,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (14 of 102 remaining) [2024-10-24 15:34:56,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 102 remaining) [2024-10-24 15:34:56,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 102 remaining) [2024-10-24 15:34:56,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 102 remaining) [2024-10-24 15:34:56,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 102 remaining) [2024-10-24 15:34:56,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 102 remaining) [2024-10-24 15:34:56,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 102 remaining) [2024-10-24 15:34:56,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 102 remaining) [2024-10-24 15:34:56,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 102 remaining) [2024-10-24 15:34:56,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 102 remaining) [2024-10-24 15:34:56,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 102 remaining) [2024-10-24 15:34:56,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 102 remaining) [2024-10-24 15:34:56,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 102 remaining) [2024-10-24 15:34:56,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 102 remaining) [2024-10-24 15:34:56,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 102 remaining) [2024-10-24 15:34:56,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 15:34:56,957 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] [2024-10-24 15:34:56,965 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:34:56,965 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:34:56,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:34:56 BasicIcfg [2024-10-24 15:34:56,972 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:34:56,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:34:56,973 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:34:56,973 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:34:56,973 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:34:46" (3/4) ... [2024-10-24 15:34:56,975 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:34:56,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:34:56,979 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:34:56,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-24 15:34:56,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:34:56,985 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:34:56,985 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:34:57,084 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:34:57,085 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:34:57,085 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:34:57,086 INFO L158 Benchmark]: Toolchain (without parser) took 11922.37ms. Allocated memory was 184.5MB in the beginning and 480.2MB in the end (delta: 295.7MB). Free memory was 128.0MB in the beginning and 380.8MB in the end (delta: -252.8MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-10-24 15:34:57,086 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 184.5MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:34:57,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.52ms. Allocated memory is still 184.5MB. Free memory was 127.8MB in the beginning and 113.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 15:34:57,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.47ms. Allocated memory is still 184.5MB. Free memory was 113.4MB in the beginning and 110.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:34:57,086 INFO L158 Benchmark]: Boogie Preprocessor took 73.09ms. Allocated memory is still 184.5MB. Free memory was 110.3MB in the beginning and 107.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:34:57,087 INFO L158 Benchmark]: RCFGBuilder took 863.79ms. Allocated memory is still 184.5MB. Free memory was 107.5MB in the beginning and 73.5MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-10-24 15:34:57,087 INFO L158 Benchmark]: TraceAbstraction took 10495.36ms. Allocated memory was 184.5MB in the beginning and 480.2MB in the end (delta: 295.7MB). Free memory was 72.9MB in the beginning and 386.1MB in the end (delta: -313.2MB). Peak memory consumption was 211.5MB. Max. memory is 16.1GB. [2024-10-24 15:34:57,087 INFO L158 Benchmark]: Witness Printer took 112.55ms. Allocated memory is still 480.2MB. Free memory was 386.1MB in the beginning and 380.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 15:34:57,089 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 184.5MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.52ms. Allocated memory is still 184.5MB. Free memory was 127.8MB in the beginning and 113.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.47ms. Allocated memory is still 184.5MB. Free memory was 113.4MB in the beginning and 110.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.09ms. Allocated memory is still 184.5MB. Free memory was 110.3MB in the beginning and 107.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 863.79ms. Allocated memory is still 184.5MB. Free memory was 107.5MB in the beginning and 73.5MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10495.36ms. Allocated memory was 184.5MB in the beginning and 480.2MB in the end (delta: 295.7MB). Free memory was 72.9MB in the beginning and 386.1MB in the end (delta: -313.2MB). Peak memory consumption was 211.5MB. Max. memory is 16.1GB. * Witness Printer took 112.55ms. Allocated memory is still 480.2MB. Free memory was 386.1MB in the beginning and 380.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 60]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: 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: 61]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: 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: 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: 67]: 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: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: 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: 98]: 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 5 procedures, 701 locations, 102 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: 10.2s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2028 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 841 mSDsluCounter, 292 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 325 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2206 IncrementalHoareTripleChecker+Invalid, 2531 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 325 mSolverCounterUnsat, 223 mSDtfsCounter, 2206 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=938occurred in iteration=15, InterpolantAutomatonStates: 75, 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, 2.0s InterpolantComputationTime, 1897 NumberOfCodeBlocks, 1897 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1877 ConstructedInterpolants, 0 QuantifiedInterpolants, 2732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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 54 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:34:57,120 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