./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/test-easy1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/test-easy1.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 935a7b7fee114f90b65d69dd73b2635844dd9aedca06c4cbc37a4ce046611c9d --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:41:02,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:41:02,163 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:41:02,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:41:02,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:41:02,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:41:02,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:41:02,192 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:41:02,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:41:02,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:41:02,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:41:02,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:41:02,196 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:41:02,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:41:02,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:41:02,196 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:41:02,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:41:02,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:41:02,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:41:02,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:41:02,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:41:02,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:41:02,198 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:41:02,199 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:41:02,199 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:41:02,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:41:02,199 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:41:02,199 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:41:02,199 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:41:02,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:41:02,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:41:02,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:41:02,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:41:02,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:41:02,200 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:41:02,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:41:02,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:41:02,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:41:02,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:41:02,200 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:41:02,200 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:41:02,200 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:41:02,200 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-jdk21/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 -> 935a7b7fee114f90b65d69dd73b2635844dd9aedca06c4cbc37a4ce046611c9d [2025-02-08 05:41:02,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:41:02,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:41:02,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:41:02,520 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:41:02,520 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:41:02,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/test-easy1.wvr.c [2025-02-08 05:41:03,899 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dde788a35/c2adb93c2f0949cb850ff31d76f70bba/FLAG92051617c [2025-02-08 05:41:04,188 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:41:04,189 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/test-easy1.wvr.c [2025-02-08 05:41:04,196 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dde788a35/c2adb93c2f0949cb850ff31d76f70bba/FLAG92051617c [2025-02-08 05:41:04,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dde788a35/c2adb93c2f0949cb850ff31d76f70bba [2025-02-08 05:41:04,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:41:04,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:41:04,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:41:04,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:41:04,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:41:04,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70870ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04, skipping insertion in model container [2025-02-08 05:41:04,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:41:04,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:41:04,429 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:41:04,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:41:04,462 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:41:04,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04 WrapperNode [2025-02-08 05:41:04,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:41:04,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:41:04,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:41:04,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:41:04,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,496 INFO L138 Inliner]: procedures = 20, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2025-02-08 05:41:04,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:41:04,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:41:04,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:41:04,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:41:04,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,511 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:41:04,521 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:41:04,521 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:41:04,521 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:41:04,522 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04" (1/1) ... [2025-02-08 05:41:04,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:41:04,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:41:04,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:41:04,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:41:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:41:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-08 05:41:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-08 05:41:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-08 05:41:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-08 05:41:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:41:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:41:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:41:04,593 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 05:41:04,674 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:41:04,677 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:41:04,935 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:41:04,935 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:41:04,949 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:41:04,949 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:41:04,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:41:04 BoogieIcfgContainer [2025-02-08 05:41:04,949 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:41:04,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:41:04,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:41:04,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:41:04,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:41:04" (1/3) ... [2025-02-08 05:41:04,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e823565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:41:04, skipping insertion in model container [2025-02-08 05:41:04,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:41:04" (2/3) ... [2025-02-08 05:41:04,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e823565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:41:04, skipping insertion in model container [2025-02-08 05:41:04,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:41:04" (3/3) ... [2025-02-08 05:41:04,963 INFO L128 eAbstractionObserver]: Analyzing ICFG test-easy1.wvr.c [2025-02-08 05:41:04,979 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:41:04,980 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test-easy1.wvr.c that has 3 procedures, 124 locations, 1 initial locations, 2 loop locations, and 13 error locations. [2025-02-08 05:41:04,980 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:41:05,059 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-08 05:41:05,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 130 places, 130 transitions, 274 flow [2025-02-08 05:41:05,170 INFO L124 PetriNetUnfolderBase]: 7/128 cut-off events. [2025-02-08 05:41:05,172 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 05:41:05,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 128 events. 7/128 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 132 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place. [2025-02-08 05:41:05,177 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 130 transitions, 274 flow [2025-02-08 05:41:05,181 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 111 transitions, 234 flow [2025-02-08 05:41:05,189 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:41:05,202 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;@24ab40b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:41:05,202 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2025-02-08 05:41:05,210 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:41:05,215 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2025-02-08 05:41:05,215 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:41:05,215 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:41:05,216 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:41:05,216 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-02-08 05:41:05,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:41:05,226 INFO L85 PathProgramCache]: Analyzing trace with hash -2013588291, now seen corresponding path program 1 times [2025-02-08 05:41:05,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:41:05,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505621551] [2025-02-08 05:41:05,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:41:05,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:41:05,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 05:41:05,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 05:41:05,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:41:05,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:41:05,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:41:05,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:41:05,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505621551] [2025-02-08 05:41:05,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505621551] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:41:05,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:41:05,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:41:05,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995643723] [2025-02-08 05:41:05,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:41:05,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:41:05,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:41:05,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:41:05,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:41:05,530 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 130 [2025-02-08 05:41:05,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 111 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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) [2025-02-08 05:41:05,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:41:05,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 130 [2025-02-08 05:41:05,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:41:05,588 INFO L124 PetriNetUnfolderBase]: 7/129 cut-off events. [2025-02-08 05:41:05,588 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-02-08 05:41:05,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 129 events. 7/129 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 254 event pairs, 3 based on Foata normal form. 6/115 useless extension candidates. Maximal degree in co-relation 91. Up to 21 conditions per place. [2025-02-08 05:41:05,591 INFO L140 encePairwiseOnDemand]: 124/130 looper letters, 13 selfloop transitions, 2 changer transitions 1/107 dead transitions. [2025-02-08 05:41:05,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 107 transitions, 256 flow [2025-02-08 05:41:05,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:41:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:41:05,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2025-02-08 05:41:05,604 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8794871794871795 [2025-02-08 05:41:05,606 INFO L175 Difference]: Start difference. First operand has 112 places, 111 transitions, 234 flow. Second operand 3 states and 343 transitions. [2025-02-08 05:41:05,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 107 transitions, 256 flow [2025-02-08 05:41:05,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 107 transitions, 248 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-08 05:41:05,615 INFO L231 Difference]: Finished difference. Result has 109 places, 106 transitions, 220 flow [2025-02-08 05:41:05,618 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=109, PETRI_TRANSITIONS=106} [2025-02-08 05:41:05,622 INFO L279 CegarLoopForPetriNet]: 112 programPoint places, -3 predicate places. [2025-02-08 05:41:05,623 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 106 transitions, 220 flow [2025-02-08 05:41:05,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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) [2025-02-08 05:41:05,623 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:41:05,623 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] [2025-02-08 05:41:05,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:41:05,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-02-08 05:41:05,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:41:05,627 INFO L85 PathProgramCache]: Analyzing trace with hash -99016468, now seen corresponding path program 1 times [2025-02-08 05:41:05,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:41:05,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530577224] [2025-02-08 05:41:05,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:41:05,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:41:05,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 05:41:05,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 05:41:05,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:41:05,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:41:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:41:05,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:41:05,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530577224] [2025-02-08 05:41:05,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530577224] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:41:05,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:41:05,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:41:05,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925683278] [2025-02-08 05:41:05,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:41:05,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:41:05,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:41:05,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:41:05,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:41:05,742 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 130 [2025-02-08 05:41:05,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 106 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:41:05,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:41:05,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 130 [2025-02-08 05:41:05,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:41:05,808 INFO L124 PetriNetUnfolderBase]: 7/127 cut-off events. [2025-02-08 05:41:05,809 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-02-08 05:41:05,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 127 events. 7/127 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 228 event pairs, 3 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 129. Up to 20 conditions per place. [2025-02-08 05:41:05,811 INFO L140 encePairwiseOnDemand]: 127/130 looper letters, 12 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2025-02-08 05:41:05,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 105 transitions, 246 flow [2025-02-08 05:41:05,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:41:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:41:05,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 342 transitions. [2025-02-08 05:41:05,816 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8769230769230769 [2025-02-08 05:41:05,818 INFO L175 Difference]: Start difference. First operand has 109 places, 106 transitions, 220 flow. Second operand 3 states and 342 transitions. [2025-02-08 05:41:05,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 105 transitions, 246 flow [2025-02-08 05:41:05,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 105 transitions, 242 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:41:05,822 INFO L231 Difference]: Finished difference. Result has 107 places, 105 transitions, 218 flow [2025-02-08 05:41:05,824 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=107, PETRI_TRANSITIONS=105} [2025-02-08 05:41:05,825 INFO L279 CegarLoopForPetriNet]: 112 programPoint places, -5 predicate places. [2025-02-08 05:41:05,825 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 105 transitions, 218 flow [2025-02-08 05:41:05,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:41:05,826 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:41:05,826 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] [2025-02-08 05:41:05,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:41:05,826 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-02-08 05:41:05,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:41:05,827 INFO L85 PathProgramCache]: Analyzing trace with hash 364825549, now seen corresponding path program 1 times [2025-02-08 05:41:05,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:41:05,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276550163] [2025-02-08 05:41:05,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:41:05,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:41:05,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 05:41:05,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 05:41:05,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:41:05,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:41:05,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:41:05,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:41:05,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276550163] [2025-02-08 05:41:05,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276550163] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:41:05,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:41:05,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:41:05,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235952242] [2025-02-08 05:41:05,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:41:05,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:41:05,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:41:05,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:41:05,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:41:05,964 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 130 [2025-02-08 05:41:05,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 105 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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) [2025-02-08 05:41:05,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:41:05,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 130 [2025-02-08 05:41:05,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:41:06,014 INFO L124 PetriNetUnfolderBase]: 9/123 cut-off events. [2025-02-08 05:41:06,014 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:41:06,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 123 events. 9/123 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 238 event pairs, 4 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 129. Up to 24 conditions per place. [2025-02-08 05:41:06,015 INFO L140 encePairwiseOnDemand]: 122/130 looper letters, 15 selfloop transitions, 3 changer transitions 0/102 dead transitions. [2025-02-08 05:41:06,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 102 transitions, 249 flow [2025-02-08 05:41:06,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:41:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:41:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2025-02-08 05:41:06,018 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8589743589743589 [2025-02-08 05:41:06,018 INFO L175 Difference]: Start difference. First operand has 107 places, 105 transitions, 218 flow. Second operand 3 states and 335 transitions. [2025-02-08 05:41:06,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 102 transitions, 249 flow [2025-02-08 05:41:06,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 102 transitions, 245 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:41:06,021 INFO L231 Difference]: Finished difference. Result has 103 places, 101 transitions, 217 flow [2025-02-08 05:41:06,021 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=217, PETRI_PLACES=103, PETRI_TRANSITIONS=101} [2025-02-08 05:41:06,022 INFO L279 CegarLoopForPetriNet]: 112 programPoint places, -9 predicate places. [2025-02-08 05:41:06,022 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 101 transitions, 217 flow [2025-02-08 05:41:06,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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) [2025-02-08 05:41:06,023 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:41:06,023 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] [2025-02-08 05:41:06,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:41:06,023 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-02-08 05:41:06,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:41:06,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1589962306, now seen corresponding path program 1 times [2025-02-08 05:41:06,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:41:06,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982515421] [2025-02-08 05:41:06,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:41:06,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:41:06,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 05:41:06,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 05:41:06,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:41:06,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:41:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:41:06,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:41:06,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982515421] [2025-02-08 05:41:06,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982515421] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:41:06,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:41:06,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:41:06,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425941754] [2025-02-08 05:41:06,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:41:06,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:41:06,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:41:06,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:41:06,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:41:06,157 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 130 [2025-02-08 05:41:06,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 101 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2025-02-08 05:41:06,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:41:06,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 130 [2025-02-08 05:41:06,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:41:06,194 INFO L124 PetriNetUnfolderBase]: 9/120 cut-off events. [2025-02-08 05:41:06,195 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-02-08 05:41:06,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 120 events. 9/120 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 205 event pairs, 4 based on Foata normal form. 1/113 useless extension candidates. Maximal degree in co-relation 112. Up to 21 conditions per place. [2025-02-08 05:41:06,196 INFO L140 encePairwiseOnDemand]: 123/130 looper letters, 10 selfloop transitions, 3 changer transitions 4/99 dead transitions. [2025-02-08 05:41:06,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 99 transitions, 244 flow [2025-02-08 05:41:06,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:41:06,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:41:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 340 transitions. [2025-02-08 05:41:06,199 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2025-02-08 05:41:06,199 INFO L175 Difference]: Start difference. First operand has 103 places, 101 transitions, 217 flow. Second operand 3 states and 340 transitions. [2025-02-08 05:41:06,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 99 transitions, 244 flow [2025-02-08 05:41:06,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 99 transitions, 241 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 05:41:06,202 INFO L231 Difference]: Finished difference. Result has 101 places, 94 transitions, 210 flow [2025-02-08 05:41:06,202 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=101, PETRI_TRANSITIONS=94} [2025-02-08 05:41:06,202 INFO L279 CegarLoopForPetriNet]: 112 programPoint places, -11 predicate places. [2025-02-08 05:41:06,203 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 94 transitions, 210 flow [2025-02-08 05:41:06,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2025-02-08 05:41:06,203 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:41:06,203 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] [2025-02-08 05:41:06,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:41:06,203 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-02-08 05:41:06,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:41:06,204 INFO L85 PathProgramCache]: Analyzing trace with hash 745703348, now seen corresponding path program 1 times [2025-02-08 05:41:06,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:41:06,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305814731] [2025-02-08 05:41:06,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:41:06,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:41:06,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 05:41:06,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 05:41:06,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:41:06,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:41:06,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:41:06,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:41:06,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305814731] [2025-02-08 05:41:06,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305814731] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:41:06,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:41:06,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:41:06,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143009571] [2025-02-08 05:41:06,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:41:06,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:41:06,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:41:06,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:41:06,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:41:06,354 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 130 [2025-02-08 05:41:06,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 94 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:41:06,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:41:06,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 130 [2025-02-08 05:41:06,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:41:06,381 INFO L124 PetriNetUnfolderBase]: 10/115 cut-off events. [2025-02-08 05:41:06,382 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-02-08 05:41:06,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 115 events. 10/115 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 224 event pairs, 4 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 117. Up to 21 conditions per place. [2025-02-08 05:41:06,383 INFO L140 encePairwiseOnDemand]: 127/130 looper letters, 12 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2025-02-08 05:41:06,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 94 transitions, 239 flow [2025-02-08 05:41:06,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:41:06,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:41:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2025-02-08 05:41:06,384 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.882051282051282 [2025-02-08 05:41:06,384 INFO L175 Difference]: Start difference. First operand has 101 places, 94 transitions, 210 flow. Second operand 3 states and 344 transitions. [2025-02-08 05:41:06,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 94 transitions, 239 flow [2025-02-08 05:41:06,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 94 transitions, 236 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 05:41:06,387 INFO L231 Difference]: Finished difference. Result has 97 places, 93 transitions, 209 flow [2025-02-08 05:41:06,387 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=209, PETRI_PLACES=97, PETRI_TRANSITIONS=93} [2025-02-08 05:41:06,387 INFO L279 CegarLoopForPetriNet]: 112 programPoint places, -15 predicate places. [2025-02-08 05:41:06,388 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 93 transitions, 209 flow [2025-02-08 05:41:06,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:41:06,388 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:41:06,388 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] [2025-02-08 05:41:06,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 05:41:06,388 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-02-08 05:41:06,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:41:06,389 INFO L85 PathProgramCache]: Analyzing trace with hash 390895882, now seen corresponding path program 1 times [2025-02-08 05:41:06,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:41:06,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578033855] [2025-02-08 05:41:06,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:41:06,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:41:06,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 05:41:06,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 05:41:06,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:41:06,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:41:06,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:41:06,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:41:06,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578033855] [2025-02-08 05:41:06,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578033855] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:41:06,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:41:06,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:41:06,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084451190] [2025-02-08 05:41:06,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:41:06,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:41:06,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:41:06,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:41:06,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:41:06,500 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 130 [2025-02-08 05:41:06,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 93 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2025-02-08 05:41:06,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:41:06,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 130 [2025-02-08 05:41:06,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:41:06,522 INFO L124 PetriNetUnfolderBase]: 10/114 cut-off events. [2025-02-08 05:41:06,523 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-02-08 05:41:06,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 114 events. 10/114 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 193 event pairs, 4 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 145. Up to 20 conditions per place. [2025-02-08 05:41:06,524 INFO L140 encePairwiseOnDemand]: 127/130 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2025-02-08 05:41:06,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 93 transitions, 236 flow [2025-02-08 05:41:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:41:06,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:41:06,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 346 transitions. [2025-02-08 05:41:06,526 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8871794871794871 [2025-02-08 05:41:06,526 INFO L175 Difference]: Start difference. First operand has 97 places, 93 transitions, 209 flow. Second operand 3 states and 346 transitions. [2025-02-08 05:41:06,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 93 transitions, 236 flow [2025-02-08 05:41:06,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 93 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:41:06,529 INFO L231 Difference]: Finished difference. Result has 96 places, 0 transitions, 0 flow [2025-02-08 05:41:06,529 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=96, PETRI_TRANSITIONS=0} [2025-02-08 05:41:06,530 INFO L279 CegarLoopForPetriNet]: 112 programPoint places, -16 predicate places. [2025-02-08 05:41:06,530 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 0 transitions, 0 flow [2025-02-08 05:41:06,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2025-02-08 05:41:06,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2025-02-08 05:41:06,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2025-02-08 05:41:06,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2025-02-08 05:41:06,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2025-02-08 05:41:06,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2025-02-08 05:41:06,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2025-02-08 05:41:06,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2025-02-08 05:41:06,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2025-02-08 05:41:06,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2025-02-08 05:41:06,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 05:41:06,536 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-02-08 05:41:06,543 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 05:41:06,544 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:41:06,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:41:06 BasicIcfg [2025-02-08 05:41:06,552 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:41:06,553 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:41:06,553 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:41:06,554 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:41:06,554 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:41:04" (3/4) ... [2025-02-08 05:41:06,556 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 05:41:06,559 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-08 05:41:06,559 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-08 05:41:06,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-02-08 05:41:06,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 05:41:06,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 05:41:06,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 05:41:06,632 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:41:06,632 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:41:06,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:41:06,633 INFO L158 Benchmark]: Toolchain (without parser) took 2410.33ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 57.6MB in the end (delta: 55.9MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2025-02-08 05:41:06,633 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:41:06,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.22ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 102.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:41:06,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.99ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 100.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:41:06,634 INFO L158 Benchmark]: Boogie Preprocessor took 19.46ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 100.3MB in the end (delta: 516.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:41:06,634 INFO L158 Benchmark]: IcfgBuilder took 428.46ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 86.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:41:06,634 INFO L158 Benchmark]: TraceAbstraction took 1598.03ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 63.6MB in the end (delta: 22.0MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2025-02-08 05:41:06,634 INFO L158 Benchmark]: Witness Printer took 79.01ms. Allocated memory is still 142.6MB. Free memory was 62.9MB in the beginning and 57.6MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:41:06,635 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.22ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 102.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.99ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 100.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.46ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 100.3MB in the end (delta: 516.6kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 428.46ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 86.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1598.03ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 63.6MB in the end (delta: 22.0MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Witness Printer took 79.01ms. Allocated memory is still 142.6MB. Free memory was 62.9MB in the beginning and 57.6MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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, 164 locations, 21 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: 1.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 231 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 53 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 05:41:06,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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