./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/bench-exp2x3.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/bench-exp2x3.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 f25d9c7e70f7f3d19e85c7cfc6427443102f5451f704dd6a19dd9a78d021a612 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:22:23,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:22:23,081 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:22:23,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:22:23,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:22:23,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:22:23,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:22:23,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:22:23,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:22:23,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:22:23,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:22:23,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:22:23,109 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:22:23,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:22:23,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:22:23,109 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:22:23,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:22:23,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:22:23,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:22:23,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:22:23,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:22:23,110 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:22:23,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:22:23,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:22:23,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:22:23,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:22:23,112 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:22:23,112 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:22:23,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:22:23,113 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 -> f25d9c7e70f7f3d19e85c7cfc6427443102f5451f704dd6a19dd9a78d021a612 [2025-03-13 22:22:23,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:22:23,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:22:23,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:22:23,355 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:22:23,355 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:22:23,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c [2025-03-13 22:22:24,515 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fac174320/21b14cabd76f40708cbe59c1c0a92cd6/FLAG83034dd71 [2025-03-13 22:22:24,737 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:22:24,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x3.wvr.c [2025-03-13 22:22:24,746 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fac174320/21b14cabd76f40708cbe59c1c0a92cd6/FLAG83034dd71 [2025-03-13 22:22:24,780 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fac174320/21b14cabd76f40708cbe59c1c0a92cd6 [2025-03-13 22:22:24,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:22:24,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:22:24,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:22:24,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:22:24,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:22:24,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:24,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d6af42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24, skipping insertion in model container [2025-03-13 22:22:24,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:24,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:22:24,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:22:24,959 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:22:24,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:22:24,993 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:22:24,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24 WrapperNode [2025-03-13 22:22:24,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:22:24,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:22:24,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:22:24,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:22:25,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:25,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:25,026 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2025-03-13 22:22:25,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:22:25,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:22:25,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:22:25,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:22:25,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:25,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:25,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:25,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:25,045 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:25,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:25,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:25,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:25,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:22:25,053 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:22:25,053 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:22:25,053 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:22:25,054 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24" (1/1) ... [2025-03-13 22:22:25,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:22:25,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:22:25,080 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 22:22:25,082 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 22:22:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:22:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 22:22:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 22:22:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-13 22:22:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-13 22:22:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-13 22:22:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-13 22:22:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-03-13 22:22:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-03-13 22:22:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:22:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:22:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:22:25,100 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 22:22:25,164 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:22:25,166 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:22:25,419 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:22:25,419 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:22:25,419 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:22:25,433 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:22:25,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:22:25 BoogieIcfgContainer [2025-03-13 22:22:25,434 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:22:25,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:22:25,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:22:25,438 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:22:25,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:22:24" (1/3) ... [2025-03-13 22:22:25,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25384332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:22:25, skipping insertion in model container [2025-03-13 22:22:25,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:24" (2/3) ... [2025-03-13 22:22:25,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25384332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:22:25, skipping insertion in model container [2025-03-13 22:22:25,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:22:25" (3/3) ... [2025-03-13 22:22:25,439 INFO L128 eAbstractionObserver]: Analyzing ICFG bench-exp2x3.wvr.c [2025-03-13 22:22:25,448 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:22:25,449 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bench-exp2x3.wvr.c that has 5 procedures, 246 locations, 1 initial locations, 4 loop locations, and 35 error locations. [2025-03-13 22:22:25,450 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:22:25,529 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-03-13 22:22:25,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 258 places, 259 transitions, 546 flow [2025-03-13 22:22:25,648 INFO L124 PetriNetUnfolderBase]: 14/255 cut-off events. [2025-03-13 22:22:25,652 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 22:22:25,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 255 events. 14/255 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 441 event pairs, 0 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2025-03-13 22:22:25,658 INFO L82 GeneralOperation]: Start removeDead. Operand has 258 places, 259 transitions, 546 flow [2025-03-13 22:22:25,666 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 236 places, 235 transitions, 494 flow [2025-03-13 22:22:25,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:22:25,682 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;@69a9d465, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:22:25,683 INFO L334 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2025-03-13 22:22:25,688 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:22:25,694 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-13 22:22:25,695 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:22:25,695 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:25,695 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] [2025-03-13 22:22:25,696 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:25,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:25,701 INFO L85 PathProgramCache]: Analyzing trace with hash -438384559, now seen corresponding path program 1 times [2025-03-13 22:22:25,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:25,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394841762] [2025-03-13 22:22:25,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:25,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:25,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-13 22:22:25,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-13 22:22:25,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:25,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:25,841 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 22:22:25,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:25,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394841762] [2025-03-13 22:22:25,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394841762] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:25,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:25,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:25,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051559713] [2025-03-13 22:22:25,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:25,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:25,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:25,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:25,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:25,920 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 259 [2025-03-13 22:22:25,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 235 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 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 22:22:25,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:25,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 259 [2025-03-13 22:22:25,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:26,040 INFO L124 PetriNetUnfolderBase]: 22/310 cut-off events. [2025-03-13 22:22:26,042 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2025-03-13 22:22:26,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 310 events. 22/310 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1005 event pairs, 12 based on Foata normal form. 37/285 useless extension candidates. Maximal degree in co-relation 294. Up to 46 conditions per place. [2025-03-13 22:22:26,067 INFO L140 encePairwiseOnDemand]: 251/259 looper letters, 18 selfloop transitions, 2 changer transitions 1/229 dead transitions. [2025-03-13 22:22:26,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 229 transitions, 522 flow [2025-03-13 22:22:26,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:26,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 716 transitions. [2025-03-13 22:22:26,087 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9214929214929215 [2025-03-13 22:22:26,089 INFO L175 Difference]: Start difference. First operand has 236 places, 235 transitions, 494 flow. Second operand 3 states and 716 transitions. [2025-03-13 22:22:26,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 229 transitions, 522 flow [2025-03-13 22:22:26,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 229 transitions, 506 flow, removed 0 selfloop flow, removed 8 redundant places. [2025-03-13 22:22:26,101 INFO L231 Difference]: Finished difference. Result has 229 places, 228 transitions, 468 flow [2025-03-13 22:22:26,103 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=468, PETRI_PLACES=229, PETRI_TRANSITIONS=228} [2025-03-13 22:22:26,108 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -7 predicate places. [2025-03-13 22:22:26,108 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 228 transitions, 468 flow [2025-03-13 22:22:26,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 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 22:22:26,109 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:26,109 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] [2025-03-13 22:22:26,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:22:26,109 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:26,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:26,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1685687163, now seen corresponding path program 1 times [2025-03-13 22:22:26,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:26,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930628148] [2025-03-13 22:22:26,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:26,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:26,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-13 22:22:26,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-13 22:22:26,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:26,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:26,148 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 22:22:26,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:26,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930628148] [2025-03-13 22:22:26,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930628148] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:26,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:26,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:26,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081395163] [2025-03-13 22:22:26,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:26,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:26,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:26,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:26,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:26,189 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 259 [2025-03-13 22:22:26,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 228 transitions, 468 flow. Second operand has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 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 22:22:26,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:26,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 259 [2025-03-13 22:22:26,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:26,241 INFO L124 PetriNetUnfolderBase]: 22/308 cut-off events. [2025-03-13 22:22:26,242 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-13 22:22:26,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 308 events. 22/308 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 916 event pairs, 12 based on Foata normal form. 0/248 useless extension candidates. Maximal degree in co-relation 341. Up to 45 conditions per place. [2025-03-13 22:22:26,248 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 17 selfloop transitions, 2 changer transitions 0/227 dead transitions. [2025-03-13 22:22:26,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 227 transitions, 504 flow [2025-03-13 22:22:26,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:26,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2025-03-13 22:22:26,251 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9176319176319176 [2025-03-13 22:22:26,251 INFO L175 Difference]: Start difference. First operand has 229 places, 228 transitions, 468 flow. Second operand 3 states and 713 transitions. [2025-03-13 22:22:26,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 227 transitions, 504 flow [2025-03-13 22:22:26,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 227 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:26,257 INFO L231 Difference]: Finished difference. Result has 227 places, 227 transitions, 466 flow [2025-03-13 22:22:26,259 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=227, PETRI_TRANSITIONS=227} [2025-03-13 22:22:26,259 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -9 predicate places. [2025-03-13 22:22:26,259 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 227 transitions, 466 flow [2025-03-13 22:22:26,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 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 22:22:26,260 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:26,260 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] [2025-03-13 22:22:26,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:22:26,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:26,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:26,260 INFO L85 PathProgramCache]: Analyzing trace with hash 697385164, now seen corresponding path program 1 times [2025-03-13 22:22:26,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:26,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12477189] [2025-03-13 22:22:26,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:26,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:26,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-13 22:22:26,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-13 22:22:26,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:26,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:26,304 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 22:22:26,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:26,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12477189] [2025-03-13 22:22:26,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12477189] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:26,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:26,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:26,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530690074] [2025-03-13 22:22:26,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:26,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:26,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:26,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:26,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:26,347 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 259 [2025-03-13 22:22:26,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 227 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 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 22:22:26,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:26,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 259 [2025-03-13 22:22:26,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:26,393 INFO L124 PetriNetUnfolderBase]: 22/289 cut-off events. [2025-03-13 22:22:26,393 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-13 22:22:26,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 289 events. 22/289 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 775 event pairs, 12 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 312. Up to 46 conditions per place. [2025-03-13 22:22:26,396 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 18 selfloop transitions, 2 changer transitions 0/226 dead transitions. [2025-03-13 22:22:26,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 226 transitions, 504 flow [2025-03-13 22:22:26,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:26,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:26,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 711 transitions. [2025-03-13 22:22:26,398 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.915057915057915 [2025-03-13 22:22:26,399 INFO L175 Difference]: Start difference. First operand has 227 places, 227 transitions, 466 flow. Second operand 3 states and 711 transitions. [2025-03-13 22:22:26,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 226 transitions, 504 flow [2025-03-13 22:22:26,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 226 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:26,405 INFO L231 Difference]: Finished difference. Result has 226 places, 226 transitions, 464 flow [2025-03-13 22:22:26,405 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=464, PETRI_PLACES=226, PETRI_TRANSITIONS=226} [2025-03-13 22:22:26,406 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -10 predicate places. [2025-03-13 22:22:26,406 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 226 transitions, 464 flow [2025-03-13 22:22:26,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 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 22:22:26,408 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:26,408 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] [2025-03-13 22:22:26,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:22:26,408 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:26,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:26,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1980395398, now seen corresponding path program 1 times [2025-03-13 22:22:26,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:26,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551297626] [2025-03-13 22:22:26,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:26,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:26,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-13 22:22:26,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-13 22:22:26,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:26,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:26,461 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 22:22:26,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:26,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551297626] [2025-03-13 22:22:26,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551297626] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:26,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:26,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:26,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752102293] [2025-03-13 22:22:26,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:26,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:26,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:26,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:26,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:26,510 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 259 [2025-03-13 22:22:26,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 226 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 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 22:22:26,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:26,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 259 [2025-03-13 22:22:26,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:26,574 INFO L124 PetriNetUnfolderBase]: 22/270 cut-off events. [2025-03-13 22:22:26,574 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-13 22:22:26,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 270 events. 22/270 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 620 event pairs, 12 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 281. Up to 45 conditions per place. [2025-03-13 22:22:26,576 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 17 selfloop transitions, 2 changer transitions 0/225 dead transitions. [2025-03-13 22:22:26,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 225 transitions, 500 flow [2025-03-13 22:22:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2025-03-13 22:22:26,578 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9176319176319176 [2025-03-13 22:22:26,578 INFO L175 Difference]: Start difference. First operand has 226 places, 226 transitions, 464 flow. Second operand 3 states and 713 transitions. [2025-03-13 22:22:26,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 225 transitions, 500 flow [2025-03-13 22:22:26,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 225 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:26,582 INFO L231 Difference]: Finished difference. Result has 225 places, 225 transitions, 462 flow [2025-03-13 22:22:26,582 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=225, PETRI_TRANSITIONS=225} [2025-03-13 22:22:26,583 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -11 predicate places. [2025-03-13 22:22:26,583 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 225 transitions, 462 flow [2025-03-13 22:22:26,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 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 22:22:26,584 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:26,584 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] [2025-03-13 22:22:26,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:22:26,585 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:26,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:26,585 INFO L85 PathProgramCache]: Analyzing trace with hash 296685410, now seen corresponding path program 1 times [2025-03-13 22:22:26,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:26,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806882666] [2025-03-13 22:22:26,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:26,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:26,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-13 22:22:26,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-13 22:22:26,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:26,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:26,621 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 22:22:26,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:26,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806882666] [2025-03-13 22:22:26,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806882666] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:26,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:26,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:26,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120696552] [2025-03-13 22:22:26,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:26,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:26,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:26,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:26,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:26,648 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 259 [2025-03-13 22:22:26,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 225 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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 22:22:26,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:26,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 259 [2025-03-13 22:22:26,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:26,748 INFO L124 PetriNetUnfolderBase]: 102/982 cut-off events. [2025-03-13 22:22:26,748 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-03-13 22:22:26,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 982 events. 102/982 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 6263 event pairs, 51 based on Foata normal form. 0/746 useless extension candidates. Maximal degree in co-relation 1096. Up to 144 conditions per place. [2025-03-13 22:22:26,758 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 15 selfloop transitions, 2 changer transitions 0/224 dead transitions. [2025-03-13 22:22:26,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 224 transitions, 494 flow [2025-03-13 22:22:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2025-03-13 22:22:26,761 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9227799227799228 [2025-03-13 22:22:26,761 INFO L175 Difference]: Start difference. First operand has 225 places, 225 transitions, 462 flow. Second operand 3 states and 717 transitions. [2025-03-13 22:22:26,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 224 transitions, 494 flow [2025-03-13 22:22:26,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 224 transitions, 490 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:26,765 INFO L231 Difference]: Finished difference. Result has 224 places, 224 transitions, 460 flow [2025-03-13 22:22:26,765 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=460, PETRI_PLACES=224, PETRI_TRANSITIONS=224} [2025-03-13 22:22:26,767 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -12 predicate places. [2025-03-13 22:22:26,767 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 224 transitions, 460 flow [2025-03-13 22:22:26,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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 22:22:26,768 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:26,768 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] [2025-03-13 22:22:26,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:22:26,769 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:26,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:26,773 INFO L85 PathProgramCache]: Analyzing trace with hash 2074971652, now seen corresponding path program 1 times [2025-03-13 22:22:26,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:26,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740163774] [2025-03-13 22:22:26,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:26,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:26,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-13 22:22:26,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-13 22:22:26,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:26,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:26,821 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 22:22:26,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:26,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740163774] [2025-03-13 22:22:26,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740163774] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:26,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:26,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:26,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900105955] [2025-03-13 22:22:26,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:26,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:26,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:26,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:26,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:26,854 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 259 [2025-03-13 22:22:26,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 224 transitions, 460 flow. Second operand has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 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 22:22:26,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:26,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 259 [2025-03-13 22:22:26,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:26,894 INFO L124 PetriNetUnfolderBase]: 31/300 cut-off events. [2025-03-13 22:22:26,894 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:22:26,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 300 events. 31/300 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1025 event pairs, 18 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 340. Up to 60 conditions per place. [2025-03-13 22:22:26,897 INFO L140 encePairwiseOnDemand]: 250/259 looper letters, 23 selfloop transitions, 3 changer transitions 0/222 dead transitions. [2025-03-13 22:22:26,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 222 transitions, 511 flow [2025-03-13 22:22:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:26,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 704 transitions. [2025-03-13 22:22:26,899 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9060489060489061 [2025-03-13 22:22:26,899 INFO L175 Difference]: Start difference. First operand has 224 places, 224 transitions, 460 flow. Second operand 3 states and 704 transitions. [2025-03-13 22:22:26,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 222 transitions, 511 flow [2025-03-13 22:22:26,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 222 transitions, 507 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:26,902 INFO L231 Difference]: Finished difference. Result has 219 places, 219 transitions, 457 flow [2025-03-13 22:22:26,902 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=457, PETRI_PLACES=219, PETRI_TRANSITIONS=219} [2025-03-13 22:22:26,903 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -17 predicate places. [2025-03-13 22:22:26,903 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 219 transitions, 457 flow [2025-03-13 22:22:26,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 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 22:22:26,903 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:26,904 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] [2025-03-13 22:22:26,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:22:26,904 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:26,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:26,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1182941595, now seen corresponding path program 1 times [2025-03-13 22:22:26,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:26,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45390954] [2025-03-13 22:22:26,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:26,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:26,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-13 22:22:26,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-13 22:22:26,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:26,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:26,927 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 22:22:26,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:26,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45390954] [2025-03-13 22:22:26,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45390954] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:26,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:26,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:26,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892505479] [2025-03-13 22:22:26,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:26,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:26,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:26,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:26,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:26,954 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 259 [2025-03-13 22:22:26,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 219 transitions, 457 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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 22:22:26,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:26,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 259 [2025-03-13 22:22:26,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:27,002 INFO L124 PetriNetUnfolderBase]: 31/296 cut-off events. [2025-03-13 22:22:27,002 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-13 22:22:27,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 296 events. 31/296 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 956 event pairs, 18 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 322. Up to 58 conditions per place. [2025-03-13 22:22:27,005 INFO L140 encePairwiseOnDemand]: 251/259 looper letters, 21 selfloop transitions, 3 changer transitions 0/218 dead transitions. [2025-03-13 22:22:27,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 218 transitions, 506 flow [2025-03-13 22:22:27,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions. [2025-03-13 22:22:27,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9137709137709138 [2025-03-13 22:22:27,008 INFO L175 Difference]: Start difference. First operand has 219 places, 219 transitions, 457 flow. Second operand 3 states and 710 transitions. [2025-03-13 22:22:27,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 218 transitions, 506 flow [2025-03-13 22:22:27,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 218 transitions, 503 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:22:27,011 INFO L231 Difference]: Finished difference. Result has 216 places, 215 transitions, 457 flow [2025-03-13 22:22:27,011 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=457, PETRI_PLACES=216, PETRI_TRANSITIONS=215} [2025-03-13 22:22:27,012 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -20 predicate places. [2025-03-13 22:22:27,012 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 215 transitions, 457 flow [2025-03-13 22:22:27,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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 22:22:27,013 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:27,013 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] [2025-03-13 22:22:27,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:22:27,013 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:27,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:27,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1534693952, now seen corresponding path program 1 times [2025-03-13 22:22:27,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:27,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187272765] [2025-03-13 22:22:27,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:27,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:27,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-13 22:22:27,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-13 22:22:27,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:27,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:27,064 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 22:22:27,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:27,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187272765] [2025-03-13 22:22:27,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187272765] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:27,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:27,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:27,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988463963] [2025-03-13 22:22:27,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:27,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:27,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:27,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:27,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:27,093 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 259 [2025-03-13 22:22:27,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 215 transitions, 457 flow. Second operand has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 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 22:22:27,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:27,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 259 [2025-03-13 22:22:27,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:27,145 INFO L124 PetriNetUnfolderBase]: 39/409 cut-off events. [2025-03-13 22:22:27,145 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-03-13 22:22:27,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 523 conditions, 409 events. 39/409 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1608 event pairs, 15 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 444. Up to 64 conditions per place. [2025-03-13 22:22:27,149 INFO L140 encePairwiseOnDemand]: 249/259 looper letters, 26 selfloop transitions, 4 changer transitions 0/217 dead transitions. [2025-03-13 22:22:27,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 217 transitions, 527 flow [2025-03-13 22:22:27,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:27,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:27,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 708 transitions. [2025-03-13 22:22:27,151 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9111969111969112 [2025-03-13 22:22:27,151 INFO L175 Difference]: Start difference. First operand has 216 places, 215 transitions, 457 flow. Second operand 3 states and 708 transitions. [2025-03-13 22:22:27,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 217 transitions, 527 flow [2025-03-13 22:22:27,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 217 transitions, 524 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:22:27,154 INFO L231 Difference]: Finished difference. Result has 212 places, 211 transitions, 462 flow [2025-03-13 22:22:27,154 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=212, PETRI_TRANSITIONS=211} [2025-03-13 22:22:27,154 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -24 predicate places. [2025-03-13 22:22:27,154 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 211 transitions, 462 flow [2025-03-13 22:22:27,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 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 22:22:27,155 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:27,155 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] [2025-03-13 22:22:27,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:22:27,155 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:27,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:27,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1667117127, now seen corresponding path program 1 times [2025-03-13 22:22:27,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:27,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590941545] [2025-03-13 22:22:27,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:27,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:27,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-13 22:22:27,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-13 22:22:27,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:27,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:27,215 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 22:22:27,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:27,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590941545] [2025-03-13 22:22:27,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590941545] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:27,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:27,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-13 22:22:27,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146232586] [2025-03-13 22:22:27,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:27,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-13 22:22:27,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:27,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-13 22:22:27,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-13 22:22:27,237 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 259 [2025-03-13 22:22:27,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 211 transitions, 462 flow. Second operand has 4 states, 4 states have (on average 233.25) internal successors, (933), 4 states have internal predecessors, (933), 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 22:22:27,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:27,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 259 [2025-03-13 22:22:27,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:27,284 INFO L124 PetriNetUnfolderBase]: 12/347 cut-off events. [2025-03-13 22:22:27,284 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-13 22:22:27,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 347 events. 12/347 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1118 event pairs, 0 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 291. Up to 26 conditions per place. [2025-03-13 22:22:27,287 INFO L140 encePairwiseOnDemand]: 253/259 looper letters, 19 selfloop transitions, 5 changer transitions 0/216 dead transitions. [2025-03-13 22:22:27,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 216 transitions, 520 flow [2025-03-13 22:22:27,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-13 22:22:27,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-13 22:22:27,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1185 transitions. [2025-03-13 22:22:27,289 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.915057915057915 [2025-03-13 22:22:27,289 INFO L175 Difference]: Start difference. First operand has 212 places, 211 transitions, 462 flow. Second operand 5 states and 1185 transitions. [2025-03-13 22:22:27,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 216 transitions, 520 flow [2025-03-13 22:22:27,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 216 transitions, 516 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:22:27,292 INFO L231 Difference]: Finished difference. Result has 219 places, 215 transitions, 496 flow [2025-03-13 22:22:27,292 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=496, PETRI_PLACES=219, PETRI_TRANSITIONS=215} [2025-03-13 22:22:27,293 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -17 predicate places. [2025-03-13 22:22:27,293 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 215 transitions, 496 flow [2025-03-13 22:22:27,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 233.25) internal successors, (933), 4 states have internal predecessors, (933), 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 22:22:27,293 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:27,294 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] [2025-03-13 22:22:27,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-13 22:22:27,294 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:27,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:27,294 INFO L85 PathProgramCache]: Analyzing trace with hash -2054302675, now seen corresponding path program 1 times [2025-03-13 22:22:27,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:27,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606035104] [2025-03-13 22:22:27,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:27,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:27,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-13 22:22:27,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-13 22:22:27,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:27,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:27,317 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 22:22:27,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:27,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606035104] [2025-03-13 22:22:27,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606035104] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:27,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:27,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:27,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681380526] [2025-03-13 22:22:27,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:27,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:27,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:27,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:27,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:27,337 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 259 [2025-03-13 22:22:27,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 215 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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 22:22:27,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:27,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 259 [2025-03-13 22:22:27,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:27,416 INFO L124 PetriNetUnfolderBase]: 58/561 cut-off events. [2025-03-13 22:22:27,416 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2025-03-13 22:22:27,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 751 conditions, 561 events. 58/561 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2796 event pairs, 5 based on Foata normal form. 1/517 useless extension candidates. Maximal degree in co-relation 497. Up to 92 conditions per place. [2025-03-13 22:22:27,420 INFO L140 encePairwiseOnDemand]: 251/259 looper letters, 22 selfloop transitions, 3 changer transitions 10/218 dead transitions. [2025-03-13 22:22:27,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 218 transitions, 563 flow [2025-03-13 22:22:27,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:27,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2025-03-13 22:22:27,422 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9176319176319176 [2025-03-13 22:22:27,422 INFO L175 Difference]: Start difference. First operand has 219 places, 215 transitions, 496 flow. Second operand 3 states and 713 transitions. [2025-03-13 22:22:27,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 218 transitions, 563 flow [2025-03-13 22:22:27,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 218 transitions, 563 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:22:27,425 INFO L231 Difference]: Finished difference. Result has 217 places, 201 transitions, 478 flow [2025-03-13 22:22:27,425 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=217, PETRI_TRANSITIONS=201} [2025-03-13 22:22:27,426 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -19 predicate places. [2025-03-13 22:22:27,426 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 201 transitions, 478 flow [2025-03-13 22:22:27,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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 22:22:27,426 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:27,426 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 22:22:27,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-13 22:22:27,426 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:27,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:27,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1733441363, now seen corresponding path program 1 times [2025-03-13 22:22:27,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:27,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532877322] [2025-03-13 22:22:27,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:27,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:27,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-13 22:22:27,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-13 22:22:27,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:27,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:27,461 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 22:22:27,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:27,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532877322] [2025-03-13 22:22:27,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532877322] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:27,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:27,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:27,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787681327] [2025-03-13 22:22:27,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:27,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:27,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:27,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:27,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:27,477 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 259 [2025-03-13 22:22:27,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 201 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 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 22:22:27,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:27,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 259 [2025-03-13 22:22:27,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:27,880 INFO L124 PetriNetUnfolderBase]: 746/4032 cut-off events. [2025-03-13 22:22:27,881 INFO L125 PetriNetUnfolderBase]: For 121/121 co-relation queries the response was YES. [2025-03-13 22:22:27,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5626 conditions, 4032 events. 746/4032 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 40417 event pairs, 276 based on Foata normal form. 0/3537 useless extension candidates. Maximal degree in co-relation 4163. Up to 1027 conditions per place. [2025-03-13 22:22:27,977 INFO L140 encePairwiseOnDemand]: 251/259 looper letters, 19 selfloop transitions, 4 changer transitions 0/204 dead transitions. [2025-03-13 22:22:27,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 204 transitions, 533 flow [2025-03-13 22:22:27,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:27,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:27,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 720 transitions. [2025-03-13 22:22:27,978 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9266409266409267 [2025-03-13 22:22:27,978 INFO L175 Difference]: Start difference. First operand has 217 places, 201 transitions, 478 flow. Second operand 3 states and 720 transitions. [2025-03-13 22:22:27,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 204 transitions, 533 flow [2025-03-13 22:22:27,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 204 transitions, 530 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:22:27,986 INFO L231 Difference]: Finished difference. Result has 205 places, 201 transitions, 495 flow [2025-03-13 22:22:27,987 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=495, PETRI_PLACES=205, PETRI_TRANSITIONS=201} [2025-03-13 22:22:27,988 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -31 predicate places. [2025-03-13 22:22:27,988 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 201 transitions, 495 flow [2025-03-13 22:22:27,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 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 22:22:27,989 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:27,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:27,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-13 22:22:27,989 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:27,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:27,990 INFO L85 PathProgramCache]: Analyzing trace with hash 986255362, now seen corresponding path program 1 times [2025-03-13 22:22:27,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:27,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029502000] [2025-03-13 22:22:27,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:27,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:27,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-13 22:22:27,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-13 22:22:27,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:27,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:28,016 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 22:22:28,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:28,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029502000] [2025-03-13 22:22:28,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029502000] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:28,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:28,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:28,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981635667] [2025-03-13 22:22:28,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:28,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:28,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:28,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:28,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:28,052 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 259 [2025-03-13 22:22:28,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 201 transitions, 495 flow. Second operand has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 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 22:22:28,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:28,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 259 [2025-03-13 22:22:28,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:28,163 INFO L124 PetriNetUnfolderBase]: 203/1313 cut-off events. [2025-03-13 22:22:28,163 INFO L125 PetriNetUnfolderBase]: For 23/35 co-relation queries the response was YES. [2025-03-13 22:22:28,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1937 conditions, 1313 events. 203/1313 cut-off events. For 23/35 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 9904 event pairs, 64 based on Foata normal form. 0/1175 useless extension candidates. Maximal degree in co-relation 1269. Up to 174 conditions per place. [2025-03-13 22:22:28,176 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 19 selfloop transitions, 2 changer transitions 0/203 dead transitions. [2025-03-13 22:22:28,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 203 transitions, 544 flow [2025-03-13 22:22:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2025-03-13 22:22:28,178 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9227799227799228 [2025-03-13 22:22:28,178 INFO L175 Difference]: Start difference. First operand has 205 places, 201 transitions, 495 flow. Second operand 3 states and 717 transitions. [2025-03-13 22:22:28,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 203 transitions, 544 flow [2025-03-13 22:22:28,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 203 transitions, 544 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:22:28,181 INFO L231 Difference]: Finished difference. Result has 206 places, 200 transitions, 497 flow [2025-03-13 22:22:28,181 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=206, PETRI_TRANSITIONS=200} [2025-03-13 22:22:28,182 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -30 predicate places. [2025-03-13 22:22:28,182 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 200 transitions, 497 flow [2025-03-13 22:22:28,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 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 22:22:28,183 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:28,183 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:28,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-13 22:22:28,183 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:28,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:28,183 INFO L85 PathProgramCache]: Analyzing trace with hash 803900287, now seen corresponding path program 1 times [2025-03-13 22:22:28,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:28,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889826554] [2025-03-13 22:22:28,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:28,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:28,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-13 22:22:28,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-13 22:22:28,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:28,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:28,217 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 22:22:28,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:28,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889826554] [2025-03-13 22:22:28,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889826554] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:28,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:28,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:28,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132964692] [2025-03-13 22:22:28,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:28,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:28,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:28,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:28,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:28,245 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 259 [2025-03-13 22:22:28,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 200 transitions, 497 flow. Second operand has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 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 22:22:28,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:28,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 259 [2025-03-13 22:22:28,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:28,393 INFO L124 PetriNetUnfolderBase]: 314/1609 cut-off events. [2025-03-13 22:22:28,393 INFO L125 PetriNetUnfolderBase]: For 88/96 co-relation queries the response was YES. [2025-03-13 22:22:28,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2542 conditions, 1609 events. 314/1609 cut-off events. For 88/96 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 12808 event pairs, 121 based on Foata normal form. 0/1475 useless extension candidates. Maximal degree in co-relation 2449. Up to 298 conditions per place. [2025-03-13 22:22:28,455 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 18 selfloop transitions, 2 changer transitions 0/202 dead transitions. [2025-03-13 22:22:28,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 202 transitions, 544 flow [2025-03-13 22:22:28,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:28,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:28,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 719 transitions. [2025-03-13 22:22:28,459 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9253539253539254 [2025-03-13 22:22:28,459 INFO L175 Difference]: Start difference. First operand has 206 places, 200 transitions, 497 flow. Second operand 3 states and 719 transitions. [2025-03-13 22:22:28,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 202 transitions, 544 flow [2025-03-13 22:22:28,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 202 transitions, 540 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:28,463 INFO L231 Difference]: Finished difference. Result has 205 places, 199 transitions, 495 flow [2025-03-13 22:22:28,463 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=495, PETRI_PLACES=205, PETRI_TRANSITIONS=199} [2025-03-13 22:22:28,464 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -31 predicate places. [2025-03-13 22:22:28,464 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 199 transitions, 495 flow [2025-03-13 22:22:28,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 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 22:22:28,465 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:28,465 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:28,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-13 22:22:28,465 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:28,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:28,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1365715618, now seen corresponding path program 1 times [2025-03-13 22:22:28,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:28,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644840914] [2025-03-13 22:22:28,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:28,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:28,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-13 22:22:28,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-13 22:22:28,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:28,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:28,508 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 22:22:28,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:28,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644840914] [2025-03-13 22:22:28,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644840914] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:28,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:28,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:28,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242556832] [2025-03-13 22:22:28,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:28,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:28,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:28,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:28,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:28,556 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 259 [2025-03-13 22:22:28,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 199 transitions, 495 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 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 22:22:28,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:28,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 259 [2025-03-13 22:22:28,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:28,665 INFO L124 PetriNetUnfolderBase]: 228/1269 cut-off events. [2025-03-13 22:22:28,665 INFO L125 PetriNetUnfolderBase]: For 95/98 co-relation queries the response was YES. [2025-03-13 22:22:28,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1987 conditions, 1269 events. 228/1269 cut-off events. For 95/98 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 8995 event pairs, 80 based on Foata normal form. 0/1172 useless extension candidates. Maximal degree in co-relation 1803. Up to 228 conditions per place. [2025-03-13 22:22:28,678 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 20 selfloop transitions, 2 changer transitions 0/201 dead transitions. [2025-03-13 22:22:28,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 201 transitions, 546 flow [2025-03-13 22:22:28,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2025-03-13 22:22:28,680 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9227799227799228 [2025-03-13 22:22:28,680 INFO L175 Difference]: Start difference. First operand has 205 places, 199 transitions, 495 flow. Second operand 3 states and 717 transitions. [2025-03-13 22:22:28,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 201 transitions, 546 flow [2025-03-13 22:22:28,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 201 transitions, 542 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:28,684 INFO L231 Difference]: Finished difference. Result has 204 places, 198 transitions, 493 flow [2025-03-13 22:22:28,684 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=204, PETRI_TRANSITIONS=198} [2025-03-13 22:22:28,684 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -32 predicate places. [2025-03-13 22:22:28,684 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 198 transitions, 493 flow [2025-03-13 22:22:28,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 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 22:22:28,685 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:28,685 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, 1, 1, 1, 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 22:22:28,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-13 22:22:28,685 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2025-03-13 22:22:28,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:28,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1670040260, now seen corresponding path program 1 times [2025-03-13 22:22:28,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:28,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739947881] [2025-03-13 22:22:28,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:28,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:28,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-13 22:22:28,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-13 22:22:28,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:28,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:28,732 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 22:22:28,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:28,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739947881] [2025-03-13 22:22:28,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739947881] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:28,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:28,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:28,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899574861] [2025-03-13 22:22:28,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:28,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:28,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:28,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:28,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:28,758 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 259 [2025-03-13 22:22:28,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 198 transitions, 493 flow. Second operand has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 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 22:22:28,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:28,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 259 [2025-03-13 22:22:28,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:28,835 INFO L124 PetriNetUnfolderBase]: 145/1013 cut-off events. [2025-03-13 22:22:28,836 INFO L125 PetriNetUnfolderBase]: For 75/82 co-relation queries the response was YES. [2025-03-13 22:22:28,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1480 conditions, 1013 events. 145/1013 cut-off events. For 75/82 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6603 event pairs, 39 based on Foata normal form. 1/936 useless extension candidates. Maximal degree in co-relation 1332. Up to 128 conditions per place. [2025-03-13 22:22:28,841 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 0 selfloop transitions, 0 changer transitions 200/200 dead transitions. [2025-03-13 22:22:28,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 200 transitions, 540 flow [2025-03-13 22:22:28,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:28,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:28,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 719 transitions. [2025-03-13 22:22:28,843 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9253539253539254 [2025-03-13 22:22:28,843 INFO L175 Difference]: Start difference. First operand has 204 places, 198 transitions, 493 flow. Second operand 3 states and 719 transitions. [2025-03-13 22:22:28,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 200 transitions, 540 flow [2025-03-13 22:22:28,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 200 transitions, 536 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:28,845 INFO L231 Difference]: Finished difference. Result has 203 places, 0 transitions, 0 flow [2025-03-13 22:22:28,845 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=203, PETRI_TRANSITIONS=0} [2025-03-13 22:22:28,846 INFO L279 CegarLoopForPetriNet]: 236 programPoint places, -33 predicate places. [2025-03-13 22:22:28,846 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 0 transitions, 0 flow [2025-03-13 22:22:28,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 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 22:22:28,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 59 remaining) [2025-03-13 22:22:28,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2025-03-13 22:22:28,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2025-03-13 22:22:28,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2025-03-13 22:22:28,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2025-03-13 22:22:28,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2025-03-13 22:22:28,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2025-03-13 22:22:28,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2025-03-13 22:22:28,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (23 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2025-03-13 22:22:28,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2025-03-13 22:22:28,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2025-03-13 22:22:28,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-13 22:22:28,850 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:28,854 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:22:28,854 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:22:28,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:22:28 BasicIcfg [2025-03-13 22:22:28,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:22:28,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:22:28,858 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:22:28,859 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:22:28,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:22:25" (3/4) ... [2025-03-13 22:22:28,860 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 22:22:28,862 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-13 22:22:28,862 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-13 22:22:28,862 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-13 22:22:28,862 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread4 [2025-03-13 22:22:28,865 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-03-13 22:22:28,866 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-13 22:22:28,866 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-13 22:22:28,866 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 22:22:28,936 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:22:28,936 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:22:28,936 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:22:28,937 INFO L158 Benchmark]: Toolchain (without parser) took 4145.98ms. Allocated memory was 167.8MB in the beginning and 343.9MB in the end (delta: 176.2MB). Free memory was 124.0MB in the beginning and 111.9MB in the end (delta: 12.1MB). Peak memory consumption was 188.2MB. Max. memory is 16.1GB. [2025-03-13 22:22:28,938 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 201.3MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:22:28,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.26ms. Allocated memory is still 167.8MB. Free memory was 124.0MB in the beginning and 111.6MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:22:28,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.24ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 110.6MB in the end (delta: 940.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:22:28,939 INFO L158 Benchmark]: Boogie Preprocessor took 24.24ms. Allocated memory is still 167.8MB. Free memory was 110.6MB in the beginning and 109.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:22:28,939 INFO L158 Benchmark]: IcfgBuilder took 380.83ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 88.3MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-13 22:22:28,941 INFO L158 Benchmark]: TraceAbstraction took 3423.04ms. Allocated memory was 167.8MB in the beginning and 343.9MB in the end (delta: 176.2MB). Free memory was 87.5MB in the beginning and 120.3MB in the end (delta: -32.8MB). Peak memory consumption was 146.3MB. Max. memory is 16.1GB. [2025-03-13 22:22:28,941 INFO L158 Benchmark]: Witness Printer took 77.83ms. Allocated memory is still 343.9MB. Free memory was 120.3MB in the beginning and 111.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:22:28,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 201.3MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.26ms. Allocated memory is still 167.8MB. Free memory was 124.0MB in the beginning and 111.6MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.24ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 110.6MB in the end (delta: 940.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.24ms. Allocated memory is still 167.8MB. Free memory was 110.6MB in the beginning and 109.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 380.83ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 88.3MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3423.04ms. Allocated memory was 167.8MB in the beginning and 343.9MB in the end (delta: 176.2MB). Free memory was 87.5MB in the beginning and 120.3MB in the end (delta: -32.8MB). Peak memory consumption was 146.3MB. Max. memory is 16.1GB. * Witness Printer took 77.83ms. Allocated memory is still 343.9MB. Free memory was 120.3MB in the beginning and 111.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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 9 procedures, 342 locations, 59 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: 3.3s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 681 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 697 IncrementalHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 103 mSDtfsCounter, 697 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=497occurred in iteration=12, InterpolantAutomatonStates: 47, 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, 0.5s InterpolantComputationTime, 955 NumberOfCodeBlocks, 955 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 940 ConstructedInterpolants, 0 QuantifiedInterpolants, 970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 22:22:28,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE