./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-simple-equiv.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/parallel-simple-equiv.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 de0411014dc6a77a3d6f6b87d1d3911a4ed9d471cff70aeb544ffa33b63e5b55 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:38:22,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:38:22,824 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:38:22,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:38:22,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:38:22,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:38:22,852 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:38:22,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:38:22,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:38:22,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:38:22,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:38:22,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:38:22,856 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:38:22,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:38:22,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:38:22,859 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:38:22,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:38:22,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:38:22,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:38:22,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:38:22,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:38:22,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:38:22,860 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:38:22,860 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:38:22,861 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:38:22,861 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:38:22,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:38:22,861 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:38:22,861 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:38:22,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:38:22,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:38:22,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:38:22,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:38:22,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:38:22,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:38:22,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:38:22,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:38:22,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:38:22,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:38:22,864 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:38:22,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:38:22,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de0411014dc6a77a3d6f6b87d1d3911a4ed9d471cff70aeb544ffa33b63e5b55 [2024-11-10 14:38:23,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:38:23,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:38:23,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:38:23,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:38:23,079 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:38:23,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2024-11-10 14:38:24,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:38:24,492 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:38:24,493 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2024-11-10 14:38:24,500 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b921e5bf0/d63928e7da72408e8f3d15f2882e4630/FLAG904cec5de [2024-11-10 14:38:24,514 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b921e5bf0/d63928e7da72408e8f3d15f2882e4630 [2024-11-10 14:38:24,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:38:24,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:38:24,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:38:24,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:38:24,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:38:24,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19412676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24, skipping insertion in model container [2024-11-10 14:38:24,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,542 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:38:24,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:38:24,737 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:38:24,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:38:24,778 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:38:24,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24 WrapperNode [2024-11-10 14:38:24,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:38:24,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:38:24,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:38:24,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:38:24,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,806 INFO L138 Inliner]: procedures = 19, calls = 12, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-11-10 14:38:24,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:38:24,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:38:24,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:38:24,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:38:24,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,817 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:38:24,821 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:38:24,821 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:38:24,821 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:38:24,822 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24" (1/1) ... [2024-11-10 14:38:24,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:38:24,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:38:24,853 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 14:38:24,855 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 14:38:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:38:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:38:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:38:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:38:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:38:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-10 14:38:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-10 14:38:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:38:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:38:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:38:24,887 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 14:38:24,962 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:38:24,963 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:38:25,109 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:38:25,109 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:38:25,130 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:38:25,131 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:38:25,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:25 BoogieIcfgContainer [2024-11-10 14:38:25,131 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:38:25,133 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:38:25,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:38:25,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:38:25,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:38:24" (1/3) ... [2024-11-10 14:38:25,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d40c745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:38:25, skipping insertion in model container [2024-11-10 14:38:25,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:24" (2/3) ... [2024-11-10 14:38:25,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d40c745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:38:25, skipping insertion in model container [2024-11-10 14:38:25,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:25" (3/3) ... [2024-11-10 14:38:25,139 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2024-11-10 14:38:25,151 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:38:25,151 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-10 14:38:25,152 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:38:25,205 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-10 14:38:25,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 144 places, 136 transitions, 293 flow [2024-11-10 14:38:25,278 INFO L124 PetriNetUnfolderBase]: 2/133 cut-off events. [2024-11-10 14:38:25,279 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:38:25,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 133 events. 2/133 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2024-11-10 14:38:25,283 INFO L82 GeneralOperation]: Start removeDead. Operand has 144 places, 136 transitions, 293 flow [2024-11-10 14:38:25,287 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 116 transitions, 250 flow [2024-11-10 14:38:25,293 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:38:25,298 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;@3d8e5eae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:38:25,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-11-10 14:38:25,303 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:38:25,303 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-10 14:38:25,303 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:38:25,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:25,304 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:25,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread3Err7ASSERT_VIOLATIONDATA_RACE, thread3Err6ASSERT_VIOLATIONDATA_RACE, thread3Err5ASSERT_VIOLATIONDATA_RACE, thread3Err4ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-10 14:38:25,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:25,310 INFO L85 PathProgramCache]: Analyzing trace with hash -598466640, now seen corresponding path program 1 times [2024-11-10 14:38:25,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:25,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224745428] [2024-11-10 14:38:25,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:25,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:25,448 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 14:38:25,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:25,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224745428] [2024-11-10 14:38:25,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224745428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:25,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:25,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:25,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453771010] [2024-11-10 14:38:25,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:25,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:25,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:25,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:25,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:25,524 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 136 [2024-11-10 14:38:25,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 116 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states 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 14:38:25,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:25,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 136 [2024-11-10 14:38:25,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:25,601 INFO L124 PetriNetUnfolderBase]: 39/249 cut-off events. [2024-11-10 14:38:25,603 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-11-10 14:38:25,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 249 events. 39/249 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 793 event pairs, 39 based on Foata normal form. 1/218 useless extension candidates. Maximal degree in co-relation 265. Up to 88 conditions per place. [2024-11-10 14:38:25,606 INFO L140 encePairwiseOnDemand]: 132/136 looper letters, 18 selfloop transitions, 2 changer transitions 1/114 dead transitions. [2024-11-10 14:38:25,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 114 transitions, 286 flow [2024-11-10 14:38:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:25,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:25,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 355 transitions. [2024-11-10 14:38:25,630 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8700980392156863 [2024-11-10 14:38:25,631 INFO L175 Difference]: Start difference. First operand has 125 places, 116 transitions, 250 flow. Second operand 3 states and 355 transitions. [2024-11-10 14:38:25,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 114 transitions, 286 flow [2024-11-10 14:38:25,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 114 transitions, 274 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-10 14:38:25,637 INFO L231 Difference]: Finished difference. Result has 120 places, 113 transitions, 236 flow [2024-11-10 14:38:25,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=120, PETRI_TRANSITIONS=113} [2024-11-10 14:38:25,646 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -5 predicate places. [2024-11-10 14:38:25,646 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 113 transitions, 236 flow [2024-11-10 14:38:25,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states 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 14:38:25,646 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:25,646 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:25,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:38:25,647 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread3Err7ASSERT_VIOLATIONDATA_RACE, thread3Err6ASSERT_VIOLATIONDATA_RACE, thread3Err5ASSERT_VIOLATIONDATA_RACE, thread3Err4ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-10 14:38:25,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:25,647 INFO L85 PathProgramCache]: Analyzing trace with hash -2072265660, now seen corresponding path program 1 times [2024-11-10 14:38:25,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:25,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579938295] [2024-11-10 14:38:25,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:25,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:25,728 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 14:38:25,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:25,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579938295] [2024-11-10 14:38:25,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579938295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:25,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:25,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:25,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175243039] [2024-11-10 14:38:25,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:25,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:25,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:25,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:25,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:25,759 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 136 [2024-11-10 14:38:25,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 113 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states 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 14:38:25,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:25,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 136 [2024-11-10 14:38:25,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:25,813 INFO L124 PetriNetUnfolderBase]: 39/247 cut-off events. [2024-11-10 14:38:25,814 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-10 14:38:25,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 247 events. 39/247 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 792 event pairs, 39 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 315. Up to 86 conditions per place. [2024-11-10 14:38:25,816 INFO L140 encePairwiseOnDemand]: 133/136 looper letters, 16 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2024-11-10 14:38:25,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 112 transitions, 270 flow [2024-11-10 14:38:25,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2024-11-10 14:38:25,818 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8774509803921569 [2024-11-10 14:38:25,818 INFO L175 Difference]: Start difference. First operand has 120 places, 113 transitions, 236 flow. Second operand 3 states and 358 transitions. [2024-11-10 14:38:25,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 112 transitions, 270 flow [2024-11-10 14:38:25,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 112 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:25,821 INFO L231 Difference]: Finished difference. Result has 118 places, 112 transitions, 234 flow [2024-11-10 14:38:25,821 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=118, PETRI_TRANSITIONS=112} [2024-11-10 14:38:25,822 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -7 predicate places. [2024-11-10 14:38:25,822 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 112 transitions, 234 flow [2024-11-10 14:38:25,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states 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 14:38:25,823 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:25,823 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] [2024-11-10 14:38:25,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:38:25,823 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread3Err7ASSERT_VIOLATIONDATA_RACE, thread3Err6ASSERT_VIOLATIONDATA_RACE, thread3Err5ASSERT_VIOLATIONDATA_RACE, thread3Err4ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-10 14:38:25,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:25,826 INFO L85 PathProgramCache]: Analyzing trace with hash 745122265, now seen corresponding path program 1 times [2024-11-10 14:38:25,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:25,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350261676] [2024-11-10 14:38:25,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:25,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:25,866 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 14:38:25,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:25,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350261676] [2024-11-10 14:38:25,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350261676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:25,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:25,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:25,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859227412] [2024-11-10 14:38:25,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:25,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:25,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:25,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:25,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:25,900 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 136 [2024-11-10 14:38:25,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 112 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states 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 14:38:25,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:25,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 136 [2024-11-10 14:38:25,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:25,966 INFO L124 PetriNetUnfolderBase]: 55/415 cut-off events. [2024-11-10 14:38:25,969 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-10 14:38:25,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 415 events. 55/415 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1789 event pairs, 39 based on Foata normal form. 1/366 useless extension candidates. Maximal degree in co-relation 505. Up to 83 conditions per place. [2024-11-10 14:38:25,971 INFO L140 encePairwiseOnDemand]: 127/136 looper letters, 17 selfloop transitions, 4 changer transitions 2/112 dead transitions. [2024-11-10 14:38:25,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 112 transitions, 282 flow [2024-11-10 14:38:25,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:25,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:25,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2024-11-10 14:38:25,975 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8676470588235294 [2024-11-10 14:38:25,976 INFO L175 Difference]: Start difference. First operand has 118 places, 112 transitions, 234 flow. Second operand 3 states and 354 transitions. [2024-11-10 14:38:25,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 112 transitions, 282 flow [2024-11-10 14:38:25,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 112 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:25,978 INFO L231 Difference]: Finished difference. Result has 114 places, 106 transitions, 225 flow [2024-11-10 14:38:25,979 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=114, PETRI_TRANSITIONS=106} [2024-11-10 14:38:25,980 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -11 predicate places. [2024-11-10 14:38:25,980 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 106 transitions, 225 flow [2024-11-10 14:38:25,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states 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 14:38:25,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:25,981 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:25,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:38:25,981 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread3Err7ASSERT_VIOLATIONDATA_RACE, thread3Err6ASSERT_VIOLATIONDATA_RACE, thread3Err5ASSERT_VIOLATIONDATA_RACE, thread3Err4ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-10 14:38:25,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:25,982 INFO L85 PathProgramCache]: Analyzing trace with hash 945786246, now seen corresponding path program 1 times [2024-11-10 14:38:25,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:25,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931168032] [2024-11-10 14:38:25,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:25,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:26,055 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 14:38:26,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:26,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931168032] [2024-11-10 14:38:26,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931168032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:26,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:26,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:26,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887281983] [2024-11-10 14:38:26,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:26,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:26,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:26,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:26,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:26,083 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 136 [2024-11-10 14:38:26,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 106 transitions, 225 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states 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 14:38:26,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:26,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 136 [2024-11-10 14:38:26,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:26,129 INFO L124 PetriNetUnfolderBase]: 63/396 cut-off events. [2024-11-10 14:38:26,129 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-10 14:38:26,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 396 events. 63/396 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1688 event pairs, 47 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 289. Up to 98 conditions per place. [2024-11-10 14:38:26,133 INFO L140 encePairwiseOnDemand]: 133/136 looper letters, 18 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2024-11-10 14:38:26,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 109 transitions, 273 flow [2024-11-10 14:38:26,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:26,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2024-11-10 14:38:26,135 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8970588235294118 [2024-11-10 14:38:26,135 INFO L175 Difference]: Start difference. First operand has 114 places, 106 transitions, 225 flow. Second operand 3 states and 366 transitions. [2024-11-10 14:38:26,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 109 transitions, 273 flow [2024-11-10 14:38:26,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 109 transitions, 265 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:26,138 INFO L231 Difference]: Finished difference. Result has 111 places, 105 transitions, 219 flow [2024-11-10 14:38:26,138 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=111, PETRI_TRANSITIONS=105} [2024-11-10 14:38:26,140 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -14 predicate places. [2024-11-10 14:38:26,141 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 105 transitions, 219 flow [2024-11-10 14:38:26,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states 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 14:38:26,141 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:26,141 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] [2024-11-10 14:38:26,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:38:26,141 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread3Err7ASSERT_VIOLATIONDATA_RACE, thread3Err6ASSERT_VIOLATIONDATA_RACE, thread3Err5ASSERT_VIOLATIONDATA_RACE, thread3Err4ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-10 14:38:26,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:26,142 INFO L85 PathProgramCache]: Analyzing trace with hash 932856997, now seen corresponding path program 1 times [2024-11-10 14:38:26,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:26,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508726169] [2024-11-10 14:38:26,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:26,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:26,206 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 14:38:26,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:26,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508726169] [2024-11-10 14:38:26,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508726169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:26,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:26,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:26,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439637662] [2024-11-10 14:38:26,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:26,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:26,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:26,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:26,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:26,223 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 136 [2024-11-10 14:38:26,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 105 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states 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 14:38:26,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:26,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 136 [2024-11-10 14:38:26,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:26,267 INFO L124 PetriNetUnfolderBase]: 55/350 cut-off events. [2024-11-10 14:38:26,268 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-11-10 14:38:26,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 480 conditions, 350 events. 55/350 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1351 event pairs, 23 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 323. Up to 60 conditions per place. [2024-11-10 14:38:26,270 INFO L140 encePairwiseOnDemand]: 131/136 looper letters, 16 selfloop transitions, 3 changer transitions 0/107 dead transitions. [2024-11-10 14:38:26,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 107 transitions, 263 flow [2024-11-10 14:38:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:26,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2024-11-10 14:38:26,271 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8970588235294118 [2024-11-10 14:38:26,271 INFO L175 Difference]: Start difference. First operand has 111 places, 105 transitions, 219 flow. Second operand 3 states and 366 transitions. [2024-11-10 14:38:26,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 107 transitions, 263 flow [2024-11-10 14:38:26,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 107 transitions, 259 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:26,273 INFO L231 Difference]: Finished difference. Result has 109 places, 103 transitions, 217 flow [2024-11-10 14:38:26,273 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=217, PETRI_PLACES=109, PETRI_TRANSITIONS=103} [2024-11-10 14:38:26,274 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -16 predicate places. [2024-11-10 14:38:26,274 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 103 transitions, 217 flow [2024-11-10 14:38:26,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states 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 14:38:26,274 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:26,275 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] [2024-11-10 14:38:26,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:38:26,275 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread3Err7ASSERT_VIOLATIONDATA_RACE, thread3Err6ASSERT_VIOLATIONDATA_RACE, thread3Err5ASSERT_VIOLATIONDATA_RACE, thread3Err4ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-10 14:38:26,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:26,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1569963609, now seen corresponding path program 1 times [2024-11-10 14:38:26,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:26,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967798440] [2024-11-10 14:38:26,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:26,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:26,343 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 14:38:26,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:26,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967798440] [2024-11-10 14:38:26,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967798440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:26,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:26,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:26,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357154119] [2024-11-10 14:38:26,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:26,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:26,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:26,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:26,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:26,372 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 136 [2024-11-10 14:38:26,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 103 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states 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 14:38:26,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:26,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 136 [2024-11-10 14:38:26,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:26,463 INFO L124 PetriNetUnfolderBase]: 63/351 cut-off events. [2024-11-10 14:38:26,463 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-10 14:38:26,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 504 conditions, 351 events. 63/351 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1368 event pairs, 47 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 232. Up to 99 conditions per place. [2024-11-10 14:38:26,466 INFO L140 encePairwiseOnDemand]: 133/136 looper letters, 19 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2024-11-10 14:38:26,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 106 transitions, 267 flow [2024-11-10 14:38:26,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:26,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:26,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2024-11-10 14:38:26,467 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8848039215686274 [2024-11-10 14:38:26,467 INFO L175 Difference]: Start difference. First operand has 109 places, 103 transitions, 217 flow. Second operand 3 states and 361 transitions. [2024-11-10 14:38:26,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 106 transitions, 267 flow [2024-11-10 14:38:26,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 106 transitions, 261 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:26,468 INFO L231 Difference]: Finished difference. Result has 108 places, 102 transitions, 213 flow [2024-11-10 14:38:26,469 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=213, PETRI_PLACES=108, PETRI_TRANSITIONS=102} [2024-11-10 14:38:26,471 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -17 predicate places. [2024-11-10 14:38:26,471 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 102 transitions, 213 flow [2024-11-10 14:38:26,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states 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 14:38:26,471 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:26,471 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] [2024-11-10 14:38:26,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:38:26,472 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread3Err7ASSERT_VIOLATIONDATA_RACE, thread3Err6ASSERT_VIOLATIONDATA_RACE, thread3Err5ASSERT_VIOLATIONDATA_RACE, thread3Err4ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-10 14:38:26,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:26,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1234528497, now seen corresponding path program 1 times [2024-11-10 14:38:26,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:26,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721696623] [2024-11-10 14:38:26,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:26,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:26,516 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 14:38:26,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:26,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721696623] [2024-11-10 14:38:26,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721696623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:26,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:26,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:26,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559322620] [2024-11-10 14:38:26,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:26,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:26,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:26,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:26,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:26,538 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 136 [2024-11-10 14:38:26,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 102 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states 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 14:38:26,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:26,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 136 [2024-11-10 14:38:26,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:26,579 INFO L124 PetriNetUnfolderBase]: 63/320 cut-off events. [2024-11-10 14:38:26,580 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-10 14:38:26,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 320 events. 63/320 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1162 event pairs, 47 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 260. Up to 98 conditions per place. [2024-11-10 14:38:26,581 INFO L140 encePairwiseOnDemand]: 133/136 looper letters, 18 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2024-11-10 14:38:26,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 105 transitions, 261 flow [2024-11-10 14:38:26,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:26,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:26,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2024-11-10 14:38:26,582 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8970588235294118 [2024-11-10 14:38:26,582 INFO L175 Difference]: Start difference. First operand has 108 places, 102 transitions, 213 flow. Second operand 3 states and 366 transitions. [2024-11-10 14:38:26,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 105 transitions, 261 flow [2024-11-10 14:38:26,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 105 transitions, 257 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:26,584 INFO L231 Difference]: Finished difference. Result has 107 places, 101 transitions, 211 flow [2024-11-10 14:38:26,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=211, PETRI_PLACES=107, PETRI_TRANSITIONS=101} [2024-11-10 14:38:26,585 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -18 predicate places. [2024-11-10 14:38:26,586 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 101 transitions, 211 flow [2024-11-10 14:38:26,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states 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 14:38:26,586 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:26,587 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:26,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:38:26,587 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread3Err7ASSERT_VIOLATIONDATA_RACE, thread3Err6ASSERT_VIOLATIONDATA_RACE, thread3Err5ASSERT_VIOLATIONDATA_RACE, thread3Err4ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-10 14:38:26,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:26,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1409049264, now seen corresponding path program 1 times [2024-11-10 14:38:26,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:26,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976267998] [2024-11-10 14:38:26,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:26,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:26,631 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 14:38:26,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:26,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976267998] [2024-11-10 14:38:26,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976267998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:26,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:26,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:26,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189904301] [2024-11-10 14:38:26,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:26,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:26,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:26,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:26,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:26,656 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 136 [2024-11-10 14:38:26,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 101 transitions, 211 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states 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 14:38:26,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:26,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 136 [2024-11-10 14:38:26,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:26,691 INFO L124 PetriNetUnfolderBase]: 63/289 cut-off events. [2024-11-10 14:38:26,691 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-10 14:38:26,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 289 events. 63/289 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1011 event pairs, 47 based on Foata normal form. 0/267 useless extension candidates. Maximal degree in co-relation 272. Up to 99 conditions per place. [2024-11-10 14:38:26,692 INFO L140 encePairwiseOnDemand]: 133/136 looper letters, 0 selfloop transitions, 0 changer transitions 104/104 dead transitions. [2024-11-10 14:38:26,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 104 transitions, 261 flow [2024-11-10 14:38:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2024-11-10 14:38:26,694 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8848039215686274 [2024-11-10 14:38:26,694 INFO L175 Difference]: Start difference. First operand has 107 places, 101 transitions, 211 flow. Second operand 3 states and 361 transitions. [2024-11-10 14:38:26,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 104 transitions, 261 flow [2024-11-10 14:38:26,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 104 transitions, 257 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:26,695 INFO L231 Difference]: Finished difference. Result has 106 places, 0 transitions, 0 flow [2024-11-10 14:38:26,695 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=106, PETRI_TRANSITIONS=0} [2024-11-10 14:38:26,696 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -19 predicate places. [2024-11-10 14:38:26,696 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 0 transitions, 0 flow [2024-11-10 14:38:26,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states 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 14:38:26,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (22 of 23 remaining) [2024-11-10 14:38:26,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2024-11-10 14:38:26,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2024-11-10 14:38:26,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2024-11-10 14:38:26,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2024-11-10 14:38:26,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2024-11-10 14:38:26,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2024-11-10 14:38:26,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2024-11-10 14:38:26,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2024-11-10 14:38:26,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2024-11-10 14:38:26,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2024-11-10 14:38:26,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2024-11-10 14:38:26,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 23 remaining) [2024-11-10 14:38:26,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 23 remaining) [2024-11-10 14:38:26,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 23 remaining) [2024-11-10 14:38:26,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (7 of 23 remaining) [2024-11-10 14:38:26,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2024-11-10 14:38:26,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2024-11-10 14:38:26,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2024-11-10 14:38:26,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2024-11-10 14:38:26,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2024-11-10 14:38:26,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2024-11-10 14:38:26,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2024-11-10 14:38:26,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:38:26,703 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:26,707 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:38:26,707 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:38:26,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:38:26 BasicIcfg [2024-11-10 14:38:26,711 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:38:26,712 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:38:26,712 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:38:26,712 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:38:26,712 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:25" (3/4) ... [2024-11-10 14:38:26,713 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:38:26,717 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:38:26,717 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:38:26,718 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-10 14:38:26,721 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 14:38:26,721 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:38:26,721 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 14:38:26,721 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:38:26,785 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:38:26,786 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:38:26,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:38:26,787 INFO L158 Benchmark]: Toolchain (without parser) took 2267.46ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 67.5MB in the beginning and 105.3MB in the end (delta: -37.7MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-10 14:38:26,787 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:38:26,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.75ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 67.3MB in the beginning and 172.2MB in the end (delta: -104.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-10 14:38:26,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.88ms. Allocated memory is still 207.6MB. Free memory was 172.2MB in the beginning and 171.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:38:26,787 INFO L158 Benchmark]: Boogie Preprocessor took 14.30ms. Allocated memory is still 207.6MB. Free memory was 171.1MB in the beginning and 170.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:38:26,788 INFO L158 Benchmark]: IcfgBuilder took 309.96ms. Allocated memory is still 207.6MB. Free memory was 169.0MB in the beginning and 153.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 14:38:26,788 INFO L158 Benchmark]: TraceAbstraction took 1578.69ms. Allocated memory is still 207.6MB. Free memory was 152.3MB in the beginning and 109.5MB in the end (delta: 42.8MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-11-10 14:38:26,789 INFO L158 Benchmark]: Witness Printer took 74.08ms. Allocated memory is still 207.6MB. Free memory was 109.5MB in the beginning and 105.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:38:26,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.75ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 67.3MB in the beginning and 172.2MB in the end (delta: -104.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.88ms. Allocated memory is still 207.6MB. Free memory was 172.2MB in the beginning and 171.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.30ms. Allocated memory is still 207.6MB. Free memory was 171.1MB in the beginning and 170.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 309.96ms. Allocated memory is still 207.6MB. Free memory was 169.0MB in the beginning and 153.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1578.69ms. Allocated memory is still 207.6MB. Free memory was 152.3MB in the beginning and 109.5MB in the end (delta: 42.8MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Witness Printer took 74.08ms. Allocated memory is still 207.6MB. Free memory was 109.5MB in the beginning and 105.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 190 locations, 23 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: 1.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 332 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 401 IncrementalHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 84 mSDtfsCounter, 401 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=0, InterpolantAutomatonStates: 24, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 439 NumberOfCodeBlocks, 439 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 447 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:38:26,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE