./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:42:30,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:42:31,065 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:42:31,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:42:31,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:42:31,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:42:31,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:42:31,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:42:31,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:42:31,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:42:31,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:42:31,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:42:31,110 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:42:31,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:42:31,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:42:31,113 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:42:31,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:42:31,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:42:31,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:42:31,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:42:31,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:42:31,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:42:31,116 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:42:31,116 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:42:31,116 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:42:31,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:42:31,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:42:31,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:42:31,117 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:42:31,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:42:31,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:42:31,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:42:31,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:42:31,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:42:31,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:42:31,118 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:42:31,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:42:31,118 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:42:31,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:42:31,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:42:31,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:42:31,119 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 [2024-11-16 23:42:31,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:42:31,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:42:31,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:42:31,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:42:31,356 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:42:31,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2024-11-16 23:42:32,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:42:32,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:42:32,851 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2024-11-16 23:42:32,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f8e4748/8dedade54bd3400da9458f9bd247f023/FLAG120894221 [2024-11-16 23:42:33,248 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f8e4748/8dedade54bd3400da9458f9bd247f023 [2024-11-16 23:42:33,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:42:33,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:42:33,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:42:33,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:42:33,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:42:33,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5053bde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33, skipping insertion in model container [2024-11-16 23:42:33,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:42:33,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:42:33,453 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:42:33,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:42:33,498 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:42:33,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33 WrapperNode [2024-11-16 23:42:33,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:42:33,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:42:33,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:42:33,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:42:33,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,534 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-11-16 23:42:33,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:42:33,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:42:33,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:42:33,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:42:33,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,560 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:42:33,567 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:42:33,567 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:42:33,567 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:42:33,568 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33" (1/1) ... [2024-11-16 23:42:33,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:42:33,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:42:33,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:42:33,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:42:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:42:33,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:42:33,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:42:33,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-16 23:42:33,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-16 23:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:42:33,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:42:33,652 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:42:33,748 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:42:33,750 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:42:34,256 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:42:34,257 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:42:34,285 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:42:34,285 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:42:34,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:34 BoogieIcfgContainer [2024-11-16 23:42:34,286 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:42:34,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:42:34,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:42:34,298 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:42:34,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:42:33" (1/3) ... [2024-11-16 23:42:34,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ed52c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:42:34, skipping insertion in model container [2024-11-16 23:42:34,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:33" (2/3) ... [2024-11-16 23:42:34,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ed52c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:42:34, skipping insertion in model container [2024-11-16 23:42:34,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:34" (3/3) ... [2024-11-16 23:42:34,300 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2024-11-16 23:42:34,318 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:42:34,318 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 107 error locations. [2024-11-16 23:42:34,318 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:42:34,436 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-16 23:42:34,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 546 places, 547 transitions, 1122 flow [2024-11-16 23:42:34,663 INFO L124 PetriNetUnfolderBase]: 14/543 cut-off events. [2024-11-16 23:42:34,663 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:42:34,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 543 events. 14/543 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1835 event pairs, 0 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 413. Up to 2 conditions per place. [2024-11-16 23:42:34,683 INFO L82 GeneralOperation]: Start removeDead. Operand has 546 places, 547 transitions, 1122 flow [2024-11-16 23:42:34,697 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 524 places, 523 transitions, 1070 flow [2024-11-16 23:42:34,707 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:42:34,714 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;@3de13cc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:42:34,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 203 error locations. [2024-11-16 23:42:34,719 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:42:34,720 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-16 23:42:34,720 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:42:34,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:34,721 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:34,721 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:34,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:34,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1913155784, now seen corresponding path program 1 times [2024-11-16 23:42:34,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:34,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561496959] [2024-11-16 23:42:34,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:34,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:34,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:34,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:34,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561496959] [2024-11-16 23:42:34,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561496959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:34,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:34,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:34,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822255652] [2024-11-16 23:42:34,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:34,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:34,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:34,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:34,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:35,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 547 [2024-11-16 23:42:35,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 523 transitions, 1070 flow. Second operand has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:35,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:35,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 547 [2024-11-16 23:42:35,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:35,340 INFO L124 PetriNetUnfolderBase]: 76/868 cut-off events. [2024-11-16 23:42:35,340 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-11-16 23:42:35,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 868 events. 76/868 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4809 event pairs, 66 based on Foata normal form. 145/825 useless extension candidates. Maximal degree in co-relation 1049. Up to 172 conditions per place. [2024-11-16 23:42:35,374 INFO L140 encePairwiseOnDemand]: 539/547 looper letters, 36 selfloop transitions, 2 changer transitions 1/517 dead transitions. [2024-11-16 23:42:35,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 517 transitions, 1134 flow [2024-11-16 23:42:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:35,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1544 transitions. [2024-11-16 23:42:35,396 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9408897014015845 [2024-11-16 23:42:35,399 INFO L175 Difference]: Start difference. First operand has 524 places, 523 transitions, 1070 flow. Second operand 3 states and 1544 transitions. [2024-11-16 23:42:35,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 517 transitions, 1134 flow [2024-11-16 23:42:35,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 517 transitions, 1118 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-16 23:42:35,416 INFO L231 Difference]: Finished difference. Result has 517 places, 516 transitions, 1044 flow [2024-11-16 23:42:35,419 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1044, PETRI_PLACES=517, PETRI_TRANSITIONS=516} [2024-11-16 23:42:35,422 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -7 predicate places. [2024-11-16 23:42:35,424 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 516 transitions, 1044 flow [2024-11-16 23:42:35,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:35,426 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:35,427 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:35,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:42:35,427 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:35,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:35,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1513051632, now seen corresponding path program 1 times [2024-11-16 23:42:35,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:35,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010343846] [2024-11-16 23:42:35,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:35,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:35,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:35,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:35,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010343846] [2024-11-16 23:42:35,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010343846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:35,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:35,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:35,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923371369] [2024-11-16 23:42:35,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:35,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:35,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:35,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:35,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:35,603 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 547 [2024-11-16 23:42:35,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 516 transitions, 1044 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:35,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:35,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 547 [2024-11-16 23:42:35,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:35,882 INFO L124 PetriNetUnfolderBase]: 76/866 cut-off events. [2024-11-16 23:42:35,882 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-16 23:42:35,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 866 events. 76/866 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4948 event pairs, 66 based on Foata normal form. 0/680 useless extension candidates. Maximal degree in co-relation 1061. Up to 171 conditions per place. [2024-11-16 23:42:35,916 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 35 selfloop transitions, 2 changer transitions 0/515 dead transitions. [2024-11-16 23:42:35,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 515 transitions, 1116 flow [2024-11-16 23:42:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:35,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1541 transitions. [2024-11-16 23:42:35,920 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390615478366849 [2024-11-16 23:42:35,920 INFO L175 Difference]: Start difference. First operand has 517 places, 516 transitions, 1044 flow. Second operand 3 states and 1541 transitions. [2024-11-16 23:42:35,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 515 transitions, 1116 flow [2024-11-16 23:42:35,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 515 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:35,954 INFO L231 Difference]: Finished difference. Result has 515 places, 515 transitions, 1042 flow [2024-11-16 23:42:35,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1042, PETRI_PLACES=515, PETRI_TRANSITIONS=515} [2024-11-16 23:42:35,955 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -9 predicate places. [2024-11-16 23:42:35,955 INFO L471 AbstractCegarLoop]: Abstraction has has 515 places, 515 transitions, 1042 flow [2024-11-16 23:42:35,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:35,957 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:35,957 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:35,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:42:35,958 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:35,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:35,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1526110514, now seen corresponding path program 1 times [2024-11-16 23:42:35,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:35,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060273807] [2024-11-16 23:42:35,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:35,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:36,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:36,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:36,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060273807] [2024-11-16 23:42:36,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060273807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:36,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:36,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:36,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358529729] [2024-11-16 23:42:36,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:36,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:36,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:36,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:36,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:36,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 547 [2024-11-16 23:42:36,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 515 transitions, 1042 flow. Second operand has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:36,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:36,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 547 [2024-11-16 23:42:36,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:36,343 INFO L124 PetriNetUnfolderBase]: 76/793 cut-off events. [2024-11-16 23:42:36,344 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-16 23:42:36,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 997 conditions, 793 events. 76/793 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4315 event pairs, 66 based on Foata normal form. 0/633 useless extension candidates. Maximal degree in co-relation 960. Up to 172 conditions per place. [2024-11-16 23:42:36,364 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/514 dead transitions. [2024-11-16 23:42:36,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 514 transitions, 1116 flow [2024-11-16 23:42:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:36,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1539 transitions. [2024-11-16 23:42:36,368 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9378427787934186 [2024-11-16 23:42:36,368 INFO L175 Difference]: Start difference. First operand has 515 places, 515 transitions, 1042 flow. Second operand 3 states and 1539 transitions. [2024-11-16 23:42:36,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 514 transitions, 1116 flow [2024-11-16 23:42:36,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 514 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:36,374 INFO L231 Difference]: Finished difference. Result has 514 places, 514 transitions, 1040 flow [2024-11-16 23:42:36,375 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=512, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1040, PETRI_PLACES=514, PETRI_TRANSITIONS=514} [2024-11-16 23:42:36,377 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -10 predicate places. [2024-11-16 23:42:36,377 INFO L471 AbstractCegarLoop]: Abstraction has has 514 places, 514 transitions, 1040 flow [2024-11-16 23:42:36,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:36,378 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:36,379 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:36,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:42:36,379 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:36,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:36,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1867645423, now seen corresponding path program 1 times [2024-11-16 23:42:36,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:36,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91553938] [2024-11-16 23:42:36,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:36,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:36,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:36,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91553938] [2024-11-16 23:42:36,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91553938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:36,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:36,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:36,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251359620] [2024-11-16 23:42:36,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:36,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:36,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:36,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:36,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:36,531 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 547 [2024-11-16 23:42:36,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 514 transitions, 1040 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:36,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:36,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 547 [2024-11-16 23:42:36,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:36,677 INFO L124 PetriNetUnfolderBase]: 76/720 cut-off events. [2024-11-16 23:42:36,677 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-16 23:42:36,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 901 conditions, 720 events. 76/720 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3611 event pairs, 66 based on Foata normal form. 0/586 useless extension candidates. Maximal degree in co-relation 857. Up to 171 conditions per place. [2024-11-16 23:42:36,696 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 35 selfloop transitions, 2 changer transitions 0/513 dead transitions. [2024-11-16 23:42:36,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 513 transitions, 1112 flow [2024-11-16 23:42:36,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:36,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1541 transitions. [2024-11-16 23:42:36,698 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390615478366849 [2024-11-16 23:42:36,699 INFO L175 Difference]: Start difference. First operand has 514 places, 514 transitions, 1040 flow. Second operand 3 states and 1541 transitions. [2024-11-16 23:42:36,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 513 transitions, 1112 flow [2024-11-16 23:42:36,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 513 transitions, 1108 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:36,709 INFO L231 Difference]: Finished difference. Result has 513 places, 513 transitions, 1038 flow [2024-11-16 23:42:36,710 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=513, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1038, PETRI_PLACES=513, PETRI_TRANSITIONS=513} [2024-11-16 23:42:36,710 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -11 predicate places. [2024-11-16 23:42:36,710 INFO L471 AbstractCegarLoop]: Abstraction has has 513 places, 513 transitions, 1038 flow [2024-11-16 23:42:36,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:36,711 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:36,711 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:36,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:42:36,712 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:36,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:36,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1887186698, now seen corresponding path program 1 times [2024-11-16 23:42:36,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:36,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658746059] [2024-11-16 23:42:36,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:36,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:36,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:36,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:36,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658746059] [2024-11-16 23:42:36,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658746059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:36,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:36,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:36,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112023410] [2024-11-16 23:42:36,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:36,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:36,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:36,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:36,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:36,788 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 521 out of 547 [2024-11-16 23:42:36,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 513 transitions, 1038 flow. Second operand has 3 states, 3 states have (on average 522.3333333333334) internal successors, (1567), 3 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:36,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:36,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 521 of 547 [2024-11-16 23:42:36,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:37,383 INFO L124 PetriNetUnfolderBase]: 102/3430 cut-off events. [2024-11-16 23:42:37,384 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-16 23:42:37,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3595 conditions, 3430 events. 102/3430 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 31134 event pairs, 51 based on Foata normal form. 0/2582 useless extension candidates. Maximal degree in co-relation 3544. Up to 144 conditions per place. [2024-11-16 23:42:37,447 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 15 selfloop transitions, 2 changer transitions 0/512 dead transitions. [2024-11-16 23:42:37,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 512 transitions, 1070 flow [2024-11-16 23:42:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:37,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:37,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1581 transitions. [2024-11-16 23:42:37,451 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9634369287020109 [2024-11-16 23:42:37,451 INFO L175 Difference]: Start difference. First operand has 513 places, 513 transitions, 1038 flow. Second operand 3 states and 1581 transitions. [2024-11-16 23:42:37,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 512 transitions, 1070 flow [2024-11-16 23:42:37,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 512 transitions, 1066 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:37,459 INFO L231 Difference]: Finished difference. Result has 512 places, 512 transitions, 1036 flow [2024-11-16 23:42:37,460 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1036, PETRI_PLACES=512, PETRI_TRANSITIONS=512} [2024-11-16 23:42:37,461 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -12 predicate places. [2024-11-16 23:42:37,461 INFO L471 AbstractCegarLoop]: Abstraction has has 512 places, 512 transitions, 1036 flow [2024-11-16 23:42:37,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 522.3333333333334) internal successors, (1567), 3 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:37,462 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:37,462 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:37,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:42:37,463 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:37,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:37,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1788409323, now seen corresponding path program 1 times [2024-11-16 23:42:37,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:37,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802142208] [2024-11-16 23:42:37,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:37,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:37,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:37,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802142208] [2024-11-16 23:42:37,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802142208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:37,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:37,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:37,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224552627] [2024-11-16 23:42:37,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:37,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:37,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:37,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:37,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:37,577 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 470 out of 547 [2024-11-16 23:42:37,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 512 transitions, 1036 flow. Second operand has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:37,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:37,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 470 of 547 [2024-11-16 23:42:37,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:37,774 INFO L124 PetriNetUnfolderBase]: 121/846 cut-off events. [2024-11-16 23:42:37,775 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:42:37,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 846 events. 121/846 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4930 event pairs, 90 based on Foata normal form. 0/723 useless extension candidates. Maximal degree in co-relation 1186. Up to 228 conditions per place. [2024-11-16 23:42:37,800 INFO L140 encePairwiseOnDemand]: 514/547 looper letters, 41 selfloop transitions, 15 changer transitions 0/498 dead transitions. [2024-11-16 23:42:37,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 498 transitions, 1123 flow [2024-11-16 23:42:37,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1484 transitions. [2024-11-16 23:42:37,803 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9043266301035954 [2024-11-16 23:42:37,804 INFO L175 Difference]: Start difference. First operand has 512 places, 512 transitions, 1036 flow. Second operand 3 states and 1484 transitions. [2024-11-16 23:42:37,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 498 transitions, 1123 flow [2024-11-16 23:42:37,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 498 transitions, 1119 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:37,812 INFO L231 Difference]: Finished difference. Result has 495 places, 495 transitions, 1045 flow [2024-11-16 23:42:37,813 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=495, PETRI_TRANSITIONS=495} [2024-11-16 23:42:37,815 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -29 predicate places. [2024-11-16 23:42:37,815 INFO L471 AbstractCegarLoop]: Abstraction has has 495 places, 495 transitions, 1045 flow [2024-11-16 23:42:37,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:37,816 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:37,816 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:37,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:42:37,817 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:37,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:37,818 INFO L85 PathProgramCache]: Analyzing trace with hash 674457876, now seen corresponding path program 1 times [2024-11-16 23:42:37,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:37,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631913500] [2024-11-16 23:42:37,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:37,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:37,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:37,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:37,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631913500] [2024-11-16 23:42:37,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631913500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:37,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:37,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:37,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475033274] [2024-11-16 23:42:37,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:37,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:37,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:37,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:37,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:37,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 473 out of 547 [2024-11-16 23:42:37,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 495 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:37,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:37,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 473 of 547 [2024-11-16 23:42:37,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:38,115 INFO L124 PetriNetUnfolderBase]: 121/830 cut-off events. [2024-11-16 23:42:38,115 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-11-16 23:42:38,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 830 events. 121/830 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4990 event pairs, 90 based on Foata normal form. 0/725 useless extension candidates. Maximal degree in co-relation 1066. Up to 226 conditions per place. [2024-11-16 23:42:38,141 INFO L140 encePairwiseOnDemand]: 515/547 looper letters, 39 selfloop transitions, 15 changer transitions 0/482 dead transitions. [2024-11-16 23:42:38,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 482 transitions, 1130 flow [2024-11-16 23:42:38,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:38,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:38,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1490 transitions. [2024-11-16 23:42:38,144 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9079829372333943 [2024-11-16 23:42:38,144 INFO L175 Difference]: Start difference. First operand has 495 places, 495 transitions, 1045 flow. Second operand 3 states and 1490 transitions. [2024-11-16 23:42:38,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 482 transitions, 1130 flow [2024-11-16 23:42:38,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 482 transitions, 1115 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:42:38,150 INFO L231 Difference]: Finished difference. Result has 480 places, 479 transitions, 1045 flow [2024-11-16 23:42:38,151 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=480, PETRI_TRANSITIONS=479} [2024-11-16 23:42:38,151 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -44 predicate places. [2024-11-16 23:42:38,151 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 479 transitions, 1045 flow [2024-11-16 23:42:38,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:38,153 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:38,153 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:38,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:42:38,153 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:38,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:38,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1190806466, now seen corresponding path program 1 times [2024-11-16 23:42:38,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:38,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915464585] [2024-11-16 23:42:38,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:38,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:38,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:38,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915464585] [2024-11-16 23:42:38,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915464585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:38,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:38,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:38,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848017410] [2024-11-16 23:42:38,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:38,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:38,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:38,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:38,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:38,283 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 470 out of 547 [2024-11-16 23:42:38,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 479 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:38,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:38,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 470 of 547 [2024-11-16 23:42:38,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:38,573 INFO L124 PetriNetUnfolderBase]: 128/1092 cut-off events. [2024-11-16 23:42:38,573 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES. [2024-11-16 23:42:38,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1092 events. 128/1092 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6919 event pairs, 21 based on Foata normal form. 0/973 useless extension candidates. Maximal degree in co-relation 1271. Up to 232 conditions per place. [2024-11-16 23:42:38,604 INFO L140 encePairwiseOnDemand]: 513/547 looper letters, 44 selfloop transitions, 16 changer transitions 0/469 dead transitions. [2024-11-16 23:42:38,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 469 transitions, 1151 flow [2024-11-16 23:42:38,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:38,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1488 transitions. [2024-11-16 23:42:38,608 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.906764168190128 [2024-11-16 23:42:38,608 INFO L175 Difference]: Start difference. First operand has 480 places, 479 transitions, 1045 flow. Second operand 3 states and 1488 transitions. [2024-11-16 23:42:38,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 469 transitions, 1151 flow [2024-11-16 23:42:38,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 469 transitions, 1136 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:42:38,618 INFO L231 Difference]: Finished difference. Result has 464 places, 463 transitions, 1050 flow [2024-11-16 23:42:38,619 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=994, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1050, PETRI_PLACES=464, PETRI_TRANSITIONS=463} [2024-11-16 23:42:38,619 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -60 predicate places. [2024-11-16 23:42:38,620 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 463 transitions, 1050 flow [2024-11-16 23:42:38,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:38,621 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:38,621 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:38,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:42:38,621 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:38,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:38,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1903731192, now seen corresponding path program 1 times [2024-11-16 23:42:38,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:38,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67057582] [2024-11-16 23:42:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:38,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:38,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:38,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67057582] [2024-11-16 23:42:38,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67057582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:38,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:38,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:42:38,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547036966] [2024-11-16 23:42:38,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:38,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:42:38,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:38,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:42:38,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:42:38,717 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 520 out of 547 [2024-11-16 23:42:38,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 463 transitions, 1050 flow. Second operand has 4 states, 4 states have (on average 521.25) internal successors, (2085), 4 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:38,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:38,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 520 of 547 [2024-11-16 23:42:38,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:38,867 INFO L124 PetriNetUnfolderBase]: 12/791 cut-off events. [2024-11-16 23:42:38,868 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-16 23:42:38,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 791 events. 12/791 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3620 event pairs, 0 based on Foata normal form. 0/692 useless extension candidates. Maximal degree in co-relation 657. Up to 26 conditions per place. [2024-11-16 23:42:38,883 INFO L140 encePairwiseOnDemand]: 541/547 looper letters, 19 selfloop transitions, 5 changer transitions 0/468 dead transitions. [2024-11-16 23:42:38,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 468 transitions, 1108 flow [2024-11-16 23:42:38,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:42:38,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:42:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2625 transitions. [2024-11-16 23:42:38,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9597806215722121 [2024-11-16 23:42:38,888 INFO L175 Difference]: Start difference. First operand has 464 places, 463 transitions, 1050 flow. Second operand 5 states and 2625 transitions. [2024-11-16 23:42:38,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 468 transitions, 1108 flow [2024-11-16 23:42:38,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 468 transitions, 1092 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:42:38,896 INFO L231 Difference]: Finished difference. Result has 471 places, 467 transitions, 1072 flow [2024-11-16 23:42:38,897 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1072, PETRI_PLACES=471, PETRI_TRANSITIONS=467} [2024-11-16 23:42:38,898 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -53 predicate places. [2024-11-16 23:42:38,898 INFO L471 AbstractCegarLoop]: Abstraction has has 471 places, 467 transitions, 1072 flow [2024-11-16 23:42:38,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 521.25) internal successors, (2085), 4 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:38,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:38,899 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:38,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:42:38,900 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:38,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:38,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1047437018, now seen corresponding path program 1 times [2024-11-16 23:42:38,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:38,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846673037] [2024-11-16 23:42:38,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:38,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:38,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:38,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:38,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846673037] [2024-11-16 23:42:38,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846673037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:38,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:38,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:38,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747175858] [2024-11-16 23:42:38,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:38,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:38,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:38,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:38,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:39,017 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 473 out of 547 [2024-11-16 23:42:39,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 467 transitions, 1072 flow. Second operand has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:39,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:39,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 473 of 547 [2024-11-16 23:42:39,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:39,294 INFO L124 PetriNetUnfolderBase]: 208/1557 cut-off events. [2024-11-16 23:42:39,294 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2024-11-16 23:42:39,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 1557 events. 208/1557 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 11678 event pairs, 35 based on Foata normal form. 1/1441 useless extension candidates. Maximal degree in co-relation 1733. Up to 380 conditions per place. [2024-11-16 23:42:39,321 INFO L140 encePairwiseOnDemand]: 515/547 looper letters, 40 selfloop transitions, 15 changer transitions 10/458 dead transitions. [2024-11-16 23:42:39,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 458 transitions, 1175 flow [2024-11-16 23:42:39,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1493 transitions. [2024-11-16 23:42:39,324 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9098110907982937 [2024-11-16 23:42:39,324 INFO L175 Difference]: Start difference. First operand has 471 places, 467 transitions, 1072 flow. Second operand 3 states and 1493 transitions. [2024-11-16 23:42:39,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 458 transitions, 1175 flow [2024-11-16 23:42:39,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 458 transitions, 1175 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:39,330 INFO L231 Difference]: Finished difference. Result has 457 places, 441 transitions, 1066 flow [2024-11-16 23:42:39,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1066, PETRI_PLACES=457, PETRI_TRANSITIONS=441} [2024-11-16 23:42:39,331 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -67 predicate places. [2024-11-16 23:42:39,331 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 441 transitions, 1066 flow [2024-11-16 23:42:39,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:39,332 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:39,332 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:39,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:42:39,332 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:39,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:39,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1487002866, now seen corresponding path program 1 times [2024-11-16 23:42:39,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:39,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89285447] [2024-11-16 23:42:39,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:39,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:39,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:39,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:39,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89285447] [2024-11-16 23:42:39,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89285447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:39,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:39,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:39,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010442637] [2024-11-16 23:42:39,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:39,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:39,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:39,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:39,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:39,392 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 519 out of 547 [2024-11-16 23:42:39,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 441 transitions, 1066 flow. Second operand has 3 states, 3 states have (on average 520.3333333333334) internal successors, (1561), 3 states have internal predecessors, (1561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:39,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:39,394 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 519 of 547 [2024-11-16 23:42:39,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:41,588 INFO L124 PetriNetUnfolderBase]: 751/14488 cut-off events. [2024-11-16 23:42:41,588 INFO L125 PetriNetUnfolderBase]: For 439/439 co-relation queries the response was YES. [2024-11-16 23:42:41,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18474 conditions, 14488 events. 751/14488 cut-off events. For 439/439 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 189613 event pairs, 349 based on Foata normal form. 0/12922 useless extension candidates. Maximal degree in co-relation 14026. Up to 1015 conditions per place. [2024-11-16 23:42:41,752 INFO L140 encePairwiseOnDemand]: 539/547 looper letters, 19 selfloop transitions, 4 changer transitions 0/444 dead transitions. [2024-11-16 23:42:41,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 444 transitions, 1121 flow [2024-11-16 23:42:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:41,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:41,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1584 transitions. [2024-11-16 23:42:41,755 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9652650822669104 [2024-11-16 23:42:41,755 INFO L175 Difference]: Start difference. First operand has 457 places, 441 transitions, 1066 flow. Second operand 3 states and 1584 transitions. [2024-11-16 23:42:41,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 444 transitions, 1121 flow [2024-11-16 23:42:41,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 444 transitions, 1106 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:42:41,768 INFO L231 Difference]: Finished difference. Result has 445 places, 441 transitions, 1071 flow [2024-11-16 23:42:41,769 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1071, PETRI_PLACES=445, PETRI_TRANSITIONS=441} [2024-11-16 23:42:41,769 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -79 predicate places. [2024-11-16 23:42:41,770 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 441 transitions, 1071 flow [2024-11-16 23:42:41,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 520.3333333333334) internal successors, (1561), 3 states have internal predecessors, (1561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:41,771 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:41,771 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] [2024-11-16 23:42:41,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:42:41,771 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:41,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:41,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1467331938, now seen corresponding path program 1 times [2024-11-16 23:42:41,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:41,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180533694] [2024-11-16 23:42:41,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:41,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:41,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:41,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180533694] [2024-11-16 23:42:41,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180533694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:41,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:41,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:41,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474302236] [2024-11-16 23:42:41,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:41,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:41,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:41,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:41,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:41,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:42:41,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 441 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:41,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:41,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:42:41,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:42,701 INFO L124 PetriNetUnfolderBase]: 365/4355 cut-off events. [2024-11-16 23:42:42,701 INFO L125 PetriNetUnfolderBase]: For 167/179 co-relation queries the response was YES. [2024-11-16 23:42:42,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6095 conditions, 4355 events. 365/4355 cut-off events. For 167/179 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 42857 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 4185. Up to 528 conditions per place. [2024-11-16 23:42:42,772 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2024-11-16 23:42:42,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 443 transitions, 1156 flow [2024-11-16 23:42:42,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:42,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:42,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:42:42,774 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:42:42,774 INFO L175 Difference]: Start difference. First operand has 445 places, 441 transitions, 1071 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:42:42,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 443 transitions, 1156 flow [2024-11-16 23:42:42,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 443 transitions, 1156 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:42,781 INFO L231 Difference]: Finished difference. Result has 446 places, 440 transitions, 1073 flow [2024-11-16 23:42:42,782 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1069, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1073, PETRI_PLACES=446, PETRI_TRANSITIONS=440} [2024-11-16 23:42:42,782 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -78 predicate places. [2024-11-16 23:42:42,783 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 440 transitions, 1073 flow [2024-11-16 23:42:42,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:42,784 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:42,784 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:42,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:42:42,784 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:42,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:42,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1268758048, now seen corresponding path program 1 times [2024-11-16 23:42:42,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:42,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250099043] [2024-11-16 23:42:42,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:42,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:42,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:42,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:42,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250099043] [2024-11-16 23:42:42,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250099043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:42,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:42,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:42,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398078689] [2024-11-16 23:42:42,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:42,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:42,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:42,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:42,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:42,881 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:42:42,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 440 transitions, 1073 flow. Second operand has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:42,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:42,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:42:42,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:44,047 INFO L124 PetriNetUnfolderBase]: 692/5707 cut-off events. [2024-11-16 23:42:44,048 INFO L125 PetriNetUnfolderBase]: For 586/594 co-relation queries the response was YES. [2024-11-16 23:42:44,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8572 conditions, 5707 events. 692/5707 cut-off events. For 586/594 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 60592 event pairs, 499 based on Foata normal form. 0/5177 useless extension candidates. Maximal degree in co-relation 8263. Up to 1234 conditions per place. [2024-11-16 23:42:44,140 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/442 dead transitions. [2024-11-16 23:42:44,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 442 transitions, 1156 flow [2024-11-16 23:42:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:44,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:42:44,144 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:42:44,144 INFO L175 Difference]: Start difference. First operand has 446 places, 440 transitions, 1073 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:42:44,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 442 transitions, 1156 flow [2024-11-16 23:42:44,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 442 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:44,152 INFO L231 Difference]: Finished difference. Result has 445 places, 439 transitions, 1071 flow [2024-11-16 23:42:44,153 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1067, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1071, PETRI_PLACES=445, PETRI_TRANSITIONS=439} [2024-11-16 23:42:44,153 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -79 predicate places. [2024-11-16 23:42:44,154 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 439 transitions, 1071 flow [2024-11-16 23:42:44,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:44,155 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:44,155 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:44,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:42:44,155 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:44,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:44,156 INFO L85 PathProgramCache]: Analyzing trace with hash -2049214338, now seen corresponding path program 1 times [2024-11-16 23:42:44,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:44,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449928593] [2024-11-16 23:42:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:44,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:44,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:44,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:44,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449928593] [2024-11-16 23:42:44,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449928593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:44,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:44,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:44,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204485202] [2024-11-16 23:42:44,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:44,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:44,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:44,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:44,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:44,282 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:42:44,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 439 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:44,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:44,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:42:44,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:45,223 INFO L124 PetriNetUnfolderBase]: 365/4331 cut-off events. [2024-11-16 23:42:45,223 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-16 23:42:45,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6096 conditions, 4331 events. 365/4331 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 42643 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5064. Up to 528 conditions per place. [2024-11-16 23:42:45,285 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/441 dead transitions. [2024-11-16 23:42:45,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 441 transitions, 1156 flow [2024-11-16 23:42:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:42:45,288 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:42:45,288 INFO L175 Difference]: Start difference. First operand has 445 places, 439 transitions, 1071 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:42:45,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 441 transitions, 1156 flow [2024-11-16 23:42:45,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 441 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:45,295 INFO L231 Difference]: Finished difference. Result has 444 places, 438 transitions, 1069 flow [2024-11-16 23:42:45,295 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1069, PETRI_PLACES=444, PETRI_TRANSITIONS=438} [2024-11-16 23:42:45,296 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -80 predicate places. [2024-11-16 23:42:45,296 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 438 transitions, 1069 flow [2024-11-16 23:42:45,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:45,297 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:45,297 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:45,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:42:45,297 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:45,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:45,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1215292094, now seen corresponding path program 1 times [2024-11-16 23:42:45,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:45,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236543628] [2024-11-16 23:42:45,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:45,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:45,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:45,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236543628] [2024-11-16 23:42:45,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236543628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:45,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:45,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:45,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159710950] [2024-11-16 23:42:45,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:45,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:45,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:45,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:45,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:45,417 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:42:45,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 438 transitions, 1069 flow. Second operand has 3 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:45,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:45,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:42:45,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:46,277 INFO L124 PetriNetUnfolderBase]: 462/4381 cut-off events. [2024-11-16 23:42:46,278 INFO L125 PetriNetUnfolderBase]: For 474/477 co-relation queries the response was YES. [2024-11-16 23:42:46,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6384 conditions, 4381 events. 462/4381 cut-off events. For 474/477 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 43458 event pairs, 314 based on Foata normal form. 0/3978 useless extension candidates. Maximal degree in co-relation 6125. Up to 853 conditions per place. [2024-11-16 23:42:46,357 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/440 dead transitions. [2024-11-16 23:42:46,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 440 transitions, 1156 flow [2024-11-16 23:42:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:46,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:42:46,360 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:42:46,360 INFO L175 Difference]: Start difference. First operand has 444 places, 438 transitions, 1069 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:42:46,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 440 transitions, 1156 flow [2024-11-16 23:42:46,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 440 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:46,368 INFO L231 Difference]: Finished difference. Result has 443 places, 437 transitions, 1067 flow [2024-11-16 23:42:46,368 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1063, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1067, PETRI_PLACES=443, PETRI_TRANSITIONS=437} [2024-11-16 23:42:46,369 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -81 predicate places. [2024-11-16 23:42:46,369 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 437 transitions, 1067 flow [2024-11-16 23:42:46,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:46,370 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:46,370 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:46,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:42:46,370 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:46,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:46,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1471262620, now seen corresponding path program 1 times [2024-11-16 23:42:46,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:46,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510392257] [2024-11-16 23:42:46,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:46,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:46,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:46,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510392257] [2024-11-16 23:42:46,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510392257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:46,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:46,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:46,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224319721] [2024-11-16 23:42:46,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:46,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:46,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:46,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:46,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:46,469 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:42:46,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 437 transitions, 1067 flow. Second operand has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:46,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:46,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:42:46,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:47,807 INFO L124 PetriNetUnfolderBase]: 704/5884 cut-off events. [2024-11-16 23:42:47,807 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-16 23:42:47,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8825 conditions, 5884 events. 704/5884 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 62450 event pairs, 499 based on Foata normal form. 0/5374 useless extension candidates. Maximal degree in co-relation 7629. Up to 1234 conditions per place. [2024-11-16 23:42:47,988 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/439 dead transitions. [2024-11-16 23:42:47,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 439 transitions, 1150 flow [2024-11-16 23:42:47,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:47,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:42:47,991 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:42:47,991 INFO L175 Difference]: Start difference. First operand has 443 places, 437 transitions, 1067 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:42:47,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 439 transitions, 1150 flow [2024-11-16 23:42:47,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 439 transitions, 1146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:48,001 INFO L231 Difference]: Finished difference. Result has 442 places, 436 transitions, 1065 flow [2024-11-16 23:42:48,001 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1061, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1065, PETRI_PLACES=442, PETRI_TRANSITIONS=436} [2024-11-16 23:42:48,002 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -82 predicate places. [2024-11-16 23:42:48,002 INFO L471 AbstractCegarLoop]: Abstraction has has 442 places, 436 transitions, 1065 flow [2024-11-16 23:42:48,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:48,003 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:48,003 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:48,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:42:48,003 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread4Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:48,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:48,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1058527245, now seen corresponding path program 1 times [2024-11-16 23:42:48,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:48,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071851149] [2024-11-16 23:42:48,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:48,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:48,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:48,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071851149] [2024-11-16 23:42:48,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071851149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:48,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:48,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:48,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377894535] [2024-11-16 23:42:48,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:48,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:48,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:48,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:48,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:48,121 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:42:48,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 436 transitions, 1065 flow. Second operand has 3 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:48,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:48,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:42:48,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:48,822 INFO L124 PetriNetUnfolderBase]: 235/3326 cut-off events. [2024-11-16 23:42:48,822 INFO L125 PetriNetUnfolderBase]: For 309/316 co-relation queries the response was YES. [2024-11-16 23:42:48,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4562 conditions, 3326 events. 235/3326 cut-off events. For 309/316 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 30198 event pairs, 129 based on Foata normal form. 1/3029 useless extension candidates. Maximal degree in co-relation 3684. Up to 435 conditions per place. [2024-11-16 23:42:48,862 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/438 dead transitions. [2024-11-16 23:42:48,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 438 transitions, 1148 flow [2024-11-16 23:42:48,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:48,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:48,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:42:48,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:42:48,865 INFO L175 Difference]: Start difference. First operand has 442 places, 436 transitions, 1065 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:42:48,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 438 transitions, 1148 flow [2024-11-16 23:42:48,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 438 transitions, 1144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:48,871 INFO L231 Difference]: Finished difference. Result has 441 places, 435 transitions, 1063 flow [2024-11-16 23:42:48,872 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1059, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1063, PETRI_PLACES=441, PETRI_TRANSITIONS=435} [2024-11-16 23:42:48,872 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -83 predicate places. [2024-11-16 23:42:48,872 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 435 transitions, 1063 flow [2024-11-16 23:42:48,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:48,873 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:48,873 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:48,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:42:48,874 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:48,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:48,874 INFO L85 PathProgramCache]: Analyzing trace with hash 512155818, now seen corresponding path program 1 times [2024-11-16 23:42:48,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:48,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673873140] [2024-11-16 23:42:48,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:48,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:48,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:48,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:48,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673873140] [2024-11-16 23:42:48,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673873140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:48,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:48,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:48,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315840848] [2024-11-16 23:42:48,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:48,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:48,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:48,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:48,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:48,966 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:42:48,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 435 transitions, 1063 flow. Second operand has 3 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:48,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:48,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:42:48,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:49,642 INFO L124 PetriNetUnfolderBase]: 365/4283 cut-off events. [2024-11-16 23:42:49,643 INFO L125 PetriNetUnfolderBase]: For 178/187 co-relation queries the response was YES. [2024-11-16 23:42:49,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6046 conditions, 4283 events. 365/4283 cut-off events. For 178/187 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 41927 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5119. Up to 528 conditions per place. [2024-11-16 23:42:49,736 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/437 dead transitions. [2024-11-16 23:42:49,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 437 transitions, 1148 flow [2024-11-16 23:42:49,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:49,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:42:49,738 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:42:49,738 INFO L175 Difference]: Start difference. First operand has 441 places, 435 transitions, 1063 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:42:49,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 437 transitions, 1148 flow [2024-11-16 23:42:49,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 437 transitions, 1144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:49,746 INFO L231 Difference]: Finished difference. Result has 440 places, 434 transitions, 1061 flow [2024-11-16 23:42:49,746 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1057, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1061, PETRI_PLACES=440, PETRI_TRANSITIONS=434} [2024-11-16 23:42:49,747 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -84 predicate places. [2024-11-16 23:42:49,747 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 434 transitions, 1061 flow [2024-11-16 23:42:49,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:49,748 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:49,748 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:49,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:42:49,748 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:49,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:49,748 INFO L85 PathProgramCache]: Analyzing trace with hash 928949534, now seen corresponding path program 1 times [2024-11-16 23:42:49,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:49,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126348908] [2024-11-16 23:42:49,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:49,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:49,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:49,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126348908] [2024-11-16 23:42:49,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126348908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:49,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:49,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:49,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704245894] [2024-11-16 23:42:49,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:49,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:49,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:49,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:49,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:49,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:42:49,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 434 transitions, 1061 flow. Second operand has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:49,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:49,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:42:49,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:50,618 INFO L124 PetriNetUnfolderBase]: 462/4321 cut-off events. [2024-11-16 23:42:50,618 INFO L125 PetriNetUnfolderBase]: For 471/474 co-relation queries the response was YES. [2024-11-16 23:42:50,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6324 conditions, 4321 events. 462/4321 cut-off events. For 471/474 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 42693 event pairs, 314 based on Foata normal form. 0/3966 useless extension candidates. Maximal degree in co-relation 6101. Up to 853 conditions per place. [2024-11-16 23:42:50,725 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/436 dead transitions. [2024-11-16 23:42:50,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 436 transitions, 1148 flow [2024-11-16 23:42:50,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:42:50,727 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:42:50,727 INFO L175 Difference]: Start difference. First operand has 440 places, 434 transitions, 1061 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:42:50,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 436 transitions, 1148 flow [2024-11-16 23:42:50,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 436 transitions, 1144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:50,734 INFO L231 Difference]: Finished difference. Result has 439 places, 433 transitions, 1059 flow [2024-11-16 23:42:50,735 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1055, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1059, PETRI_PLACES=439, PETRI_TRANSITIONS=433} [2024-11-16 23:42:50,735 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -85 predicate places. [2024-11-16 23:42:50,735 INFO L471 AbstractCegarLoop]: Abstraction has has 439 places, 433 transitions, 1059 flow [2024-11-16 23:42:50,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:50,736 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:50,736 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:50,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 23:42:50,736 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:50,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:50,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1930533804, now seen corresponding path program 1 times [2024-11-16 23:42:50,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:50,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700950668] [2024-11-16 23:42:50,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:50,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:50,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:50,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700950668] [2024-11-16 23:42:50,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700950668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:50,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:50,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:50,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928604495] [2024-11-16 23:42:50,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:50,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:50,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:50,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:50,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:50,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:42:50,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 433 transitions, 1059 flow. Second operand has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:50,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:50,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:42:50,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:52,174 INFO L124 PetriNetUnfolderBase]: 716/6041 cut-off events. [2024-11-16 23:42:52,174 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-16 23:42:52,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9036 conditions, 6041 events. 716/6041 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 63941 event pairs, 499 based on Foata normal form. 0/5569 useless extension candidates. Maximal degree in co-relation 8002. Up to 1234 conditions per place. [2024-11-16 23:42:52,358 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/435 dead transitions. [2024-11-16 23:42:52,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 435 transitions, 1142 flow [2024-11-16 23:42:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:52,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:42:52,361 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:42:52,361 INFO L175 Difference]: Start difference. First operand has 439 places, 433 transitions, 1059 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:42:52,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 435 transitions, 1142 flow [2024-11-16 23:42:52,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 435 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:52,370 INFO L231 Difference]: Finished difference. Result has 438 places, 432 transitions, 1057 flow [2024-11-16 23:42:52,371 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1057, PETRI_PLACES=438, PETRI_TRANSITIONS=432} [2024-11-16 23:42:52,372 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -86 predicate places. [2024-11-16 23:42:52,372 INFO L471 AbstractCegarLoop]: Abstraction has has 438 places, 432 transitions, 1057 flow [2024-11-16 23:42:52,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:52,372 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:52,373 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:52,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 23:42:52,373 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread4Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:52,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:52,373 INFO L85 PathProgramCache]: Analyzing trace with hash -2042885873, now seen corresponding path program 1 times [2024-11-16 23:42:52,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:52,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041184659] [2024-11-16 23:42:52,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:52,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:52,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:52,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041184659] [2024-11-16 23:42:52,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041184659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:52,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:52,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:52,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552121968] [2024-11-16 23:42:52,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:52,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:52,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:52,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:52,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:52,488 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:42:52,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 432 transitions, 1057 flow. Second operand has 3 states, 3 states have (on average 507.6666666666667) internal successors, (1523), 3 states have internal predecessors, (1523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:52,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:52,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:42:52,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:53,205 INFO L124 PetriNetUnfolderBase]: 235/3324 cut-off events. [2024-11-16 23:42:53,206 INFO L125 PetriNetUnfolderBase]: For 309/313 co-relation queries the response was YES. [2024-11-16 23:42:53,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4560 conditions, 3324 events. 235/3324 cut-off events. For 309/313 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 30077 event pairs, 129 based on Foata normal form. 0/3058 useless extension candidates. Maximal degree in co-relation 3826. Up to 435 conditions per place. [2024-11-16 23:42:53,282 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2024-11-16 23:42:53,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 434 transitions, 1140 flow [2024-11-16 23:42:53,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:53,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:42:53,285 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:42:53,285 INFO L175 Difference]: Start difference. First operand has 438 places, 432 transitions, 1057 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:42:53,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 434 transitions, 1140 flow [2024-11-16 23:42:53,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 434 transitions, 1136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:53,293 INFO L231 Difference]: Finished difference. Result has 437 places, 431 transitions, 1055 flow [2024-11-16 23:42:53,294 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1051, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1055, PETRI_PLACES=437, PETRI_TRANSITIONS=431} [2024-11-16 23:42:53,294 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -87 predicate places. [2024-11-16 23:42:53,294 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 431 transitions, 1055 flow [2024-11-16 23:42:53,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.6666666666667) internal successors, (1523), 3 states have internal predecessors, (1523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:53,295 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:53,295 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:53,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 23:42:53,296 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:53,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:53,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1250354186, now seen corresponding path program 1 times [2024-11-16 23:42:53,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:53,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575279370] [2024-11-16 23:42:53,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:53,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:53,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:53,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575279370] [2024-11-16 23:42:53,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575279370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:53,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:53,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:53,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251639426] [2024-11-16 23:42:53,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:53,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:53,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:53,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:53,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:53,406 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:42:53,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 431 transitions, 1055 flow. Second operand has 3 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:53,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:53,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:42:53,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:54,307 INFO L124 PetriNetUnfolderBase]: 365/4235 cut-off events. [2024-11-16 23:42:54,308 INFO L125 PetriNetUnfolderBase]: For 178/187 co-relation queries the response was YES. [2024-11-16 23:42:54,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5998 conditions, 4235 events. 365/4235 cut-off events. For 178/187 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 41301 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5203. Up to 528 conditions per place. [2024-11-16 23:42:54,406 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/433 dead transitions. [2024-11-16 23:42:54,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 433 transitions, 1140 flow [2024-11-16 23:42:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:54,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:54,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:42:54,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:42:54,408 INFO L175 Difference]: Start difference. First operand has 437 places, 431 transitions, 1055 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:42:54,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 433 transitions, 1140 flow [2024-11-16 23:42:54,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 433 transitions, 1136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:54,417 INFO L231 Difference]: Finished difference. Result has 436 places, 430 transitions, 1053 flow [2024-11-16 23:42:54,418 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1053, PETRI_PLACES=436, PETRI_TRANSITIONS=430} [2024-11-16 23:42:54,418 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -88 predicate places. [2024-11-16 23:42:54,418 INFO L471 AbstractCegarLoop]: Abstraction has has 436 places, 430 transitions, 1053 flow [2024-11-16 23:42:54,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:54,419 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:54,419 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:54,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 23:42:54,419 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:54,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:54,420 INFO L85 PathProgramCache]: Analyzing trace with hash -651458358, now seen corresponding path program 1 times [2024-11-16 23:42:54,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:54,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429406] [2024-11-16 23:42:54,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:54,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:54,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:54,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:54,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429406] [2024-11-16 23:42:54,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:54,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:54,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:54,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469037482] [2024-11-16 23:42:54,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:54,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:54,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:54,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:54,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:54,545 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:42:54,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 430 transitions, 1053 flow. Second operand has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:54,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:54,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:42:54,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:55,524 INFO L124 PetriNetUnfolderBase]: 462/4261 cut-off events. [2024-11-16 23:42:55,524 INFO L125 PetriNetUnfolderBase]: For 468/471 co-relation queries the response was YES. [2024-11-16 23:42:55,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6264 conditions, 4261 events. 462/4261 cut-off events. For 468/471 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 41841 event pairs, 314 based on Foata normal form. 0/3954 useless extension candidates. Maximal degree in co-relation 6077. Up to 853 conditions per place. [2024-11-16 23:42:55,631 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/432 dead transitions. [2024-11-16 23:42:55,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 432 transitions, 1140 flow [2024-11-16 23:42:55,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:55,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:42:55,634 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:42:55,634 INFO L175 Difference]: Start difference. First operand has 436 places, 430 transitions, 1053 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:42:55,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 432 transitions, 1140 flow [2024-11-16 23:42:55,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 432 transitions, 1136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:55,643 INFO L231 Difference]: Finished difference. Result has 435 places, 429 transitions, 1051 flow [2024-11-16 23:42:55,643 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1051, PETRI_PLACES=435, PETRI_TRANSITIONS=429} [2024-11-16 23:42:55,643 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -89 predicate places. [2024-11-16 23:42:55,643 INFO L471 AbstractCegarLoop]: Abstraction has has 435 places, 429 transitions, 1051 flow [2024-11-16 23:42:55,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:55,644 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:55,644 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:55,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 23:42:55,644 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:55,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:55,645 INFO L85 PathProgramCache]: Analyzing trace with hash 220806056, now seen corresponding path program 1 times [2024-11-16 23:42:55,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:55,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498494634] [2024-11-16 23:42:55,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:55,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:55,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:55,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498494634] [2024-11-16 23:42:55,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498494634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:55,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:55,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:55,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573828491] [2024-11-16 23:42:55,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:55,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:55,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:55,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:55,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:55,754 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:42:55,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 429 transitions, 1051 flow. Second operand has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:55,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:55,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:42:55,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:57,059 INFO L124 PetriNetUnfolderBase]: 728/6192 cut-off events. [2024-11-16 23:42:57,059 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-16 23:42:57,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9241 conditions, 6192 events. 728/6192 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 64951 event pairs, 499 based on Foata normal form. 0/5764 useless extension candidates. Maximal degree in co-relation 8369. Up to 1234 conditions per place. [2024-11-16 23:42:57,152 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/431 dead transitions. [2024-11-16 23:42:57,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 431 transitions, 1134 flow [2024-11-16 23:42:57,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:57,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:57,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:42:57,154 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:42:57,154 INFO L175 Difference]: Start difference. First operand has 435 places, 429 transitions, 1051 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:42:57,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 431 transitions, 1134 flow [2024-11-16 23:42:57,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 431 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:57,161 INFO L231 Difference]: Finished difference. Result has 434 places, 428 transitions, 1049 flow [2024-11-16 23:42:57,161 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1049, PETRI_PLACES=434, PETRI_TRANSITIONS=428} [2024-11-16 23:42:57,161 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -90 predicate places. [2024-11-16 23:42:57,161 INFO L471 AbstractCegarLoop]: Abstraction has has 434 places, 428 transitions, 1049 flow [2024-11-16 23:42:57,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:57,162 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:57,162 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:57,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 23:42:57,162 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread4Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:57,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:57,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1619579993, now seen corresponding path program 1 times [2024-11-16 23:42:57,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:57,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146533357] [2024-11-16 23:42:57,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:57,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:57,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:57,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:57,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146533357] [2024-11-16 23:42:57,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146533357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:57,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:57,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:57,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068583910] [2024-11-16 23:42:57,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:57,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:57,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:57,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:57,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:57,256 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:42:57,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 428 transitions, 1049 flow. Second operand has 3 states, 3 states have (on average 508.6666666666667) internal successors, (1526), 3 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:57,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:57,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:42:57,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:57,765 INFO L124 PetriNetUnfolderBase]: 235/3280 cut-off events. [2024-11-16 23:42:57,765 INFO L125 PetriNetUnfolderBase]: For 308/312 co-relation queries the response was YES. [2024-11-16 23:42:57,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4516 conditions, 3280 events. 235/3280 cut-off events. For 308/312 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 29583 event pairs, 129 based on Foata normal form. 0/3052 useless extension candidates. Maximal degree in co-relation 3926. Up to 435 conditions per place. [2024-11-16 23:42:57,834 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/430 dead transitions. [2024-11-16 23:42:57,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 430 transitions, 1132 flow [2024-11-16 23:42:57,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:57,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:42:57,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:42:57,837 INFO L175 Difference]: Start difference. First operand has 434 places, 428 transitions, 1049 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:42:57,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 430 transitions, 1132 flow [2024-11-16 23:42:57,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 430 transitions, 1128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:57,848 INFO L231 Difference]: Finished difference. Result has 433 places, 427 transitions, 1047 flow [2024-11-16 23:42:57,848 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1047, PETRI_PLACES=433, PETRI_TRANSITIONS=427} [2024-11-16 23:42:57,849 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -91 predicate places. [2024-11-16 23:42:57,849 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 427 transitions, 1047 flow [2024-11-16 23:42:57,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.6666666666667) internal successors, (1526), 3 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:57,849 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:57,849 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:57,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 23:42:57,849 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:57,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:57,850 INFO L85 PathProgramCache]: Analyzing trace with hash 2015078070, now seen corresponding path program 1 times [2024-11-16 23:42:57,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:57,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635347336] [2024-11-16 23:42:57,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:57,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:57,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:57,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:57,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635347336] [2024-11-16 23:42:57,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635347336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:57,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:57,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:57,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784737139] [2024-11-16 23:42:57,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:57,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:57,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:57,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:57,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:57,969 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:42:57,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 427 transitions, 1047 flow. Second operand has 3 states, 3 states have (on average 509.0) internal successors, (1527), 3 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:57,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:57,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:42:57,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:58,614 INFO L124 PetriNetUnfolderBase]: 365/4187 cut-off events. [2024-11-16 23:42:58,614 INFO L125 PetriNetUnfolderBase]: For 178/187 co-relation queries the response was YES. [2024-11-16 23:42:58,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5950 conditions, 4187 events. 365/4187 cut-off events. For 178/187 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 40651 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5287. Up to 528 conditions per place. [2024-11-16 23:42:58,710 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/429 dead transitions. [2024-11-16 23:42:58,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 429 transitions, 1132 flow [2024-11-16 23:42:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:42:58,712 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:42:58,712 INFO L175 Difference]: Start difference. First operand has 433 places, 427 transitions, 1047 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:42:58,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 429 transitions, 1132 flow [2024-11-16 23:42:58,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 429 transitions, 1128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:58,719 INFO L231 Difference]: Finished difference. Result has 432 places, 426 transitions, 1045 flow [2024-11-16 23:42:58,719 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=432, PETRI_TRANSITIONS=426} [2024-11-16 23:42:58,720 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -92 predicate places. [2024-11-16 23:42:58,720 INFO L471 AbstractCegarLoop]: Abstraction has has 432 places, 426 transitions, 1045 flow [2024-11-16 23:42:58,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.0) internal successors, (1527), 3 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:58,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:58,720 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:58,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 23:42:58,721 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:58,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:58,721 INFO L85 PathProgramCache]: Analyzing trace with hash 524091562, now seen corresponding path program 1 times [2024-11-16 23:42:58,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:58,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556950194] [2024-11-16 23:42:58,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:58,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:58,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:58,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:58,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556950194] [2024-11-16 23:42:58,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556950194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:58,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:58,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:58,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193445909] [2024-11-16 23:42:58,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:58,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:58,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:58,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:58,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:58,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:42:58,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 426 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:58,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:58,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:42:58,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:59,591 INFO L124 PetriNetUnfolderBase]: 462/4201 cut-off events. [2024-11-16 23:42:59,591 INFO L125 PetriNetUnfolderBase]: For 465/468 co-relation queries the response was YES. [2024-11-16 23:42:59,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6204 conditions, 4201 events. 462/4201 cut-off events. For 465/468 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 40911 event pairs, 314 based on Foata normal form. 0/3942 useless extension candidates. Maximal degree in co-relation 6053. Up to 853 conditions per place. [2024-11-16 23:42:59,687 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2024-11-16 23:42:59,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 428 transitions, 1132 flow [2024-11-16 23:42:59,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:59,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:42:59,689 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:42:59,689 INFO L175 Difference]: Start difference. First operand has 432 places, 426 transitions, 1045 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:42:59,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 428 transitions, 1132 flow [2024-11-16 23:42:59,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 428 transitions, 1128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:59,696 INFO L231 Difference]: Finished difference. Result has 431 places, 425 transitions, 1043 flow [2024-11-16 23:42:59,696 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1043, PETRI_PLACES=431, PETRI_TRANSITIONS=425} [2024-11-16 23:42:59,697 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -93 predicate places. [2024-11-16 23:42:59,697 INFO L471 AbstractCegarLoop]: Abstraction has has 431 places, 425 transitions, 1043 flow [2024-11-16 23:42:59,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:59,697 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:59,697 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:59,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 23:42:59,698 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:42:59,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:59,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1412878648, now seen corresponding path program 1 times [2024-11-16 23:42:59,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:59,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026332769] [2024-11-16 23:42:59,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:59,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:59,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:59,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026332769] [2024-11-16 23:42:59,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026332769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:59,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:59,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:59,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002849255] [2024-11-16 23:42:59,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:59,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:59,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:59,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:59,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:59,799 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:42:59,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 425 transitions, 1043 flow. Second operand has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:42:59,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:59,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:42:59,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:00,946 INFO L124 PetriNetUnfolderBase]: 740/6337 cut-off events. [2024-11-16 23:43:00,946 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-16 23:43:01,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9440 conditions, 6337 events. 740/6337 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 65978 event pairs, 499 based on Foata normal form. 0/5962 useless extension candidates. Maximal degree in co-relation 8730. Up to 1234 conditions per place. [2024-11-16 23:43:01,129 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/427 dead transitions. [2024-11-16 23:43:01,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 427 transitions, 1126 flow [2024-11-16 23:43:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:01,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:43:01,132 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:43:01,132 INFO L175 Difference]: Start difference. First operand has 431 places, 425 transitions, 1043 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:43:01,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 427 transitions, 1126 flow [2024-11-16 23:43:01,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 427 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:01,141 INFO L231 Difference]: Finished difference. Result has 430 places, 424 transitions, 1041 flow [2024-11-16 23:43:01,141 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1041, PETRI_PLACES=430, PETRI_TRANSITIONS=424} [2024-11-16 23:43:01,142 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -94 predicate places. [2024-11-16 23:43:01,142 INFO L471 AbstractCegarLoop]: Abstraction has has 430 places, 424 transitions, 1041 flow [2024-11-16 23:43:01,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:01,143 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:01,143 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:01,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 23:43:01,143 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread4Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:43:01,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:01,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1755179429, now seen corresponding path program 1 times [2024-11-16 23:43:01,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:01,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542848220] [2024-11-16 23:43:01,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:01,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:01,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:01,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542848220] [2024-11-16 23:43:01,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542848220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:01,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:01,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:01,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861238495] [2024-11-16 23:43:01,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:01,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:01,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:01,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:01,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:01,238 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:43:01,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 424 transitions, 1041 flow. Second operand has 3 states, 3 states have (on average 509.6666666666667) internal successors, (1529), 3 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:01,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:01,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:43:01,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:01,768 INFO L124 PetriNetUnfolderBase]: 235/3236 cut-off events. [2024-11-16 23:43:01,768 INFO L125 PetriNetUnfolderBase]: For 308/312 co-relation queries the response was YES. [2024-11-16 23:43:01,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4472 conditions, 3236 events. 235/3236 cut-off events. For 308/312 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 28987 event pairs, 129 based on Foata normal form. 0/3046 useless extension candidates. Maximal degree in co-relation 4026. Up to 435 conditions per place. [2024-11-16 23:43:01,811 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2024-11-16 23:43:01,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 426 transitions, 1124 flow [2024-11-16 23:43:01,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:43:01,813 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:43:01,813 INFO L175 Difference]: Start difference. First operand has 430 places, 424 transitions, 1041 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:43:01,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 426 transitions, 1124 flow [2024-11-16 23:43:01,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 426 transitions, 1120 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:01,819 INFO L231 Difference]: Finished difference. Result has 429 places, 423 transitions, 1039 flow [2024-11-16 23:43:01,820 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1039, PETRI_PLACES=429, PETRI_TRANSITIONS=423} [2024-11-16 23:43:01,820 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -95 predicate places. [2024-11-16 23:43:01,820 INFO L471 AbstractCegarLoop]: Abstraction has has 429 places, 423 transitions, 1039 flow [2024-11-16 23:43:01,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.6666666666667) internal successors, (1529), 3 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:01,821 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:01,821 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:01,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 23:43:01,821 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:43:01,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:01,821 INFO L85 PathProgramCache]: Analyzing trace with hash 2077237142, now seen corresponding path program 1 times [2024-11-16 23:43:01,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:01,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330570728] [2024-11-16 23:43:01,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:01,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:01,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:01,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330570728] [2024-11-16 23:43:01,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330570728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:01,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:01,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:01,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95254723] [2024-11-16 23:43:01,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:01,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:01,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:01,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:01,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:01,943 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:43:01,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 423 transitions, 1039 flow. Second operand has 3 states, 3 states have (on average 510.0) internal successors, (1530), 3 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:01,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:01,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:43:01,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:02,598 INFO L124 PetriNetUnfolderBase]: 365/4139 cut-off events. [2024-11-16 23:43:02,598 INFO L125 PetriNetUnfolderBase]: For 178/187 co-relation queries the response was YES. [2024-11-16 23:43:02,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5902 conditions, 4139 events. 365/4139 cut-off events. For 178/187 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 39942 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5371. Up to 528 conditions per place. [2024-11-16 23:43:02,684 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/425 dead transitions. [2024-11-16 23:43:02,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 425 transitions, 1124 flow [2024-11-16 23:43:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:02,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:02,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:43:02,687 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:43:02,687 INFO L175 Difference]: Start difference. First operand has 429 places, 423 transitions, 1039 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:43:02,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 425 transitions, 1124 flow [2024-11-16 23:43:02,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 425 transitions, 1120 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:02,693 INFO L231 Difference]: Finished difference. Result has 428 places, 422 transitions, 1037 flow [2024-11-16 23:43:02,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1037, PETRI_PLACES=428, PETRI_TRANSITIONS=422} [2024-11-16 23:43:02,694 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -96 predicate places. [2024-11-16 23:43:02,694 INFO L471 AbstractCegarLoop]: Abstraction has has 428 places, 422 transitions, 1037 flow [2024-11-16 23:43:02,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.0) internal successors, (1530), 3 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:02,695 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:02,695 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:02,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 23:43:02,695 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:43:02,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:02,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1641766614, now seen corresponding path program 1 times [2024-11-16 23:43:02,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:02,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074305983] [2024-11-16 23:43:02,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:02,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:02,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:02,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:02,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074305983] [2024-11-16 23:43:02,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074305983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:02,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:02,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:02,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940727467] [2024-11-16 23:43:02,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:02,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:02,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:02,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:02,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:02,809 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:43:02,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 422 transitions, 1037 flow. Second operand has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:02,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:02,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:43:02,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:03,528 INFO L124 PetriNetUnfolderBase]: 462/4141 cut-off events. [2024-11-16 23:43:03,528 INFO L125 PetriNetUnfolderBase]: For 462/465 co-relation queries the response was YES. [2024-11-16 23:43:03,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6144 conditions, 4141 events. 462/4141 cut-off events. For 462/465 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 40059 event pairs, 314 based on Foata normal form. 0/3930 useless extension candidates. Maximal degree in co-relation 6029. Up to 853 conditions per place. [2024-11-16 23:43:03,623 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/424 dead transitions. [2024-11-16 23:43:03,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 424 transitions, 1124 flow [2024-11-16 23:43:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:03,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:43:03,625 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:43:03,625 INFO L175 Difference]: Start difference. First operand has 428 places, 422 transitions, 1037 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:43:03,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 424 transitions, 1124 flow [2024-11-16 23:43:03,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 424 transitions, 1120 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:03,632 INFO L231 Difference]: Finished difference. Result has 427 places, 421 transitions, 1035 flow [2024-11-16 23:43:03,632 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1031, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1035, PETRI_PLACES=427, PETRI_TRANSITIONS=421} [2024-11-16 23:43:03,632 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -97 predicate places. [2024-11-16 23:43:03,633 INFO L471 AbstractCegarLoop]: Abstraction has has 427 places, 421 transitions, 1035 flow [2024-11-16 23:43:03,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:03,633 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:03,633 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:03,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 23:43:03,633 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:43:03,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:03,634 INFO L85 PathProgramCache]: Analyzing trace with hash 900167604, now seen corresponding path program 1 times [2024-11-16 23:43:03,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:03,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737168416] [2024-11-16 23:43:03,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:03,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:03,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:03,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:03,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737168416] [2024-11-16 23:43:03,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737168416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:03,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:03,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:03,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000197853] [2024-11-16 23:43:03,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:03,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:03,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:03,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:03,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:03,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:43:03,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 421 transitions, 1035 flow. Second operand has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:03,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:03,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:43:03,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:04,892 INFO L124 PetriNetUnfolderBase]: 752/6476 cut-off events. [2024-11-16 23:43:04,892 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-16 23:43:05,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9633 conditions, 6476 events. 752/6476 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 66691 event pairs, 499 based on Foata normal form. 0/6160 useless extension candidates. Maximal degree in co-relation 9085. Up to 1234 conditions per place. [2024-11-16 23:43:05,074 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/423 dead transitions. [2024-11-16 23:43:05,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 423 transitions, 1118 flow [2024-11-16 23:43:05,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:05,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:43:05,076 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:43:05,076 INFO L175 Difference]: Start difference. First operand has 427 places, 421 transitions, 1035 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:43:05,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 423 transitions, 1118 flow [2024-11-16 23:43:05,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 423 transitions, 1114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:05,083 INFO L231 Difference]: Finished difference. Result has 426 places, 420 transitions, 1033 flow [2024-11-16 23:43:05,083 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1029, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1033, PETRI_PLACES=426, PETRI_TRANSITIONS=420} [2024-11-16 23:43:05,084 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -98 predicate places. [2024-11-16 23:43:05,084 INFO L471 AbstractCegarLoop]: Abstraction has has 426 places, 420 transitions, 1033 flow [2024-11-16 23:43:05,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:05,084 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:05,084 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:05,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-16 23:43:05,085 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread4Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:43:05,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:05,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1042084005, now seen corresponding path program 1 times [2024-11-16 23:43:05,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:05,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252453533] [2024-11-16 23:43:05,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:05,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:05,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:05,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:05,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252453533] [2024-11-16 23:43:05,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252453533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:05,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:05,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:05,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105775330] [2024-11-16 23:43:05,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:05,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:05,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:05,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:05,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:05,175 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:43:05,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 420 transitions, 1033 flow. Second operand has 3 states, 3 states have (on average 510.6666666666667) internal successors, (1532), 3 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:05,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:05,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:43:05,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:05,657 INFO L124 PetriNetUnfolderBase]: 235/3192 cut-off events. [2024-11-16 23:43:05,657 INFO L125 PetriNetUnfolderBase]: For 308/312 co-relation queries the response was YES. [2024-11-16 23:43:05,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4428 conditions, 3192 events. 235/3192 cut-off events. For 308/312 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 28506 event pairs, 129 based on Foata normal form. 0/3040 useless extension candidates. Maximal degree in co-relation 4126. Up to 435 conditions per place. [2024-11-16 23:43:05,722 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/422 dead transitions. [2024-11-16 23:43:05,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 422 transitions, 1116 flow [2024-11-16 23:43:05,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:43:05,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:43:05,725 INFO L175 Difference]: Start difference. First operand has 426 places, 420 transitions, 1033 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:43:05,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 422 transitions, 1116 flow [2024-11-16 23:43:05,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 422 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:05,732 INFO L231 Difference]: Finished difference. Result has 425 places, 419 transitions, 1031 flow [2024-11-16 23:43:05,732 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1027, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1031, PETRI_PLACES=425, PETRI_TRANSITIONS=419} [2024-11-16 23:43:05,732 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -99 predicate places. [2024-11-16 23:43:05,732 INFO L471 AbstractCegarLoop]: Abstraction has has 425 places, 419 transitions, 1031 flow [2024-11-16 23:43:05,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.6666666666667) internal successors, (1532), 3 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:05,733 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:05,733 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:05,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-16 23:43:05,734 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:43:05,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:05,734 INFO L85 PathProgramCache]: Analyzing trace with hash -241394494, now seen corresponding path program 1 times [2024-11-16 23:43:05,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:05,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402080242] [2024-11-16 23:43:05,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:05,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:05,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:05,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:05,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402080242] [2024-11-16 23:43:05,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402080242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:05,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:05,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:05,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307142732] [2024-11-16 23:43:05,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:05,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:05,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:05,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:05,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:05,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:43:05,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 419 transitions, 1031 flow. Second operand has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:05,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:05,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:43:05,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:06,482 INFO L124 PetriNetUnfolderBase]: 365/4091 cut-off events. [2024-11-16 23:43:06,482 INFO L125 PetriNetUnfolderBase]: For 178/187 co-relation queries the response was YES. [2024-11-16 23:43:06,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5854 conditions, 4091 events. 365/4091 cut-off events. For 178/187 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 39250 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5455. Up to 528 conditions per place. [2024-11-16 23:43:06,535 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/421 dead transitions. [2024-11-16 23:43:06,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 421 transitions, 1116 flow [2024-11-16 23:43:06,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:06,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:06,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:43:06,536 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:43:06,536 INFO L175 Difference]: Start difference. First operand has 425 places, 419 transitions, 1031 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:43:06,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 421 transitions, 1116 flow [2024-11-16 23:43:06,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 421 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:06,542 INFO L231 Difference]: Finished difference. Result has 424 places, 418 transitions, 1029 flow [2024-11-16 23:43:06,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1025, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1029, PETRI_PLACES=424, PETRI_TRANSITIONS=418} [2024-11-16 23:43:06,543 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -100 predicate places. [2024-11-16 23:43:06,543 INFO L471 AbstractCegarLoop]: Abstraction has has 424 places, 418 transitions, 1029 flow [2024-11-16 23:43:06,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:06,543 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:06,543 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:06,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-16 23:43:06,543 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:43:06,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:06,544 INFO L85 PathProgramCache]: Analyzing trace with hash -2032325578, now seen corresponding path program 1 times [2024-11-16 23:43:06,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:06,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710552065] [2024-11-16 23:43:06,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:06,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:06,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:06,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710552065] [2024-11-16 23:43:06,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710552065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:06,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:06,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:06,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966397154] [2024-11-16 23:43:06,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:06,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:06,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:06,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:06,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:06,658 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:43:06,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 418 transitions, 1029 flow. Second operand has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:06,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:06,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:43:06,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:07,381 INFO L124 PetriNetUnfolderBase]: 462/4081 cut-off events. [2024-11-16 23:43:07,381 INFO L125 PetriNetUnfolderBase]: For 459/462 co-relation queries the response was YES. [2024-11-16 23:43:07,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6084 conditions, 4081 events. 462/4081 cut-off events. For 459/462 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 39266 event pairs, 314 based on Foata normal form. 0/3918 useless extension candidates. Maximal degree in co-relation 6005. Up to 853 conditions per place. [2024-11-16 23:43:07,481 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/420 dead transitions. [2024-11-16 23:43:07,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 420 transitions, 1116 flow [2024-11-16 23:43:07,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:07,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:07,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:43:07,483 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:43:07,483 INFO L175 Difference]: Start difference. First operand has 424 places, 418 transitions, 1029 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:43:07,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 420 transitions, 1116 flow [2024-11-16 23:43:07,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 420 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:07,492 INFO L231 Difference]: Finished difference. Result has 423 places, 417 transitions, 1027 flow [2024-11-16 23:43:07,492 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1027, PETRI_PLACES=423, PETRI_TRANSITIONS=417} [2024-11-16 23:43:07,493 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -101 predicate places. [2024-11-16 23:43:07,493 INFO L471 AbstractCegarLoop]: Abstraction has has 423 places, 417 transitions, 1027 flow [2024-11-16 23:43:07,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:07,493 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:07,493 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:07,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-16 23:43:07,494 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:43:07,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:07,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1188779716, now seen corresponding path program 1 times [2024-11-16 23:43:07,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:07,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761687621] [2024-11-16 23:43:07,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:07,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:07,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:07,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761687621] [2024-11-16 23:43:07,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761687621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:07,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:07,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:07,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767191208] [2024-11-16 23:43:07,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:07,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:07,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:07,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:07,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:07,623 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:43:07,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 417 transitions, 1027 flow. Second operand has 3 states, 3 states have (on average 512.3333333333334) internal successors, (1537), 3 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:07,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:07,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:43:07,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:08,856 INFO L124 PetriNetUnfolderBase]: 764/6609 cut-off events. [2024-11-16 23:43:08,857 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-16 23:43:09,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9820 conditions, 6609 events. 764/6609 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 67423 event pairs, 499 based on Foata normal form. 0/6362 useless extension candidates. Maximal degree in co-relation 9434. Up to 1234 conditions per place. [2024-11-16 23:43:09,047 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/419 dead transitions. [2024-11-16 23:43:09,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 419 transitions, 1110 flow [2024-11-16 23:43:09,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:43:09,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:43:09,049 INFO L175 Difference]: Start difference. First operand has 423 places, 417 transitions, 1027 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:43:09,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 419 transitions, 1110 flow [2024-11-16 23:43:09,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 419 transitions, 1106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:09,058 INFO L231 Difference]: Finished difference. Result has 422 places, 416 transitions, 1025 flow [2024-11-16 23:43:09,058 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1021, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1025, PETRI_PLACES=422, PETRI_TRANSITIONS=416} [2024-11-16 23:43:09,059 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -102 predicate places. [2024-11-16 23:43:09,059 INFO L471 AbstractCegarLoop]: Abstraction has has 422 places, 416 transitions, 1025 flow [2024-11-16 23:43:09,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 512.3333333333334) internal successors, (1537), 3 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:09,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:09,059 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:09,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-16 23:43:09,059 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread4Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:43:09,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:09,060 INFO L85 PathProgramCache]: Analyzing trace with hash 300483495, now seen corresponding path program 1 times [2024-11-16 23:43:09,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:09,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935905797] [2024-11-16 23:43:09,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:09,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:09,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:09,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935905797] [2024-11-16 23:43:09,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935905797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:09,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:09,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:09,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577353546] [2024-11-16 23:43:09,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:09,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:09,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:09,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:09,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:09,155 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:43:09,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 416 transitions, 1025 flow. Second operand has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:09,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:09,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:43:09,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:09,626 INFO L124 PetriNetUnfolderBase]: 235/3148 cut-off events. [2024-11-16 23:43:09,626 INFO L125 PetriNetUnfolderBase]: For 308/312 co-relation queries the response was YES. [2024-11-16 23:43:09,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4384 conditions, 3148 events. 235/3148 cut-off events. For 308/312 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 27965 event pairs, 129 based on Foata normal form. 0/3034 useless extension candidates. Maximal degree in co-relation 4226. Up to 435 conditions per place. [2024-11-16 23:43:09,683 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/418 dead transitions. [2024-11-16 23:43:09,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 418 transitions, 1108 flow [2024-11-16 23:43:09,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:09,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:43:09,685 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:43:09,685 INFO L175 Difference]: Start difference. First operand has 422 places, 416 transitions, 1025 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:43:09,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 418 transitions, 1108 flow [2024-11-16 23:43:09,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 418 transitions, 1104 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:09,690 INFO L231 Difference]: Finished difference. Result has 421 places, 415 transitions, 1023 flow [2024-11-16 23:43:09,691 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1019, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1023, PETRI_PLACES=421, PETRI_TRANSITIONS=415} [2024-11-16 23:43:09,691 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -103 predicate places. [2024-11-16 23:43:09,691 INFO L471 AbstractCegarLoop]: Abstraction has has 421 places, 415 transitions, 1023 flow [2024-11-16 23:43:09,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:09,691 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:09,692 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:09,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-16 23:43:09,692 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:43:09,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:09,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1070818530, now seen corresponding path program 1 times [2024-11-16 23:43:09,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:09,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968865271] [2024-11-16 23:43:09,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:09,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:09,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:09,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:09,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968865271] [2024-11-16 23:43:09,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968865271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:09,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:09,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:09,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833864938] [2024-11-16 23:43:09,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:09,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:09,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:09,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:09,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:09,796 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-16 23:43:09,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 415 transitions, 1023 flow. Second operand has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:09,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:09,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-16 23:43:09,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:10,426 INFO L124 PetriNetUnfolderBase]: 462/4024 cut-off events. [2024-11-16 23:43:10,426 INFO L125 PetriNetUnfolderBase]: For 462/465 co-relation queries the response was YES. [2024-11-16 23:43:10,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6039 conditions, 4024 events. 462/4024 cut-off events. For 462/465 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 38553 event pairs, 314 based on Foata normal form. 0/3906 useless extension candidates. Maximal degree in co-relation 5808. Up to 853 conditions per place. [2024-11-16 23:43:10,519 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/417 dead transitions. [2024-11-16 23:43:10,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 417 transitions, 1110 flow [2024-11-16 23:43:10,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:10,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:10,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-16 23:43:10,520 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-16 23:43:10,520 INFO L175 Difference]: Start difference. First operand has 421 places, 415 transitions, 1023 flow. Second operand 3 states and 1545 transitions. [2024-11-16 23:43:10,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 417 transitions, 1110 flow [2024-11-16 23:43:10,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 417 transitions, 1106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:10,526 INFO L231 Difference]: Finished difference. Result has 420 places, 414 transitions, 1021 flow [2024-11-16 23:43:10,527 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1017, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1021, PETRI_PLACES=420, PETRI_TRANSITIONS=414} [2024-11-16 23:43:10,527 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -104 predicate places. [2024-11-16 23:43:10,527 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 414 transitions, 1021 flow [2024-11-16 23:43:10,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:10,528 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:10,528 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:10,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-16 23:43:10,528 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-16 23:43:10,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:10,528 INFO L85 PathProgramCache]: Analyzing trace with hash -2125714191, now seen corresponding path program 1 times [2024-11-16 23:43:10,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:10,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922832830] [2024-11-16 23:43:10,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:10,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:10,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:10,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922832830] [2024-11-16 23:43:10,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922832830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:10,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:10,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:10,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839287070] [2024-11-16 23:43:10,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:10,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:10,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:10,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:10,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:10,624 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-16 23:43:10,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 414 transitions, 1021 flow. Second operand has 3 states, 3 states have (on average 512.6666666666666) internal successors, (1538), 3 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:10,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:10,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-16 23:43:10,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:11,143 INFO L124 PetriNetUnfolderBase]: 235/3119 cut-off events. [2024-11-16 23:43:11,143 INFO L125 PetriNetUnfolderBase]: For 307/311 co-relation queries the response was YES. [2024-11-16 23:43:11,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4353 conditions, 3119 events. 235/3119 cut-off events. For 307/311 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 27661 event pairs, 129 based on Foata normal form. 0/3028 useless extension candidates. Maximal degree in co-relation 4214. Up to 435 conditions per place. [2024-11-16 23:43:11,174 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 0 selfloop transitions, 0 changer transitions 416/416 dead transitions. [2024-11-16 23:43:11,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 416 transitions, 1104 flow [2024-11-16 23:43:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:11,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:11,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-16 23:43:11,176 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-16 23:43:11,176 INFO L175 Difference]: Start difference. First operand has 420 places, 414 transitions, 1021 flow. Second operand 3 states and 1547 transitions. [2024-11-16 23:43:11,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 416 transitions, 1104 flow [2024-11-16 23:43:11,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 416 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:11,180 INFO L231 Difference]: Finished difference. Result has 419 places, 0 transitions, 0 flow [2024-11-16 23:43:11,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1015, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=419, PETRI_TRANSITIONS=0} [2024-11-16 23:43:11,180 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -105 predicate places. [2024-11-16 23:43:11,180 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 0 transitions, 0 flow [2024-11-16 23:43:11,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 512.6666666666666) internal successors, (1538), 3 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:11,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (202 of 203 remaining) [2024-11-16 23:43:11,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (201 of 203 remaining) [2024-11-16 23:43:11,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (200 of 203 remaining) [2024-11-16 23:43:11,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (199 of 203 remaining) [2024-11-16 23:43:11,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (198 of 203 remaining) [2024-11-16 23:43:11,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (197 of 203 remaining) [2024-11-16 23:43:11,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (196 of 203 remaining) [2024-11-16 23:43:11,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (195 of 203 remaining) [2024-11-16 23:43:11,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (194 of 203 remaining) [2024-11-16 23:43:11,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (193 of 203 remaining) [2024-11-16 23:43:11,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (192 of 203 remaining) [2024-11-16 23:43:11,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (191 of 203 remaining) [2024-11-16 23:43:11,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (190 of 203 remaining) [2024-11-16 23:43:11,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (189 of 203 remaining) [2024-11-16 23:43:11,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (188 of 203 remaining) [2024-11-16 23:43:11,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (187 of 203 remaining) [2024-11-16 23:43:11,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (186 of 203 remaining) [2024-11-16 23:43:11,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (185 of 203 remaining) [2024-11-16 23:43:11,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (184 of 203 remaining) [2024-11-16 23:43:11,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (183 of 203 remaining) [2024-11-16 23:43:11,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (182 of 203 remaining) [2024-11-16 23:43:11,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (181 of 203 remaining) [2024-11-16 23:43:11,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (180 of 203 remaining) [2024-11-16 23:43:11,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (179 of 203 remaining) [2024-11-16 23:43:11,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (178 of 203 remaining) [2024-11-16 23:43:11,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (177 of 203 remaining) [2024-11-16 23:43:11,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (176 of 203 remaining) [2024-11-16 23:43:11,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (175 of 203 remaining) [2024-11-16 23:43:11,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (174 of 203 remaining) [2024-11-16 23:43:11,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (173 of 203 remaining) [2024-11-16 23:43:11,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (172 of 203 remaining) [2024-11-16 23:43:11,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (171 of 203 remaining) [2024-11-16 23:43:11,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (170 of 203 remaining) [2024-11-16 23:43:11,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (169 of 203 remaining) [2024-11-16 23:43:11,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (168 of 203 remaining) [2024-11-16 23:43:11,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (167 of 203 remaining) [2024-11-16 23:43:11,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (166 of 203 remaining) [2024-11-16 23:43:11,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (165 of 203 remaining) [2024-11-16 23:43:11,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (164 of 203 remaining) [2024-11-16 23:43:11,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (163 of 203 remaining) [2024-11-16 23:43:11,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (162 of 203 remaining) [2024-11-16 23:43:11,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (161 of 203 remaining) [2024-11-16 23:43:11,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (160 of 203 remaining) [2024-11-16 23:43:11,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (159 of 203 remaining) [2024-11-16 23:43:11,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (158 of 203 remaining) [2024-11-16 23:43:11,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (157 of 203 remaining) [2024-11-16 23:43:11,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (156 of 203 remaining) [2024-11-16 23:43:11,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (155 of 203 remaining) [2024-11-16 23:43:11,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (154 of 203 remaining) [2024-11-16 23:43:11,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (153 of 203 remaining) [2024-11-16 23:43:11,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (152 of 203 remaining) [2024-11-16 23:43:11,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (151 of 203 remaining) [2024-11-16 23:43:11,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (150 of 203 remaining) [2024-11-16 23:43:11,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (149 of 203 remaining) [2024-11-16 23:43:11,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (148 of 203 remaining) [2024-11-16 23:43:11,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (147 of 203 remaining) [2024-11-16 23:43:11,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (146 of 203 remaining) [2024-11-16 23:43:11,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (145 of 203 remaining) [2024-11-16 23:43:11,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (144 of 203 remaining) [2024-11-16 23:43:11,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (143 of 203 remaining) [2024-11-16 23:43:11,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (142 of 203 remaining) [2024-11-16 23:43:11,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (141 of 203 remaining) [2024-11-16 23:43:11,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (140 of 203 remaining) [2024-11-16 23:43:11,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (139 of 203 remaining) [2024-11-16 23:43:11,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (138 of 203 remaining) [2024-11-16 23:43:11,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (137 of 203 remaining) [2024-11-16 23:43:11,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (136 of 203 remaining) [2024-11-16 23:43:11,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (135 of 203 remaining) [2024-11-16 23:43:11,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (134 of 203 remaining) [2024-11-16 23:43:11,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (133 of 203 remaining) [2024-11-16 23:43:11,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (132 of 203 remaining) [2024-11-16 23:43:11,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (131 of 203 remaining) [2024-11-16 23:43:11,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (130 of 203 remaining) [2024-11-16 23:43:11,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (129 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (128 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (127 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (126 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (125 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (124 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (123 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (122 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (121 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (120 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (119 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (118 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (117 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (116 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (115 of 203 remaining) [2024-11-16 23:43:11,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (114 of 203 remaining) [2024-11-16 23:43:11,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (113 of 203 remaining) [2024-11-16 23:43:11,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (112 of 203 remaining) [2024-11-16 23:43:11,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (111 of 203 remaining) [2024-11-16 23:43:11,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (110 of 203 remaining) [2024-11-16 23:43:11,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (109 of 203 remaining) [2024-11-16 23:43:11,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (108 of 203 remaining) [2024-11-16 23:43:11,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (107 of 203 remaining) [2024-11-16 23:43:11,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (106 of 203 remaining) [2024-11-16 23:43:11,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (105 of 203 remaining) [2024-11-16 23:43:11,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (104 of 203 remaining) [2024-11-16 23:43:11,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (103 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (102 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (101 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (100 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (99 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (98 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (97 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (96 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (95 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (94 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (93 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (92 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (91 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (90 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (89 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (88 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (87 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (86 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (85 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (84 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (83 of 203 remaining) [2024-11-16 23:43:11,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (82 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (81 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (80 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (79 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (78 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (77 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (75 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (74 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (73 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (72 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (70 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (69 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (68 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (67 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (66 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (65 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (64 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (63 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (62 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (61 of 203 remaining) [2024-11-16 23:43:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (60 of 203 remaining) [2024-11-16 23:43:11,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (59 of 203 remaining) [2024-11-16 23:43:11,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (58 of 203 remaining) [2024-11-16 23:43:11,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (57 of 203 remaining) [2024-11-16 23:43:11,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (56 of 203 remaining) [2024-11-16 23:43:11,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (55 of 203 remaining) [2024-11-16 23:43:11,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (54 of 203 remaining) [2024-11-16 23:43:11,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 203 remaining) [2024-11-16 23:43:11,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (52 of 203 remaining) [2024-11-16 23:43:11,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (51 of 203 remaining) [2024-11-16 23:43:11,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (50 of 203 remaining) [2024-11-16 23:43:11,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 203 remaining) [2024-11-16 23:43:11,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 203 remaining) [2024-11-16 23:43:11,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 203 remaining) [2024-11-16 23:43:11,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 203 remaining) [2024-11-16 23:43:11,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (45 of 203 remaining) [2024-11-16 23:43:11,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (44 of 203 remaining) [2024-11-16 23:43:11,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (43 of 203 remaining) [2024-11-16 23:43:11,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (42 of 203 remaining) [2024-11-16 23:43:11,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (41 of 203 remaining) [2024-11-16 23:43:11,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (40 of 203 remaining) [2024-11-16 23:43:11,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (39 of 203 remaining) [2024-11-16 23:43:11,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (38 of 203 remaining) [2024-11-16 23:43:11,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (37 of 203 remaining) [2024-11-16 23:43:11,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (36 of 203 remaining) [2024-11-16 23:43:11,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (35 of 203 remaining) [2024-11-16 23:43:11,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (34 of 203 remaining) [2024-11-16 23:43:11,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (33 of 203 remaining) [2024-11-16 23:43:11,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (32 of 203 remaining) [2024-11-16 23:43:11,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (31 of 203 remaining) [2024-11-16 23:43:11,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (30 of 203 remaining) [2024-11-16 23:43:11,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (29 of 203 remaining) [2024-11-16 23:43:11,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (28 of 203 remaining) [2024-11-16 23:43:11,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (27 of 203 remaining) [2024-11-16 23:43:11,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (26 of 203 remaining) [2024-11-16 23:43:11,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 203 remaining) [2024-11-16 23:43:11,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (24 of 203 remaining) [2024-11-16 23:43:11,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (23 of 203 remaining) [2024-11-16 23:43:11,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (22 of 203 remaining) [2024-11-16 23:43:11,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (21 of 203 remaining) [2024-11-16 23:43:11,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (20 of 203 remaining) [2024-11-16 23:43:11,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (19 of 203 remaining) [2024-11-16 23:43:11,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (18 of 203 remaining) [2024-11-16 23:43:11,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (17 of 203 remaining) [2024-11-16 23:43:11,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (16 of 203 remaining) [2024-11-16 23:43:11,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (15 of 203 remaining) [2024-11-16 23:43:11,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (14 of 203 remaining) [2024-11-16 23:43:11,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (13 of 203 remaining) [2024-11-16 23:43:11,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (12 of 203 remaining) [2024-11-16 23:43:11,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (11 of 203 remaining) [2024-11-16 23:43:11,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (10 of 203 remaining) [2024-11-16 23:43:11,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (9 of 203 remaining) [2024-11-16 23:43:11,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (8 of 203 remaining) [2024-11-16 23:43:11,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (7 of 203 remaining) [2024-11-16 23:43:11,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (6 of 203 remaining) [2024-11-16 23:43:11,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (5 of 203 remaining) [2024-11-16 23:43:11,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (4 of 203 remaining) [2024-11-16 23:43:11,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (3 of 203 remaining) [2024-11-16 23:43:11,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 203 remaining) [2024-11-16 23:43:11,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (1 of 203 remaining) [2024-11-16 23:43:11,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (0 of 203 remaining) [2024-11-16 23:43:11,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-16 23:43:11,199 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:11,205 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:43:11,205 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:43:11,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:43:11 BasicIcfg [2024-11-16 23:43:11,210 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:43:11,210 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:43:11,210 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:43:11,210 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:43:11,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:34" (3/4) ... [2024-11-16 23:43:11,214 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:43:11,217 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:43:11,217 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:43:11,218 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-16 23:43:11,218 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-16 23:43:11,223 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-16 23:43:11,223 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:43:11,224 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-16 23:43:11,224 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:43:11,307 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:43:11,308 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:43:11,308 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:43:11,308 INFO L158 Benchmark]: Toolchain (without parser) took 38054.44ms. Allocated memory was 186.6MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 117.2MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 375.8MB. Max. memory is 16.1GB. [2024-11-16 23:43:11,308 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:43:11,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.65ms. Allocated memory is still 186.6MB. Free memory was 116.9MB in the beginning and 102.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 23:43:11,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.00ms. Allocated memory is still 186.6MB. Free memory was 102.1MB in the beginning and 100.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:43:11,309 INFO L158 Benchmark]: Boogie Preprocessor took 30.55ms. Allocated memory is still 186.6MB. Free memory was 100.3MB in the beginning and 98.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:43:11,309 INFO L158 Benchmark]: IcfgBuilder took 719.14ms. Allocated memory is still 186.6MB. Free memory was 98.6MB in the beginning and 131.5MB in the end (delta: -32.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 23:43:11,309 INFO L158 Benchmark]: TraceAbstraction took 36922.43ms. Allocated memory was 186.6MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 131.0MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2024-11-16 23:43:11,309 INFO L158 Benchmark]: Witness Printer took 97.48ms. Allocated memory is still 3.9GB. Free memory was 3.5GB in the beginning and 3.5GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:43:11,313 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.65ms. Allocated memory is still 186.6MB. Free memory was 116.9MB in the beginning and 102.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.00ms. Allocated memory is still 186.6MB. Free memory was 102.1MB in the beginning and 100.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.55ms. Allocated memory is still 186.6MB. Free memory was 100.3MB in the beginning and 98.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 719.14ms. Allocated memory is still 186.6MB. Free memory was 98.6MB in the beginning and 131.5MB in the end (delta: -32.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 36922.43ms. Allocated memory was 186.6MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 131.0MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. * Witness Printer took 97.48ms. Allocated memory is still 3.9GB. Free memory was 3.5GB in the beginning and 3.5GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 918 locations, 203 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 36.7s, OverallIterations: 39, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5794 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1900 mSDsluCounter, 984 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 283 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5459 IncrementalHoareTripleChecker+Invalid, 5742 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 283 mSolverCounterUnsat, 976 mSDtfsCounter, 5459 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1073occurred in iteration=12, InterpolantAutomatonStates: 119, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 4063 NumberOfCodeBlocks, 4063 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 4024 ConstructedInterpolants, 0 QuantifiedInterpolants, 4102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 39 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 107 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:43:11,353 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