./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 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/chl-chromosome-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:43:00,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:43:00,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:43:00,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:43:00,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:43:00,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:43:00,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:43:00,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:43:00,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:43:00,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:43:00,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:43:00,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:43:00,362 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:43:00,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:43:00,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:43:00,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:43:00,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:43:00,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:43:00,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:43:00,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:43:00,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:43:00,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:43:00,369 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:43:00,369 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:43:00,369 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:43:00,370 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:43:00,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:43:00,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:43:00,370 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:43:00,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:43:00,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:43:00,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:00,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:43:00,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:43:00,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:43:00,375 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:43:00,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:43:00,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:43:00,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:43:00,376 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:43:00,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:43:00,376 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 [2024-11-16 23:43:00,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:43:00,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:43:00,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:43:00,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:43:00,679 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:43:00,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-11-16 23:43:02,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:43:02,261 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:43:02,261 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-11-16 23:43:02,271 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/628e2e30d/0c80b181c28a4642b0e6bcdf1cfac5d5/FLAGe0f7186dc [2024-11-16 23:43:02,283 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/628e2e30d/0c80b181c28a4642b0e6bcdf1cfac5d5 [2024-11-16 23:43:02,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:43:02,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:43:02,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:02,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:43:02,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:43:02,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51db5745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02, skipping insertion in model container [2024-11-16 23:43:02,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:43:02,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:02,546 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:43:02,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:02,600 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:43:02,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02 WrapperNode [2024-11-16 23:43:02,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:02,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:02,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:43:02,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:43:02,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,661 INFO L138 Inliner]: procedures = 25, calls = 32, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 436 [2024-11-16 23:43:02,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:02,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:43:02,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:43:02,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:43:02,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,704 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:43:02,723 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:43:02,723 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:43:02,723 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:43:02,729 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02" (1/1) ... [2024-11-16 23:43:02,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:02,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:43:02,769 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 23:43:02,773 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 23:43:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:43:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:43:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:43:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:43:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:43:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:43:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:43:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:43:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:43:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:43:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:43:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:43:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:43:02,828 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 23:43:03,020 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:43:03,023 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:43:03,642 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:43:03,643 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:43:03,678 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:43:03,679 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:43:03,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:03 BoogieIcfgContainer [2024-11-16 23:43:03,679 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:43:03,681 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:43:03,681 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:43:03,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:43:03,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:43:02" (1/3) ... [2024-11-16 23:43:03,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6087acc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:03, skipping insertion in model container [2024-11-16 23:43:03,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:02" (2/3) ... [2024-11-16 23:43:03,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6087acc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:03, skipping insertion in model container [2024-11-16 23:43:03,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:03" (3/3) ... [2024-11-16 23:43:03,687 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2024-11-16 23:43:03,703 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:43:03,704 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2024-11-16 23:43:03,704 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:43:03,886 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-16 23:43:03,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 563 places, 586 transitions, 1193 flow [2024-11-16 23:43:04,238 INFO L124 PetriNetUnfolderBase]: 33/583 cut-off events. [2024-11-16 23:43:04,238 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:43:04,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 583 events. 33/583 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1292 event pairs, 0 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 441. Up to 2 conditions per place. [2024-11-16 23:43:04,256 INFO L82 GeneralOperation]: Start removeDead. Operand has 563 places, 586 transitions, 1193 flow [2024-11-16 23:43:04,268 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 541 places, 562 transitions, 1142 flow [2024-11-16 23:43:04,281 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:43:04,289 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;@1aeff9ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:43:04,289 INFO L334 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2024-11-16 23:43:04,301 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:43:04,301 INFO L124 PetriNetUnfolderBase]: 3/65 cut-off events. [2024-11-16 23:43:04,301 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:43:04,301 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:04,302 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 23:43:04,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:04,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:04,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1900418626, now seen corresponding path program 1 times [2024-11-16 23:43:04,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:04,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042706014] [2024-11-16 23:43:04,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:04,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:04,518 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 23:43:04,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:04,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042706014] [2024-11-16 23:43:04,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042706014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:04,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:04,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:04,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981570700] [2024-11-16 23:43:04,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:04,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:43:04,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:04,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:43:04,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:43:04,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 557 out of 586 [2024-11-16 23:43:04,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 562 transitions, 1142 flow. Second operand has 2 states, 2 states have (on average 557.5) internal successors, (1115), 2 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states 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 23:43:04,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:04,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 557 of 586 [2024-11-16 23:43:04,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:04,739 INFO L124 PetriNetUnfolderBase]: 10/541 cut-off events. [2024-11-16 23:43:04,739 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-11-16 23:43:04,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 541 events. 10/541 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1242 event pairs, 0 based on Foata normal form. 30/502 useless extension candidates. Maximal degree in co-relation 426. Up to 7 conditions per place. [2024-11-16 23:43:04,750 INFO L140 encePairwiseOnDemand]: 565/586 looper letters, 6 selfloop transitions, 0 changer transitions 6/541 dead transitions. [2024-11-16 23:43:04,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 541 transitions, 1112 flow [2024-11-16 23:43:04,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:43:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:43:04,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1141 transitions. [2024-11-16 23:43:04,774 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9735494880546075 [2024-11-16 23:43:04,777 INFO L175 Difference]: Start difference. First operand has 541 places, 562 transitions, 1142 flow. Second operand 2 states and 1141 transitions. [2024-11-16 23:43:04,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 541 transitions, 1112 flow [2024-11-16 23:43:04,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 541 transitions, 1100 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-16 23:43:04,798 INFO L231 Difference]: Finished difference. Result has 536 places, 535 transitions, 1076 flow [2024-11-16 23:43:04,801 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1076, PETRI_PLACES=536, PETRI_TRANSITIONS=535} [2024-11-16 23:43:04,805 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -5 predicate places. [2024-11-16 23:43:04,806 INFO L471 AbstractCegarLoop]: Abstraction has has 536 places, 535 transitions, 1076 flow [2024-11-16 23:43:04,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 557.5) internal successors, (1115), 2 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states 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 23:43:04,807 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:04,808 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] [2024-11-16 23:43:04,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:43:04,808 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:04,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:04,810 INFO L85 PathProgramCache]: Analyzing trace with hash 377504127, now seen corresponding path program 1 times [2024-11-16 23:43:04,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:04,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221132649] [2024-11-16 23:43:04,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:04,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:04,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:04,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221132649] [2024-11-16 23:43:04,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221132649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:04,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:04,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:04,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325021812] [2024-11-16 23:43:04,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:04,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:04,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:04,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:04,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:04,972 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 586 [2024-11-16 23:43:04,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 535 transitions, 1076 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:04,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:04,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 586 [2024-11-16 23:43:04,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:05,149 INFO L124 PetriNetUnfolderBase]: 19/752 cut-off events. [2024-11-16 23:43:05,150 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-16 23:43:05,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 783 conditions, 752 events. 19/752 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2773 event pairs, 5 based on Foata normal form. 0/656 useless extension candidates. Maximal degree in co-relation 780. Up to 22 conditions per place. [2024-11-16 23:43:05,164 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 11 selfloop transitions, 2 changer transitions 0/534 dead transitions. [2024-11-16 23:43:05,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 534 transitions, 1100 flow [2024-11-16 23:43:05,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-16 23:43:05,169 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-16 23:43:05,170 INFO L175 Difference]: Start difference. First operand has 536 places, 535 transitions, 1076 flow. Second operand 3 states and 1658 transitions. [2024-11-16 23:43:05,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 534 transitions, 1100 flow [2024-11-16 23:43:05,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 534 transitions, 1100 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:05,180 INFO L231 Difference]: Finished difference. Result has 531 places, 534 transitions, 1078 flow [2024-11-16 23:43:05,181 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1074, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=534, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1078, PETRI_PLACES=531, PETRI_TRANSITIONS=534} [2024-11-16 23:43:05,181 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -10 predicate places. [2024-11-16 23:43:05,182 INFO L471 AbstractCegarLoop]: Abstraction has has 531 places, 534 transitions, 1078 flow [2024-11-16 23:43:05,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:05,183 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:05,183 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] [2024-11-16 23:43:05,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:43:05,184 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:05,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:05,185 INFO L85 PathProgramCache]: Analyzing trace with hash 304214315, now seen corresponding path program 1 times [2024-11-16 23:43:05,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:05,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010717160] [2024-11-16 23:43:05,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:05,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:05,784 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 23:43:05,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:05,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010717160] [2024-11-16 23:43:05,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010717160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:05,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:05,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:05,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000508507] [2024-11-16 23:43:05,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:05,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:05,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:05,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:05,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:43:06,166 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 491 out of 586 [2024-11-16 23:43:06,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 534 transitions, 1078 flow. Second operand has 6 states, 6 states have (on average 492.5) internal successors, (2955), 6 states have internal predecessors, (2955), 0 states have call successors, (0), 0 states 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 23:43:06,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:06,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 491 of 586 [2024-11-16 23:43:06,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:09,407 INFO L124 PetriNetUnfolderBase]: 2075/15417 cut-off events. [2024-11-16 23:43:09,407 INFO L125 PetriNetUnfolderBase]: For 179/181 co-relation queries the response was YES. [2024-11-16 23:43:09,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18348 conditions, 15417 events. 2075/15417 cut-off events. For 179/181 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 187268 event pairs, 1520 based on Foata normal form. 0/13042 useless extension candidates. Maximal degree in co-relation 18344. Up to 2820 conditions per place. [2024-11-16 23:43:09,587 INFO L140 encePairwiseOnDemand]: 568/586 looper letters, 54 selfloop transitions, 15 changer transitions 0/531 dead transitions. [2024-11-16 23:43:09,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 531 transitions, 1210 flow [2024-11-16 23:43:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3018 transitions. [2024-11-16 23:43:09,595 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8583617747440273 [2024-11-16 23:43:09,596 INFO L175 Difference]: Start difference. First operand has 531 places, 534 transitions, 1078 flow. Second operand 6 states and 3018 transitions. [2024-11-16 23:43:09,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 531 transitions, 1210 flow [2024-11-16 23:43:09,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 531 transitions, 1206 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:09,603 INFO L231 Difference]: Finished difference. Result has 531 places, 531 transitions, 1098 flow [2024-11-16 23:43:09,604 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1068, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1098, PETRI_PLACES=531, PETRI_TRANSITIONS=531} [2024-11-16 23:43:09,606 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -10 predicate places. [2024-11-16 23:43:09,606 INFO L471 AbstractCegarLoop]: Abstraction has has 531 places, 531 transitions, 1098 flow [2024-11-16 23:43:09,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 492.5) internal successors, (2955), 6 states have internal predecessors, (2955), 0 states have call successors, (0), 0 states 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 23:43:09,608 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:09,608 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] [2024-11-16 23:43:09,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:43:09,609 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:09,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:09,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1546433378, now seen corresponding path program 1 times [2024-11-16 23:43:09,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:09,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319645975] [2024-11-16 23:43:09,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:09,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:09,657 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 23:43:09,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:09,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319645975] [2024-11-16 23:43:09,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319645975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:09,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:09,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:09,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918179861] [2024-11-16 23:43:09,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:09,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:09,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:09,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:09,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:09,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 586 [2024-11-16 23:43:09,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 531 transitions, 1098 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:09,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:09,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 586 [2024-11-16 23:43:09,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:09,948 INFO L124 PetriNetUnfolderBase]: 25/957 cut-off events. [2024-11-16 23:43:09,948 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-16 23:43:09,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 957 events. 25/957 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3872 event pairs, 7 based on Foata normal form. 0/830 useless extension candidates. Maximal degree in co-relation 1005. Up to 25 conditions per place. [2024-11-16 23:43:09,963 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 11 selfloop transitions, 2 changer transitions 0/530 dead transitions. [2024-11-16 23:43:09,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 530 transitions, 1122 flow [2024-11-16 23:43:09,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:09,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-16 23:43:09,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-16 23:43:09,968 INFO L175 Difference]: Start difference. First operand has 531 places, 531 transitions, 1098 flow. Second operand 3 states and 1658 transitions. [2024-11-16 23:43:09,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 530 transitions, 1122 flow [2024-11-16 23:43:09,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 530 transitions, 1092 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:09,981 INFO L231 Difference]: Finished difference. Result has 527 places, 530 transitions, 1070 flow [2024-11-16 23:43:09,981 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1066, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=528, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1070, PETRI_PLACES=527, PETRI_TRANSITIONS=530} [2024-11-16 23:43:09,986 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -14 predicate places. [2024-11-16 23:43:09,987 INFO L471 AbstractCegarLoop]: Abstraction has has 527 places, 530 transitions, 1070 flow [2024-11-16 23:43:09,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:09,989 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:09,990 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:09,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:43:09,991 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:09,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:09,993 INFO L85 PathProgramCache]: Analyzing trace with hash -732766805, now seen corresponding path program 1 times [2024-11-16 23:43:09,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:09,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924815488] [2024-11-16 23:43:09,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:09,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:10,081 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 23:43:10,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:10,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924815488] [2024-11-16 23:43:10,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924815488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:10,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:10,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:10,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733516566] [2024-11-16 23:43:10,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:10,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:10,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:10,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:10,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:10,110 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 586 [2024-11-16 23:43:10,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 530 transitions, 1070 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:10,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:10,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 586 [2024-11-16 23:43:10,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:10,252 INFO L124 PetriNetUnfolderBase]: 19/644 cut-off events. [2024-11-16 23:43:10,252 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-16 23:43:10,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 680 conditions, 644 events. 19/644 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2057 event pairs, 7 based on Foata normal form. 0/570 useless extension candidates. Maximal degree in co-relation 676. Up to 25 conditions per place. [2024-11-16 23:43:10,266 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 11 selfloop transitions, 2 changer transitions 0/529 dead transitions. [2024-11-16 23:43:10,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 529 transitions, 1094 flow [2024-11-16 23:43:10,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:10,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-16 23:43:10,271 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-16 23:43:10,272 INFO L175 Difference]: Start difference. First operand has 527 places, 530 transitions, 1070 flow. Second operand 3 states and 1658 transitions. [2024-11-16 23:43:10,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 529 transitions, 1094 flow [2024-11-16 23:43:10,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 529 transitions, 1090 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:10,282 INFO L231 Difference]: Finished difference. Result has 526 places, 529 transitions, 1068 flow [2024-11-16 23:43:10,283 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1064, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1068, PETRI_PLACES=526, PETRI_TRANSITIONS=529} [2024-11-16 23:43:10,283 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -15 predicate places. [2024-11-16 23:43:10,284 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 529 transitions, 1068 flow [2024-11-16 23:43:10,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:10,285 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:10,286 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 23:43:10,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:43:10,286 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:10,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:10,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1984904672, now seen corresponding path program 1 times [2024-11-16 23:43:10,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:10,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276976843] [2024-11-16 23:43:10,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:10,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:10,356 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 23:43:10,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:10,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276976843] [2024-11-16 23:43:10,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276976843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:10,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:10,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:10,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231362438] [2024-11-16 23:43:10,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:10,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:10,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:10,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:10,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:10,387 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 586 [2024-11-16 23:43:10,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 529 transitions, 1068 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:10,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:10,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 586 [2024-11-16 23:43:10,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:10,585 INFO L124 PetriNetUnfolderBase]: 21/835 cut-off events. [2024-11-16 23:43:10,585 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:43:10,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 835 events. 21/835 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3410 event pairs, 5 based on Foata normal form. 0/729 useless extension candidates. Maximal degree in co-relation 865. Up to 22 conditions per place. [2024-11-16 23:43:10,596 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 11 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2024-11-16 23:43:10,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 528 transitions, 1092 flow [2024-11-16 23:43:10,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:10,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-16 23:43:10,600 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-16 23:43:10,600 INFO L175 Difference]: Start difference. First operand has 526 places, 529 transitions, 1068 flow. Second operand 3 states and 1658 transitions. [2024-11-16 23:43:10,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 528 transitions, 1092 flow [2024-11-16 23:43:10,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 528 transitions, 1088 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:10,608 INFO L231 Difference]: Finished difference. Result has 525 places, 528 transitions, 1066 flow [2024-11-16 23:43:10,609 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1066, PETRI_PLACES=525, PETRI_TRANSITIONS=528} [2024-11-16 23:43:10,609 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -16 predicate places. [2024-11-16 23:43:10,609 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 528 transitions, 1066 flow [2024-11-16 23:43:10,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:10,611 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:10,611 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] [2024-11-16 23:43:10,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:43:10,611 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:10,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:10,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1786017515, now seen corresponding path program 1 times [2024-11-16 23:43:10,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:10,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169447629] [2024-11-16 23:43:10,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:10,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:10,657 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 23:43:10,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:10,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169447629] [2024-11-16 23:43:10,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169447629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:10,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:10,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:10,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673129060] [2024-11-16 23:43:10,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:10,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:10,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:10,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:10,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:10,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 586 [2024-11-16 23:43:10,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 528 transitions, 1066 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:10,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:10,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 586 [2024-11-16 23:43:10,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:10,838 INFO L124 PetriNetUnfolderBase]: 27/1045 cut-off events. [2024-11-16 23:43:10,839 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-11-16 23:43:10,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 1045 events. 27/1045 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 4788 event pairs, 7 based on Foata normal form. 0/905 useless extension candidates. Maximal degree in co-relation 1080. Up to 25 conditions per place. [2024-11-16 23:43:10,860 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 11 selfloop transitions, 2 changer transitions 0/527 dead transitions. [2024-11-16 23:43:10,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 527 transitions, 1090 flow [2024-11-16 23:43:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:10,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:10,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-16 23:43:10,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-16 23:43:10,864 INFO L175 Difference]: Start difference. First operand has 525 places, 528 transitions, 1066 flow. Second operand 3 states and 1658 transitions. [2024-11-16 23:43:10,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 527 transitions, 1090 flow [2024-11-16 23:43:10,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 527 transitions, 1086 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:10,872 INFO L231 Difference]: Finished difference. Result has 524 places, 527 transitions, 1064 flow [2024-11-16 23:43:10,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1064, PETRI_PLACES=524, PETRI_TRANSITIONS=527} [2024-11-16 23:43:10,873 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -17 predicate places. [2024-11-16 23:43:10,874 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 527 transitions, 1064 flow [2024-11-16 23:43:10,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:10,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:10,875 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] [2024-11-16 23:43:10,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:43:10,875 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:10,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:10,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1897307235, now seen corresponding path program 1 times [2024-11-16 23:43:10,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:10,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591610069] [2024-11-16 23:43:10,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:10,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:10,921 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 23:43:10,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:10,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591610069] [2024-11-16 23:43:10,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591610069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:10,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:10,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:10,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337668693] [2024-11-16 23:43:10,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:10,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:10,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:10,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:10,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:10,943 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 586 [2024-11-16 23:43:10,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 527 transitions, 1064 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:10,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:10,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 586 [2024-11-16 23:43:10,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:11,095 INFO L124 PetriNetUnfolderBase]: 25/908 cut-off events. [2024-11-16 23:43:11,096 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-16 23:43:11,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 908 events. 25/908 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3255 event pairs, 7 based on Foata normal form. 0/793 useless extension candidates. Maximal degree in co-relation 940. Up to 25 conditions per place. [2024-11-16 23:43:11,111 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 11 selfloop transitions, 2 changer transitions 0/526 dead transitions. [2024-11-16 23:43:11,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 526 transitions, 1088 flow [2024-11-16 23:43:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:11,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-16 23:43:11,116 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-16 23:43:11,116 INFO L175 Difference]: Start difference. First operand has 524 places, 527 transitions, 1064 flow. Second operand 3 states and 1658 transitions. [2024-11-16 23:43:11,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 526 transitions, 1088 flow [2024-11-16 23:43:11,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 526 transitions, 1084 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:11,126 INFO L231 Difference]: Finished difference. Result has 523 places, 526 transitions, 1062 flow [2024-11-16 23:43:11,127 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1058, PETRI_DIFFERENCE_MINUEND_PLACES=521, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1062, PETRI_PLACES=523, PETRI_TRANSITIONS=526} [2024-11-16 23:43:11,128 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -18 predicate places. [2024-11-16 23:43:11,128 INFO L471 AbstractCegarLoop]: Abstraction has has 523 places, 526 transitions, 1062 flow [2024-11-16 23:43:11,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:11,129 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:11,130 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] [2024-11-16 23:43:11,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:43:11,130 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:11,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:11,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1183273894, now seen corresponding path program 1 times [2024-11-16 23:43:11,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:11,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941135358] [2024-11-16 23:43:11,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:11,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:11,188 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 23:43:11,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:11,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941135358] [2024-11-16 23:43:11,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941135358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:11,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:11,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:11,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378741576] [2024-11-16 23:43:11,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:11,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:11,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:11,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:11,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:11,203 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 586 [2024-11-16 23:43:11,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 526 transitions, 1062 flow. Second operand has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states 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 23:43:11,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:11,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 586 [2024-11-16 23:43:11,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:11,436 INFO L124 PetriNetUnfolderBase]: 32/1033 cut-off events. [2024-11-16 23:43:11,436 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-16 23:43:11,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 1033 events. 32/1033 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4806 event pairs, 6 based on Foata normal form. 0/902 useless extension candidates. Maximal degree in co-relation 1077. Up to 31 conditions per place. [2024-11-16 23:43:11,458 INFO L140 encePairwiseOnDemand]: 582/586 looper letters, 13 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2024-11-16 23:43:11,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 528 transitions, 1098 flow [2024-11-16 23:43:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:11,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2024-11-16 23:43:11,463 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9482366325369739 [2024-11-16 23:43:11,463 INFO L175 Difference]: Start difference. First operand has 523 places, 526 transitions, 1062 flow. Second operand 3 states and 1667 transitions. [2024-11-16 23:43:11,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 528 transitions, 1098 flow [2024-11-16 23:43:11,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 528 transitions, 1094 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:11,475 INFO L231 Difference]: Finished difference. Result has 522 places, 526 transitions, 1068 flow [2024-11-16 23:43:11,476 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1068, PETRI_PLACES=522, PETRI_TRANSITIONS=526} [2024-11-16 23:43:11,477 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -19 predicate places. [2024-11-16 23:43:11,477 INFO L471 AbstractCegarLoop]: Abstraction has has 522 places, 526 transitions, 1068 flow [2024-11-16 23:43:11,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states 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 23:43:11,478 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:11,478 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] [2024-11-16 23:43:11,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:43:11,479 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:11,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:11,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1671729035, now seen corresponding path program 1 times [2024-11-16 23:43:11,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:11,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380099113] [2024-11-16 23:43:11,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:11,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:11,538 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 23:43:11,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:11,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380099113] [2024-11-16 23:43:11,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380099113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:11,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:11,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:11,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847637912] [2024-11-16 23:43:11,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:11,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:11,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:11,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:11,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:11,554 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 586 [2024-11-16 23:43:11,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 526 transitions, 1068 flow. Second operand has 3 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states 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 23:43:11,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:11,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 586 [2024-11-16 23:43:11,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:11,876 INFO L124 PetriNetUnfolderBase]: 56/1678 cut-off events. [2024-11-16 23:43:11,876 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:43:11,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1753 conditions, 1678 events. 56/1678 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 11271 event pairs, 11 based on Foata normal form. 0/1458 useless extension candidates. Maximal degree in co-relation 1749. Up to 43 conditions per place. [2024-11-16 23:43:11,903 INFO L140 encePairwiseOnDemand]: 582/586 looper letters, 13 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2024-11-16 23:43:11,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 528 transitions, 1104 flow [2024-11-16 23:43:11,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:11,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:11,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2024-11-16 23:43:11,909 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9482366325369739 [2024-11-16 23:43:11,909 INFO L175 Difference]: Start difference. First operand has 522 places, 526 transitions, 1068 flow. Second operand 3 states and 1667 transitions. [2024-11-16 23:43:11,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 528 transitions, 1104 flow [2024-11-16 23:43:11,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 528 transitions, 1104 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:11,921 INFO L231 Difference]: Finished difference. Result has 523 places, 526 transitions, 1078 flow [2024-11-16 23:43:11,923 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1064, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1078, PETRI_PLACES=523, PETRI_TRANSITIONS=526} [2024-11-16 23:43:11,924 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -18 predicate places. [2024-11-16 23:43:11,924 INFO L471 AbstractCegarLoop]: Abstraction has has 523 places, 526 transitions, 1078 flow [2024-11-16 23:43:11,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states 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 23:43:11,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:11,926 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:11,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:43:11,926 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:11,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:11,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1679530243, now seen corresponding path program 1 times [2024-11-16 23:43:11,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:11,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298312711] [2024-11-16 23:43:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:11,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:11,985 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 23:43:11,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:11,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298312711] [2024-11-16 23:43:11,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298312711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:11,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:11,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:11,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116993835] [2024-11-16 23:43:11,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:11,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:11,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:11,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:11,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:12,011 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-16 23:43:12,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 526 transitions, 1078 flow. Second operand has 3 states, 3 states have (on average 548.3333333333334) internal successors, (1645), 3 states have internal predecessors, (1645), 0 states have call successors, (0), 0 states 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 23:43:12,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:12,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-16 23:43:12,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:12,223 INFO L124 PetriNetUnfolderBase]: 51/1198 cut-off events. [2024-11-16 23:43:12,223 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:43:12,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1317 conditions, 1198 events. 51/1198 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6527 event pairs, 18 based on Foata normal form. 0/1051 useless extension candidates. Maximal degree in co-relation 1312. Up to 57 conditions per place. [2024-11-16 23:43:12,238 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 15 selfloop transitions, 2 changer transitions 0/527 dead transitions. [2024-11-16 23:43:12,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 527 transitions, 1116 flow [2024-11-16 23:43:12,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1659 transitions. [2024-11-16 23:43:12,243 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9436860068259386 [2024-11-16 23:43:12,243 INFO L175 Difference]: Start difference. First operand has 523 places, 526 transitions, 1078 flow. Second operand 3 states and 1659 transitions. [2024-11-16 23:43:12,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 527 transitions, 1116 flow [2024-11-16 23:43:12,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 527 transitions, 1116 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:12,252 INFO L231 Difference]: Finished difference. Result has 524 places, 525 transitions, 1080 flow [2024-11-16 23:43:12,256 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1076, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1080, PETRI_PLACES=524, PETRI_TRANSITIONS=525} [2024-11-16 23:43:12,256 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -17 predicate places. [2024-11-16 23:43:12,257 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 525 transitions, 1080 flow [2024-11-16 23:43:12,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 548.3333333333334) internal successors, (1645), 3 states have internal predecessors, (1645), 0 states have call successors, (0), 0 states 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 23:43:12,258 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:12,258 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:12,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:43:12,259 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:12,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:12,259 INFO L85 PathProgramCache]: Analyzing trace with hash -767777136, now seen corresponding path program 1 times [2024-11-16 23:43:12,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:12,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128074848] [2024-11-16 23:43:12,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:12,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:12,317 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 23:43:12,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:12,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128074848] [2024-11-16 23:43:12,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128074848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:12,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:12,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:12,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421743056] [2024-11-16 23:43:12,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:12,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:12,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:12,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:12,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:12,331 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 586 [2024-11-16 23:43:12,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 525 transitions, 1080 flow. Second operand has 3 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states 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 23:43:12,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:12,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 586 [2024-11-16 23:43:12,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:12,605 INFO L124 PetriNetUnfolderBase]: 68/1887 cut-off events. [2024-11-16 23:43:12,606 INFO L125 PetriNetUnfolderBase]: For 16/21 co-relation queries the response was YES. [2024-11-16 23:43:12,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1976 conditions, 1887 events. 68/1887 cut-off events. For 16/21 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 12217 event pairs, 8 based on Foata normal form. 0/1633 useless extension candidates. Maximal degree in co-relation 1970. Up to 56 conditions per place. [2024-11-16 23:43:12,638 INFO L140 encePairwiseOnDemand]: 582/586 looper letters, 13 selfloop transitions, 2 changer transitions 0/527 dead transitions. [2024-11-16 23:43:12,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 527 transitions, 1116 flow [2024-11-16 23:43:12,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:12,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2024-11-16 23:43:12,642 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9482366325369739 [2024-11-16 23:43:12,642 INFO L175 Difference]: Start difference. First operand has 524 places, 525 transitions, 1080 flow. Second operand 3 states and 1667 transitions. [2024-11-16 23:43:12,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 527 transitions, 1116 flow [2024-11-16 23:43:12,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 527 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:12,649 INFO L231 Difference]: Finished difference. Result has 523 places, 525 transitions, 1086 flow [2024-11-16 23:43:12,650 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1086, PETRI_PLACES=523, PETRI_TRANSITIONS=525} [2024-11-16 23:43:12,651 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -18 predicate places. [2024-11-16 23:43:12,651 INFO L471 AbstractCegarLoop]: Abstraction has has 523 places, 525 transitions, 1086 flow [2024-11-16 23:43:12,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states 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 23:43:12,652 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:12,652 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:12,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:43:12,653 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:12,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:12,653 INFO L85 PathProgramCache]: Analyzing trace with hash 680926660, now seen corresponding path program 1 times [2024-11-16 23:43:12,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:12,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135506337] [2024-11-16 23:43:12,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:12,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:12,702 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 23:43:12,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:12,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135506337] [2024-11-16 23:43:12,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135506337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:12,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:12,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:12,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197257541] [2024-11-16 23:43:12,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:12,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:12,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:12,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:12,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:12,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 586 [2024-11-16 23:43:12,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 525 transitions, 1086 flow. Second operand has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states 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 23:43:12,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:12,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 586 [2024-11-16 23:43:12,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:13,064 INFO L124 PetriNetUnfolderBase]: 101/2318 cut-off events. [2024-11-16 23:43:13,065 INFO L125 PetriNetUnfolderBase]: For 19/22 co-relation queries the response was YES. [2024-11-16 23:43:13,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2467 conditions, 2318 events. 101/2318 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 15933 event pairs, 6 based on Foata normal form. 0/2006 useless extension candidates. Maximal degree in co-relation 2461. Up to 104 conditions per place. [2024-11-16 23:43:13,107 INFO L140 encePairwiseOnDemand]: 582/586 looper letters, 16 selfloop transitions, 2 changer transitions 0/530 dead transitions. [2024-11-16 23:43:13,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 530 transitions, 1137 flow [2024-11-16 23:43:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:13,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:13,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1670 transitions. [2024-11-16 23:43:13,111 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.949943117178612 [2024-11-16 23:43:13,111 INFO L175 Difference]: Start difference. First operand has 523 places, 525 transitions, 1086 flow. Second operand 3 states and 1670 transitions. [2024-11-16 23:43:13,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 530 transitions, 1137 flow [2024-11-16 23:43:13,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 530 transitions, 1137 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:13,120 INFO L231 Difference]: Finished difference. Result has 524 places, 525 transitions, 1096 flow [2024-11-16 23:43:13,121 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1082, PETRI_DIFFERENCE_MINUEND_PLACES=521, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1096, PETRI_PLACES=524, PETRI_TRANSITIONS=525} [2024-11-16 23:43:13,122 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -17 predicate places. [2024-11-16 23:43:13,122 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 525 transitions, 1096 flow [2024-11-16 23:43:13,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states 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 23:43:13,124 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:13,124 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:13,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:43:13,124 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:13,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:13,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1253267231, now seen corresponding path program 1 times [2024-11-16 23:43:13,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:13,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161758309] [2024-11-16 23:43:13,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:13,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:13,174 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 23:43:13,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:13,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161758309] [2024-11-16 23:43:13,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161758309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:13,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:13,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:13,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533412179] [2024-11-16 23:43:13,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:13,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:13,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:13,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:13,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:13,205 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-16 23:43:13,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 525 transitions, 1096 flow. Second operand has 3 states, 3 states have (on average 548.6666666666666) internal successors, (1646), 3 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states 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 23:43:13,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:13,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-16 23:43:13,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:13,570 INFO L124 PetriNetUnfolderBase]: 84/1859 cut-off events. [2024-11-16 23:43:13,570 INFO L125 PetriNetUnfolderBase]: For 24/106 co-relation queries the response was YES. [2024-11-16 23:43:13,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2016 conditions, 1859 events. 84/1859 cut-off events. For 24/106 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 11867 event pairs, 18 based on Foata normal form. 2/1609 useless extension candidates. Maximal degree in co-relation 2009. Up to 58 conditions per place. [2024-11-16 23:43:13,597 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 15 selfloop transitions, 2 changer transitions 0/526 dead transitions. [2024-11-16 23:43:13,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 526 transitions, 1134 flow [2024-11-16 23:43:13,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:13,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1659 transitions. [2024-11-16 23:43:13,603 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9436860068259386 [2024-11-16 23:43:13,603 INFO L175 Difference]: Start difference. First operand has 524 places, 525 transitions, 1096 flow. Second operand 3 states and 1659 transitions. [2024-11-16 23:43:13,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 526 transitions, 1134 flow [2024-11-16 23:43:13,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 526 transitions, 1134 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:13,611 INFO L231 Difference]: Finished difference. Result has 525 places, 524 transitions, 1098 flow [2024-11-16 23:43:13,611 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1094, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1098, PETRI_PLACES=525, PETRI_TRANSITIONS=524} [2024-11-16 23:43:13,612 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -16 predicate places. [2024-11-16 23:43:13,612 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 524 transitions, 1098 flow [2024-11-16 23:43:13,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 548.6666666666666) internal successors, (1646), 3 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states 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 23:43:13,613 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:13,614 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:13,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:43:13,614 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:13,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:13,614 INFO L85 PathProgramCache]: Analyzing trace with hash -366140618, now seen corresponding path program 1 times [2024-11-16 23:43:13,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:13,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259892163] [2024-11-16 23:43:13,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:13,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:13,664 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 23:43:13,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:13,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259892163] [2024-11-16 23:43:13,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259892163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:13,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:13,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:13,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786315831] [2024-11-16 23:43:13,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:13,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:13,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:13,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:13,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:13,688 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 545 out of 586 [2024-11-16 23:43:13,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 524 transitions, 1098 flow. Second operand has 3 states, 3 states have (on average 546.3333333333334) internal successors, (1639), 3 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states 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 23:43:13,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:13,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 545 of 586 [2024-11-16 23:43:13,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:14,172 INFO L124 PetriNetUnfolderBase]: 118/2807 cut-off events. [2024-11-16 23:43:14,173 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-16 23:43:14,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3073 conditions, 2807 events. 118/2807 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 20395 event pairs, 15 based on Foata normal form. 0/2461 useless extension candidates. Maximal degree in co-relation 3065. Up to 57 conditions per place. [2024-11-16 23:43:14,228 INFO L140 encePairwiseOnDemand]: 578/586 looper letters, 15 selfloop transitions, 5 changer transitions 0/526 dead transitions. [2024-11-16 23:43:14,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 526 transitions, 1144 flow [2024-11-16 23:43:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:14,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-16 23:43:14,233 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-16 23:43:14,233 INFO L175 Difference]: Start difference. First operand has 525 places, 524 transitions, 1098 flow. Second operand 3 states and 1658 transitions. [2024-11-16 23:43:14,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 526 transitions, 1144 flow [2024-11-16 23:43:14,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 526 transitions, 1140 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:14,243 INFO L231 Difference]: Finished difference. Result has 524 places, 524 transitions, 1120 flow [2024-11-16 23:43:14,244 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1120, PETRI_PLACES=524, PETRI_TRANSITIONS=524} [2024-11-16 23:43:14,245 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -17 predicate places. [2024-11-16 23:43:14,245 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 524 transitions, 1120 flow [2024-11-16 23:43:14,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 546.3333333333334) internal successors, (1639), 3 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states 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 23:43:14,247 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:14,247 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:14,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:43:14,247 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:14,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:14,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1552567048, now seen corresponding path program 1 times [2024-11-16 23:43:14,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:14,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161088395] [2024-11-16 23:43:14,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:14,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:14,336 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 23:43:14,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:14,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161088395] [2024-11-16 23:43:14,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161088395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:14,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:14,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:43:14,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715111423] [2024-11-16 23:43:14,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:14,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:43:14,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:14,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:43:14,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:43:14,397 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 586 [2024-11-16 23:43:14,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 524 transitions, 1120 flow. Second operand has 4 states, 4 states have (on average 550.25) internal successors, (2201), 4 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states 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 23:43:14,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:14,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 586 [2024-11-16 23:43:14,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:15,060 INFO L124 PetriNetUnfolderBase]: 124/3293 cut-off events. [2024-11-16 23:43:15,060 INFO L125 PetriNetUnfolderBase]: For 46/52 co-relation queries the response was YES. [2024-11-16 23:43:15,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3679 conditions, 3293 events. 124/3293 cut-off events. For 46/52 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 24410 event pairs, 24 based on Foata normal form. 2/2891 useless extension candidates. Maximal degree in co-relation 3670. Up to 67 conditions per place. [2024-11-16 23:43:15,088 INFO L140 encePairwiseOnDemand]: 581/586 looper letters, 27 selfloop transitions, 4 changer transitions 0/540 dead transitions. [2024-11-16 23:43:15,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 540 transitions, 1224 flow [2024-11-16 23:43:15,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:43:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:43:15,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2777 transitions. [2024-11-16 23:43:15,096 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477815699658703 [2024-11-16 23:43:15,096 INFO L175 Difference]: Start difference. First operand has 524 places, 524 transitions, 1120 flow. Second operand 5 states and 2777 transitions. [2024-11-16 23:43:15,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 540 transitions, 1224 flow [2024-11-16 23:43:15,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 540 transitions, 1214 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:15,106 INFO L231 Difference]: Finished difference. Result has 529 places, 526 transitions, 1135 flow [2024-11-16 23:43:15,107 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1106, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1135, PETRI_PLACES=529, PETRI_TRANSITIONS=526} [2024-11-16 23:43:15,108 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -12 predicate places. [2024-11-16 23:43:15,108 INFO L471 AbstractCegarLoop]: Abstraction has has 529 places, 526 transitions, 1135 flow [2024-11-16 23:43:15,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 550.25) internal successors, (2201), 4 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states 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 23:43:15,109 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:15,110 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:15,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:43:15,110 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:15,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:15,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1779203860, now seen corresponding path program 1 times [2024-11-16 23:43:15,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:15,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286784220] [2024-11-16 23:43:15,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:15,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:15,247 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 23:43:15,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:15,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286784220] [2024-11-16 23:43:15,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286784220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:15,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:15,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:15,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254902739] [2024-11-16 23:43:15,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:15,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 23:43:15,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:15,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 23:43:15,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 23:43:15,392 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 530 out of 586 [2024-11-16 23:43:15,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 526 transitions, 1135 flow. Second operand has 5 states, 5 states have (on average 535.0) internal successors, (2675), 5 states have internal predecessors, (2675), 0 states have call successors, (0), 0 states 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 23:43:15,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:15,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 530 of 586 [2024-11-16 23:43:15,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:15,822 INFO L124 PetriNetUnfolderBase]: 47/1695 cut-off events. [2024-11-16 23:43:15,822 INFO L125 PetriNetUnfolderBase]: For 13/24 co-relation queries the response was YES. [2024-11-16 23:43:15,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1861 conditions, 1695 events. 47/1695 cut-off events. For 13/24 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 8871 event pairs, 3 based on Foata normal form. 3/1506 useless extension candidates. Maximal degree in co-relation 1850. Up to 30 conditions per place. [2024-11-16 23:43:15,849 INFO L140 encePairwiseOnDemand]: 565/586 looper letters, 18 selfloop transitions, 18 changer transitions 0/529 dead transitions. [2024-11-16 23:43:15,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 529 transitions, 1213 flow [2024-11-16 23:43:15,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:43:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:43:15,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2689 transitions. [2024-11-16 23:43:15,856 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9177474402730376 [2024-11-16 23:43:15,856 INFO L175 Difference]: Start difference. First operand has 529 places, 526 transitions, 1135 flow. Second operand 5 states and 2689 transitions. [2024-11-16 23:43:15,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 529 transitions, 1213 flow [2024-11-16 23:43:15,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 529 transitions, 1213 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:15,866 INFO L231 Difference]: Finished difference. Result has 534 places, 529 transitions, 1195 flow [2024-11-16 23:43:15,866 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1135, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1195, PETRI_PLACES=534, PETRI_TRANSITIONS=529} [2024-11-16 23:43:15,867 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -7 predicate places. [2024-11-16 23:43:15,867 INFO L471 AbstractCegarLoop]: Abstraction has has 534 places, 529 transitions, 1195 flow [2024-11-16 23:43:15,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 535.0) internal successors, (2675), 5 states have internal predecessors, (2675), 0 states have call successors, (0), 0 states 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 23:43:15,869 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:15,869 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:43:15,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:43:15,869 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:15,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:15,870 INFO L85 PathProgramCache]: Analyzing trace with hash -173699283, now seen corresponding path program 1 times [2024-11-16 23:43:15,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:15,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455411809] [2024-11-16 23:43:15,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:15,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:15,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-16 23:43:15,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:15,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455411809] [2024-11-16 23:43:15,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455411809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:15,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:15,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:15,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799282793] [2024-11-16 23:43:15,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:15,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:15,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:15,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:15,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:16,007 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-16 23:43:16,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 529 transitions, 1195 flow. Second operand has 3 states, 3 states have (on average 549.0) internal successors, (1647), 3 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states 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 23:43:16,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:16,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-16 23:43:16,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:16,977 INFO L124 PetriNetUnfolderBase]: 188/4869 cut-off events. [2024-11-16 23:43:16,978 INFO L125 PetriNetUnfolderBase]: For 58/63 co-relation queries the response was YES. [2024-11-16 23:43:17,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5413 conditions, 4869 events. 188/4869 cut-off events. For 58/63 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 40029 event pairs, 45 based on Foata normal form. 1/4270 useless extension candidates. Maximal degree in co-relation 5400. Up to 128 conditions per place. [2024-11-16 23:43:17,051 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 17 selfloop transitions, 2 changer transitions 0/530 dead transitions. [2024-11-16 23:43:17,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 530 transitions, 1237 flow [2024-11-16 23:43:17,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:17,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1659 transitions. [2024-11-16 23:43:17,055 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9436860068259386 [2024-11-16 23:43:17,055 INFO L175 Difference]: Start difference. First operand has 534 places, 529 transitions, 1195 flow. Second operand 3 states and 1659 transitions. [2024-11-16 23:43:17,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 530 transitions, 1237 flow [2024-11-16 23:43:17,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 530 transitions, 1207 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:43:17,067 INFO L231 Difference]: Finished difference. Result has 532 places, 528 transitions, 1167 flow [2024-11-16 23:43:17,067 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1163, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1167, PETRI_PLACES=532, PETRI_TRANSITIONS=528} [2024-11-16 23:43:17,068 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -9 predicate places. [2024-11-16 23:43:17,068 INFO L471 AbstractCegarLoop]: Abstraction has has 532 places, 528 transitions, 1167 flow [2024-11-16 23:43:17,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.0) internal successors, (1647), 3 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states 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 23:43:17,069 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:17,070 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:43:17,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:43:17,070 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:17,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:17,070 INFO L85 PathProgramCache]: Analyzing trace with hash -927573811, now seen corresponding path program 1 times [2024-11-16 23:43:17,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:17,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575733668] [2024-11-16 23:43:17,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:17,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:43:17,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:17,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575733668] [2024-11-16 23:43:17,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575733668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:43:17,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816495348] [2024-11-16 23:43:17,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:17,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:43:17,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:43:17,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:43:17,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 23:43:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:17,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 23:43:17,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:43:17,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:43:17,730 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:43:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:43:17,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816495348] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:43:17,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:43:17,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-16 23:43:17,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699952816] [2024-11-16 23:43:17,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:43:17,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 23:43:17,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:17,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 23:43:17,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-16 23:43:18,351 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 521 out of 586 [2024-11-16 23:43:18,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 528 transitions, 1167 flow. Second operand has 15 states, 15 states have (on average 524.4666666666667) internal successors, (7867), 15 states have internal predecessors, (7867), 0 states have call successors, (0), 0 states 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 23:43:18,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:18,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 521 of 586 [2024-11-16 23:43:18,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:19,021 INFO L124 PetriNetUnfolderBase]: 47/1746 cut-off events. [2024-11-16 23:43:19,021 INFO L125 PetriNetUnfolderBase]: For 31/42 co-relation queries the response was YES. [2024-11-16 23:43:19,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1974 conditions, 1746 events. 47/1746 cut-off events. For 31/42 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8682 event pairs, 3 based on Foata normal form. 6/1566 useless extension candidates. Maximal degree in co-relation 1961. Up to 30 conditions per place. [2024-11-16 23:43:19,048 INFO L140 encePairwiseOnDemand]: 556/586 looper letters, 30 selfloop transitions, 39 changer transitions 0/552 dead transitions. [2024-11-16 23:43:19,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 552 transitions, 1359 flow [2024-11-16 23:43:19,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:43:19,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:43:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 5806 transitions. [2024-11-16 23:43:19,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9007136208501396 [2024-11-16 23:43:19,055 INFO L175 Difference]: Start difference. First operand has 532 places, 528 transitions, 1167 flow. Second operand 11 states and 5806 transitions. [2024-11-16 23:43:19,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 552 transitions, 1359 flow [2024-11-16 23:43:19,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 552 transitions, 1355 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:19,064 INFO L231 Difference]: Finished difference. Result has 543 places, 546 transitions, 1343 flow [2024-11-16 23:43:19,065 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1163, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1343, PETRI_PLACES=543, PETRI_TRANSITIONS=546} [2024-11-16 23:43:19,065 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 2 predicate places. [2024-11-16 23:43:19,065 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 546 transitions, 1343 flow [2024-11-16 23:43:19,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 524.4666666666667) internal successors, (7867), 15 states have internal predecessors, (7867), 0 states have call successors, (0), 0 states 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 23:43:19,067 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:19,068 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:19,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 23:43:19,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:43:19,269 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:19,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:19,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1530922353, now seen corresponding path program 2 times [2024-11-16 23:43:19,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:19,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218752121] [2024-11-16 23:43:19,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:19,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:19,684 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-16 23:43:19,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:19,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218752121] [2024-11-16 23:43:19,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218752121] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:43:19,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268970066] [2024-11-16 23:43:19,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:43:19,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:43:19,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:43:19,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:43:19,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 23:43:19,847 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:43:19,847 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:43:19,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-16 23:43:19,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:43:19,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-16 23:43:19,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-16 23:43:19,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:43:19,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-16 23:43:19,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:43:19,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-16 23:43:20,024 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-16 23:43:20,024 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:43:20,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268970066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:20,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:43:20,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-16 23:43:20,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705971858] [2024-11-16 23:43:20,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:20,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:20,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:20,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:20,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-16 23:43:20,426 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 586 [2024-11-16 23:43:20,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 546 transitions, 1343 flow. Second operand has 6 states, 6 states have (on average 538.5) internal successors, (3231), 6 states have internal predecessors, (3231), 0 states have call successors, (0), 0 states 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 23:43:20,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:20,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 586 [2024-11-16 23:43:20,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:20,903 INFO L124 PetriNetUnfolderBase]: 100/2680 cut-off events. [2024-11-16 23:43:20,903 INFO L125 PetriNetUnfolderBase]: For 68/77 co-relation queries the response was YES. [2024-11-16 23:43:20,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3165 conditions, 2680 events. 100/2680 cut-off events. For 68/77 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 17681 event pairs, 9 based on Foata normal form. 0/2398 useless extension candidates. Maximal degree in co-relation 3149. Up to 79 conditions per place. [2024-11-16 23:43:20,947 INFO L140 encePairwiseOnDemand]: 580/586 looper letters, 30 selfloop transitions, 6 changer transitions 0/553 dead transitions. [2024-11-16 23:43:20,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 553 transitions, 1437 flow [2024-11-16 23:43:20,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:20,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3246 transitions. [2024-11-16 23:43:20,953 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9232081911262798 [2024-11-16 23:43:20,953 INFO L175 Difference]: Start difference. First operand has 543 places, 546 transitions, 1343 flow. Second operand 6 states and 3246 transitions. [2024-11-16 23:43:20,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 553 transitions, 1437 flow [2024-11-16 23:43:20,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 553 transitions, 1401 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-16 23:43:20,963 INFO L231 Difference]: Finished difference. Result has 544 places, 545 transitions, 1317 flow [2024-11-16 23:43:20,964 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1305, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1317, PETRI_PLACES=544, PETRI_TRANSITIONS=545} [2024-11-16 23:43:20,964 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 3 predicate places. [2024-11-16 23:43:20,964 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 545 transitions, 1317 flow [2024-11-16 23:43:20,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 538.5) internal successors, (3231), 6 states have internal predecessors, (3231), 0 states have call successors, (0), 0 states 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 23:43:20,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:20,969 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:20,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 23:43:21,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-16 23:43:21,170 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:21,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:21,171 INFO L85 PathProgramCache]: Analyzing trace with hash -301421141, now seen corresponding path program 1 times [2024-11-16 23:43:21,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:21,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504007869] [2024-11-16 23:43:21,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:21,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:21,295 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-16 23:43:21,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:21,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504007869] [2024-11-16 23:43:21,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504007869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:21,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:21,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:21,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196702489] [2024-11-16 23:43:21,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:21,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:21,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:21,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:21,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:21,307 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 586 [2024-11-16 23:43:21,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 545 transitions, 1317 flow. Second operand has 3 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states 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 23:43:21,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:21,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 586 [2024-11-16 23:43:21,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:21,915 INFO L124 PetriNetUnfolderBase]: 125/3212 cut-off events. [2024-11-16 23:43:21,915 INFO L125 PetriNetUnfolderBase]: For 71/92 co-relation queries the response was YES. [2024-11-16 23:43:21,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3731 conditions, 3212 events. 125/3212 cut-off events. For 71/92 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 22862 event pairs, 15 based on Foata normal form. 1/2892 useless extension candidates. Maximal degree in co-relation 3715. Up to 118 conditions per place. [2024-11-16 23:43:21,966 INFO L140 encePairwiseOnDemand]: 582/586 looper letters, 16 selfloop transitions, 2 changer transitions 0/550 dead transitions. [2024-11-16 23:43:21,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 550 transitions, 1368 flow [2024-11-16 23:43:21,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:21,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1670 transitions. [2024-11-16 23:43:21,969 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.949943117178612 [2024-11-16 23:43:21,969 INFO L175 Difference]: Start difference. First operand has 544 places, 545 transitions, 1317 flow. Second operand 3 states and 1670 transitions. [2024-11-16 23:43:21,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 550 transitions, 1368 flow [2024-11-16 23:43:21,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 550 transitions, 1356 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:21,976 INFO L231 Difference]: Finished difference. Result has 540 places, 545 transitions, 1315 flow [2024-11-16 23:43:21,977 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1301, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1315, PETRI_PLACES=540, PETRI_TRANSITIONS=545} [2024-11-16 23:43:21,977 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -1 predicate places. [2024-11-16 23:43:21,977 INFO L471 AbstractCegarLoop]: Abstraction has has 540 places, 545 transitions, 1315 flow [2024-11-16 23:43:21,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states 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 23:43:21,978 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:21,978 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:21,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 23:43:21,978 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:21,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:21,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1535753059, now seen corresponding path program 1 times [2024-11-16 23:43:21,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:21,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864984051] [2024-11-16 23:43:21,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:21,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:22,092 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-16 23:43:22,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:22,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864984051] [2024-11-16 23:43:22,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864984051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:22,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:22,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:22,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650590252] [2024-11-16 23:43:22,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:22,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:22,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:22,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:22,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:22,120 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-16 23:43:22,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 545 transitions, 1315 flow. Second operand has 3 states, 3 states have (on average 549.0) internal successors, (1647), 3 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states 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 23:43:22,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:22,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-16 23:43:22,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:22,739 INFO L124 PetriNetUnfolderBase]: 248/3254 cut-off events. [2024-11-16 23:43:22,739 INFO L125 PetriNetUnfolderBase]: For 190/242 co-relation queries the response was YES. [2024-11-16 23:43:22,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3893 conditions, 3254 events. 248/3254 cut-off events. For 190/242 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 25712 event pairs, 54 based on Foata normal form. 0/2817 useless extension candidates. Maximal degree in co-relation 3877. Up to 320 conditions per place. [2024-11-16 23:43:22,782 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 15 selfloop transitions, 2 changer transitions 0/546 dead transitions. [2024-11-16 23:43:22,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 546 transitions, 1353 flow [2024-11-16 23:43:22,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:22,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1659 transitions. [2024-11-16 23:43:22,785 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9436860068259386 [2024-11-16 23:43:22,785 INFO L175 Difference]: Start difference. First operand has 540 places, 545 transitions, 1315 flow. Second operand 3 states and 1659 transitions. [2024-11-16 23:43:22,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 546 transitions, 1353 flow [2024-11-16 23:43:22,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 546 transitions, 1353 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:22,793 INFO L231 Difference]: Finished difference. Result has 541 places, 544 transitions, 1317 flow [2024-11-16 23:43:22,793 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1313, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1317, PETRI_PLACES=541, PETRI_TRANSITIONS=544} [2024-11-16 23:43:22,794 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 0 predicate places. [2024-11-16 23:43:22,794 INFO L471 AbstractCegarLoop]: Abstraction has has 541 places, 544 transitions, 1317 flow [2024-11-16 23:43:22,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.0) internal successors, (1647), 3 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states 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 23:43:22,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:22,795 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:22,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 23:43:22,795 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:22,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:22,795 INFO L85 PathProgramCache]: Analyzing trace with hash -754151272, now seen corresponding path program 1 times [2024-11-16 23:43:22,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:22,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790940151] [2024-11-16 23:43:22,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:22,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-16 23:43:22,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:22,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790940151] [2024-11-16 23:43:22,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790940151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:22,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:22,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:22,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260385174] [2024-11-16 23:43:22,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:22,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:22,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:22,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:22,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:22,917 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 545 out of 586 [2024-11-16 23:43:22,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 544 transitions, 1317 flow. Second operand has 3 states, 3 states have (on average 546.6666666666666) internal successors, (1640), 3 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states 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 23:43:22,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:22,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 545 of 586 [2024-11-16 23:43:22,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:23,776 INFO L124 PetriNetUnfolderBase]: 181/4431 cut-off events. [2024-11-16 23:43:23,776 INFO L125 PetriNetUnfolderBase]: For 80/243 co-relation queries the response was YES. [2024-11-16 23:43:23,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4985 conditions, 4431 events. 181/4431 cut-off events. For 80/243 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 33626 event pairs, 26 based on Foata normal form. 0/3921 useless extension candidates. Maximal degree in co-relation 4968. Up to 82 conditions per place. [2024-11-16 23:43:23,867 INFO L140 encePairwiseOnDemand]: 578/586 looper letters, 15 selfloop transitions, 5 changer transitions 0/546 dead transitions. [2024-11-16 23:43:23,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 546 transitions, 1363 flow [2024-11-16 23:43:23,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:23,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:23,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-16 23:43:23,869 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-16 23:43:23,869 INFO L175 Difference]: Start difference. First operand has 541 places, 544 transitions, 1317 flow. Second operand 3 states and 1658 transitions. [2024-11-16 23:43:23,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 546 transitions, 1363 flow [2024-11-16 23:43:23,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 546 transitions, 1359 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:23,877 INFO L231 Difference]: Finished difference. Result has 540 places, 544 transitions, 1339 flow [2024-11-16 23:43:23,878 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1307, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1339, PETRI_PLACES=540, PETRI_TRANSITIONS=544} [2024-11-16 23:43:23,878 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -1 predicate places. [2024-11-16 23:43:23,878 INFO L471 AbstractCegarLoop]: Abstraction has has 540 places, 544 transitions, 1339 flow [2024-11-16 23:43:23,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 546.6666666666666) internal successors, (1640), 3 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states 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 23:43:23,879 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:23,879 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:23,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 23:43:23,879 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:23,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:23,880 INFO L85 PathProgramCache]: Analyzing trace with hash 84271535, now seen corresponding path program 1 times [2024-11-16 23:43:23,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:23,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935254021] [2024-11-16 23:43:23,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:23,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:24,108 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-16 23:43:24,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:24,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935254021] [2024-11-16 23:43:24,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935254021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:24,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:24,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:43:24,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053434677] [2024-11-16 23:43:24,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:24,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:43:24,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:24,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:43:24,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:43:24,151 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 586 [2024-11-16 23:43:24,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 544 transitions, 1339 flow. Second operand has 4 states, 4 states have (on average 550.5) internal successors, (2202), 4 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states 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 23:43:24,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:24,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 586 [2024-11-16 23:43:24,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:25,253 INFO L124 PetriNetUnfolderBase]: 197/5006 cut-off events. [2024-11-16 23:43:25,253 INFO L125 PetriNetUnfolderBase]: For 145/352 co-relation queries the response was YES. [2024-11-16 23:43:25,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5722 conditions, 5006 events. 197/5006 cut-off events. For 145/352 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 40552 event pairs, 45 based on Foata normal form. 4/4449 useless extension candidates. Maximal degree in co-relation 5704. Up to 105 conditions per place. [2024-11-16 23:43:25,318 INFO L140 encePairwiseOnDemand]: 581/586 looper letters, 25 selfloop transitions, 4 changer transitions 0/558 dead transitions. [2024-11-16 23:43:25,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 558 transitions, 1433 flow [2024-11-16 23:43:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:43:25,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:43:25,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2775 transitions. [2024-11-16 23:43:25,322 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.947098976109215 [2024-11-16 23:43:25,322 INFO L175 Difference]: Start difference. First operand has 540 places, 544 transitions, 1339 flow. Second operand 5 states and 2775 transitions. [2024-11-16 23:43:25,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 558 transitions, 1433 flow [2024-11-16 23:43:25,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 558 transitions, 1423 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:25,333 INFO L231 Difference]: Finished difference. Result has 545 places, 546 transitions, 1354 flow [2024-11-16 23:43:25,333 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1325, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1354, PETRI_PLACES=545, PETRI_TRANSITIONS=546} [2024-11-16 23:43:25,334 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 4 predicate places. [2024-11-16 23:43:25,334 INFO L471 AbstractCegarLoop]: Abstraction has has 545 places, 546 transitions, 1354 flow [2024-11-16 23:43:25,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 550.5) internal successors, (2202), 4 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states 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 23:43:25,335 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:25,335 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:25,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 23:43:25,335 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:25,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:25,336 INFO L85 PathProgramCache]: Analyzing trace with hash 233051891, now seen corresponding path program 1 times [2024-11-16 23:43:25,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:25,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047854087] [2024-11-16 23:43:25,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:25,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-16 23:43:25,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:25,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047854087] [2024-11-16 23:43:25,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047854087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:43:25,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249148501] [2024-11-16 23:43:25,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:25,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:43:25,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:43:25,688 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:43:25,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 23:43:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:25,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-16 23:43:25,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:43:26,175 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-16 23:43:26,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:43:26,341 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-16 23:43:26,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249148501] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:43:26,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:43:26,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-16 23:43:26,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446749955] [2024-11-16 23:43:26,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:43:26,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-16 23:43:26,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:26,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-16 23:43:26,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-16 23:43:27,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 521 out of 586 [2024-11-16 23:43:27,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 546 transitions, 1354 flow. Second operand has 22 states, 22 states have (on average 524.1363636363636) internal successors, (11531), 22 states have internal predecessors, (11531), 0 states have call successors, (0), 0 states 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 23:43:27,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:27,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 521 of 586 [2024-11-16 23:43:27,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:27,838 INFO L124 PetriNetUnfolderBase]: 58/2491 cut-off events. [2024-11-16 23:43:27,838 INFO L125 PetriNetUnfolderBase]: For 141/160 co-relation queries the response was YES. [2024-11-16 23:43:27,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2947 conditions, 2491 events. 58/2491 cut-off events. For 141/160 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 14525 event pairs, 7 based on Foata normal form. 6/2267 useless extension candidates. Maximal degree in co-relation 2927. Up to 44 conditions per place. [2024-11-16 23:43:27,890 INFO L140 encePairwiseOnDemand]: 556/586 looper letters, 36 selfloop transitions, 57 changer transitions 0/576 dead transitions. [2024-11-16 23:43:27,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 576 transitions, 1684 flow [2024-11-16 23:43:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 23:43:27,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-16 23:43:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 8956 transitions. [2024-11-16 23:43:27,901 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8990162617948203 [2024-11-16 23:43:27,901 INFO L175 Difference]: Start difference. First operand has 545 places, 546 transitions, 1354 flow. Second operand 17 states and 8956 transitions. [2024-11-16 23:43:27,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 576 transitions, 1684 flow [2024-11-16 23:43:27,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 576 transitions, 1684 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:27,911 INFO L231 Difference]: Finished difference. Result has 564 places, 567 transitions, 1630 flow [2024-11-16 23:43:27,912 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1354, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1630, PETRI_PLACES=564, PETRI_TRANSITIONS=567} [2024-11-16 23:43:27,912 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 23 predicate places. [2024-11-16 23:43:27,912 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 567 transitions, 1630 flow [2024-11-16 23:43:27,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 524.1363636363636) internal successors, (11531), 22 states have internal predecessors, (11531), 0 states have call successors, (0), 0 states 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 23:43:27,915 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:27,915 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:27,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 23:43:28,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:43:28,116 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:28,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:28,117 INFO L85 PathProgramCache]: Analyzing trace with hash 922908469, now seen corresponding path program 2 times [2024-11-16 23:43:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:28,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453575703] [2024-11-16 23:43:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:43:29,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:29,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453575703] [2024-11-16 23:43:29,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453575703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:29,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:29,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:29,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634405101] [2024-11-16 23:43:29,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:29,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:29,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:29,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:29,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:43:29,788 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 586 [2024-11-16 23:43:29,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 567 transitions, 1630 flow. Second operand has 6 states, 6 states have (on average 538.6666666666666) internal successors, (3232), 6 states have internal predecessors, (3232), 0 states have call successors, (0), 0 states 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 23:43:29,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:29,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 586 [2024-11-16 23:43:29,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:30,860 INFO L124 PetriNetUnfolderBase]: 153/3943 cut-off events. [2024-11-16 23:43:30,861 INFO L125 PetriNetUnfolderBase]: For 218/456 co-relation queries the response was YES. [2024-11-16 23:43:30,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4725 conditions, 3943 events. 153/3943 cut-off events. For 218/456 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 27584 event pairs, 17 based on Foata normal form. 16/3559 useless extension candidates. Maximal degree in co-relation 4701. Up to 139 conditions per place. [2024-11-16 23:43:30,942 INFO L140 encePairwiseOnDemand]: 580/586 looper letters, 30 selfloop transitions, 6 changer transitions 0/574 dead transitions. [2024-11-16 23:43:30,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 574 transitions, 1724 flow [2024-11-16 23:43:30,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:30,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3246 transitions. [2024-11-16 23:43:30,946 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9232081911262798 [2024-11-16 23:43:30,946 INFO L175 Difference]: Start difference. First operand has 564 places, 567 transitions, 1630 flow. Second operand 6 states and 3246 transitions. [2024-11-16 23:43:30,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 574 transitions, 1724 flow [2024-11-16 23:43:30,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 574 transitions, 1646 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-16 23:43:30,957 INFO L231 Difference]: Finished difference. Result has 560 places, 566 transitions, 1562 flow [2024-11-16 23:43:30,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1550, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1562, PETRI_PLACES=560, PETRI_TRANSITIONS=566} [2024-11-16 23:43:30,958 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 19 predicate places. [2024-11-16 23:43:30,959 INFO L471 AbstractCegarLoop]: Abstraction has has 560 places, 566 transitions, 1562 flow [2024-11-16 23:43:30,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 538.6666666666666) internal successors, (3232), 6 states have internal predecessors, (3232), 0 states have call successors, (0), 0 states 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 23:43:30,959 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:30,960 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:30,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 23:43:30,960 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:30,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:30,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1676782997, now seen corresponding path program 1 times [2024-11-16 23:43:30,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:30,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484701795] [2024-11-16 23:43:30,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:30,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:31,135 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:43:31,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:31,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484701795] [2024-11-16 23:43:31,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484701795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:31,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:31,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:31,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103504396] [2024-11-16 23:43:31,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:31,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:31,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:31,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:31,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:31,182 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-16 23:43:31,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 566 transitions, 1562 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:31,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:31,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-16 23:43:31,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:32,969 INFO L124 PetriNetUnfolderBase]: 293/6777 cut-off events. [2024-11-16 23:43:32,969 INFO L125 PetriNetUnfolderBase]: For 289/822 co-relation queries the response was YES. [2024-11-16 23:43:33,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7790 conditions, 6777 events. 293/6777 cut-off events. For 289/822 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 61526 event pairs, 86 based on Foata normal form. 7/6006 useless extension candidates. Maximal degree in co-relation 7766. Up to 213 conditions per place. [2024-11-16 23:43:33,063 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 17 selfloop transitions, 2 changer transitions 0/567 dead transitions. [2024-11-16 23:43:33,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 567 transitions, 1604 flow [2024-11-16 23:43:33,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:33,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1659 transitions. [2024-11-16 23:43:33,065 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9436860068259386 [2024-11-16 23:43:33,065 INFO L175 Difference]: Start difference. First operand has 560 places, 566 transitions, 1562 flow. Second operand 3 states and 1659 transitions. [2024-11-16 23:43:33,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 567 transitions, 1604 flow [2024-11-16 23:43:33,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 567 transitions, 1592 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:33,075 INFO L231 Difference]: Finished difference. Result has 556 places, 565 transitions, 1552 flow [2024-11-16 23:43:33,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1548, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1552, PETRI_PLACES=556, PETRI_TRANSITIONS=565} [2024-11-16 23:43:33,076 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 15 predicate places. [2024-11-16 23:43:33,077 INFO L471 AbstractCegarLoop]: Abstraction has has 556 places, 565 transitions, 1552 flow [2024-11-16 23:43:33,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:43:33,077 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:33,078 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:33,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 23:43:33,078 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:33,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:33,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1858769830, now seen corresponding path program 1 times [2024-11-16 23:43:33,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:33,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481103872] [2024-11-16 23:43:33,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:33,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:43:33,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:33,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481103872] [2024-11-16 23:43:33,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481103872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:33,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:33,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:33,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349619318] [2024-11-16 23:43:33,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:33,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:33,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:33,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:33,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:33,230 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 545 out of 586 [2024-11-16 23:43:33,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 565 transitions, 1552 flow. Second operand has 3 states, 3 states have (on average 547.0) internal successors, (1641), 3 states have internal predecessors, (1641), 0 states have call successors, (0), 0 states 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 23:43:33,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:33,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 545 of 586 [2024-11-16 23:43:33,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:34,655 INFO L124 PetriNetUnfolderBase]: 344/6112 cut-off events. [2024-11-16 23:43:34,655 INFO L125 PetriNetUnfolderBase]: For 331/374 co-relation queries the response was YES. [2024-11-16 23:43:34,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7154 conditions, 6112 events. 344/6112 cut-off events. For 331/374 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 55137 event pairs, 84 based on Foata normal form. 24/5422 useless extension candidates. Maximal degree in co-relation 7130. Up to 316 conditions per place. [2024-11-16 23:43:34,745 INFO L140 encePairwiseOnDemand]: 578/586 looper letters, 13 selfloop transitions, 4 changer transitions 12/567 dead transitions. [2024-11-16 23:43:34,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 567 transitions, 1596 flow [2024-11-16 23:43:34,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:34,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1657 transitions. [2024-11-16 23:43:34,748 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425483503981797 [2024-11-16 23:43:34,748 INFO L175 Difference]: Start difference. First operand has 556 places, 565 transitions, 1552 flow. Second operand 3 states and 1657 transitions. [2024-11-16 23:43:34,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 567 transitions, 1596 flow [2024-11-16 23:43:34,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 567 transitions, 1592 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:34,757 INFO L231 Difference]: Finished difference. Result has 555 places, 553 transitions, 1541 flow [2024-11-16 23:43:34,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=551, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1541, PETRI_PLACES=555, PETRI_TRANSITIONS=553} [2024-11-16 23:43:34,758 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 14 predicate places. [2024-11-16 23:43:34,758 INFO L471 AbstractCegarLoop]: Abstraction has has 555 places, 553 transitions, 1541 flow [2024-11-16 23:43:34,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.0) internal successors, (1641), 3 states have internal predecessors, (1641), 0 states have call successors, (0), 0 states 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 23:43:34,759 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:34,759 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:34,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 23:43:34,759 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:34,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:34,760 INFO L85 PathProgramCache]: Analyzing trace with hash -95699754, now seen corresponding path program 1 times [2024-11-16 23:43:34,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:34,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141913103] [2024-11-16 23:43:34,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:34,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:35,916 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:43:35,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:35,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141913103] [2024-11-16 23:43:35,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141913103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:35,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:35,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:35,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643799749] [2024-11-16 23:43:35,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:35,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:35,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:35,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:35,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:43:36,242 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 586 [2024-11-16 23:43:36,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 555 places, 553 transitions, 1541 flow. Second operand has 6 states, 6 states have (on average 538.5) internal successors, (3231), 6 states have internal predecessors, (3231), 0 states have call successors, (0), 0 states 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 23:43:36,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:36,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 586 [2024-11-16 23:43:36,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:37,322 INFO L124 PetriNetUnfolderBase]: 160/4474 cut-off events. [2024-11-16 23:43:37,322 INFO L125 PetriNetUnfolderBase]: For 235/274 co-relation queries the response was YES. [2024-11-16 23:43:37,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5512 conditions, 4474 events. 160/4474 cut-off events. For 235/274 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 32917 event pairs, 22 based on Foata normal form. 8/4111 useless extension candidates. Maximal degree in co-relation 5487. Up to 126 conditions per place. [2024-11-16 23:43:37,380 INFO L140 encePairwiseOnDemand]: 580/586 looper letters, 29 selfloop transitions, 6 changer transitions 0/560 dead transitions. [2024-11-16 23:43:37,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 560 transitions, 1633 flow [2024-11-16 23:43:37,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:37,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:37,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3245 transitions. [2024-11-16 23:43:37,382 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9229237770193401 [2024-11-16 23:43:37,383 INFO L175 Difference]: Start difference. First operand has 555 places, 553 transitions, 1541 flow. Second operand 6 states and 3245 transitions. [2024-11-16 23:43:37,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 560 transitions, 1633 flow [2024-11-16 23:43:37,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 560 transitions, 1625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:37,394 INFO L231 Difference]: Finished difference. Result has 546 places, 552 transitions, 1543 flow [2024-11-16 23:43:37,395 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1531, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1543, PETRI_PLACES=546, PETRI_TRANSITIONS=552} [2024-11-16 23:43:37,396 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 5 predicate places. [2024-11-16 23:43:37,396 INFO L471 AbstractCegarLoop]: Abstraction has has 546 places, 552 transitions, 1543 flow [2024-11-16 23:43:37,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 538.5) internal successors, (3231), 6 states have internal predecessors, (3231), 0 states have call successors, (0), 0 states 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 23:43:37,397 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:37,397 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:37,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 23:43:37,398 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:37,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:37,398 INFO L85 PathProgramCache]: Analyzing trace with hash -2143149961, now seen corresponding path program 1 times [2024-11-16 23:43:37,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:37,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017212545] [2024-11-16 23:43:37,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:37,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:43:37,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:37,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017212545] [2024-11-16 23:43:37,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017212545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:37,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:37,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:37,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794531633] [2024-11-16 23:43:37,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:37,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:37,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:37,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:37,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:37,564 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 586 [2024-11-16 23:43:37,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 552 transitions, 1543 flow. Second operand has 3 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states 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 23:43:37,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:37,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 586 [2024-11-16 23:43:37,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:39,941 INFO L124 PetriNetUnfolderBase]: 480/10496 cut-off events. [2024-11-16 23:43:39,941 INFO L125 PetriNetUnfolderBase]: For 310/327 co-relation queries the response was YES. [2024-11-16 23:43:40,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12162 conditions, 10496 events. 480/10496 cut-off events. For 310/327 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 107902 event pairs, 141 based on Foata normal form. 1/9519 useless extension candidates. Maximal degree in co-relation 12137. Up to 573 conditions per place. [2024-11-16 23:43:40,078 INFO L140 encePairwiseOnDemand]: 582/586 looper letters, 13 selfloop transitions, 2 changer transitions 0/555 dead transitions. [2024-11-16 23:43:40,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 555 transitions, 1582 flow [2024-11-16 23:43:40,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:40,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:40,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2024-11-16 23:43:40,081 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9482366325369739 [2024-11-16 23:43:40,081 INFO L175 Difference]: Start difference. First operand has 546 places, 552 transitions, 1543 flow. Second operand 3 states and 1667 transitions. [2024-11-16 23:43:40,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 555 transitions, 1582 flow [2024-11-16 23:43:40,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 555 transitions, 1570 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:40,092 INFO L231 Difference]: Finished difference. Result has 542 places, 552 transitions, 1541 flow [2024-11-16 23:43:40,093 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1527, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=548, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1541, PETRI_PLACES=542, PETRI_TRANSITIONS=552} [2024-11-16 23:43:40,093 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 1 predicate places. [2024-11-16 23:43:40,094 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 552 transitions, 1541 flow [2024-11-16 23:43:40,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states 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 23:43:40,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:40,095 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:40,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 23:43:40,095 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:40,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:40,095 INFO L85 PathProgramCache]: Analyzing trace with hash -370347222, now seen corresponding path program 1 times [2024-11-16 23:43:40,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:40,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917772385] [2024-11-16 23:43:40,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:40,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:43:40,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:40,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917772385] [2024-11-16 23:43:40,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917772385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:40,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:40,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:43:40,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224279707] [2024-11-16 23:43:40,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:40,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:43:40,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:40,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:43:40,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:43:40,322 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 586 [2024-11-16 23:43:40,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 552 transitions, 1541 flow. Second operand has 4 states, 4 states have (on average 550.75) internal successors, (2203), 4 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states 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 23:43:40,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:40,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 586 [2024-11-16 23:43:40,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:42,878 INFO L124 PetriNetUnfolderBase]: 464/9042 cut-off events. [2024-11-16 23:43:42,878 INFO L125 PetriNetUnfolderBase]: For 462/499 co-relation queries the response was YES. [2024-11-16 23:43:43,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10972 conditions, 9042 events. 464/9042 cut-off events. For 462/499 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 95229 event pairs, 188 based on Foata normal form. 0/8102 useless extension candidates. Maximal degree in co-relation 10947. Up to 519 conditions per place. [2024-11-16 23:43:43,049 INFO L140 encePairwiseOnDemand]: 581/586 looper letters, 20 selfloop transitions, 4 changer transitions 0/562 dead transitions. [2024-11-16 23:43:43,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 562 transitions, 1613 flow [2024-11-16 23:43:43,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:43:43,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:43:43,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2770 transitions. [2024-11-16 23:43:43,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453924914675768 [2024-11-16 23:43:43,054 INFO L175 Difference]: Start difference. First operand has 542 places, 552 transitions, 1541 flow. Second operand 5 states and 2770 transitions. [2024-11-16 23:43:43,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 562 transitions, 1613 flow [2024-11-16 23:43:43,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 562 transitions, 1613 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:43,067 INFO L231 Difference]: Finished difference. Result has 549 places, 554 transitions, 1566 flow [2024-11-16 23:43:43,068 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1537, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1566, PETRI_PLACES=549, PETRI_TRANSITIONS=554} [2024-11-16 23:43:43,069 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 8 predicate places. [2024-11-16 23:43:43,069 INFO L471 AbstractCegarLoop]: Abstraction has has 549 places, 554 transitions, 1566 flow [2024-11-16 23:43:43,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 550.75) internal successors, (2203), 4 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states 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 23:43:43,070 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:43,070 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:43,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 23:43:43,070 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:43,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:43,071 INFO L85 PathProgramCache]: Analyzing trace with hash -2109998802, now seen corresponding path program 1 times [2024-11-16 23:43:43,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:43,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010550886] [2024-11-16 23:43:43,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:43,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:43,227 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:43:43,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:43,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010550886] [2024-11-16 23:43:43,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010550886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:43,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:43,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:43,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684620854] [2024-11-16 23:43:43,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:43,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:43,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:43,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:43,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:43,259 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-16 23:43:43,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 554 transitions, 1566 flow. Second operand has 3 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states 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 23:43:43,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:43,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-16 23:43:43,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:45,410 INFO L124 PetriNetUnfolderBase]: 676/8936 cut-off events. [2024-11-16 23:43:45,411 INFO L125 PetriNetUnfolderBase]: For 1034/1075 co-relation queries the response was YES. [2024-11-16 23:43:45,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11781 conditions, 8936 events. 676/8936 cut-off events. For 1034/1075 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 96090 event pairs, 366 based on Foata normal form. 0/8107 useless extension candidates. Maximal degree in co-relation 11753. Up to 936 conditions per place. [2024-11-16 23:43:45,574 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 14 selfloop transitions, 2 changer transitions 1/555 dead transitions. [2024-11-16 23:43:45,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 555 transitions, 1604 flow [2024-11-16 23:43:45,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:45,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1657 transitions. [2024-11-16 23:43:45,577 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425483503981797 [2024-11-16 23:43:45,577 INFO L175 Difference]: Start difference. First operand has 549 places, 554 transitions, 1566 flow. Second operand 3 states and 1657 transitions. [2024-11-16 23:43:45,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 555 transitions, 1604 flow [2024-11-16 23:43:45,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 555 transitions, 1604 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:45,589 INFO L231 Difference]: Finished difference. Result has 550 places, 553 transitions, 1568 flow [2024-11-16 23:43:45,589 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1564, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1568, PETRI_PLACES=550, PETRI_TRANSITIONS=553} [2024-11-16 23:43:45,590 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 9 predicate places. [2024-11-16 23:43:45,590 INFO L471 AbstractCegarLoop]: Abstraction has has 550 places, 553 transitions, 1568 flow [2024-11-16 23:43:45,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states 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 23:43:45,591 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:45,591 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:45,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-16 23:43:45,591 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:45,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:45,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1431093966, now seen corresponding path program 1 times [2024-11-16 23:43:45,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:45,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849647297] [2024-11-16 23:43:45,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:45,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:46,619 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:43:46,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:46,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849647297] [2024-11-16 23:43:46,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849647297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:46,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:46,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:46,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008400613] [2024-11-16 23:43:46,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:46,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:46,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:46,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:46,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:43:46,880 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 586 [2024-11-16 23:43:46,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 553 transitions, 1568 flow. Second operand has 6 states, 6 states have (on average 538.8333333333334) internal successors, (3233), 6 states have internal predecessors, (3233), 0 states have call successors, (0), 0 states 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 23:43:46,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:46,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 586 [2024-11-16 23:43:46,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:48,952 INFO L124 PetriNetUnfolderBase]: 462/8679 cut-off events. [2024-11-16 23:43:48,953 INFO L125 PetriNetUnfolderBase]: For 852/903 co-relation queries the response was YES. [2024-11-16 23:43:49,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11331 conditions, 8679 events. 462/8679 cut-off events. For 852/903 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 90430 event pairs, 78 based on Foata normal form. 0/8081 useless extension candidates. Maximal degree in co-relation 11302. Up to 282 conditions per place. [2024-11-16 23:43:49,116 INFO L140 encePairwiseOnDemand]: 580/586 looper letters, 29 selfloop transitions, 6 changer transitions 0/560 dead transitions. [2024-11-16 23:43:49,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 560 transitions, 1660 flow [2024-11-16 23:43:49,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:49,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3245 transitions. [2024-11-16 23:43:49,119 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9229237770193401 [2024-11-16 23:43:49,119 INFO L175 Difference]: Start difference. First operand has 550 places, 553 transitions, 1568 flow. Second operand 6 states and 3245 transitions. [2024-11-16 23:43:49,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 560 transitions, 1660 flow [2024-11-16 23:43:49,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 560 transitions, 1656 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:49,136 INFO L231 Difference]: Finished difference. Result has 552 places, 552 transitions, 1574 flow [2024-11-16 23:43:49,137 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1562, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1574, PETRI_PLACES=552, PETRI_TRANSITIONS=552} [2024-11-16 23:43:49,137 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 11 predicate places. [2024-11-16 23:43:49,137 INFO L471 AbstractCegarLoop]: Abstraction has has 552 places, 552 transitions, 1574 flow [2024-11-16 23:43:49,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 538.8333333333334) internal successors, (3233), 6 states have internal predecessors, (3233), 0 states have call successors, (0), 0 states 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 23:43:49,139 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:49,139 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:49,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-16 23:43:49,140 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:49,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:49,140 INFO L85 PathProgramCache]: Analyzing trace with hash 546988090, now seen corresponding path program 1 times [2024-11-16 23:43:49,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:49,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838525899] [2024-11-16 23:43:49,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:49,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:43:50,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:50,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838525899] [2024-11-16 23:43:50,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838525899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:50,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:50,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:50,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210066779] [2024-11-16 23:43:50,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:50,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:50,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:50,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:50,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:43:50,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 586 [2024-11-16 23:43:50,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 552 transitions, 1574 flow. Second operand has 6 states, 6 states have (on average 538.6666666666666) internal successors, (3232), 6 states have internal predecessors, (3232), 0 states have call successors, (0), 0 states 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 23:43:50,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:50,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 586 [2024-11-16 23:43:50,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:52,237 INFO L124 PetriNetUnfolderBase]: 216/6534 cut-off events. [2024-11-16 23:43:52,237 INFO L125 PetriNetUnfolderBase]: For 381/463 co-relation queries the response was YES. [2024-11-16 23:43:52,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8264 conditions, 6534 events. 216/6534 cut-off events. For 381/463 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 55529 event pairs, 39 based on Foata normal form. 2/6145 useless extension candidates. Maximal degree in co-relation 8235. Up to 152 conditions per place. [2024-11-16 23:43:52,342 INFO L140 encePairwiseOnDemand]: 580/586 looper letters, 29 selfloop transitions, 6 changer transitions 0/559 dead transitions. [2024-11-16 23:43:52,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 559 transitions, 1666 flow [2024-11-16 23:43:52,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:52,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3245 transitions. [2024-11-16 23:43:52,345 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9229237770193401 [2024-11-16 23:43:52,345 INFO L175 Difference]: Start difference. First operand has 552 places, 552 transitions, 1574 flow. Second operand 6 states and 3245 transitions. [2024-11-16 23:43:52,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 559 transitions, 1666 flow [2024-11-16 23:43:52,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 559 transitions, 1654 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:52,356 INFO L231 Difference]: Finished difference. Result has 551 places, 551 transitions, 1572 flow [2024-11-16 23:43:52,356 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1560, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1572, PETRI_PLACES=551, PETRI_TRANSITIONS=551} [2024-11-16 23:43:52,357 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 10 predicate places. [2024-11-16 23:43:52,357 INFO L471 AbstractCegarLoop]: Abstraction has has 551 places, 551 transitions, 1572 flow [2024-11-16 23:43:52,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 538.6666666666666) internal successors, (3232), 6 states have internal predecessors, (3232), 0 states have call successors, (0), 0 states 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 23:43:52,358 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:52,358 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:52,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-16 23:43:52,358 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:52,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:52,359 INFO L85 PathProgramCache]: Analyzing trace with hash 88049491, now seen corresponding path program 1 times [2024-11-16 23:43:52,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:52,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124473945] [2024-11-16 23:43:52,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:52,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:53,315 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:43:53,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:53,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124473945] [2024-11-16 23:43:53,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124473945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:53,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:53,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:53,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564221299] [2024-11-16 23:43:53,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:53,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:53,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:53,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:53,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:43:53,663 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 586 [2024-11-16 23:43:53,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 551 transitions, 1572 flow. Second operand has 6 states, 6 states have (on average 538.8333333333334) internal successors, (3233), 6 states have internal predecessors, (3233), 0 states have call successors, (0), 0 states 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 23:43:53,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:53,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 586 [2024-11-16 23:43:53,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:55,749 INFO L124 PetriNetUnfolderBase]: 512/8755 cut-off events. [2024-11-16 23:43:55,749 INFO L125 PetriNetUnfolderBase]: For 811/852 co-relation queries the response was YES. [2024-11-16 23:43:55,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11360 conditions, 8755 events. 512/8755 cut-off events. For 811/852 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 91200 event pairs, 76 based on Foata normal form. 8/8224 useless extension candidates. Maximal degree in co-relation 11331. Up to 320 conditions per place. [2024-11-16 23:43:55,906 INFO L140 encePairwiseOnDemand]: 580/586 looper letters, 29 selfloop transitions, 6 changer transitions 0/558 dead transitions. [2024-11-16 23:43:55,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 558 transitions, 1664 flow [2024-11-16 23:43:55,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3245 transitions. [2024-11-16 23:43:55,908 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9229237770193401 [2024-11-16 23:43:55,908 INFO L175 Difference]: Start difference. First operand has 551 places, 551 transitions, 1572 flow. Second operand 6 states and 3245 transitions. [2024-11-16 23:43:55,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 558 transitions, 1664 flow [2024-11-16 23:43:55,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 558 transitions, 1652 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:55,917 INFO L231 Difference]: Finished difference. Result has 550 places, 550 transitions, 1570 flow [2024-11-16 23:43:55,918 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1558, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1570, PETRI_PLACES=550, PETRI_TRANSITIONS=550} [2024-11-16 23:43:55,919 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 9 predicate places. [2024-11-16 23:43:55,919 INFO L471 AbstractCegarLoop]: Abstraction has has 550 places, 550 transitions, 1570 flow [2024-11-16 23:43:55,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 538.8333333333334) internal successors, (3233), 6 states have internal predecessors, (3233), 0 states have call successors, (0), 0 states 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 23:43:55,919 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:55,920 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:55,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-16 23:43:55,920 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:55,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:55,920 INFO L85 PathProgramCache]: Analyzing trace with hash -509982363, now seen corresponding path program 1 times [2024-11-16 23:43:55,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:55,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811892892] [2024-11-16 23:43:55,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:55,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:56,048 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:43:56,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:56,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811892892] [2024-11-16 23:43:56,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811892892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:56,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:56,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:56,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867032497] [2024-11-16 23:43:56,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:56,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:56,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:56,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:56,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:56,074 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-16 23:43:56,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 550 transitions, 1570 flow. Second operand has 3 states, 3 states have (on average 548.6666666666666) internal successors, (1646), 3 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states 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 23:43:56,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:56,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-16 23:43:56,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:57,881 INFO L124 PetriNetUnfolderBase]: 226/8066 cut-off events. [2024-11-16 23:43:57,881 INFO L125 PetriNetUnfolderBase]: For 406/632 co-relation queries the response was YES. [2024-11-16 23:43:58,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10321 conditions, 8066 events. 226/8066 cut-off events. For 406/632 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 74451 event pairs, 84 based on Foata normal form. 10/7735 useless extension candidates. Maximal degree in co-relation 10292. Up to 301 conditions per place. [2024-11-16 23:43:58,018 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 14 selfloop transitions, 3 changer transitions 0/551 dead transitions. [2024-11-16 23:43:58,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 551 transitions, 1608 flow [2024-11-16 23:43:58,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:58,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1657 transitions. [2024-11-16 23:43:58,019 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425483503981797 [2024-11-16 23:43:58,019 INFO L175 Difference]: Start difference. First operand has 550 places, 550 transitions, 1570 flow. Second operand 3 states and 1657 transitions. [2024-11-16 23:43:58,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 551 transitions, 1608 flow [2024-11-16 23:43:58,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 551 transitions, 1596 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:58,029 INFO L231 Difference]: Finished difference. Result has 546 places, 549 transitions, 1562 flow [2024-11-16 23:43:58,030 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1556, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1562, PETRI_PLACES=546, PETRI_TRANSITIONS=549} [2024-11-16 23:43:58,030 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 5 predicate places. [2024-11-16 23:43:58,030 INFO L471 AbstractCegarLoop]: Abstraction has has 546 places, 549 transitions, 1562 flow [2024-11-16 23:43:58,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 548.6666666666666) internal successors, (1646), 3 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states 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 23:43:58,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:58,031 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:58,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-16 23:43:58,031 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:43:58,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:58,031 INFO L85 PathProgramCache]: Analyzing trace with hash -329682327, now seen corresponding path program 1 times [2024-11-16 23:43:58,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:58,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785418917] [2024-11-16 23:43:58,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:58,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:58,159 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:43:58,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:58,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785418917] [2024-11-16 23:43:58,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785418917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:58,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:58,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:58,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221138010] [2024-11-16 23:43:58,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:58,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:58,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:58,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:58,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:58,187 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-16 23:43:58,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 549 transitions, 1562 flow. Second operand has 3 states, 3 states have (on average 549.0) internal successors, (1647), 3 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states 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 23:43:58,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:58,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-16 23:43:58,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:00,307 INFO L124 PetriNetUnfolderBase]: 325/8506 cut-off events. [2024-11-16 23:44:00,307 INFO L125 PetriNetUnfolderBase]: For 482/619 co-relation queries the response was YES. [2024-11-16 23:44:00,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10576 conditions, 8506 events. 325/8506 cut-off events. For 482/619 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 81250 event pairs, 166 based on Foata normal form. 0/8084 useless extension candidates. Maximal degree in co-relation 10547. Up to 367 conditions per place. [2024-11-16 23:44:00,504 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 14 selfloop transitions, 3 changer transitions 0/550 dead transitions. [2024-11-16 23:44:00,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 550 transitions, 1600 flow [2024-11-16 23:44:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:00,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1657 transitions. [2024-11-16 23:44:00,506 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425483503981797 [2024-11-16 23:44:00,506 INFO L175 Difference]: Start difference. First operand has 546 places, 549 transitions, 1562 flow. Second operand 3 states and 1657 transitions. [2024-11-16 23:44:00,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 550 transitions, 1600 flow [2024-11-16 23:44:00,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 550 transitions, 1594 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:00,515 INFO L231 Difference]: Finished difference. Result has 545 places, 548 transitions, 1560 flow [2024-11-16 23:44:00,515 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1554, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1560, PETRI_PLACES=545, PETRI_TRANSITIONS=548} [2024-11-16 23:44:00,515 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 4 predicate places. [2024-11-16 23:44:00,515 INFO L471 AbstractCegarLoop]: Abstraction has has 545 places, 548 transitions, 1560 flow [2024-11-16 23:44:00,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.0) internal successors, (1647), 3 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states 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 23:44:00,516 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:00,516 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:00,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-16 23:44:00,516 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-16 23:44:00,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:00,517 INFO L85 PathProgramCache]: Analyzing trace with hash -674089246, now seen corresponding path program 1 times [2024-11-16 23:44:00,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:00,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885527980] [2024-11-16 23:44:00,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:00,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:00,642 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-16 23:44:00,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:00,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885527980] [2024-11-16 23:44:00,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885527980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:00,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:00,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:00,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058469790] [2024-11-16 23:44:00,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:00,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:00,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:00,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:00,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:00,669 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-16 23:44:00,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 548 transitions, 1560 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:44:00,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:00,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-16 23:44:00,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:02,685 INFO L124 PetriNetUnfolderBase]: 620/8774 cut-off events. [2024-11-16 23:44:02,686 INFO L125 PetriNetUnfolderBase]: For 922/951 co-relation queries the response was YES. [2024-11-16 23:44:02,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11526 conditions, 8774 events. 620/8774 cut-off events. For 922/951 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 94223 event pairs, 344 based on Foata normal form. 0/8260 useless extension candidates. Maximal degree in co-relation 11497. Up to 890 conditions per place. [2024-11-16 23:44:02,781 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 0 selfloop transitions, 0 changer transitions 549/549 dead transitions. [2024-11-16 23:44:02,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 549 transitions, 1598 flow [2024-11-16 23:44:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:02,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1657 transitions. [2024-11-16 23:44:02,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425483503981797 [2024-11-16 23:44:02,782 INFO L175 Difference]: Start difference. First operand has 545 places, 548 transitions, 1560 flow. Second operand 3 states and 1657 transitions. [2024-11-16 23:44:02,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 549 transitions, 1598 flow [2024-11-16 23:44:02,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 549 transitions, 1592 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:02,789 INFO L231 Difference]: Finished difference. Result has 544 places, 0 transitions, 0 flow [2024-11-16 23:44:02,789 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=586, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=544, PETRI_TRANSITIONS=0} [2024-11-16 23:44:02,789 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 3 predicate places. [2024-11-16 23:44:02,789 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 0 transitions, 0 flow [2024-11-16 23:44:02,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states 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 23:44:02,792 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (80 of 81 remaining) [2024-11-16 23:44:02,792 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (79 of 81 remaining) [2024-11-16 23:44:02,792 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (78 of 81 remaining) [2024-11-16 23:44:02,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (77 of 81 remaining) [2024-11-16 23:44:02,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (76 of 81 remaining) [2024-11-16 23:44:02,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (75 of 81 remaining) [2024-11-16 23:44:02,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (74 of 81 remaining) [2024-11-16 23:44:02,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 81 remaining) [2024-11-16 23:44:02,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (72 of 81 remaining) [2024-11-16 23:44:02,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (71 of 81 remaining) [2024-11-16 23:44:02,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 81 remaining) [2024-11-16 23:44:02,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (69 of 81 remaining) [2024-11-16 23:44:02,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (68 of 81 remaining) [2024-11-16 23:44:02,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (67 of 81 remaining) [2024-11-16 23:44:02,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (66 of 81 remaining) [2024-11-16 23:44:02,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (65 of 81 remaining) [2024-11-16 23:44:02,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 81 remaining) [2024-11-16 23:44:02,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (63 of 81 remaining) [2024-11-16 23:44:02,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 81 remaining) [2024-11-16 23:44:02,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (61 of 81 remaining) [2024-11-16 23:44:02,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (60 of 81 remaining) [2024-11-16 23:44:02,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (59 of 81 remaining) [2024-11-16 23:44:02,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (58 of 81 remaining) [2024-11-16 23:44:02,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (57 of 81 remaining) [2024-11-16 23:44:02,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (56 of 81 remaining) [2024-11-16 23:44:02,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (55 of 81 remaining) [2024-11-16 23:44:02,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (54 of 81 remaining) [2024-11-16 23:44:02,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (53 of 81 remaining) [2024-11-16 23:44:02,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (52 of 81 remaining) [2024-11-16 23:44:02,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 81 remaining) [2024-11-16 23:44:02,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (50 of 81 remaining) [2024-11-16 23:44:02,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 81 remaining) [2024-11-16 23:44:02,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (48 of 81 remaining) [2024-11-16 23:44:02,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (47 of 81 remaining) [2024-11-16 23:44:02,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (46 of 81 remaining) [2024-11-16 23:44:02,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (45 of 81 remaining) [2024-11-16 23:44:02,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (44 of 81 remaining) [2024-11-16 23:44:02,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 81 remaining) [2024-11-16 23:44:02,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 81 remaining) [2024-11-16 23:44:02,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 81 remaining) [2024-11-16 23:44:02,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 81 remaining) [2024-11-16 23:44:02,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 81 remaining) [2024-11-16 23:44:02,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 81 remaining) [2024-11-16 23:44:02,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 81 remaining) [2024-11-16 23:44:02,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 81 remaining) [2024-11-16 23:44:02,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 81 remaining) [2024-11-16 23:44:02,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 81 remaining) [2024-11-16 23:44:02,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 81 remaining) [2024-11-16 23:44:02,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 81 remaining) [2024-11-16 23:44:02,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (31 of 81 remaining) [2024-11-16 23:44:02,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (30 of 81 remaining) [2024-11-16 23:44:02,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (29 of 81 remaining) [2024-11-16 23:44:02,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 81 remaining) [2024-11-16 23:44:02,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 81 remaining) [2024-11-16 23:44:02,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (26 of 81 remaining) [2024-11-16 23:44:02,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 81 remaining) [2024-11-16 23:44:02,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 81 remaining) [2024-11-16 23:44:02,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 81 remaining) [2024-11-16 23:44:02,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (22 of 81 remaining) [2024-11-16 23:44:02,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (21 of 81 remaining) [2024-11-16 23:44:02,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (20 of 81 remaining) [2024-11-16 23:44:02,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (19 of 81 remaining) [2024-11-16 23:44:02,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (18 of 81 remaining) [2024-11-16 23:44:02,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (17 of 81 remaining) [2024-11-16 23:44:02,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (16 of 81 remaining) [2024-11-16 23:44:02,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 81 remaining) [2024-11-16 23:44:02,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 81 remaining) [2024-11-16 23:44:02,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 81 remaining) [2024-11-16 23:44:02,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 81 remaining) [2024-11-16 23:44:02,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 81 remaining) [2024-11-16 23:44:02,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (10 of 81 remaining) [2024-11-16 23:44:02,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (9 of 81 remaining) [2024-11-16 23:44:02,801 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 81 remaining) [2024-11-16 23:44:02,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (7 of 81 remaining) [2024-11-16 23:44:02,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 81 remaining) [2024-11-16 23:44:02,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 81 remaining) [2024-11-16 23:44:02,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 81 remaining) [2024-11-16 23:44:02,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 81 remaining) [2024-11-16 23:44:02,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (2 of 81 remaining) [2024-11-16 23:44:02,802 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (1 of 81 remaining) [2024-11-16 23:44:02,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 81 remaining) [2024-11-16 23:44:02,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-16 23:44:02,806 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:02,813 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:44:02,813 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:44:02,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:44:02 BasicIcfg [2024-11-16 23:44:02,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:44:02,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:44:02,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:44:02,818 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:44:02,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:03" (3/4) ... [2024-11-16 23:44:02,820 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:44:02,824 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:44:02,824 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:44:02,824 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-16 23:44:02,830 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2024-11-16 23:44:02,831 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:44:02,831 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:44:02,831 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:44:02,926 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:44:02,927 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:44:02,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:44:02,928 INFO L158 Benchmark]: Toolchain (without parser) took 60641.42ms. Allocated memory was 161.5MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 125.1MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 926.8MB. Max. memory is 16.1GB. [2024-11-16 23:44:02,928 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:44:02,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.49ms. Allocated memory is still 161.5MB. Free memory was 125.1MB in the beginning and 109.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 23:44:02,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.19ms. Allocated memory is still 161.5MB. Free memory was 109.4MB in the beginning and 106.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:44:02,929 INFO L158 Benchmark]: Boogie Preprocessor took 60.05ms. Allocated memory is still 161.5MB. Free memory was 106.2MB in the beginning and 103.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:44:02,929 INFO L158 Benchmark]: IcfgBuilder took 956.24ms. Allocated memory is still 161.5MB. Free memory was 103.1MB in the beginning and 94.1MB in the end (delta: 9.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 23:44:02,929 INFO L158 Benchmark]: TraceAbstraction took 59136.30ms. Allocated memory was 161.5MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 93.1MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2024-11-16 23:44:02,930 INFO L158 Benchmark]: Witness Printer took 109.18ms. Allocated memory is still 4.7GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 23:44:02,931 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.49ms. Allocated memory is still 161.5MB. Free memory was 125.1MB in the beginning and 109.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.19ms. Allocated memory is still 161.5MB. Free memory was 109.4MB in the beginning and 106.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.05ms. Allocated memory is still 161.5MB. Free memory was 106.2MB in the beginning and 103.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 956.24ms. Allocated memory is still 161.5MB. Free memory was 103.1MB in the beginning and 94.1MB in the end (delta: 9.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 59136.30ms. Allocated memory was 161.5MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 93.1MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. * Witness Printer took 109.18ms. Allocated memory is still 4.7GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 857 locations, 81 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 58.9s, OverallIterations: 38, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 45.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3946 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2582 mSDsluCounter, 1385 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1072 mSDsCounter, 718 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6902 IncrementalHoareTripleChecker+Invalid, 7620 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 718 mSolverCounterUnsat, 313 mSDtfsCounter, 6902 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1569 GetRequests, 1434 SyntacticMatches, 5 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1630occurred in iteration=25, InterpolantAutomatonStates: 164, 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: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 11097 NumberOfCodeBlocks, 10953 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 11602 ConstructedInterpolants, 0 QuantifiedInterpolants, 14028 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1551 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 43 InterpolantComputations, 36 PerfectInterpolantSequences, 7890/8112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 45 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:44:02,966 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