./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-4.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-misc-4.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 287b872f435ea31dbbf77f267944e24b96122b5f745db0674c91555289f3b84c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:38:14,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:38:14,276 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:38:14,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:38:14,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:38:14,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:38:14,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:38:14,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:38:14,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:38:14,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:38:14,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:38:14,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:38:14,329 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:38:14,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:38:14,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:38:14,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:38:14,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:38:14,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:38:14,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:38:14,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:38:14,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:38:14,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:38:14,336 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:38:14,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:38:14,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:38:14,336 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:38:14,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:38:14,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:38:14,337 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:38:14,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:38:14,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:38:14,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:38:14,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:38:14,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:38:14,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:38:14,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:38:14,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:38:14,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:38:14,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:38:14,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:38:14,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:38:14,340 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 287b872f435ea31dbbf77f267944e24b96122b5f745db0674c91555289f3b84c [2024-11-10 14:38:14,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:38:14,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:38:14,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:38:14,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:38:14,554 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:38:14,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-4.wvr.c [2024-11-10 14:38:15,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:38:16,666 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:38:16,667 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-4.wvr.c [2024-11-10 14:38:16,674 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/841756133/b2642cd98ceb4a139d30c287a3f4af58/FLAG591a9ef0f [2024-11-10 14:38:16,689 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/841756133/b2642cd98ceb4a139d30c287a3f4af58 [2024-11-10 14:38:16,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:38:16,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:38:16,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:38:16,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:38:16,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:38:16,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:16,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a5302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16, skipping insertion in model container [2024-11-10 14:38:16,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:16,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:38:16,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:38:16,920 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:38:16,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:38:16,967 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:38:16,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16 WrapperNode [2024-11-10 14:38:16,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:38:16,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:38:16,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:38:16,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:38:16,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:16,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,002 INFO L138 Inliner]: procedures = 19, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2024-11-10 14:38:17,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:38:17,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:38:17,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:38:17,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:38:17,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,019 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:38:17,025 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:38:17,025 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:38:17,025 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:38:17,026 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:38:17,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:38:17,056 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 14:38:17,063 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 14:38:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:38:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:38:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:38:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:38:17,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:38:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-10 14:38:17,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-10 14:38:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:38:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:38:17,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:38:17,113 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 14:38:17,210 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:38:17,211 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:38:17,427 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:38:17,428 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:38:17,457 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:38:17,457 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:38:17,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:17 BoogieIcfgContainer [2024-11-10 14:38:17,458 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:38:17,460 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:38:17,460 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:38:17,462 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:38:17,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:38:16" (1/3) ... [2024-11-10 14:38:17,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15260fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:38:17, skipping insertion in model container [2024-11-10 14:38:17,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (2/3) ... [2024-11-10 14:38:17,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15260fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:38:17, skipping insertion in model container [2024-11-10 14:38:17,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:17" (3/3) ... [2024-11-10 14:38:17,465 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-4.wvr.c [2024-11-10 14:38:17,478 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:38:17,479 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-11-10 14:38:17,479 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:38:17,568 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-10 14:38:17,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 152 transitions, 325 flow [2024-11-10 14:38:17,707 INFO L124 PetriNetUnfolderBase]: 9/149 cut-off events. [2024-11-10 14:38:17,708 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:38:17,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 149 events. 9/149 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 214 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 135. Up to 2 conditions per place. [2024-11-10 14:38:17,713 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 152 transitions, 325 flow [2024-11-10 14:38:17,716 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 139 transitions, 290 flow [2024-11-10 14:38:17,726 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:38:17,732 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;@6746c4d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:38:17,733 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-10 14:38:17,737 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:38:17,738 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-10 14:38:17,738 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:38:17,738 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:17,739 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] [2024-11-10 14:38:17,739 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-10 14:38:17,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:17,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1604954903, now seen corresponding path program 1 times [2024-11-10 14:38:17,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:17,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228164851] [2024-11-10 14:38:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:17,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:17,920 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 14:38:17,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:17,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228164851] [2024-11-10 14:38:17,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228164851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:17,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:17,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:17,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684388907] [2024-11-10 14:38:17,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:17,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:17,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:17,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:17,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:17,998 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 152 [2024-11-10 14:38:18,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 139 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 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 14:38:18,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:18,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 152 [2024-11-10 14:38:18,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:18,091 INFO L124 PetriNetUnfolderBase]: 85/351 cut-off events. [2024-11-10 14:38:18,092 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES. [2024-11-10 14:38:18,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 351 events. 85/351 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1505 event pairs, 46 based on Foata normal form. 34/339 useless extension candidates. Maximal degree in co-relation 406. Up to 130 conditions per place. [2024-11-10 14:38:18,097 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 19 selfloop transitions, 2 changer transitions 1/135 dead transitions. [2024-11-10 14:38:18,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 135 transitions, 324 flow [2024-11-10 14:38:18,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:18,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:18,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2024-11-10 14:38:18,108 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8640350877192983 [2024-11-10 14:38:18,111 INFO L175 Difference]: Start difference. First operand has 140 places, 139 transitions, 290 flow. Second operand 3 states and 394 transitions. [2024-11-10 14:38:18,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 135 transitions, 324 flow [2024-11-10 14:38:18,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 135 transitions, 318 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:38:18,120 INFO L231 Difference]: Finished difference. Result has 137 places, 134 transitions, 278 flow [2024-11-10 14:38:18,122 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=137, PETRI_TRANSITIONS=134} [2024-11-10 14:38:18,126 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -3 predicate places. [2024-11-10 14:38:18,126 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 134 transitions, 278 flow [2024-11-10 14:38:18,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 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 14:38:18,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:18,127 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 14:38:18,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:38:18,128 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-10 14:38:18,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:18,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1892771021, now seen corresponding path program 1 times [2024-11-10 14:38:18,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:18,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797848557] [2024-11-10 14:38:18,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:18,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:18,189 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 14:38:18,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:18,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797848557] [2024-11-10 14:38:18,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797848557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:18,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:18,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:18,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714463972] [2024-11-10 14:38:18,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:18,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:18,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:18,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:18,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:18,224 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 152 [2024-11-10 14:38:18,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 134 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 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 14:38:18,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:18,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 152 [2024-11-10 14:38:18,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:18,315 INFO L124 PetriNetUnfolderBase]: 93/449 cut-off events. [2024-11-10 14:38:18,316 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-10 14:38:18,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 449 events. 93/449 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2217 event pairs, 67 based on Foata normal form. 0/382 useless extension candidates. Maximal degree in co-relation 609. Up to 151 conditions per place. [2024-11-10 14:38:18,323 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 18 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-11-10 14:38:18,323 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 133 transitions, 316 flow [2024-11-10 14:38:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:18,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:18,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2024-11-10 14:38:18,328 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8618421052631579 [2024-11-10 14:38:18,328 INFO L175 Difference]: Start difference. First operand has 137 places, 134 transitions, 278 flow. Second operand 3 states and 393 transitions. [2024-11-10 14:38:18,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 133 transitions, 316 flow [2024-11-10 14:38:18,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 133 transitions, 312 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:18,333 INFO L231 Difference]: Finished difference. Result has 135 places, 133 transitions, 276 flow [2024-11-10 14:38:18,334 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=135, PETRI_TRANSITIONS=133} [2024-11-10 14:38:18,334 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -5 predicate places. [2024-11-10 14:38:18,335 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 133 transitions, 276 flow [2024-11-10 14:38:18,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 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 14:38:18,335 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:18,336 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:18,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:38:18,336 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-10 14:38:18,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:18,338 INFO L85 PathProgramCache]: Analyzing trace with hash 686940253, now seen corresponding path program 1 times [2024-11-10 14:38:18,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:18,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518607163] [2024-11-10 14:38:18,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:18,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:18,412 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 14:38:18,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:18,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518607163] [2024-11-10 14:38:18,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518607163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:18,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:18,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:18,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664557548] [2024-11-10 14:38:18,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:18,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:18,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:18,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:18,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:18,433 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 152 [2024-11-10 14:38:18,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 133 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 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 14:38:18,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:18,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 152 [2024-11-10 14:38:18,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:18,495 INFO L124 PetriNetUnfolderBase]: 127/445 cut-off events. [2024-11-10 14:38:18,497 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-10 14:38:18,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 445 events. 127/445 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2091 event pairs, 20 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 658. Up to 147 conditions per place. [2024-11-10 14:38:18,502 INFO L140 encePairwiseOnDemand]: 145/152 looper letters, 26 selfloop transitions, 3 changer transitions 0/137 dead transitions. [2024-11-10 14:38:18,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 137 transitions, 348 flow [2024-11-10 14:38:18,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:18,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:18,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 396 transitions. [2024-11-10 14:38:18,506 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.868421052631579 [2024-11-10 14:38:18,506 INFO L175 Difference]: Start difference. First operand has 135 places, 133 transitions, 276 flow. Second operand 3 states and 396 transitions. [2024-11-10 14:38:18,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 137 transitions, 348 flow [2024-11-10 14:38:18,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 137 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:18,510 INFO L231 Difference]: Finished difference. Result has 132 places, 130 transitions, 277 flow [2024-11-10 14:38:18,511 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=277, PETRI_PLACES=132, PETRI_TRANSITIONS=130} [2024-11-10 14:38:18,511 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -8 predicate places. [2024-11-10 14:38:18,513 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 130 transitions, 277 flow [2024-11-10 14:38:18,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 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 14:38:18,514 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:18,514 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] [2024-11-10 14:38:18,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:38:18,514 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-10 14:38:18,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:18,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1275372660, now seen corresponding path program 1 times [2024-11-10 14:38:18,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:18,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118172731] [2024-11-10 14:38:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:18,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:18,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:18,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:18,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118172731] [2024-11-10 14:38:18,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118172731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:18,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:18,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:18,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819431975] [2024-11-10 14:38:18,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:18,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:18,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:18,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:18,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:18,579 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 152 [2024-11-10 14:38:18,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 130 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 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 14:38:18,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:18,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 152 [2024-11-10 14:38:18,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:18,689 INFO L124 PetriNetUnfolderBase]: 216/719 cut-off events. [2024-11-10 14:38:18,690 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-10 14:38:18,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1144 conditions, 719 events. 216/719 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 4242 event pairs, 56 based on Foata normal form. 0/663 useless extension candidates. Maximal degree in co-relation 519. Up to 273 conditions per place. [2024-11-10 14:38:18,694 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 24 selfloop transitions, 3 changer transitions 0/135 dead transitions. [2024-11-10 14:38:18,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 135 transitions, 347 flow [2024-11-10 14:38:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:18,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:18,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 402 transitions. [2024-11-10 14:38:18,696 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.881578947368421 [2024-11-10 14:38:18,696 INFO L175 Difference]: Start difference. First operand has 132 places, 130 transitions, 277 flow. Second operand 3 states and 402 transitions. [2024-11-10 14:38:18,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 135 transitions, 347 flow [2024-11-10 14:38:18,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 135 transitions, 344 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:38:18,700 INFO L231 Difference]: Finished difference. Result has 131 places, 128 transitions, 281 flow [2024-11-10 14:38:18,700 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=281, PETRI_PLACES=131, PETRI_TRANSITIONS=128} [2024-11-10 14:38:18,702 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -9 predicate places. [2024-11-10 14:38:18,702 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 128 transitions, 281 flow [2024-11-10 14:38:18,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 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 14:38:18,703 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:18,703 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:18,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:38:18,704 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-10 14:38:18,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:18,706 INFO L85 PathProgramCache]: Analyzing trace with hash -841030288, now seen corresponding path program 1 times [2024-11-10 14:38:18,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:18,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079702612] [2024-11-10 14:38:18,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:18,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:18,774 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 14:38:18,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:18,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079702612] [2024-11-10 14:38:18,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079702612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:18,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:18,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:18,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718655194] [2024-11-10 14:38:18,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:18,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:18,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:18,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:18,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:18,799 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 152 [2024-11-10 14:38:18,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 128 transitions, 281 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 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 14:38:18,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:18,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 152 [2024-11-10 14:38:18,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:18,877 INFO L124 PetriNetUnfolderBase]: 216/630 cut-off events. [2024-11-10 14:38:18,877 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES. [2024-11-10 14:38:18,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 630 events. 216/630 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3204 event pairs, 78 based on Foata normal form. 0/584 useless extension candidates. Maximal degree in co-relation 499. Up to 259 conditions per place. [2024-11-10 14:38:18,882 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 24 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2024-11-10 14:38:18,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 132 transitions, 345 flow [2024-11-10 14:38:18,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:18,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 401 transitions. [2024-11-10 14:38:18,883 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8793859649122807 [2024-11-10 14:38:18,883 INFO L175 Difference]: Start difference. First operand has 131 places, 128 transitions, 281 flow. Second operand 3 states and 401 transitions. [2024-11-10 14:38:18,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 132 transitions, 345 flow [2024-11-10 14:38:18,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 132 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:38:18,886 INFO L231 Difference]: Finished difference. Result has 131 places, 127 transitions, 280 flow [2024-11-10 14:38:18,887 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=131, PETRI_TRANSITIONS=127} [2024-11-10 14:38:18,888 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -9 predicate places. [2024-11-10 14:38:18,889 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 127 transitions, 280 flow [2024-11-10 14:38:18,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 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 14:38:18,890 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:18,890 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] [2024-11-10 14:38:18,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:38:18,891 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-10 14:38:18,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:18,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1110508703, now seen corresponding path program 1 times [2024-11-10 14:38:18,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:18,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059149535] [2024-11-10 14:38:18,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:18,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:18,952 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 14:38:18,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:18,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059149535] [2024-11-10 14:38:18,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059149535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:18,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:18,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:18,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079182342] [2024-11-10 14:38:18,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:18,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:18,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:18,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:18,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:18,973 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 152 [2024-11-10 14:38:18,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 127 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 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 14:38:18,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:18,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 152 [2024-11-10 14:38:18,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:19,087 INFO L124 PetriNetUnfolderBase]: 237/748 cut-off events. [2024-11-10 14:38:19,087 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-10 14:38:19,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1268 conditions, 748 events. 237/748 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4388 event pairs, 110 based on Foata normal form. 0/700 useless extension candidates. Maximal degree in co-relation 1230. Up to 292 conditions per place. [2024-11-10 14:38:19,090 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 0 selfloop transitions, 0 changer transitions 131/131 dead transitions. [2024-11-10 14:38:19,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 131 transitions, 341 flow [2024-11-10 14:38:19,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:19,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:19,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 403 transitions. [2024-11-10 14:38:19,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8837719298245614 [2024-11-10 14:38:19,092 INFO L175 Difference]: Start difference. First operand has 131 places, 127 transitions, 280 flow. Second operand 3 states and 403 transitions. [2024-11-10 14:38:19,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 131 transitions, 341 flow [2024-11-10 14:38:19,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 131 transitions, 337 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:19,094 INFO L231 Difference]: Finished difference. Result has 130 places, 0 transitions, 0 flow [2024-11-10 14:38:19,095 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=130, PETRI_TRANSITIONS=0} [2024-11-10 14:38:19,095 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -10 predicate places. [2024-11-10 14:38:19,096 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 0 transitions, 0 flow [2024-11-10 14:38:19,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 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 14:38:19,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 20 remaining) [2024-11-10 14:38:19,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 20 remaining) [2024-11-10 14:38:19,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 20 remaining) [2024-11-10 14:38:19,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (16 of 20 remaining) [2024-11-10 14:38:19,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (15 of 20 remaining) [2024-11-10 14:38:19,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 20 remaining) [2024-11-10 14:38:19,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 20 remaining) [2024-11-10 14:38:19,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 20 remaining) [2024-11-10 14:38:19,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 20 remaining) [2024-11-10 14:38:19,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 20 remaining) [2024-11-10 14:38:19,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 20 remaining) [2024-11-10 14:38:19,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-10 14:38:19,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 20 remaining) [2024-11-10 14:38:19,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 20 remaining) [2024-11-10 14:38:19,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 20 remaining) [2024-11-10 14:38:19,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 20 remaining) [2024-11-10 14:38:19,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 20 remaining) [2024-11-10 14:38:19,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 20 remaining) [2024-11-10 14:38:19,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 20 remaining) [2024-11-10 14:38:19,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 20 remaining) [2024-11-10 14:38:19,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:38:19,105 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-10 14:38:19,111 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:38:19,111 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:38:19,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:38:19 BasicIcfg [2024-11-10 14:38:19,120 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:38:19,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:38:19,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:38:19,121 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:38:19,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:17" (3/4) ... [2024-11-10 14:38:19,123 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:38:19,126 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:38:19,126 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:38:19,126 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-10 14:38:19,129 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 14:38:19,129 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:38:19,129 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 14:38:19,129 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:38:19,196 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:38:19,196 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:38:19,196 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:38:19,197 INFO L158 Benchmark]: Toolchain (without parser) took 2504.98ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 111.9MB in the beginning and 110.4MB in the end (delta: 1.6MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-10 14:38:19,197 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 66.1MB in the end (delta: 157.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:38:19,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.60ms. Allocated memory is still 146.8MB. Free memory was 111.7MB in the beginning and 98.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 14:38:19,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.57ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 96.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:38:19,198 INFO L158 Benchmark]: Boogie Preprocessor took 21.28ms. Allocated memory is still 146.8MB. Free memory was 96.7MB in the beginning and 95.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:38:19,198 INFO L158 Benchmark]: IcfgBuilder took 433.18ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 78.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 14:38:19,198 INFO L158 Benchmark]: TraceAbstraction took 1660.77ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 77.7MB in the beginning and 114.6MB in the end (delta: -36.9MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2024-11-10 14:38:19,198 INFO L158 Benchmark]: Witness Printer took 75.07ms. Allocated memory is still 176.2MB. Free memory was 114.6MB in the beginning and 110.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:38:19,200 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 66.1MB in the end (delta: 157.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.60ms. Allocated memory is still 146.8MB. Free memory was 111.7MB in the beginning and 98.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.57ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 96.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.28ms. Allocated memory is still 146.8MB. Free memory was 96.7MB in the beginning and 95.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 433.18ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 78.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1660.77ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 77.7MB in the beginning and 114.6MB in the end (delta: -36.9MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Witness Printer took 75.07ms. Allocated memory is still 176.2MB. Free memory was 114.6MB in the beginning and 110.4MB 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: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 196 locations, 20 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: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 316 IncrementalHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 51 mSDtfsCounter, 316 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=290occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 291 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:38:19,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE