./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-sre-symm.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 a063462cb7b21c5f8dae2503e70fbd4d55b33be159df87fb06824a6d79ada34a --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:23:51,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:23:51,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:23:51,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:23:51,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:23:51,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:23:51,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:23:51,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:23:51,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:23:51,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:23:51,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:23:51,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:23:51,728 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:23:51,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:23:51,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:23:51,728 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:23:51,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:23:51,729 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:23:51,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:23:51,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:23:51,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:23:51,731 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:23:51,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:23:51,731 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:23:51,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:23:51,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:23:51,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:23:51,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:23:51,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:23:51,731 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> a063462cb7b21c5f8dae2503e70fbd4d55b33be159df87fb06824a6d79ada34a [2025-03-13 22:23:51,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:23:51,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:23:51,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:23:51,947 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:23:51,947 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:23:51,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2025-03-13 22:23:53,061 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a1889db/8026c9e261904b73a27459ee5844f91a/FLAGd55f70bec [2025-03-13 22:23:53,320 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:23:53,320 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2025-03-13 22:23:53,330 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a1889db/8026c9e261904b73a27459ee5844f91a/FLAGd55f70bec [2025-03-13 22:23:53,637 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a1889db/8026c9e261904b73a27459ee5844f91a [2025-03-13 22:23:53,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:23:53,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:23:53,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:23:53,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:23:53,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:23:53,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25236ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53, skipping insertion in model container [2025-03-13 22:23:53,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:23:53,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:23:53,782 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:23:53,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:23:53,810 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:23:53,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53 WrapperNode [2025-03-13 22:23:53,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:23:53,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:23:53,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:23:53,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:23:53,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,835 INFO L138 Inliner]: procedures = 20, calls = 12, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 85 [2025-03-13 22:23:53,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:23:53,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:23:53,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:23:53,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:23:53,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,853 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:23:53,861 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:23:53,861 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:23:53,861 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:23:53,862 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53" (1/1) ... [2025-03-13 22:23:53,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:23:53,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:23:53,893 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) [2025-03-13 22:23:53,895 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 [2025-03-13 22:23:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:23:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 22:23:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 22:23:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-13 22:23:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-13 22:23:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:23:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:23:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:23:53,916 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:23:53,979 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:23:53,980 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:23:54,162 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:23:54,163 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:23:54,163 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:23:54,174 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:23:54,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:23:54 BoogieIcfgContainer [2025-03-13 22:23:54,174 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:23:54,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:23:54,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:23:54,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:23:54,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:23:53" (1/3) ... [2025-03-13 22:23:54,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c1a9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:23:54, skipping insertion in model container [2025-03-13 22:23:54,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:53" (2/3) ... [2025-03-13 22:23:54,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c1a9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:23:54, skipping insertion in model container [2025-03-13 22:23:54,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:23:54" (3/3) ... [2025-03-13 22:23:54,181 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c [2025-03-13 22:23:54,191 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:23:54,192 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-sre-symm.wvr.c that has 3 procedures, 152 locations, 1 initial locations, 0 loop locations, and 16 error locations. [2025-03-13 22:23:54,192 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:23:54,257 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-13 22:23:54,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 159 transitions, 332 flow [2025-03-13 22:23:54,335 INFO L124 PetriNetUnfolderBase]: 8/157 cut-off events. [2025-03-13 22:23:54,337 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 22:23:54,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 157 events. 8/157 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 153 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2025-03-13 22:23:54,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 159 transitions, 332 flow [2025-03-13 22:23:54,347 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 137 transitions, 286 flow [2025-03-13 22:23:54,356 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:23:54,366 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;@7a141a1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:23:54,366 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2025-03-13 22:23:54,377 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:23:54,377 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-03-13 22:23:54,377 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:23:54,377 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:54,378 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:54,378 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-13 22:23:54,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:54,383 INFO L85 PathProgramCache]: Analyzing trace with hash -747986589, now seen corresponding path program 1 times [2025-03-13 22:23:54,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:54,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004009561] [2025-03-13 22:23:54,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:54,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:54,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-13 22:23:54,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-13 22:23:54,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:54,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:54,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:54,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004009561] [2025-03-13 22:23:54,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004009561] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:54,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:54,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:54,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740465284] [2025-03-13 22:23:54,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:54,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:54,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:54,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:54,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:54,609 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2025-03-13 22:23:54,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 137 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:54,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:54,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2025-03-13 22:23:54,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:54,676 INFO L124 PetriNetUnfolderBase]: 12/207 cut-off events. [2025-03-13 22:23:54,676 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-13 22:23:54,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 207 events. 12/207 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 498 event pairs, 5 based on Foata normal form. 2/171 useless extension candidates. Maximal degree in co-relation 137. Up to 21 conditions per place. [2025-03-13 22:23:54,678 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 10 selfloop transitions, 2 changer transitions 2/134 dead transitions. [2025-03-13 22:23:54,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 134 transitions, 304 flow [2025-03-13 22:23:54,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:54,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2025-03-13 22:23:54,695 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9182389937106918 [2025-03-13 22:23:54,697 INFO L175 Difference]: Start difference. First operand has 138 places, 137 transitions, 286 flow. Second operand 3 states and 438 transitions. [2025-03-13 22:23:54,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 134 transitions, 304 flow [2025-03-13 22:23:54,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 134 transitions, 296 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-13 22:23:54,705 INFO L231 Difference]: Finished difference. Result has 135 places, 132 transitions, 272 flow [2025-03-13 22:23:54,707 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=135, PETRI_TRANSITIONS=132} [2025-03-13 22:23:54,711 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -3 predicate places. [2025-03-13 22:23:54,711 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 132 transitions, 272 flow [2025-03-13 22:23:54,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:54,711 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:54,711 INFO L206 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] [2025-03-13 22:23:54,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:23:54,711 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-13 22:23:54,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:54,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1697762592, now seen corresponding path program 1 times [2025-03-13 22:23:54,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:54,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150762004] [2025-03-13 22:23:54,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:54,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:54,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-13 22:23:54,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-13 22:23:54,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:54,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:54,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:54,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:54,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150762004] [2025-03-13 22:23:54,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150762004] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:54,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:54,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:54,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631790179] [2025-03-13 22:23:54,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:54,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:54,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:54,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:54,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:54,823 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2025-03-13 22:23:54,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 132 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:54,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:54,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2025-03-13 22:23:54,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:54,858 INFO L124 PetriNetUnfolderBase]: 11/175 cut-off events. [2025-03-13 22:23:54,859 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 22:23:54,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 175 events. 11/175 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 361 event pairs, 5 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 178. Up to 21 conditions per place. [2025-03-13 22:23:54,861 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 10 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2025-03-13 22:23:54,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 131 transitions, 294 flow [2025-03-13 22:23:54,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:54,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2025-03-13 22:23:54,866 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9140461215932913 [2025-03-13 22:23:54,866 INFO L175 Difference]: Start difference. First operand has 135 places, 132 transitions, 272 flow. Second operand 3 states and 436 transitions. [2025-03-13 22:23:54,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 131 transitions, 294 flow [2025-03-13 22:23:54,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 131 transitions, 290 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:54,868 INFO L231 Difference]: Finished difference. Result has 132 places, 131 transitions, 270 flow [2025-03-13 22:23:54,868 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=132, PETRI_TRANSITIONS=131} [2025-03-13 22:23:54,869 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -6 predicate places. [2025-03-13 22:23:54,869 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 131 transitions, 270 flow [2025-03-13 22:23:54,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:54,869 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:54,869 INFO L206 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] [2025-03-13 22:23:54,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:23:54,872 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-13 22:23:54,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash 530883513, now seen corresponding path program 1 times [2025-03-13 22:23:54,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:54,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431463227] [2025-03-13 22:23:54,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:54,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:54,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-13 22:23:54,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-13 22:23:54,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:54,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:54,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:54,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431463227] [2025-03-13 22:23:54,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431463227] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:54,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:54,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:54,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014588156] [2025-03-13 22:23:54,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:54,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:54,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:54,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:54,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:54,949 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2025-03-13 22:23:54,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 131 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:54,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:54,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2025-03-13 22:23:54,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:54,985 INFO L124 PetriNetUnfolderBase]: 23/239 cut-off events. [2025-03-13 22:23:54,985 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-13 22:23:54,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 239 events. 23/239 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 646 event pairs, 9 based on Foata normal form. 0/205 useless extension candidates. Maximal degree in co-relation 251. Up to 36 conditions per place. [2025-03-13 22:23:54,990 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 12 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2025-03-13 22:23:54,990 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 131 transitions, 299 flow [2025-03-13 22:23:54,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:54,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:54,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2025-03-13 22:23:54,993 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9224318658280922 [2025-03-13 22:23:54,993 INFO L175 Difference]: Start difference. First operand has 132 places, 131 transitions, 270 flow. Second operand 3 states and 440 transitions. [2025-03-13 22:23:54,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 131 transitions, 299 flow [2025-03-13 22:23:54,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 131 transitions, 295 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:54,998 INFO L231 Difference]: Finished difference. Result has 130 places, 130 transitions, 274 flow [2025-03-13 22:23:54,999 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=130, PETRI_TRANSITIONS=130} [2025-03-13 22:23:54,999 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -8 predicate places. [2025-03-13 22:23:54,999 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 130 transitions, 274 flow [2025-03-13 22:23:55,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:55,000 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:55,000 INFO L206 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] [2025-03-13 22:23:55,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:23:55,001 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-13 22:23:55,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:55,001 INFO L85 PathProgramCache]: Analyzing trace with hash -922042982, now seen corresponding path program 1 times [2025-03-13 22:23:55,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:55,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348357321] [2025-03-13 22:23:55,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:55,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:55,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-13 22:23:55,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-13 22:23:55,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:55,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:55,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:55,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348357321] [2025-03-13 22:23:55,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348357321] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:55,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:55,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:55,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698163628] [2025-03-13 22:23:55,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:55,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:55,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:55,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:55,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:55,070 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2025-03-13 22:23:55,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 130 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:55,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:55,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2025-03-13 22:23:55,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:55,096 INFO L124 PetriNetUnfolderBase]: 26/269 cut-off events. [2025-03-13 22:23:55,096 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 22:23:55,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 269 events. 26/269 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 861 event pairs, 8 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 263. Up to 36 conditions per place. [2025-03-13 22:23:55,097 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 12 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2025-03-13 22:23:55,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 130 transitions, 303 flow [2025-03-13 22:23:55,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:55,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2025-03-13 22:23:55,099 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9224318658280922 [2025-03-13 22:23:55,099 INFO L175 Difference]: Start difference. First operand has 130 places, 130 transitions, 274 flow. Second operand 3 states and 440 transitions. [2025-03-13 22:23:55,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 130 transitions, 303 flow [2025-03-13 22:23:55,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 130 transitions, 303 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:55,101 INFO L231 Difference]: Finished difference. Result has 130 places, 129 transitions, 282 flow [2025-03-13 22:23:55,101 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=130, PETRI_TRANSITIONS=129} [2025-03-13 22:23:55,101 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -8 predicate places. [2025-03-13 22:23:55,102 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 129 transitions, 282 flow [2025-03-13 22:23:55,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:55,102 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:55,102 INFO L206 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] [2025-03-13 22:23:55,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:23:55,102 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-13 22:23:55,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:55,103 INFO L85 PathProgramCache]: Analyzing trace with hash 684313472, now seen corresponding path program 1 times [2025-03-13 22:23:55,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:55,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672789147] [2025-03-13 22:23:55,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:55,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:55,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-13 22:23:55,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-13 22:23:55,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:55,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:55,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:55,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672789147] [2025-03-13 22:23:55,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672789147] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:55,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:55,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:55,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239812755] [2025-03-13 22:23:55,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:55,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:55,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:55,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:55,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:55,163 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 159 [2025-03-13 22:23:55,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 129 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:55,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:55,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 159 [2025-03-13 22:23:55,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:55,186 INFO L124 PetriNetUnfolderBase]: 13/195 cut-off events. [2025-03-13 22:23:55,186 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2025-03-13 22:23:55,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 195 events. 13/195 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 468 event pairs, 2 based on Foata normal form. 1/179 useless extension candidates. Maximal degree in co-relation 174. Up to 14 conditions per place. [2025-03-13 22:23:55,187 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 10 selfloop transitions, 2 changer transitions 0/129 dead transitions. [2025-03-13 22:23:55,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 129 transitions, 307 flow [2025-03-13 22:23:55,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:55,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2025-03-13 22:23:55,188 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9266247379454927 [2025-03-13 22:23:55,189 INFO L175 Difference]: Start difference. First operand has 130 places, 129 transitions, 282 flow. Second operand 3 states and 442 transitions. [2025-03-13 22:23:55,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 129 transitions, 307 flow [2025-03-13 22:23:55,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 129 transitions, 307 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:55,191 INFO L231 Difference]: Finished difference. Result has 131 places, 128 transitions, 284 flow [2025-03-13 22:23:55,191 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=131, PETRI_TRANSITIONS=128} [2025-03-13 22:23:55,191 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -7 predicate places. [2025-03-13 22:23:55,191 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 128 transitions, 284 flow [2025-03-13 22:23:55,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:55,192 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:55,192 INFO L206 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] [2025-03-13 22:23:55,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:23:55,192 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-13 22:23:55,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:55,193 INFO L85 PathProgramCache]: Analyzing trace with hash -385344083, now seen corresponding path program 1 times [2025-03-13 22:23:55,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:55,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526429838] [2025-03-13 22:23:55,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:55,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:55,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-13 22:23:55,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-13 22:23:55,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:55,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:55,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:55,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526429838] [2025-03-13 22:23:55,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526429838] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:55,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:55,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:55,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763827060] [2025-03-13 22:23:55,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:55,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:55,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:55,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:55,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:55,262 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 159 [2025-03-13 22:23:55,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 128 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:55,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:55,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 159 [2025-03-13 22:23:55,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:55,309 INFO L124 PetriNetUnfolderBase]: 12/170 cut-off events. [2025-03-13 22:23:55,309 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2025-03-13 22:23:55,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 170 events. 12/170 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 318 event pairs, 2 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 150. Up to 18 conditions per place. [2025-03-13 22:23:55,310 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 10 selfloop transitions, 2 changer transitions 0/128 dead transitions. [2025-03-13 22:23:55,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 128 transitions, 309 flow [2025-03-13 22:23:55,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:55,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:55,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2025-03-13 22:23:55,312 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9266247379454927 [2025-03-13 22:23:55,312 INFO L175 Difference]: Start difference. First operand has 131 places, 128 transitions, 284 flow. Second operand 3 states and 442 transitions. [2025-03-13 22:23:55,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 128 transitions, 309 flow [2025-03-13 22:23:55,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 128 transitions, 305 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:55,314 INFO L231 Difference]: Finished difference. Result has 130 places, 127 transitions, 282 flow [2025-03-13 22:23:55,314 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=278, 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=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=130, PETRI_TRANSITIONS=127} [2025-03-13 22:23:55,314 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -8 predicate places. [2025-03-13 22:23:55,315 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 127 transitions, 282 flow [2025-03-13 22:23:55,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:55,315 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:55,315 INFO L206 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] [2025-03-13 22:23:55,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:23:55,315 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-13 22:23:55,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:55,317 INFO L85 PathProgramCache]: Analyzing trace with hash 227066189, now seen corresponding path program 1 times [2025-03-13 22:23:55,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:55,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733489531] [2025-03-13 22:23:55,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:55,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:55,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-13 22:23:55,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-13 22:23:55,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:55,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:55,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:55,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:55,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733489531] [2025-03-13 22:23:55,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733489531] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:55,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:55,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:55,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217861790] [2025-03-13 22:23:55,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:55,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:55,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:55,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:55,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:55,401 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2025-03-13 22:23:55,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 127 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:55,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:55,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2025-03-13 22:23:55,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:55,425 INFO L124 PetriNetUnfolderBase]: 10/179 cut-off events. [2025-03-13 22:23:55,425 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2025-03-13 22:23:55,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 179 events. 10/179 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 352 event pairs, 1 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 156. Up to 8 conditions per place. [2025-03-13 22:23:55,426 INFO L140 encePairwiseOnDemand]: 155/159 looper letters, 10 selfloop transitions, 1 changer transitions 0/124 dead transitions. [2025-03-13 22:23:55,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 124 transitions, 298 flow [2025-03-13 22:23:55,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:55,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:55,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2025-03-13 22:23:55,428 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9161425576519916 [2025-03-13 22:23:55,428 INFO L175 Difference]: Start difference. First operand has 130 places, 127 transitions, 282 flow. Second operand 3 states and 437 transitions. [2025-03-13 22:23:55,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 124 transitions, 298 flow [2025-03-13 22:23:55,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 124 transitions, 294 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:55,430 INFO L231 Difference]: Finished difference. Result has 127 places, 124 transitions, 274 flow [2025-03-13 22:23:55,430 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=127, PETRI_TRANSITIONS=124} [2025-03-13 22:23:55,431 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -11 predicate places. [2025-03-13 22:23:55,431 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 124 transitions, 274 flow [2025-03-13 22:23:55,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:55,431 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:55,431 INFO L206 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] [2025-03-13 22:23:55,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:23:55,432 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-13 22:23:55,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:55,432 INFO L85 PathProgramCache]: Analyzing trace with hash 938071806, now seen corresponding path program 1 times [2025-03-13 22:23:55,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:55,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108492474] [2025-03-13 22:23:55,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:55,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:55,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-13 22:23:55,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-13 22:23:55,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:55,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:55,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:55,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108492474] [2025-03-13 22:23:55,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108492474] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:55,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:55,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:55,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126226333] [2025-03-13 22:23:55,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:55,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:55,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:55,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:55,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:55,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 159 [2025-03-13 22:23:55,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 124 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:55,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:55,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 159 [2025-03-13 22:23:55,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:55,529 INFO L124 PetriNetUnfolderBase]: 10/180 cut-off events. [2025-03-13 22:23:55,530 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2025-03-13 22:23:55,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 180 events. 10/180 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 330 event pairs, 1 based on Foata normal form. 1/174 useless extension candidates. Maximal degree in co-relation 151. Up to 10 conditions per place. [2025-03-13 22:23:55,531 INFO L140 encePairwiseOnDemand]: 153/159 looper letters, 0 selfloop transitions, 0 changer transitions 123/123 dead transitions. [2025-03-13 22:23:55,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 123 transitions, 296 flow [2025-03-13 22:23:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:55,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2025-03-13 22:23:55,533 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9182389937106918 [2025-03-13 22:23:55,533 INFO L175 Difference]: Start difference. First operand has 127 places, 124 transitions, 274 flow. Second operand 3 states and 438 transitions. [2025-03-13 22:23:55,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 123 transitions, 296 flow [2025-03-13 22:23:55,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 123 transitions, 295 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:23:55,537 INFO L231 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2025-03-13 22:23:55,538 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2025-03-13 22:23:55,538 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -13 predicate places. [2025-03-13 22:23:55,538 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2025-03-13 22:23:55,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:55,540 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2025-03-13 22:23:55,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2025-03-13 22:23:55,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2025-03-13 22:23:55,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2025-03-13 22:23:55,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2025-03-13 22:23:55,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2025-03-13 22:23:55,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2025-03-13 22:23:55,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2025-03-13 22:23:55,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2025-03-13 22:23:55,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2025-03-13 22:23:55,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2025-03-13 22:23:55,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 26 remaining) [2025-03-13 22:23:55,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2025-03-13 22:23:55,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2025-03-13 22:23:55,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2025-03-13 22:23:55,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2025-03-13 22:23:55,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 26 remaining) [2025-03-13 22:23:55,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 26 remaining) [2025-03-13 22:23:55,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2025-03-13 22:23:55,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2025-03-13 22:23:55,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2025-03-13 22:23:55,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2025-03-13 22:23:55,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2025-03-13 22:23:55,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2025-03-13 22:23:55,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2025-03-13 22:23:55,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2025-03-13 22:23:55,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:23:55,546 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:55,550 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:23:55,550 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:23:55,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:23:55 BasicIcfg [2025-03-13 22:23:55,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:23:55,557 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:23:55,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:23:55,557 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:23:55,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:23:54" (3/4) ... [2025-03-13 22:23:55,559 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 22:23:55,561 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-13 22:23:55,562 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-13 22:23:55,566 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-13 22:23:55,566 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-13 22:23:55,566 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 22:23:55,566 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 22:23:55,620 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:23:55,620 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:23:55,620 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:23:55,621 INFO L158 Benchmark]: Toolchain (without parser) took 1980.74ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 69.0MB in the end (delta: 41.9MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2025-03-13 22:23:55,621 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:23:55,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.88ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 99.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:23:55,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.03ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 98.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:23:55,623 INFO L158 Benchmark]: Boogie Preprocessor took 22.40ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 97.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:23:55,624 INFO L158 Benchmark]: IcfgBuilder took 313.54ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 81.8MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:23:55,624 INFO L158 Benchmark]: TraceAbstraction took 1380.13ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 75.6MB in the end (delta: 5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2025-03-13 22:23:55,625 INFO L158 Benchmark]: Witness Printer took 63.85ms. Allocated memory is still 142.6MB. Free memory was 75.6MB in the beginning and 69.0MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:23:55,625 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 201.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.88ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 99.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.03ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 98.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.40ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 97.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 313.54ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 81.8MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1380.13ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 75.6MB in the end (delta: 5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 63.85ms. Allocated memory is still 142.6MB. Free memory was 75.6MB in the beginning and 69.0MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. 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: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 200 locations, 26 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: 1.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 203 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 193 IncrementalHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 56 mSDtfsCounter, 193 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=286occurred 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, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 368 ConstructedInterpolants, 0 QuantifiedInterpolants, 384 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 22:23:55,639 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