./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 023d838f 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-023d838-m [2024-11-10 14:36:14,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:36:14,843 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:36:14,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:36:14,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:36:14,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:36:14,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:36:14,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:36:14,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:36:14,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:36:14,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:36:14,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:36:14,893 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:36:14,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:36:14,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:36:14,896 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:36:14,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:36:14,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:36:14,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:36:14,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:36:14,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:36:14,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:36:14,902 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:36:14,902 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:36:14,903 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:36:14,904 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:36:14,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:36:14,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:36:14,904 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:36:14,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:36:14,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:36:14,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:36:14,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:36:14,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:36:14,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:36:14,907 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:36:14,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:36:14,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:36:14,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:36:14,908 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:36:14,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:36:14,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 [2024-11-10 14:36:15,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:36:15,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:36:15,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:36:15,211 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:36:15,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:36:15,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-11-10 14:36:16,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:36:16,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:36:16,930 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-11-10 14:36:16,939 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a09128328/7ca4f38e40eb46fca9d94cb034835839/FLAGbda491b82 [2024-11-10 14:36:16,952 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a09128328/7ca4f38e40eb46fca9d94cb034835839 [2024-11-10 14:36:16,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:36:16,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:36:16,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:36:16,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:36:16,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:36:16,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:36:16" (1/1) ... [2024-11-10 14:36:16,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393160d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:16, skipping insertion in model container [2024-11-10 14:36:16,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:36:16" (1/1) ... [2024-11-10 14:36:16,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:36:17,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:36:17,268 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:36:17,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:36:17,359 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:36:17,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17 WrapperNode [2024-11-10 14:36:17,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:36:17,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:36:17,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:36:17,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:36:17,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17" (1/1) ... [2024-11-10 14:36:17,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17" (1/1) ... [2024-11-10 14:36:17,419 INFO L138 Inliner]: procedures = 25, calls = 32, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 436 [2024-11-10 14:36:17,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:36:17,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:36:17,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:36:17,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:36:17,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17" (1/1) ... [2024-11-10 14:36:17,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17" (1/1) ... [2024-11-10 14:36:17,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17" (1/1) ... [2024-11-10 14:36:17,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17" (1/1) ... [2024-11-10 14:36:17,462 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17" (1/1) ... [2024-11-10 14:36:17,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17" (1/1) ... [2024-11-10 14:36:17,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17" (1/1) ... [2024-11-10 14:36:17,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17" (1/1) ... [2024-11-10 14:36:17,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:36:17,473 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:36:17,473 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:36:17,473 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:36:17,474 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17" (1/1) ... [2024-11-10 14:36:17,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:36:17,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:36:17,516 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) [2024-11-10 14:36:17,519 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 [2024-11-10 14:36:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:36:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:36:17,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:36:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:36:17,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:36:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-10 14:36:17,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-10 14:36:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:36:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:36:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:36:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:36:17,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:36:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:36:17,570 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:36:17,706 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:36:17,709 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:36:18,469 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:36:18,469 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:36:18,508 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:36:18,510 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:36:18,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:36:18 BoogieIcfgContainer [2024-11-10 14:36:18,511 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:36:18,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:36:18,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:36:18,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:36:18,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:36:16" (1/3) ... [2024-11-10 14:36:18,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fef5aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:36:18, skipping insertion in model container [2024-11-10 14:36:18,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:17" (2/3) ... [2024-11-10 14:36:18,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fef5aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:36:18, skipping insertion in model container [2024-11-10 14:36:18,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:36:18" (3/3) ... [2024-11-10 14:36:18,521 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2024-11-10 14:36:18,539 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:36:18,540 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2024-11-10 14:36:18,540 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:36:18,709 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-10 14:36:18,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 563 places, 586 transitions, 1193 flow [2024-11-10 14:36:18,974 INFO L124 PetriNetUnfolderBase]: 33/583 cut-off events. [2024-11-10 14:36:18,975 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:36:18,995 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. [2024-11-10 14:36:18,995 INFO L82 GeneralOperation]: Start removeDead. Operand has 563 places, 586 transitions, 1193 flow [2024-11-10 14:36:19,069 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 541 places, 562 transitions, 1142 flow [2024-11-10 14:36:19,086 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:36:19,097 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;@2f5a6fff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:36:19,097 INFO L334 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2024-11-10 14:36:19,109 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:36:19,109 INFO L124 PetriNetUnfolderBase]: 3/65 cut-off events. [2024-11-10 14:36:19,110 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:36:19,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:19,111 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] [2024-11-10 14:36:19,111 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)] === [2024-11-10 14:36:19,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:19,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1900418626, now seen corresponding path program 1 times [2024-11-10 14:36:19,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:19,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946658172] [2024-11-10 14:36:19,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:19,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:19,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:19,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946658172] [2024-11-10 14:36:19,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946658172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:19,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:19,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:19,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620883810] [2024-11-10 14:36:19,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:19,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:36:19,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:19,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:36:19,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:36:19,414 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 557 out of 586 [2024-11-10 14:36:19,424 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) [2024-11-10 14:36:19,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:19,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 557 of 586 [2024-11-10 14:36:19,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:19,561 INFO L124 PetriNetUnfolderBase]: 10/541 cut-off events. [2024-11-10 14:36:19,562 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-10 14:36:19,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 541 events. 10/541 cut-off events. For 8/10 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. [2024-11-10 14:36:19,572 INFO L140 encePairwiseOnDemand]: 565/586 looper letters, 6 selfloop transitions, 0 changer transitions 6/541 dead transitions. [2024-11-10 14:36:19,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 541 transitions, 1112 flow [2024-11-10 14:36:19,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:36:19,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:36:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1141 transitions. [2024-11-10 14:36:19,594 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9735494880546075 [2024-11-10 14:36:19,596 INFO L175 Difference]: Start difference. First operand has 541 places, 562 transitions, 1142 flow. Second operand 2 states and 1141 transitions. [2024-11-10 14:36:19,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 541 transitions, 1112 flow [2024-11-10 14:36:19,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 541 transitions, 1100 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-10 14:36:19,615 INFO L231 Difference]: Finished difference. Result has 536 places, 535 transitions, 1076 flow [2024-11-10 14:36:19,620 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} [2024-11-10 14:36:19,623 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -5 predicate places. [2024-11-10 14:36:19,626 INFO L471 AbstractCegarLoop]: Abstraction has has 536 places, 535 transitions, 1076 flow [2024-11-10 14:36:19,627 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) [2024-11-10 14:36:19,627 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:19,628 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] [2024-11-10 14:36:19,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:36:19,628 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)] === [2024-11-10 14:36:19,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:19,629 INFO L85 PathProgramCache]: Analyzing trace with hash 377504127, now seen corresponding path program 1 times [2024-11-10 14:36:19,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:19,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196688854] [2024-11-10 14:36:19,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:19,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:19,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:19,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:19,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196688854] [2024-11-10 14:36:19,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196688854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:19,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:19,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:19,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944925284] [2024-11-10 14:36:19,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:19,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:19,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:19,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:19,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:19,785 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 586 [2024-11-10 14:36:19,788 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) [2024-11-10 14:36:19,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:19,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 586 [2024-11-10 14:36:19,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:19,972 INFO L124 PetriNetUnfolderBase]: 19/752 cut-off events. [2024-11-10 14:36:19,973 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-10 14:36:19,980 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. [2024-11-10 14:36:19,985 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 11 selfloop transitions, 2 changer transitions 0/534 dead transitions. [2024-11-10 14:36:19,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 534 transitions, 1100 flow [2024-11-10 14:36:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:19,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-10 14:36:19,989 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-10 14:36:19,989 INFO L175 Difference]: Start difference. First operand has 536 places, 535 transitions, 1076 flow. Second operand 3 states and 1658 transitions. [2024-11-10 14:36:19,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 534 transitions, 1100 flow [2024-11-10 14:36:19,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 534 transitions, 1100 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:19,998 INFO L231 Difference]: Finished difference. Result has 531 places, 534 transitions, 1078 flow [2024-11-10 14:36:19,999 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} [2024-11-10 14:36:20,000 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -10 predicate places. [2024-11-10 14:36:20,000 INFO L471 AbstractCegarLoop]: Abstraction has has 531 places, 534 transitions, 1078 flow [2024-11-10 14:36:20,002 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) [2024-11-10 14:36:20,002 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:20,002 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] [2024-11-10 14:36:20,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:36:20,003 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)] === [2024-11-10 14:36:20,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:20,003 INFO L85 PathProgramCache]: Analyzing trace with hash 304214315, now seen corresponding path program 1 times [2024-11-10 14:36:20,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:20,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828738417] [2024-11-10 14:36:20,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:20,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:20,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:20,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828738417] [2024-11-10 14:36:20,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828738417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:20,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:20,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:36:20,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837585160] [2024-11-10 14:36:20,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:20,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:36:20,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:20,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:36:20,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:36:20,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 491 out of 586 [2024-11-10 14:36:20,985 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) [2024-11-10 14:36:20,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:20,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 491 of 586 [2024-11-10 14:36:20,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:24,083 INFO L124 PetriNetUnfolderBase]: 2075/15417 cut-off events. [2024-11-10 14:36:24,084 INFO L125 PetriNetUnfolderBase]: For 179/181 co-relation queries the response was YES. [2024-11-10 14:36:24,135 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. [2024-11-10 14:36:24,213 INFO L140 encePairwiseOnDemand]: 568/586 looper letters, 54 selfloop transitions, 15 changer transitions 0/531 dead transitions. [2024-11-10 14:36:24,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 531 transitions, 1210 flow [2024-11-10 14:36:24,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:36:24,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:36:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3018 transitions. [2024-11-10 14:36:24,219 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8583617747440273 [2024-11-10 14:36:24,219 INFO L175 Difference]: Start difference. First operand has 531 places, 534 transitions, 1078 flow. Second operand 6 states and 3018 transitions. [2024-11-10 14:36:24,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 531 transitions, 1210 flow [2024-11-10 14:36:24,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 531 transitions, 1206 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:24,228 INFO L231 Difference]: Finished difference. Result has 531 places, 531 transitions, 1098 flow [2024-11-10 14:36:24,229 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} [2024-11-10 14:36:24,230 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -10 predicate places. [2024-11-10 14:36:24,230 INFO L471 AbstractCegarLoop]: Abstraction has has 531 places, 531 transitions, 1098 flow [2024-11-10 14:36:24,232 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) [2024-11-10 14:36:24,232 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:24,232 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] [2024-11-10 14:36:24,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:36:24,233 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)] === [2024-11-10 14:36:24,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:24,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1546433378, now seen corresponding path program 1 times [2024-11-10 14:36:24,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:24,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167323601] [2024-11-10 14:36:24,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:24,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:24,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:24,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167323601] [2024-11-10 14:36:24,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167323601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:24,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:24,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:24,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338030178] [2024-11-10 14:36:24,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:24,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:24,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:24,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:24,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:24,308 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 586 [2024-11-10 14:36:24,310 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) [2024-11-10 14:36:24,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:24,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 586 [2024-11-10 14:36:24,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:24,458 INFO L124 PetriNetUnfolderBase]: 25/957 cut-off events. [2024-11-10 14:36:24,459 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-10 14:36:24,468 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. [2024-11-10 14:36:24,474 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 11 selfloop transitions, 2 changer transitions 0/530 dead transitions. [2024-11-10 14:36:24,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 530 transitions, 1122 flow [2024-11-10 14:36:24,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:24,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-10 14:36:24,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-10 14:36:24,478 INFO L175 Difference]: Start difference. First operand has 531 places, 531 transitions, 1098 flow. Second operand 3 states and 1658 transitions. [2024-11-10 14:36:24,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 530 transitions, 1122 flow [2024-11-10 14:36:24,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 530 transitions, 1092 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:36:24,487 INFO L231 Difference]: Finished difference. Result has 527 places, 530 transitions, 1070 flow [2024-11-10 14:36:24,488 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} [2024-11-10 14:36:24,489 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -14 predicate places. [2024-11-10 14:36:24,489 INFO L471 AbstractCegarLoop]: Abstraction has has 527 places, 530 transitions, 1070 flow [2024-11-10 14:36:24,490 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) [2024-11-10 14:36:24,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:24,490 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] [2024-11-10 14:36:24,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:36:24,491 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)] === [2024-11-10 14:36:24,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:24,491 INFO L85 PathProgramCache]: Analyzing trace with hash -732766805, now seen corresponding path program 1 times [2024-11-10 14:36:24,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:24,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602995327] [2024-11-10 14:36:24,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:24,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:24,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:24,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:24,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602995327] [2024-11-10 14:36:24,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602995327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:24,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:24,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:24,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086293931] [2024-11-10 14:36:24,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:24,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:24,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:24,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:24,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:24,607 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 586 [2024-11-10 14:36:24,610 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) [2024-11-10 14:36:24,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:24,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 586 [2024-11-10 14:36:24,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:24,750 INFO L124 PetriNetUnfolderBase]: 19/644 cut-off events. [2024-11-10 14:36:24,750 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-10 14:36:24,754 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. [2024-11-10 14:36:24,759 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 11 selfloop transitions, 2 changer transitions 0/529 dead transitions. [2024-11-10 14:36:24,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 529 transitions, 1094 flow [2024-11-10 14:36:24,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:24,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:24,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-10 14:36:24,764 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-10 14:36:24,765 INFO L175 Difference]: Start difference. First operand has 527 places, 530 transitions, 1070 flow. Second operand 3 states and 1658 transitions. [2024-11-10 14:36:24,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 529 transitions, 1094 flow [2024-11-10 14:36:24,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 529 transitions, 1090 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:24,775 INFO L231 Difference]: Finished difference. Result has 526 places, 529 transitions, 1068 flow [2024-11-10 14:36:24,776 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} [2024-11-10 14:36:24,779 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -15 predicate places. [2024-11-10 14:36:24,779 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 529 transitions, 1068 flow [2024-11-10 14:36:24,781 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) [2024-11-10 14:36:24,782 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:24,782 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] [2024-11-10 14:36:24,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:36:24,783 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)] === [2024-11-10 14:36:24,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:24,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1984904672, now seen corresponding path program 1 times [2024-11-10 14:36:24,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:24,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298125664] [2024-11-10 14:36:24,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:24,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:24,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:24,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298125664] [2024-11-10 14:36:24,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298125664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:24,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:24,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:24,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048217885] [2024-11-10 14:36:24,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:24,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:24,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:24,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:24,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:24,899 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 586 [2024-11-10 14:36:24,901 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) [2024-11-10 14:36:24,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:24,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 586 [2024-11-10 14:36:24,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:25,068 INFO L124 PetriNetUnfolderBase]: 21/835 cut-off events. [2024-11-10 14:36:25,068 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:36:25,076 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. [2024-11-10 14:36:25,082 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 11 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2024-11-10 14:36:25,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 528 transitions, 1092 flow [2024-11-10 14:36:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:25,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-10 14:36:25,087 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-10 14:36:25,087 INFO L175 Difference]: Start difference. First operand has 526 places, 529 transitions, 1068 flow. Second operand 3 states and 1658 transitions. [2024-11-10 14:36:25,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 528 transitions, 1092 flow [2024-11-10 14:36:25,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 528 transitions, 1088 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:25,096 INFO L231 Difference]: Finished difference. Result has 525 places, 528 transitions, 1066 flow [2024-11-10 14:36:25,097 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} [2024-11-10 14:36:25,098 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -16 predicate places. [2024-11-10 14:36:25,098 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 528 transitions, 1066 flow [2024-11-10 14:36:25,099 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) [2024-11-10 14:36:25,099 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:25,100 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] [2024-11-10 14:36:25,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:36:25,100 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)] === [2024-11-10 14:36:25,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:25,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1786017515, now seen corresponding path program 1 times [2024-11-10 14:36:25,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:25,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565386207] [2024-11-10 14:36:25,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:25,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:25,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:25,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565386207] [2024-11-10 14:36:25,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565386207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:25,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:25,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:25,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161577645] [2024-11-10 14:36:25,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:25,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:25,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:25,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:25,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:25,190 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 586 [2024-11-10 14:36:25,192 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) [2024-11-10 14:36:25,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:25,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 586 [2024-11-10 14:36:25,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:25,411 INFO L124 PetriNetUnfolderBase]: 27/1045 cut-off events. [2024-11-10 14:36:25,412 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-11-10 14:36:25,423 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. [2024-11-10 14:36:25,431 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 11 selfloop transitions, 2 changer transitions 0/527 dead transitions. [2024-11-10 14:36:25,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 527 transitions, 1090 flow [2024-11-10 14:36:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:25,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-10 14:36:25,435 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-10 14:36:25,436 INFO L175 Difference]: Start difference. First operand has 525 places, 528 transitions, 1066 flow. Second operand 3 states and 1658 transitions. [2024-11-10 14:36:25,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 527 transitions, 1090 flow [2024-11-10 14:36:25,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 527 transitions, 1086 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:25,446 INFO L231 Difference]: Finished difference. Result has 524 places, 527 transitions, 1064 flow [2024-11-10 14:36:25,447 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} [2024-11-10 14:36:25,448 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -17 predicate places. [2024-11-10 14:36:25,448 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 527 transitions, 1064 flow [2024-11-10 14:36:25,449 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) [2024-11-10 14:36:25,449 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:25,449 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] [2024-11-10 14:36:25,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:36:25,450 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)] === [2024-11-10 14:36:25,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:25,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1897307235, now seen corresponding path program 1 times [2024-11-10 14:36:25,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:25,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659555998] [2024-11-10 14:36:25,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:25,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:25,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:25,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:25,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659555998] [2024-11-10 14:36:25,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659555998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:25,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:25,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:25,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42595163] [2024-11-10 14:36:25,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:25,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:25,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:25,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:25,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:25,546 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 586 [2024-11-10 14:36:25,548 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) [2024-11-10 14:36:25,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:25,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 586 [2024-11-10 14:36:25,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:25,679 INFO L124 PetriNetUnfolderBase]: 25/908 cut-off events. [2024-11-10 14:36:25,679 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-10 14:36:25,686 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. [2024-11-10 14:36:25,691 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 11 selfloop transitions, 2 changer transitions 0/526 dead transitions. [2024-11-10 14:36:25,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 526 transitions, 1088 flow [2024-11-10 14:36:25,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-10 14:36:25,695 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-10 14:36:25,695 INFO L175 Difference]: Start difference. First operand has 524 places, 527 transitions, 1064 flow. Second operand 3 states and 1658 transitions. [2024-11-10 14:36:25,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 526 transitions, 1088 flow [2024-11-10 14:36:25,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 526 transitions, 1084 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:25,702 INFO L231 Difference]: Finished difference. Result has 523 places, 526 transitions, 1062 flow [2024-11-10 14:36:25,703 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} [2024-11-10 14:36:25,703 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -18 predicate places. [2024-11-10 14:36:25,704 INFO L471 AbstractCegarLoop]: Abstraction has has 523 places, 526 transitions, 1062 flow [2024-11-10 14:36:25,705 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) [2024-11-10 14:36:25,705 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:25,705 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] [2024-11-10 14:36:25,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:36:25,705 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:25,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:25,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1183273894, now seen corresponding path program 1 times [2024-11-10 14:36:25,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:25,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943279750] [2024-11-10 14:36:25,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:25,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:25,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:25,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:25,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943279750] [2024-11-10 14:36:25,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943279750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:25,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:25,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:25,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627811147] [2024-11-10 14:36:25,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:25,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:25,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:25,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:25,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:25,780 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 586 [2024-11-10 14:36:25,782 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) [2024-11-10 14:36:25,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:25,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 586 [2024-11-10 14:36:25,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:25,940 INFO L124 PetriNetUnfolderBase]: 32/1033 cut-off events. [2024-11-10 14:36:25,940 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-10 14:36:25,951 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. [2024-11-10 14:36:25,957 INFO L140 encePairwiseOnDemand]: 582/586 looper letters, 13 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2024-11-10 14:36:25,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 528 transitions, 1098 flow [2024-11-10 14:36:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2024-11-10 14:36:25,961 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9482366325369739 [2024-11-10 14:36:25,961 INFO L175 Difference]: Start difference. First operand has 523 places, 526 transitions, 1062 flow. Second operand 3 states and 1667 transitions. [2024-11-10 14:36:25,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 528 transitions, 1098 flow [2024-11-10 14:36:25,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 528 transitions, 1094 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:25,973 INFO L231 Difference]: Finished difference. Result has 522 places, 526 transitions, 1068 flow [2024-11-10 14:36:25,974 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} [2024-11-10 14:36:25,974 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -19 predicate places. [2024-11-10 14:36:25,974 INFO L471 AbstractCegarLoop]: Abstraction has has 522 places, 526 transitions, 1068 flow [2024-11-10 14:36:25,976 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) [2024-11-10 14:36:25,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:25,976 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] [2024-11-10 14:36:25,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:36:25,976 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:25,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:25,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1671729035, now seen corresponding path program 1 times [2024-11-10 14:36:25,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:25,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297537156] [2024-11-10 14:36:25,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:25,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:26,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:26,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:26,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297537156] [2024-11-10 14:36:26,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297537156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:26,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:26,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:26,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414142153] [2024-11-10 14:36:26,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:26,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:26,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:26,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:26,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:26,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 586 [2024-11-10 14:36:26,043 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) [2024-11-10 14:36:26,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:26,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 586 [2024-11-10 14:36:26,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:26,298 INFO L124 PetriNetUnfolderBase]: 56/1678 cut-off events. [2024-11-10 14:36:26,298 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:36:26,312 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. [2024-11-10 14:36:26,319 INFO L140 encePairwiseOnDemand]: 582/586 looper letters, 13 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2024-11-10 14:36:26,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 528 transitions, 1104 flow [2024-11-10 14:36:26,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:26,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:26,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2024-11-10 14:36:26,324 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9482366325369739 [2024-11-10 14:36:26,324 INFO L175 Difference]: Start difference. First operand has 522 places, 526 transitions, 1068 flow. Second operand 3 states and 1667 transitions. [2024-11-10 14:36:26,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 528 transitions, 1104 flow [2024-11-10 14:36:26,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 528 transitions, 1104 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:26,334 INFO L231 Difference]: Finished difference. Result has 523 places, 526 transitions, 1078 flow [2024-11-10 14:36:26,335 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} [2024-11-10 14:36:26,336 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -18 predicate places. [2024-11-10 14:36:26,336 INFO L471 AbstractCegarLoop]: Abstraction has has 523 places, 526 transitions, 1078 flow [2024-11-10 14:36:26,337 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) [2024-11-10 14:36:26,337 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:26,337 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] [2024-11-10 14:36:26,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:36:26,338 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:26,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:26,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1679530243, now seen corresponding path program 1 times [2024-11-10 14:36:26,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:26,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583412837] [2024-11-10 14:36:26,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:26,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:26,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:26,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583412837] [2024-11-10 14:36:26,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583412837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:26,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:26,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:26,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756212715] [2024-11-10 14:36:26,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:26,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:26,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:26,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:26,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:26,420 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-10 14:36:26,423 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) [2024-11-10 14:36:26,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:26,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-10 14:36:26,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:26,732 INFO L124 PetriNetUnfolderBase]: 51/1198 cut-off events. [2024-11-10 14:36:26,733 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:36:26,739 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. [2024-11-10 14:36:26,742 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 15 selfloop transitions, 2 changer transitions 0/527 dead transitions. [2024-11-10 14:36:26,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 527 transitions, 1116 flow [2024-11-10 14:36:26,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:26,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1659 transitions. [2024-11-10 14:36:26,746 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9436860068259386 [2024-11-10 14:36:26,746 INFO L175 Difference]: Start difference. First operand has 523 places, 526 transitions, 1078 flow. Second operand 3 states and 1659 transitions. [2024-11-10 14:36:26,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 527 transitions, 1116 flow [2024-11-10 14:36:26,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 527 transitions, 1116 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:26,754 INFO L231 Difference]: Finished difference. Result has 524 places, 525 transitions, 1080 flow [2024-11-10 14:36:26,755 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} [2024-11-10 14:36:26,755 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -17 predicate places. [2024-11-10 14:36:26,755 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 525 transitions, 1080 flow [2024-11-10 14:36:26,756 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) [2024-11-10 14:36:26,756 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:26,757 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] [2024-11-10 14:36:26,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:36:26,757 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:26,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:26,758 INFO L85 PathProgramCache]: Analyzing trace with hash -767777136, now seen corresponding path program 1 times [2024-11-10 14:36:26,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:26,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642175642] [2024-11-10 14:36:26,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:26,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:26,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:26,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:26,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642175642] [2024-11-10 14:36:26,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642175642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:26,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:26,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:26,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106790857] [2024-11-10 14:36:26,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:26,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:26,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:26,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:26,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:26,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 586 [2024-11-10 14:36:26,827 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) [2024-11-10 14:36:26,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:26,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 586 [2024-11-10 14:36:26,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:27,102 INFO L124 PetriNetUnfolderBase]: 68/1887 cut-off events. [2024-11-10 14:36:27,102 INFO L125 PetriNetUnfolderBase]: For 16/21 co-relation queries the response was YES. [2024-11-10 14:36:27,121 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. [2024-11-10 14:36:27,129 INFO L140 encePairwiseOnDemand]: 582/586 looper letters, 13 selfloop transitions, 2 changer transitions 0/527 dead transitions. [2024-11-10 14:36:27,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 527 transitions, 1116 flow [2024-11-10 14:36:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:27,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2024-11-10 14:36:27,132 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9482366325369739 [2024-11-10 14:36:27,133 INFO L175 Difference]: Start difference. First operand has 524 places, 525 transitions, 1080 flow. Second operand 3 states and 1667 transitions. [2024-11-10 14:36:27,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 527 transitions, 1116 flow [2024-11-10 14:36:27,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 527 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:27,141 INFO L231 Difference]: Finished difference. Result has 523 places, 525 transitions, 1086 flow [2024-11-10 14:36:27,142 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} [2024-11-10 14:36:27,143 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -18 predicate places. [2024-11-10 14:36:27,143 INFO L471 AbstractCegarLoop]: Abstraction has has 523 places, 525 transitions, 1086 flow [2024-11-10 14:36:27,144 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) [2024-11-10 14:36:27,144 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:27,145 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] [2024-11-10 14:36:27,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:36:27,145 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:27,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:27,145 INFO L85 PathProgramCache]: Analyzing trace with hash 680926660, now seen corresponding path program 1 times [2024-11-10 14:36:27,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:27,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537505617] [2024-11-10 14:36:27,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:27,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:27,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:27,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:27,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537505617] [2024-11-10 14:36:27,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537505617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:27,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:27,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:27,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276003922] [2024-11-10 14:36:27,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:27,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:27,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:27,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:27,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:27,213 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 586 [2024-11-10 14:36:27,215 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) [2024-11-10 14:36:27,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:27,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 586 [2024-11-10 14:36:27,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:27,573 INFO L124 PetriNetUnfolderBase]: 101/2318 cut-off events. [2024-11-10 14:36:27,574 INFO L125 PetriNetUnfolderBase]: For 19/22 co-relation queries the response was YES. [2024-11-10 14:36:27,598 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. [2024-11-10 14:36:27,608 INFO L140 encePairwiseOnDemand]: 582/586 looper letters, 16 selfloop transitions, 2 changer transitions 0/530 dead transitions. [2024-11-10 14:36:27,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 530 transitions, 1137 flow [2024-11-10 14:36:27,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:27,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1670 transitions. [2024-11-10 14:36:27,613 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.949943117178612 [2024-11-10 14:36:27,613 INFO L175 Difference]: Start difference. First operand has 523 places, 525 transitions, 1086 flow. Second operand 3 states and 1670 transitions. [2024-11-10 14:36:27,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 530 transitions, 1137 flow [2024-11-10 14:36:27,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 530 transitions, 1137 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:27,622 INFO L231 Difference]: Finished difference. Result has 524 places, 525 transitions, 1096 flow [2024-11-10 14:36:27,623 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} [2024-11-10 14:36:27,624 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -17 predicate places. [2024-11-10 14:36:27,624 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 525 transitions, 1096 flow [2024-11-10 14:36:27,625 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) [2024-11-10 14:36:27,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:27,626 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] [2024-11-10 14:36:27,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:36:27,626 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:27,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:27,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1253267231, now seen corresponding path program 1 times [2024-11-10 14:36:27,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:27,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665140773] [2024-11-10 14:36:27,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:27,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:27,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:27,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:27,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665140773] [2024-11-10 14:36:27,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665140773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:27,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:27,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:27,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423802114] [2024-11-10 14:36:27,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:27,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:27,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:27,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:27,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:27,705 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-10 14:36:27,707 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) [2024-11-10 14:36:27,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:27,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-10 14:36:27,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:28,093 INFO L124 PetriNetUnfolderBase]: 84/1859 cut-off events. [2024-11-10 14:36:28,093 INFO L125 PetriNetUnfolderBase]: For 24/106 co-relation queries the response was YES. [2024-11-10 14:36:28,109 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. [2024-11-10 14:36:28,119 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 15 selfloop transitions, 2 changer transitions 0/526 dead transitions. [2024-11-10 14:36:28,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 526 transitions, 1134 flow [2024-11-10 14:36:28,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1659 transitions. [2024-11-10 14:36:28,124 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9436860068259386 [2024-11-10 14:36:28,124 INFO L175 Difference]: Start difference. First operand has 524 places, 525 transitions, 1096 flow. Second operand 3 states and 1659 transitions. [2024-11-10 14:36:28,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 526 transitions, 1134 flow [2024-11-10 14:36:28,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 526 transitions, 1134 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:28,132 INFO L231 Difference]: Finished difference. Result has 525 places, 524 transitions, 1098 flow [2024-11-10 14:36:28,133 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} [2024-11-10 14:36:28,135 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -16 predicate places. [2024-11-10 14:36:28,135 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 524 transitions, 1098 flow [2024-11-10 14:36:28,136 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) [2024-11-10 14:36:28,136 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:28,136 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] [2024-11-10 14:36:28,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:36:28,136 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:28,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:28,137 INFO L85 PathProgramCache]: Analyzing trace with hash -366140618, now seen corresponding path program 1 times [2024-11-10 14:36:28,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:28,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421154675] [2024-11-10 14:36:28,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:28,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:28,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:28,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421154675] [2024-11-10 14:36:28,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421154675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:28,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:28,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:28,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135613129] [2024-11-10 14:36:28,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:28,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:28,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:28,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:28,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:28,219 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 545 out of 586 [2024-11-10 14:36:28,221 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) [2024-11-10 14:36:28,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:28,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 545 of 586 [2024-11-10 14:36:28,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:28,677 INFO L124 PetriNetUnfolderBase]: 118/2807 cut-off events. [2024-11-10 14:36:28,677 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-10 14:36:28,704 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. [2024-11-10 14:36:28,716 INFO L140 encePairwiseOnDemand]: 578/586 looper letters, 15 selfloop transitions, 5 changer transitions 0/526 dead transitions. [2024-11-10 14:36:28,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 526 transitions, 1144 flow [2024-11-10 14:36:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:28,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-10 14:36:28,721 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-10 14:36:28,721 INFO L175 Difference]: Start difference. First operand has 525 places, 524 transitions, 1098 flow. Second operand 3 states and 1658 transitions. [2024-11-10 14:36:28,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 526 transitions, 1144 flow [2024-11-10 14:36:28,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 526 transitions, 1140 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:28,730 INFO L231 Difference]: Finished difference. Result has 524 places, 524 transitions, 1120 flow [2024-11-10 14:36:28,730 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} [2024-11-10 14:36:28,731 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -17 predicate places. [2024-11-10 14:36:28,731 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 524 transitions, 1120 flow [2024-11-10 14:36:28,732 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) [2024-11-10 14:36:28,732 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:28,732 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] [2024-11-10 14:36:28,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:36:28,733 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:28,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:28,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1552567048, now seen corresponding path program 1 times [2024-11-10 14:36:28,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:28,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329602941] [2024-11-10 14:36:28,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:28,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:28,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:28,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329602941] [2024-11-10 14:36:28,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329602941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:28,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:28,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:36:28,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165321483] [2024-11-10 14:36:28,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:28,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:36:28,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:28,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:36:28,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:36:28,883 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 586 [2024-11-10 14:36:28,885 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) [2024-11-10 14:36:28,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:28,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 586 [2024-11-10 14:36:28,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:29,600 INFO L124 PetriNetUnfolderBase]: 124/3293 cut-off events. [2024-11-10 14:36:29,600 INFO L125 PetriNetUnfolderBase]: For 46/52 co-relation queries the response was YES. [2024-11-10 14:36:29,618 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. [2024-11-10 14:36:29,631 INFO L140 encePairwiseOnDemand]: 581/586 looper letters, 27 selfloop transitions, 4 changer transitions 0/540 dead transitions. [2024-11-10 14:36:29,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 540 transitions, 1224 flow [2024-11-10 14:36:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:36:29,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:36:29,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2777 transitions. [2024-11-10 14:36:29,638 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477815699658703 [2024-11-10 14:36:29,638 INFO L175 Difference]: Start difference. First operand has 524 places, 524 transitions, 1120 flow. Second operand 5 states and 2777 transitions. [2024-11-10 14:36:29,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 540 transitions, 1224 flow [2024-11-10 14:36:29,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 540 transitions, 1214 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:29,650 INFO L231 Difference]: Finished difference. Result has 529 places, 526 transitions, 1135 flow [2024-11-10 14:36:29,651 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} [2024-11-10 14:36:29,651 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -12 predicate places. [2024-11-10 14:36:29,651 INFO L471 AbstractCegarLoop]: Abstraction has has 529 places, 526 transitions, 1135 flow [2024-11-10 14:36:29,653 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) [2024-11-10 14:36:29,653 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:29,653 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] [2024-11-10 14:36:29,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 14:36:29,653 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:29,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:29,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1779203860, now seen corresponding path program 1 times [2024-11-10 14:36:29,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:29,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650722934] [2024-11-10 14:36:29,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:29,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:29,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:29,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:29,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650722934] [2024-11-10 14:36:29,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650722934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:29,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:29,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:36:29,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661474796] [2024-11-10 14:36:29,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:29,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:36:29,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:29,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:36:29,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:36:29,928 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 530 out of 586 [2024-11-10 14:36:29,931 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) [2024-11-10 14:36:29,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:29,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 530 of 586 [2024-11-10 14:36:29,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:30,410 INFO L124 PetriNetUnfolderBase]: 47/1695 cut-off events. [2024-11-10 14:36:30,410 INFO L125 PetriNetUnfolderBase]: For 13/24 co-relation queries the response was YES. [2024-11-10 14:36:30,433 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. [2024-11-10 14:36:30,442 INFO L140 encePairwiseOnDemand]: 565/586 looper letters, 18 selfloop transitions, 18 changer transitions 0/529 dead transitions. [2024-11-10 14:36:30,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 529 transitions, 1213 flow [2024-11-10 14:36:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:36:30,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:36:30,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2689 transitions. [2024-11-10 14:36:30,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9177474402730376 [2024-11-10 14:36:30,449 INFO L175 Difference]: Start difference. First operand has 529 places, 526 transitions, 1135 flow. Second operand 5 states and 2689 transitions. [2024-11-10 14:36:30,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 529 transitions, 1213 flow [2024-11-10 14:36:30,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 529 transitions, 1213 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:30,463 INFO L231 Difference]: Finished difference. Result has 534 places, 529 transitions, 1195 flow [2024-11-10 14:36:30,464 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} [2024-11-10 14:36:30,465 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -7 predicate places. [2024-11-10 14:36:30,465 INFO L471 AbstractCegarLoop]: Abstraction has has 534 places, 529 transitions, 1195 flow [2024-11-10 14:36:30,466 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) [2024-11-10 14:36:30,467 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:30,467 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] [2024-11-10 14:36:30,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:36:30,468 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:30,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:30,468 INFO L85 PathProgramCache]: Analyzing trace with hash -173699283, now seen corresponding path program 1 times [2024-11-10 14:36:30,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:30,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404103278] [2024-11-10 14:36:30,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:30,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 14:36:30,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:30,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404103278] [2024-11-10 14:36:30,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404103278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:30,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:30,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:30,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558425628] [2024-11-10 14:36:30,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:30,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:30,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:30,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:30,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:30,609 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-10 14:36:30,615 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) [2024-11-10 14:36:30,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:30,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-10 14:36:30,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:31,661 INFO L124 PetriNetUnfolderBase]: 188/4869 cut-off events. [2024-11-10 14:36:31,662 INFO L125 PetriNetUnfolderBase]: For 58/63 co-relation queries the response was YES. [2024-11-10 14:36:31,704 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. [2024-11-10 14:36:31,722 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 17 selfloop transitions, 2 changer transitions 0/530 dead transitions. [2024-11-10 14:36:31,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 530 transitions, 1237 flow [2024-11-10 14:36:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:31,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1659 transitions. [2024-11-10 14:36:31,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9436860068259386 [2024-11-10 14:36:31,725 INFO L175 Difference]: Start difference. First operand has 534 places, 529 transitions, 1195 flow. Second operand 3 states and 1659 transitions. [2024-11-10 14:36:31,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 530 transitions, 1237 flow [2024-11-10 14:36:31,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 530 transitions, 1207 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 14:36:31,735 INFO L231 Difference]: Finished difference. Result has 532 places, 528 transitions, 1167 flow [2024-11-10 14:36:31,735 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} [2024-11-10 14:36:31,736 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -9 predicate places. [2024-11-10 14:36:31,736 INFO L471 AbstractCegarLoop]: Abstraction has has 532 places, 528 transitions, 1167 flow [2024-11-10 14:36:31,737 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) [2024-11-10 14:36:31,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:31,738 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] [2024-11-10 14:36:31,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 14:36:31,738 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:31,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:31,738 INFO L85 PathProgramCache]: Analyzing trace with hash -927573811, now seen corresponding path program 1 times [2024-11-10 14:36:31,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:31,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533425499] [2024-11-10 14:36:31,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:31,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:36:31,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:31,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533425499] [2024-11-10 14:36:31,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533425499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:36:31,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172920602] [2024-11-10 14:36:31,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:31,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:36:31,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:36:31,933 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) [2024-11-10 14:36:31,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:36:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:32,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 14:36:32,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:36:32,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:36:32,284 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:36:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:36:32,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172920602] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:36:32,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:36:32,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-10 14:36:32,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518684184] [2024-11-10 14:36:32,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:36:32,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 14:36:32,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:32,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 14:36:32,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-10 14:36:32,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 521 out of 586 [2024-11-10 14:36:32,862 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) [2024-11-10 14:36:32,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:32,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 521 of 586 [2024-11-10 14:36:32,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:33,454 INFO L124 PetriNetUnfolderBase]: 47/1746 cut-off events. [2024-11-10 14:36:33,454 INFO L125 PetriNetUnfolderBase]: For 31/42 co-relation queries the response was YES. [2024-11-10 14:36:33,469 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. [2024-11-10 14:36:33,474 INFO L140 encePairwiseOnDemand]: 556/586 looper letters, 30 selfloop transitions, 39 changer transitions 0/552 dead transitions. [2024-11-10 14:36:33,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 552 transitions, 1359 flow [2024-11-10 14:36:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:36:33,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-10 14:36:33,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 5806 transitions. [2024-11-10 14:36:33,483 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9007136208501396 [2024-11-10 14:36:33,483 INFO L175 Difference]: Start difference. First operand has 532 places, 528 transitions, 1167 flow. Second operand 11 states and 5806 transitions. [2024-11-10 14:36:33,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 552 transitions, 1359 flow [2024-11-10 14:36:33,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 552 transitions, 1355 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:33,492 INFO L231 Difference]: Finished difference. Result has 543 places, 546 transitions, 1343 flow [2024-11-10 14:36:33,492 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} [2024-11-10 14:36:33,493 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 2 predicate places. [2024-11-10 14:36:33,493 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 546 transitions, 1343 flow [2024-11-10 14:36:33,495 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) [2024-11-10 14:36:33,495 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:33,495 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] [2024-11-10 14:36:33,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 14:36:33,695 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 [2024-11-10 14:36:33,696 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:33,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:33,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1530922353, now seen corresponding path program 2 times [2024-11-10 14:36:33,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:33,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584500212] [2024-11-10 14:36:33,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:33,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:34,069 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 14:36:34,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:34,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584500212] [2024-11-10 14:36:34,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584500212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:36:34,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982491741] [2024-11-10 14:36:34,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:36:34,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:36:34,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:36:34,072 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) [2024-11-10 14:36:34,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:36:34,240 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:36:34,240 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:36:34,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 14:36:34,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:36:34,295 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 [2024-11-10 14:36:34,313 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 [2024-11-10 14:36:34,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:36:34,342 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 [2024-11-10 14:36:34,373 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:36:34,373 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 [2024-11-10 14:36:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-10 14:36:34,403 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:36:34,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982491741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:34,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:36:34,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-10 14:36:34,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556393638] [2024-11-10 14:36:34,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:34,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:36:34,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:34,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:36:34,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-10 14:36:34,839 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 586 [2024-11-10 14:36:34,842 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) [2024-11-10 14:36:34,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:34,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 586 [2024-11-10 14:36:34,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:35,359 INFO L124 PetriNetUnfolderBase]: 100/2680 cut-off events. [2024-11-10 14:36:35,359 INFO L125 PetriNetUnfolderBase]: For 68/77 co-relation queries the response was YES. [2024-11-10 14:36:35,384 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. [2024-11-10 14:36:35,393 INFO L140 encePairwiseOnDemand]: 580/586 looper letters, 30 selfloop transitions, 6 changer transitions 0/553 dead transitions. [2024-11-10 14:36:35,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 553 transitions, 1437 flow [2024-11-10 14:36:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:36:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:36:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3246 transitions. [2024-11-10 14:36:35,398 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9232081911262798 [2024-11-10 14:36:35,398 INFO L175 Difference]: Start difference. First operand has 543 places, 546 transitions, 1343 flow. Second operand 6 states and 3246 transitions. [2024-11-10 14:36:35,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 553 transitions, 1437 flow [2024-11-10 14:36:35,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 553 transitions, 1401 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-10 14:36:35,408 INFO L231 Difference]: Finished difference. Result has 544 places, 545 transitions, 1317 flow [2024-11-10 14:36:35,409 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} [2024-11-10 14:36:35,409 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 3 predicate places. [2024-11-10 14:36:35,409 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 545 transitions, 1317 flow [2024-11-10 14:36:35,410 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) [2024-11-10 14:36:35,410 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:35,411 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] [2024-11-10 14:36:35,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 14:36:35,614 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 [2024-11-10 14:36:35,615 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:35,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:35,615 INFO L85 PathProgramCache]: Analyzing trace with hash -301421141, now seen corresponding path program 1 times [2024-11-10 14:36:35,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:35,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769861811] [2024-11-10 14:36:35,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:35,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:35,742 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-10 14:36:35,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:35,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769861811] [2024-11-10 14:36:35,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769861811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:35,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:35,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:35,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831886094] [2024-11-10 14:36:35,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:35,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:35,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:35,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:35,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:35,755 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 586 [2024-11-10 14:36:35,757 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) [2024-11-10 14:36:35,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:35,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 586 [2024-11-10 14:36:35,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:36,357 INFO L124 PetriNetUnfolderBase]: 125/3212 cut-off events. [2024-11-10 14:36:36,357 INFO L125 PetriNetUnfolderBase]: For 71/92 co-relation queries the response was YES. [2024-11-10 14:36:36,379 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. [2024-11-10 14:36:36,387 INFO L140 encePairwiseOnDemand]: 582/586 looper letters, 16 selfloop transitions, 2 changer transitions 0/550 dead transitions. [2024-11-10 14:36:36,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 550 transitions, 1368 flow [2024-11-10 14:36:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:36,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:36,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1670 transitions. [2024-11-10 14:36:36,389 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.949943117178612 [2024-11-10 14:36:36,389 INFO L175 Difference]: Start difference. First operand has 544 places, 545 transitions, 1317 flow. Second operand 3 states and 1670 transitions. [2024-11-10 14:36:36,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 550 transitions, 1368 flow [2024-11-10 14:36:36,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 550 transitions, 1356 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:36:36,397 INFO L231 Difference]: Finished difference. Result has 540 places, 545 transitions, 1315 flow [2024-11-10 14:36:36,398 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} [2024-11-10 14:36:36,398 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -1 predicate places. [2024-11-10 14:36:36,398 INFO L471 AbstractCegarLoop]: Abstraction has has 540 places, 545 transitions, 1315 flow [2024-11-10 14:36:36,399 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) [2024-11-10 14:36:36,399 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:36,399 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] [2024-11-10 14:36:36,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 14:36:36,399 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:36,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:36,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1535753059, now seen corresponding path program 1 times [2024-11-10 14:36:36,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:36,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628592358] [2024-11-10 14:36:36,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:36,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:36,501 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-10 14:36:36,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:36,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628592358] [2024-11-10 14:36:36,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628592358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:36,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:36,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:36,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025335889] [2024-11-10 14:36:36,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:36,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:36,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:36,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:36,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:36,528 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-10 14:36:36,529 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) [2024-11-10 14:36:36,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:36,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-10 14:36:36,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:37,274 INFO L124 PetriNetUnfolderBase]: 248/3254 cut-off events. [2024-11-10 14:36:37,275 INFO L125 PetriNetUnfolderBase]: For 190/242 co-relation queries the response was YES. [2024-11-10 14:36:37,320 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. [2024-11-10 14:36:37,334 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 15 selfloop transitions, 2 changer transitions 0/546 dead transitions. [2024-11-10 14:36:37,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 546 transitions, 1353 flow [2024-11-10 14:36:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:37,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1659 transitions. [2024-11-10 14:36:37,338 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9436860068259386 [2024-11-10 14:36:37,338 INFO L175 Difference]: Start difference. First operand has 540 places, 545 transitions, 1315 flow. Second operand 3 states and 1659 transitions. [2024-11-10 14:36:37,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 546 transitions, 1353 flow [2024-11-10 14:36:37,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 546 transitions, 1353 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:37,349 INFO L231 Difference]: Finished difference. Result has 541 places, 544 transitions, 1317 flow [2024-11-10 14:36:37,350 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} [2024-11-10 14:36:37,352 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 0 predicate places. [2024-11-10 14:36:37,352 INFO L471 AbstractCegarLoop]: Abstraction has has 541 places, 544 transitions, 1317 flow [2024-11-10 14:36:37,353 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) [2024-11-10 14:36:37,353 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:37,353 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] [2024-11-10 14:36:37,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 14:36:37,353 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:37,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:37,354 INFO L85 PathProgramCache]: Analyzing trace with hash -754151272, now seen corresponding path program 1 times [2024-11-10 14:36:37,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:37,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785700321] [2024-11-10 14:36:37,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:37,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:37,461 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-10 14:36:37,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:37,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785700321] [2024-11-10 14:36:37,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785700321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:37,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:37,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:37,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68855378] [2024-11-10 14:36:37,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:37,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:37,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:37,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:37,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:37,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 545 out of 586 [2024-11-10 14:36:37,486 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) [2024-11-10 14:36:37,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:37,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 545 of 586 [2024-11-10 14:36:37,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:38,407 INFO L124 PetriNetUnfolderBase]: 181/4431 cut-off events. [2024-11-10 14:36:38,407 INFO L125 PetriNetUnfolderBase]: For 80/243 co-relation queries the response was YES. [2024-11-10 14:36:38,442 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. [2024-11-10 14:36:38,454 INFO L140 encePairwiseOnDemand]: 578/586 looper letters, 15 selfloop transitions, 5 changer transitions 0/546 dead transitions. [2024-11-10 14:36:38,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 546 transitions, 1363 flow [2024-11-10 14:36:38,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:38,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:38,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-10 14:36:38,456 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431171786120591 [2024-11-10 14:36:38,456 INFO L175 Difference]: Start difference. First operand has 541 places, 544 transitions, 1317 flow. Second operand 3 states and 1658 transitions. [2024-11-10 14:36:38,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 546 transitions, 1363 flow [2024-11-10 14:36:38,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 546 transitions, 1359 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:38,464 INFO L231 Difference]: Finished difference. Result has 540 places, 544 transitions, 1339 flow [2024-11-10 14:36:38,464 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} [2024-11-10 14:36:38,465 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, -1 predicate places. [2024-11-10 14:36:38,465 INFO L471 AbstractCegarLoop]: Abstraction has has 540 places, 544 transitions, 1339 flow [2024-11-10 14:36:38,465 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) [2024-11-10 14:36:38,465 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:38,465 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] [2024-11-10 14:36:38,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 14:36:38,466 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:38,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:38,466 INFO L85 PathProgramCache]: Analyzing trace with hash 84271535, now seen corresponding path program 1 times [2024-11-10 14:36:38,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:38,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577346040] [2024-11-10 14:36:38,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:38,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:38,640 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-10 14:36:38,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:38,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577346040] [2024-11-10 14:36:38,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577346040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:38,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:38,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:36:38,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552974263] [2024-11-10 14:36:38,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:38,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:36:38,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:38,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:36:38,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:36:38,683 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 586 [2024-11-10 14:36:38,685 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) [2024-11-10 14:36:38,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:38,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 586 [2024-11-10 14:36:38,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:39,798 INFO L124 PetriNetUnfolderBase]: 197/5006 cut-off events. [2024-11-10 14:36:39,799 INFO L125 PetriNetUnfolderBase]: For 145/352 co-relation queries the response was YES. [2024-11-10 14:36:39,867 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. [2024-11-10 14:36:39,887 INFO L140 encePairwiseOnDemand]: 581/586 looper letters, 25 selfloop transitions, 4 changer transitions 0/558 dead transitions. [2024-11-10 14:36:39,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 558 transitions, 1433 flow [2024-11-10 14:36:39,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:36:39,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:36:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2775 transitions. [2024-11-10 14:36:39,890 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.947098976109215 [2024-11-10 14:36:39,891 INFO L175 Difference]: Start difference. First operand has 540 places, 544 transitions, 1339 flow. Second operand 5 states and 2775 transitions. [2024-11-10 14:36:39,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 558 transitions, 1433 flow [2024-11-10 14:36:39,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 558 transitions, 1423 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:39,899 INFO L231 Difference]: Finished difference. Result has 545 places, 546 transitions, 1354 flow [2024-11-10 14:36:39,899 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} [2024-11-10 14:36:39,900 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 4 predicate places. [2024-11-10 14:36:39,900 INFO L471 AbstractCegarLoop]: Abstraction has has 545 places, 546 transitions, 1354 flow [2024-11-10 14:36:39,900 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) [2024-11-10 14:36:39,900 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:39,901 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] [2024-11-10 14:36:39,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 14:36:39,901 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:39,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:39,901 INFO L85 PathProgramCache]: Analyzing trace with hash 233051891, now seen corresponding path program 1 times [2024-11-10 14:36:39,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:39,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265223546] [2024-11-10 14:36:39,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:39,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:40,318 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 14:36:40,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:40,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265223546] [2024-11-10 14:36:40,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265223546] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:36:40,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211949884] [2024-11-10 14:36:40,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:40,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:36:40,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:36:40,321 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) [2024-11-10 14:36:40,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 14:36:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:40,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 14:36:40,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:36:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 14:36:40,883 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:36:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 14:36:41,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211949884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:36:41,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:36:41,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-10 14:36:41,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576701739] [2024-11-10 14:36:41,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:36:41,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-10 14:36:41,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:41,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-10 14:36:41,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-10 14:36:41,796 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 521 out of 586 [2024-11-10 14:36:41,805 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) [2024-11-10 14:36:41,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:41,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 521 of 586 [2024-11-10 14:36:41,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:42,978 INFO L124 PetriNetUnfolderBase]: 58/2491 cut-off events. [2024-11-10 14:36:42,978 INFO L125 PetriNetUnfolderBase]: For 141/160 co-relation queries the response was YES. [2024-11-10 14:36:43,009 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. [2024-11-10 14:36:43,019 INFO L140 encePairwiseOnDemand]: 556/586 looper letters, 36 selfloop transitions, 57 changer transitions 0/576 dead transitions. [2024-11-10 14:36:43,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 576 transitions, 1684 flow [2024-11-10 14:36:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 14:36:43,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-10 14:36:43,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 8956 transitions. [2024-11-10 14:36:43,031 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8990162617948203 [2024-11-10 14:36:43,031 INFO L175 Difference]: Start difference. First operand has 545 places, 546 transitions, 1354 flow. Second operand 17 states and 8956 transitions. [2024-11-10 14:36:43,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 576 transitions, 1684 flow [2024-11-10 14:36:43,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 576 transitions, 1684 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:43,042 INFO L231 Difference]: Finished difference. Result has 564 places, 567 transitions, 1630 flow [2024-11-10 14:36:43,042 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} [2024-11-10 14:36:43,042 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 23 predicate places. [2024-11-10 14:36:43,043 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 567 transitions, 1630 flow [2024-11-10 14:36:43,045 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) [2024-11-10 14:36:43,045 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:43,046 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] [2024-11-10 14:36:43,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 14:36:43,246 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 [2024-11-10 14:36:43,247 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:43,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:43,247 INFO L85 PathProgramCache]: Analyzing trace with hash 922908469, now seen corresponding path program 2 times [2024-11-10 14:36:43,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:43,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918384038] [2024-11-10 14:36:43,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:43,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:36:44,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:44,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918384038] [2024-11-10 14:36:44,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918384038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:44,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:44,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:36:44,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355828024] [2024-11-10 14:36:44,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:44,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:36:44,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:44,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:36:44,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:36:44,702 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 586 [2024-11-10 14:36:44,704 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) [2024-11-10 14:36:44,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:44,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 586 [2024-11-10 14:36:44,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:45,767 INFO L124 PetriNetUnfolderBase]: 153/3943 cut-off events. [2024-11-10 14:36:45,768 INFO L125 PetriNetUnfolderBase]: For 218/456 co-relation queries the response was YES. [2024-11-10 14:36:45,811 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. [2024-11-10 14:36:45,824 INFO L140 encePairwiseOnDemand]: 580/586 looper letters, 30 selfloop transitions, 6 changer transitions 0/574 dead transitions. [2024-11-10 14:36:45,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 574 transitions, 1724 flow [2024-11-10 14:36:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:36:45,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:36:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3246 transitions. [2024-11-10 14:36:45,827 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9232081911262798 [2024-11-10 14:36:45,827 INFO L175 Difference]: Start difference. First operand has 564 places, 567 transitions, 1630 flow. Second operand 6 states and 3246 transitions. [2024-11-10 14:36:45,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 574 transitions, 1724 flow [2024-11-10 14:36:45,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 574 transitions, 1646 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-10 14:36:45,835 INFO L231 Difference]: Finished difference. Result has 560 places, 566 transitions, 1562 flow [2024-11-10 14:36:45,835 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} [2024-11-10 14:36:45,836 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 19 predicate places. [2024-11-10 14:36:45,836 INFO L471 AbstractCegarLoop]: Abstraction has has 560 places, 566 transitions, 1562 flow [2024-11-10 14:36:45,836 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) [2024-11-10 14:36:45,836 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:45,837 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] [2024-11-10 14:36:45,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 14:36:45,837 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:45,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:45,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1676782997, now seen corresponding path program 1 times [2024-11-10 14:36:45,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:45,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074949088] [2024-11-10 14:36:45,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:45,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:36:45,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:45,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074949088] [2024-11-10 14:36:45,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074949088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:45,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:45,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:45,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824909909] [2024-11-10 14:36:45,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:45,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:45,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:45,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:45,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:46,023 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-10 14:36:46,025 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) [2024-11-10 14:36:46,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:46,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-10 14:36:46,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:47,525 INFO L124 PetriNetUnfolderBase]: 293/6777 cut-off events. [2024-11-10 14:36:47,525 INFO L125 PetriNetUnfolderBase]: For 289/822 co-relation queries the response was YES. [2024-11-10 14:36:47,616 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. [2024-11-10 14:36:47,645 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 17 selfloop transitions, 2 changer transitions 0/567 dead transitions. [2024-11-10 14:36:47,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 567 transitions, 1604 flow [2024-11-10 14:36:47,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:47,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1659 transitions. [2024-11-10 14:36:47,647 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9436860068259386 [2024-11-10 14:36:47,647 INFO L175 Difference]: Start difference. First operand has 560 places, 566 transitions, 1562 flow. Second operand 3 states and 1659 transitions. [2024-11-10 14:36:47,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 567 transitions, 1604 flow [2024-11-10 14:36:47,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 567 transitions, 1592 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:36:47,656 INFO L231 Difference]: Finished difference. Result has 556 places, 565 transitions, 1552 flow [2024-11-10 14:36:47,656 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} [2024-11-10 14:36:47,656 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 15 predicate places. [2024-11-10 14:36:47,657 INFO L471 AbstractCegarLoop]: Abstraction has has 556 places, 565 transitions, 1552 flow [2024-11-10 14:36:47,657 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) [2024-11-10 14:36:47,657 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:47,657 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] [2024-11-10 14:36:47,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 14:36:47,657 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:47,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:47,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1858769830, now seen corresponding path program 1 times [2024-11-10 14:36:47,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:47,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770746462] [2024-11-10 14:36:47,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:47,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:47,799 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:36:47,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:47,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770746462] [2024-11-10 14:36:47,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770746462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:47,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:47,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:47,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296989599] [2024-11-10 14:36:47,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:47,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:47,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:47,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:47,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:47,823 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 545 out of 586 [2024-11-10 14:36:47,824 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) [2024-11-10 14:36:47,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:47,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 545 of 586 [2024-11-10 14:36:47,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:49,199 INFO L124 PetriNetUnfolderBase]: 344/6112 cut-off events. [2024-11-10 14:36:49,199 INFO L125 PetriNetUnfolderBase]: For 331/374 co-relation queries the response was YES. [2024-11-10 14:36:49,265 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. [2024-11-10 14:36:49,284 INFO L140 encePairwiseOnDemand]: 578/586 looper letters, 13 selfloop transitions, 4 changer transitions 12/567 dead transitions. [2024-11-10 14:36:49,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 567 transitions, 1596 flow [2024-11-10 14:36:49,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:49,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1657 transitions. [2024-11-10 14:36:49,286 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425483503981797 [2024-11-10 14:36:49,286 INFO L175 Difference]: Start difference. First operand has 556 places, 565 transitions, 1552 flow. Second operand 3 states and 1657 transitions. [2024-11-10 14:36:49,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 567 transitions, 1596 flow [2024-11-10 14:36:49,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 567 transitions, 1592 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:49,295 INFO L231 Difference]: Finished difference. Result has 555 places, 553 transitions, 1541 flow [2024-11-10 14:36:49,295 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} [2024-11-10 14:36:49,296 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 14 predicate places. [2024-11-10 14:36:49,296 INFO L471 AbstractCegarLoop]: Abstraction has has 555 places, 553 transitions, 1541 flow [2024-11-10 14:36:49,296 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) [2024-11-10 14:36:49,296 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:49,297 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] [2024-11-10 14:36:49,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 14:36:49,297 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:49,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:49,297 INFO L85 PathProgramCache]: Analyzing trace with hash -95699754, now seen corresponding path program 1 times [2024-11-10 14:36:49,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:49,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149471999] [2024-11-10 14:36:49,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:49,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:36:50,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:50,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149471999] [2024-11-10 14:36:50,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149471999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:50,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:50,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:36:50,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768206397] [2024-11-10 14:36:50,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:50,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:36:50,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:50,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:36:50,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:36:50,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 586 [2024-11-10 14:36:50,677 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) [2024-11-10 14:36:50,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:50,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 586 [2024-11-10 14:36:50,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:51,636 INFO L124 PetriNetUnfolderBase]: 160/4474 cut-off events. [2024-11-10 14:36:51,636 INFO L125 PetriNetUnfolderBase]: For 235/274 co-relation queries the response was YES. [2024-11-10 14:36:51,695 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. [2024-11-10 14:36:51,711 INFO L140 encePairwiseOnDemand]: 580/586 looper letters, 29 selfloop transitions, 6 changer transitions 0/560 dead transitions. [2024-11-10 14:36:51,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 560 transitions, 1633 flow [2024-11-10 14:36:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:36:51,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:36:51,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3245 transitions. [2024-11-10 14:36:51,713 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9229237770193401 [2024-11-10 14:36:51,713 INFO L175 Difference]: Start difference. First operand has 555 places, 553 transitions, 1541 flow. Second operand 6 states and 3245 transitions. [2024-11-10 14:36:51,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 560 transitions, 1633 flow [2024-11-10 14:36:51,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 560 transitions, 1625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:51,724 INFO L231 Difference]: Finished difference. Result has 546 places, 552 transitions, 1543 flow [2024-11-10 14:36:51,725 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} [2024-11-10 14:36:51,726 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 5 predicate places. [2024-11-10 14:36:51,726 INFO L471 AbstractCegarLoop]: Abstraction has has 546 places, 552 transitions, 1543 flow [2024-11-10 14:36:51,727 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) [2024-11-10 14:36:51,727 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:51,727 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] [2024-11-10 14:36:51,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 14:36:51,728 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:51,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:51,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2143149961, now seen corresponding path program 1 times [2024-11-10 14:36:51,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:51,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394042572] [2024-11-10 14:36:51,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:51,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:36:51,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:51,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394042572] [2024-11-10 14:36:51,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394042572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:51,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:51,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:51,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901824245] [2024-11-10 14:36:51,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:51,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:51,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:51,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:51,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:51,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 586 [2024-11-10 14:36:51,871 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) [2024-11-10 14:36:51,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:51,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 586 [2024-11-10 14:36:51,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:54,331 INFO L124 PetriNetUnfolderBase]: 480/10496 cut-off events. [2024-11-10 14:36:54,331 INFO L125 PetriNetUnfolderBase]: For 310/327 co-relation queries the response was YES. [2024-11-10 14:36:54,404 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. [2024-11-10 14:36:54,436 INFO L140 encePairwiseOnDemand]: 582/586 looper letters, 13 selfloop transitions, 2 changer transitions 0/555 dead transitions. [2024-11-10 14:36:54,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 555 transitions, 1582 flow [2024-11-10 14:36:54,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:54,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:54,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2024-11-10 14:36:54,438 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9482366325369739 [2024-11-10 14:36:54,438 INFO L175 Difference]: Start difference. First operand has 546 places, 552 transitions, 1543 flow. Second operand 3 states and 1667 transitions. [2024-11-10 14:36:54,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 555 transitions, 1582 flow [2024-11-10 14:36:54,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 555 transitions, 1570 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:36:54,450 INFO L231 Difference]: Finished difference. Result has 542 places, 552 transitions, 1541 flow [2024-11-10 14:36:54,451 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} [2024-11-10 14:36:54,451 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 1 predicate places. [2024-11-10 14:36:54,451 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 552 transitions, 1541 flow [2024-11-10 14:36:54,452 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) [2024-11-10 14:36:54,452 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:54,452 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] [2024-11-10 14:36:54,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 14:36:54,453 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:54,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:54,453 INFO L85 PathProgramCache]: Analyzing trace with hash -370347222, now seen corresponding path program 1 times [2024-11-10 14:36:54,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:54,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449752586] [2024-11-10 14:36:54,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:54,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:36:54,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:54,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449752586] [2024-11-10 14:36:54,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449752586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:54,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:54,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:36:54,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366303409] [2024-11-10 14:36:54,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:54,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:36:54,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:54,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:36:54,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:36:54,681 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 586 [2024-11-10 14:36:54,682 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) [2024-11-10 14:36:54,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:54,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 586 [2024-11-10 14:36:54,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:56,822 INFO L124 PetriNetUnfolderBase]: 464/9042 cut-off events. [2024-11-10 14:36:56,823 INFO L125 PetriNetUnfolderBase]: For 462/499 co-relation queries the response was YES. [2024-11-10 14:36:56,887 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. [2024-11-10 14:36:56,916 INFO L140 encePairwiseOnDemand]: 581/586 looper letters, 20 selfloop transitions, 4 changer transitions 0/562 dead transitions. [2024-11-10 14:36:56,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 562 transitions, 1613 flow [2024-11-10 14:36:56,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:36:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:36:56,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2770 transitions. [2024-11-10 14:36:56,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453924914675768 [2024-11-10 14:36:56,919 INFO L175 Difference]: Start difference. First operand has 542 places, 552 transitions, 1541 flow. Second operand 5 states and 2770 transitions. [2024-11-10 14:36:56,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 562 transitions, 1613 flow [2024-11-10 14:36:56,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 562 transitions, 1613 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:56,930 INFO L231 Difference]: Finished difference. Result has 549 places, 554 transitions, 1566 flow [2024-11-10 14:36:56,931 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} [2024-11-10 14:36:56,931 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 8 predicate places. [2024-11-10 14:36:56,932 INFO L471 AbstractCegarLoop]: Abstraction has has 549 places, 554 transitions, 1566 flow [2024-11-10 14:36:56,932 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) [2024-11-10 14:36:56,932 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:56,932 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] [2024-11-10 14:36:56,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 14:36:56,933 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:56,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:56,933 INFO L85 PathProgramCache]: Analyzing trace with hash -2109998802, now seen corresponding path program 1 times [2024-11-10 14:36:56,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:56,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861810036] [2024-11-10 14:36:56,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:56,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:36:57,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:57,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861810036] [2024-11-10 14:36:57,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861810036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:57,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:57,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:57,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776468895] [2024-11-10 14:36:57,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:57,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:57,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:57,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:57,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:57,086 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-10 14:36:57,087 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) [2024-11-10 14:36:57,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:57,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-10 14:36:57,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:59,598 INFO L124 PetriNetUnfolderBase]: 676/8936 cut-off events. [2024-11-10 14:36:59,599 INFO L125 PetriNetUnfolderBase]: For 1034/1075 co-relation queries the response was YES. [2024-11-10 14:36:59,659 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. [2024-11-10 14:36:59,689 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 14 selfloop transitions, 2 changer transitions 1/555 dead transitions. [2024-11-10 14:36:59,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 555 transitions, 1604 flow [2024-11-10 14:36:59,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:59,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1657 transitions. [2024-11-10 14:36:59,692 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425483503981797 [2024-11-10 14:36:59,692 INFO L175 Difference]: Start difference. First operand has 549 places, 554 transitions, 1566 flow. Second operand 3 states and 1657 transitions. [2024-11-10 14:36:59,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 555 transitions, 1604 flow [2024-11-10 14:36:59,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 555 transitions, 1604 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:59,705 INFO L231 Difference]: Finished difference. Result has 550 places, 553 transitions, 1568 flow [2024-11-10 14:36:59,706 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} [2024-11-10 14:36:59,706 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 9 predicate places. [2024-11-10 14:36:59,707 INFO L471 AbstractCegarLoop]: Abstraction has has 550 places, 553 transitions, 1568 flow [2024-11-10 14:36:59,707 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) [2024-11-10 14:36:59,707 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:59,708 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] [2024-11-10 14:36:59,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-10 14:36:59,708 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:36:59,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:59,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1431093966, now seen corresponding path program 1 times [2024-11-10 14:36:59,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:59,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672271759] [2024-11-10 14:36:59,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:59,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:37:00,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:00,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672271759] [2024-11-10 14:37:00,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672271759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:00,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:00,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:37:00,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721759649] [2024-11-10 14:37:00,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:00,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:37:00,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:00,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:37:00,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:37:01,051 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 586 [2024-11-10 14:37:01,052 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) [2024-11-10 14:37:01,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:01,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 586 [2024-11-10 14:37:01,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:03,073 INFO L124 PetriNetUnfolderBase]: 462/8679 cut-off events. [2024-11-10 14:37:03,074 INFO L125 PetriNetUnfolderBase]: For 852/903 co-relation queries the response was YES. [2024-11-10 14:37:03,150 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. [2024-11-10 14:37:03,169 INFO L140 encePairwiseOnDemand]: 580/586 looper letters, 29 selfloop transitions, 6 changer transitions 0/560 dead transitions. [2024-11-10 14:37:03,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 560 transitions, 1660 flow [2024-11-10 14:37:03,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:37:03,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:37:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3245 transitions. [2024-11-10 14:37:03,172 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9229237770193401 [2024-11-10 14:37:03,172 INFO L175 Difference]: Start difference. First operand has 550 places, 553 transitions, 1568 flow. Second operand 6 states and 3245 transitions. [2024-11-10 14:37:03,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 560 transitions, 1660 flow [2024-11-10 14:37:03,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 560 transitions, 1656 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:03,182 INFO L231 Difference]: Finished difference. Result has 552 places, 552 transitions, 1574 flow [2024-11-10 14:37:03,183 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} [2024-11-10 14:37:03,183 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 11 predicate places. [2024-11-10 14:37:03,183 INFO L471 AbstractCegarLoop]: Abstraction has has 552 places, 552 transitions, 1574 flow [2024-11-10 14:37:03,183 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) [2024-11-10 14:37:03,183 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:03,184 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] [2024-11-10 14:37:03,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 14:37:03,184 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:37:03,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:03,184 INFO L85 PathProgramCache]: Analyzing trace with hash 546988090, now seen corresponding path program 1 times [2024-11-10 14:37:03,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:03,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888252835] [2024-11-10 14:37:03,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:03,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:37:04,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:04,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888252835] [2024-11-10 14:37:04,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888252835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:04,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:04,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:37:04,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189415176] [2024-11-10 14:37:04,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:04,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:37:04,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:04,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:37:04,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:37:04,367 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 586 [2024-11-10 14:37:04,368 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) [2024-11-10 14:37:04,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:04,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 586 [2024-11-10 14:37:04,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:05,957 INFO L124 PetriNetUnfolderBase]: 216/6534 cut-off events. [2024-11-10 14:37:05,957 INFO L125 PetriNetUnfolderBase]: For 381/463 co-relation queries the response was YES. [2024-11-10 14:37:06,026 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. [2024-11-10 14:37:06,040 INFO L140 encePairwiseOnDemand]: 580/586 looper letters, 29 selfloop transitions, 6 changer transitions 0/559 dead transitions. [2024-11-10 14:37:06,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 559 transitions, 1666 flow [2024-11-10 14:37:06,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:37:06,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:37:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3245 transitions. [2024-11-10 14:37:06,042 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9229237770193401 [2024-11-10 14:37:06,042 INFO L175 Difference]: Start difference. First operand has 552 places, 552 transitions, 1574 flow. Second operand 6 states and 3245 transitions. [2024-11-10 14:37:06,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 559 transitions, 1666 flow [2024-11-10 14:37:06,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 559 transitions, 1654 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:37:06,050 INFO L231 Difference]: Finished difference. Result has 551 places, 551 transitions, 1572 flow [2024-11-10 14:37:06,051 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} [2024-11-10 14:37:06,051 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 10 predicate places. [2024-11-10 14:37:06,051 INFO L471 AbstractCegarLoop]: Abstraction has has 551 places, 551 transitions, 1572 flow [2024-11-10 14:37:06,052 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) [2024-11-10 14:37:06,052 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:06,052 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] [2024-11-10 14:37:06,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-10 14:37:06,052 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:37:06,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:06,053 INFO L85 PathProgramCache]: Analyzing trace with hash 88049491, now seen corresponding path program 1 times [2024-11-10 14:37:06,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:06,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790759253] [2024-11-10 14:37:06,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:06,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:37:06,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:06,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790759253] [2024-11-10 14:37:06,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790759253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:06,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:06,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:37:06,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127060264] [2024-11-10 14:37:06,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:06,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:37:06,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:06,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:37:06,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:37:07,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 586 [2024-11-10 14:37:07,084 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) [2024-11-10 14:37:07,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:07,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 586 [2024-11-10 14:37:07,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:09,036 INFO L124 PetriNetUnfolderBase]: 512/8755 cut-off events. [2024-11-10 14:37:09,036 INFO L125 PetriNetUnfolderBase]: For 811/852 co-relation queries the response was YES. [2024-11-10 14:37:09,101 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. [2024-11-10 14:37:09,116 INFO L140 encePairwiseOnDemand]: 580/586 looper letters, 29 selfloop transitions, 6 changer transitions 0/558 dead transitions. [2024-11-10 14:37:09,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 558 transitions, 1664 flow [2024-11-10 14:37:09,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:37:09,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:37:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3245 transitions. [2024-11-10 14:37:09,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9229237770193401 [2024-11-10 14:37:09,118 INFO L175 Difference]: Start difference. First operand has 551 places, 551 transitions, 1572 flow. Second operand 6 states and 3245 transitions. [2024-11-10 14:37:09,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 558 transitions, 1664 flow [2024-11-10 14:37:09,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 558 transitions, 1652 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:37:09,129 INFO L231 Difference]: Finished difference. Result has 550 places, 550 transitions, 1570 flow [2024-11-10 14:37:09,130 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} [2024-11-10 14:37:09,130 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 9 predicate places. [2024-11-10 14:37:09,130 INFO L471 AbstractCegarLoop]: Abstraction has has 550 places, 550 transitions, 1570 flow [2024-11-10 14:37:09,131 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) [2024-11-10 14:37:09,131 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:09,131 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] [2024-11-10 14:37:09,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-10 14:37:09,132 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:37:09,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:09,132 INFO L85 PathProgramCache]: Analyzing trace with hash -509982363, now seen corresponding path program 1 times [2024-11-10 14:37:09,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:09,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708040050] [2024-11-10 14:37:09,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:09,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:37:09,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:09,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708040050] [2024-11-10 14:37:09,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708040050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:09,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:09,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:09,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821193787] [2024-11-10 14:37:09,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:09,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:09,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:09,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:09,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:09,287 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-10 14:37:09,288 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) [2024-11-10 14:37:09,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:09,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-10 14:37:09,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:11,262 INFO L124 PetriNetUnfolderBase]: 226/8066 cut-off events. [2024-11-10 14:37:11,262 INFO L125 PetriNetUnfolderBase]: For 406/632 co-relation queries the response was YES. [2024-11-10 14:37:11,374 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. [2024-11-10 14:37:11,397 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 14 selfloop transitions, 3 changer transitions 0/551 dead transitions. [2024-11-10 14:37:11,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 551 transitions, 1608 flow [2024-11-10 14:37:11,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:11,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1657 transitions. [2024-11-10 14:37:11,398 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425483503981797 [2024-11-10 14:37:11,398 INFO L175 Difference]: Start difference. First operand has 550 places, 550 transitions, 1570 flow. Second operand 3 states and 1657 transitions. [2024-11-10 14:37:11,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 551 transitions, 1608 flow [2024-11-10 14:37:11,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 551 transitions, 1596 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:37:11,409 INFO L231 Difference]: Finished difference. Result has 546 places, 549 transitions, 1562 flow [2024-11-10 14:37:11,409 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} [2024-11-10 14:37:11,410 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 5 predicate places. [2024-11-10 14:37:11,410 INFO L471 AbstractCegarLoop]: Abstraction has has 546 places, 549 transitions, 1562 flow [2024-11-10 14:37:11,410 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) [2024-11-10 14:37:11,410 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:11,410 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] [2024-11-10 14:37:11,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-10 14:37:11,411 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:37:11,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:11,411 INFO L85 PathProgramCache]: Analyzing trace with hash -329682327, now seen corresponding path program 1 times [2024-11-10 14:37:11,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:11,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856188869] [2024-11-10 14:37:11,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:11,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:11,535 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:37:11,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:11,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856188869] [2024-11-10 14:37:11,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856188869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:11,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:11,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:11,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414358686] [2024-11-10 14:37:11,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:11,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:11,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:11,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:11,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:11,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-10 14:37:11,565 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) [2024-11-10 14:37:11,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:11,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-10 14:37:11,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:13,927 INFO L124 PetriNetUnfolderBase]: 325/8506 cut-off events. [2024-11-10 14:37:13,927 INFO L125 PetriNetUnfolderBase]: For 482/619 co-relation queries the response was YES. [2024-11-10 14:37:14,048 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. [2024-11-10 14:37:14,070 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 14 selfloop transitions, 3 changer transitions 0/550 dead transitions. [2024-11-10 14:37:14,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 550 transitions, 1600 flow [2024-11-10 14:37:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:14,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:14,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1657 transitions. [2024-11-10 14:37:14,072 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425483503981797 [2024-11-10 14:37:14,072 INFO L175 Difference]: Start difference. First operand has 546 places, 549 transitions, 1562 flow. Second operand 3 states and 1657 transitions. [2024-11-10 14:37:14,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 550 transitions, 1600 flow [2024-11-10 14:37:14,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 550 transitions, 1594 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:14,080 INFO L231 Difference]: Finished difference. Result has 545 places, 548 transitions, 1560 flow [2024-11-10 14:37:14,081 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} [2024-11-10 14:37:14,081 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 4 predicate places. [2024-11-10 14:37:14,081 INFO L471 AbstractCegarLoop]: Abstraction has has 545 places, 548 transitions, 1560 flow [2024-11-10 14:37:14,081 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) [2024-11-10 14:37:14,081 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:14,082 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] [2024-11-10 14:37:14,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-10 14:37:14,082 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:37:14,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:14,082 INFO L85 PathProgramCache]: Analyzing trace with hash -674089246, now seen corresponding path program 1 times [2024-11-10 14:37:14,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:14,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125237470] [2024-11-10 14:37:14,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:14,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-10 14:37:14,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:14,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125237470] [2024-11-10 14:37:14,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125237470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:14,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:14,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:14,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897895636] [2024-11-10 14:37:14,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:14,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:14,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:14,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:14,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:14,214 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 586 [2024-11-10 14:37:14,215 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) [2024-11-10 14:37:14,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:14,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 586 [2024-11-10 14:37:14,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:16,271 INFO L124 PetriNetUnfolderBase]: 620/8774 cut-off events. [2024-11-10 14:37:16,271 INFO L125 PetriNetUnfolderBase]: For 922/951 co-relation queries the response was YES. [2024-11-10 14:37:16,330 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. [2024-11-10 14:37:16,333 INFO L140 encePairwiseOnDemand]: 583/586 looper letters, 0 selfloop transitions, 0 changer transitions 549/549 dead transitions. [2024-11-10 14:37:16,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 549 transitions, 1598 flow [2024-11-10 14:37:16,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:16,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1657 transitions. [2024-11-10 14:37:16,334 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425483503981797 [2024-11-10 14:37:16,335 INFO L175 Difference]: Start difference. First operand has 545 places, 548 transitions, 1560 flow. Second operand 3 states and 1657 transitions. [2024-11-10 14:37:16,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 549 transitions, 1598 flow [2024-11-10 14:37:16,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 549 transitions, 1592 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:16,341 INFO L231 Difference]: Finished difference. Result has 544 places, 0 transitions, 0 flow [2024-11-10 14:37:16,341 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} [2024-11-10 14:37:16,342 INFO L277 CegarLoopForPetriNet]: 541 programPoint places, 3 predicate places. [2024-11-10 14:37:16,342 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 0 transitions, 0 flow [2024-11-10 14:37:16,342 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) [2024-11-10 14:37:16,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (80 of 81 remaining) [2024-11-10 14:37:16,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (79 of 81 remaining) [2024-11-10 14:37:16,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (78 of 81 remaining) [2024-11-10 14:37:16,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (77 of 81 remaining) [2024-11-10 14:37:16,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (76 of 81 remaining) [2024-11-10 14:37:16,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (75 of 81 remaining) [2024-11-10 14:37:16,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (74 of 81 remaining) [2024-11-10 14:37:16,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 81 remaining) [2024-11-10 14:37:16,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (72 of 81 remaining) [2024-11-10 14:37:16,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (71 of 81 remaining) [2024-11-10 14:37:16,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (69 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (68 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (67 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (66 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (65 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (63 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (61 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (60 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (59 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (58 of 81 remaining) [2024-11-10 14:37:16,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (57 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (56 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (55 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (54 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (53 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (52 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (50 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (48 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (47 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (46 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (45 of 81 remaining) [2024-11-10 14:37:16,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (44 of 81 remaining) [2024-11-10 14:37:16,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 81 remaining) [2024-11-10 14:37:16,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 81 remaining) [2024-11-10 14:37:16,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 81 remaining) [2024-11-10 14:37:16,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 81 remaining) [2024-11-10 14:37:16,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 81 remaining) [2024-11-10 14:37:16,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 81 remaining) [2024-11-10 14:37:16,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 81 remaining) [2024-11-10 14:37:16,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 81 remaining) [2024-11-10 14:37:16,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 81 remaining) [2024-11-10 14:37:16,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 81 remaining) [2024-11-10 14:37:16,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 81 remaining) [2024-11-10 14:37:16,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 81 remaining) [2024-11-10 14:37:16,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (31 of 81 remaining) [2024-11-10 14:37:16,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (30 of 81 remaining) [2024-11-10 14:37:16,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (29 of 81 remaining) [2024-11-10 14:37:16,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 81 remaining) [2024-11-10 14:37:16,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 81 remaining) [2024-11-10 14:37:16,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (26 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (22 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (21 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (20 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (19 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (18 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (17 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (16 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 81 remaining) [2024-11-10 14:37:16,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 81 remaining) [2024-11-10 14:37:16,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 81 remaining) [2024-11-10 14:37:16,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (10 of 81 remaining) [2024-11-10 14:37:16,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (9 of 81 remaining) [2024-11-10 14:37:16,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 81 remaining) [2024-11-10 14:37:16,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (7 of 81 remaining) [2024-11-10 14:37:16,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 81 remaining) [2024-11-10 14:37:16,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 81 remaining) [2024-11-10 14:37:16,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 81 remaining) [2024-11-10 14:37:16,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 81 remaining) [2024-11-10 14:37:16,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (2 of 81 remaining) [2024-11-10 14:37:16,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (1 of 81 remaining) [2024-11-10 14:37:16,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 81 remaining) [2024-11-10 14:37:16,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-10 14:37:16,356 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] [2024-11-10 14:37:16,362 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:37:16,362 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:37:16,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:37:16 BasicIcfg [2024-11-10 14:37:16,367 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:37:16,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:37:16,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:37:16,368 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:37:16,369 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:36:18" (3/4) ... [2024-11-10 14:37:16,370 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:37:16,374 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:37:16,374 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:37:16,374 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-10 14:37:16,383 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2024-11-10 14:37:16,383 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:37:16,383 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:37:16,384 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:37:16,489 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:37:16,489 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:37:16,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:37:16,490 INFO L158 Benchmark]: Toolchain (without parser) took 59534.62ms. Allocated memory was 167.8MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 96.1MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 577.3MB. Max. memory is 16.1GB. [2024-11-10 14:37:16,491 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:37:16,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.67ms. Allocated memory is still 167.8MB. Free memory was 95.8MB in the beginning and 136.6MB in the end (delta: -40.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-10 14:37:16,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.91ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 136.6MB in the beginning and 184.9MB in the end (delta: -48.3MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2024-11-10 14:37:16,493 INFO L158 Benchmark]: Boogie Preprocessor took 51.61ms. Allocated memory is still 216.0MB. Free memory was 184.9MB in the beginning and 181.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:37:16,493 INFO L158 Benchmark]: IcfgBuilder took 1038.77ms. Allocated memory is still 216.0MB. Free memory was 181.7MB in the beginning and 139.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-10 14:37:16,494 INFO L158 Benchmark]: TraceAbstraction took 57853.44ms. Allocated memory was 216.0MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 138.7MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-11-10 14:37:16,494 INFO L158 Benchmark]: Witness Printer took 121.63ms. Allocated memory is still 3.7GB. Free memory was 3.0GB in the beginning and 3.0GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 14:37:16,495 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 167.8MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.67ms. Allocated memory is still 167.8MB. Free memory was 95.8MB in the beginning and 136.6MB in the end (delta: -40.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.91ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 136.6MB in the beginning and 184.9MB in the end (delta: -48.3MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.61ms. Allocated memory is still 216.0MB. Free memory was 184.9MB in the beginning and 181.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 1038.77ms. Allocated memory is still 216.0MB. Free memory was 181.7MB in the beginning and 139.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 57853.44ms. Allocated memory was 216.0MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 138.7MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * Witness Printer took 121.63ms. Allocated memory is still 3.7GB. Free memory was 3.0GB in the beginning and 3.0GB 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: 57.6s, OverallIterations: 38, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 45.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3946 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2582 mSDsluCounter, 1385 SdHoareTripleChecker+Invalid, 4.2s 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, 8.7s 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! [2024-11-10 14:37:16,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE