./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-match-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-match-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77faa562cc80dab159af187984ab1ce484b13225711253aedc5512d7a84dfd3f --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:23:11,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:23:11,696 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:23:11,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:23:11,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:23:11,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:23:11,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:23:11,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:23:11,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:23:11,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:23:11,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:23:11,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:23:11,726 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:23:11,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:23:11,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:23:11,726 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:23:11,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:23:11,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:23:11,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:23:11,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:23:11,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:23:11,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:23:11,727 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:23:11,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:23:11,727 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:23:11,728 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:23:11,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:23:11,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:23:11,728 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 -> 77faa562cc80dab159af187984ab1ce484b13225711253aedc5512d7a84dfd3f [2025-03-13 22:23:11,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:23:11,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:23:11,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:23:11,958 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:23:11,958 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:23:11,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-match-symm.wvr.c [2025-03-13 22:23:13,076 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd3b60cbf/69c68d7433fb4a45aca90f1a85d8efbe/FLAG1f256729d [2025-03-13 22:23:13,295 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:23:13,296 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-symm.wvr.c [2025-03-13 22:23:13,302 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd3b60cbf/69c68d7433fb4a45aca90f1a85d8efbe/FLAG1f256729d [2025-03-13 22:23:13,655 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd3b60cbf/69c68d7433fb4a45aca90f1a85d8efbe [2025-03-13 22:23:13,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:23:13,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:23:13,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:23:13,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:23:13,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:23:13,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6423332c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13, skipping insertion in model container [2025-03-13 22:23:13,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:23:13,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:23:13,800 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:23:13,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:23:13,834 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:23:13,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13 WrapperNode [2025-03-13 22:23:13,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:23:13,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:23:13,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:23:13,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:23:13,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,869 INFO L138 Inliner]: procedures = 21, calls = 18, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 241 [2025-03-13 22:23:13,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:23:13,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:23:13,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:23:13,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:23:13,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,881 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:23:13,889 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:23:13,889 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:23:13,889 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:23:13,889 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13" (1/1) ... [2025-03-13 22:23:13,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:23:13,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:23:13,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-13 22:23:13,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-13 22:23:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:23:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 22:23:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 22:23:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-13 22:23:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-13 22:23:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:23:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:23:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:23:13,933 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:23:14,001 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:23:14,002 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:23:14,356 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:23:14,356 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:23:14,357 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:23:14,374 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:23:14,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:23:14 BoogieIcfgContainer [2025-03-13 22:23:14,375 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:23:14,377 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:23:14,377 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:23:14,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:23:14,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:23:13" (1/3) ... [2025-03-13 22:23:14,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe66c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:23:14, skipping insertion in model container [2025-03-13 22:23:14,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:13" (2/3) ... [2025-03-13 22:23:14,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe66c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:23:14, skipping insertion in model container [2025-03-13 22:23:14,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:23:14" (3/3) ... [2025-03-13 22:23:14,383 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c [2025-03-13 22:23:14,393 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:23:14,394 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-match-symm.wvr.c that has 3 procedures, 326 locations, 1 initial locations, 0 loop locations, and 30 error locations. [2025-03-13 22:23:14,395 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:23:14,492 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-13 22:23:14,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 332 places, 341 transitions, 696 flow [2025-03-13 22:23:14,643 INFO L124 PetriNetUnfolderBase]: 16/339 cut-off events. [2025-03-13 22:23:14,645 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 22:23:14,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 339 events. 16/339 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 365 event pairs, 0 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 198. Up to 2 conditions per place. [2025-03-13 22:23:14,656 INFO L82 GeneralOperation]: Start removeDead. Operand has 332 places, 341 transitions, 696 flow [2025-03-13 22:23:14,664 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 312 places, 319 transitions, 650 flow [2025-03-13 22:23:14,672 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:23:14,681 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;@efcab38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:23:14,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2025-03-13 22:23:14,686 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:23:14,686 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2025-03-13 22:23:14,686 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:23:14,686 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:14,687 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] [2025-03-13 22:23:14,687 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:14,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:14,691 INFO L85 PathProgramCache]: Analyzing trace with hash -841080367, now seen corresponding path program 1 times [2025-03-13 22:23:14,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:14,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927226210] [2025-03-13 22:23:14,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:14,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:14,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-13 22:23:14,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-13 22:23:14,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:14,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:14,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:14,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927226210] [2025-03-13 22:23:14,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927226210] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:14,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:14,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:14,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677917936] [2025-03-13 22:23:14,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:14,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:14,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:14,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:14,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:14,892 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 341 [2025-03-13 22:23:14,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 319 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:14,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:14,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 341 [2025-03-13 22:23:14,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:15,007 INFO L124 PetriNetUnfolderBase]: 14/504 cut-off events. [2025-03-13 22:23:15,009 INFO L125 PetriNetUnfolderBase]: For 15/16 co-relation queries the response was YES. [2025-03-13 22:23:15,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 504 events. 14/504 cut-off events. For 15/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1236 event pairs, 8 based on Foata normal form. 27/459 useless extension candidates. Maximal degree in co-relation 403. Up to 28 conditions per place. [2025-03-13 22:23:15,016 INFO L140 encePairwiseOnDemand]: 328/341 looper letters, 11 selfloop transitions, 2 changer transitions 2/308 dead transitions. [2025-03-13 22:23:15,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 308 transitions, 654 flow [2025-03-13 22:23:15,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:15,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2025-03-13 22:23:15,029 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9442815249266863 [2025-03-13 22:23:15,032 INFO L175 Difference]: Start difference. First operand has 312 places, 319 transitions, 650 flow. Second operand 3 states and 966 transitions. [2025-03-13 22:23:15,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 308 transitions, 654 flow [2025-03-13 22:23:15,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 308 transitions, 646 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-13 22:23:15,042 INFO L231 Difference]: Finished difference. Result has 309 places, 306 transitions, 620 flow [2025-03-13 22:23:15,044 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=309, PETRI_TRANSITIONS=306} [2025-03-13 22:23:15,048 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -3 predicate places. [2025-03-13 22:23:15,049 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 306 transitions, 620 flow [2025-03-13 22:23:15,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,050 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:15,050 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:15,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:23:15,051 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:15,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:15,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1467583853, now seen corresponding path program 1 times [2025-03-13 22:23:15,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:15,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755595274] [2025-03-13 22:23:15,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:15,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:15,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-13 22:23:15,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-13 22:23:15,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:15,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:15,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:15,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755595274] [2025-03-13 22:23:15,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755595274] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:15,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:15,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:15,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879096330] [2025-03-13 22:23:15,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:15,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:15,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:15,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:15,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:15,130 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 341 [2025-03-13 22:23:15,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 306 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:15,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 341 [2025-03-13 22:23:15,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:15,185 INFO L124 PetriNetUnfolderBase]: 9/487 cut-off events. [2025-03-13 22:23:15,185 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 22:23:15,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 487 events. 9/487 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1151 event pairs, 3 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 480. Up to 16 conditions per place. [2025-03-13 22:23:15,188 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 9 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2025-03-13 22:23:15,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 305 transitions, 640 flow [2025-03-13 22:23:15,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2025-03-13 22:23:15,190 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2025-03-13 22:23:15,190 INFO L175 Difference]: Start difference. First operand has 309 places, 306 transitions, 620 flow. Second operand 3 states and 960 transitions. [2025-03-13 22:23:15,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 305 transitions, 640 flow [2025-03-13 22:23:15,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 305 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:15,194 INFO L231 Difference]: Finished difference. Result has 306 places, 305 transitions, 618 flow [2025-03-13 22:23:15,194 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=306, PETRI_TRANSITIONS=305} [2025-03-13 22:23:15,195 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -6 predicate places. [2025-03-13 22:23:15,195 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 305 transitions, 618 flow [2025-03-13 22:23:15,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,196 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:15,196 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] [2025-03-13 22:23:15,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:23:15,196 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:15,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:15,196 INFO L85 PathProgramCache]: Analyzing trace with hash -2102573185, now seen corresponding path program 1 times [2025-03-13 22:23:15,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:15,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618095044] [2025-03-13 22:23:15,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:15,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:15,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-13 22:23:15,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-13 22:23:15,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:15,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:15,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:15,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:15,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618095044] [2025-03-13 22:23:15,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618095044] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:15,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:15,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:15,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866648301] [2025-03-13 22:23:15,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:15,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:15,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:15,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:15,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:15,269 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 341 [2025-03-13 22:23:15,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 305 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:15,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 341 [2025-03-13 22:23:15,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:15,324 INFO L124 PetriNetUnfolderBase]: 9/480 cut-off events. [2025-03-13 22:23:15,324 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 22:23:15,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 480 events. 9/480 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1112 event pairs, 3 based on Foata normal form. 0/414 useless extension candidates. Maximal degree in co-relation 465. Up to 16 conditions per place. [2025-03-13 22:23:15,326 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 9 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2025-03-13 22:23:15,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 304 transitions, 638 flow [2025-03-13 22:23:15,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:15,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:15,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2025-03-13 22:23:15,328 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2025-03-13 22:23:15,328 INFO L175 Difference]: Start difference. First operand has 306 places, 305 transitions, 618 flow. Second operand 3 states and 960 transitions. [2025-03-13 22:23:15,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 304 transitions, 638 flow [2025-03-13 22:23:15,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 304 transitions, 634 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:15,333 INFO L231 Difference]: Finished difference. Result has 305 places, 304 transitions, 616 flow [2025-03-13 22:23:15,334 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=305, PETRI_TRANSITIONS=304} [2025-03-13 22:23:15,335 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -7 predicate places. [2025-03-13 22:23:15,336 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 304 transitions, 616 flow [2025-03-13 22:23:15,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,336 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:15,336 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] [2025-03-13 22:23:15,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:23:15,337 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:15,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:15,338 INFO L85 PathProgramCache]: Analyzing trace with hash 642549618, now seen corresponding path program 1 times [2025-03-13 22:23:15,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:15,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999618255] [2025-03-13 22:23:15,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:15,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:15,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-13 22:23:15,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-13 22:23:15,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:15,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:15,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:15,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999618255] [2025-03-13 22:23:15,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999618255] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:15,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:15,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:15,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628000616] [2025-03-13 22:23:15,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:15,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:15,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:15,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:15,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:15,402 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 341 [2025-03-13 22:23:15,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 304 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:15,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 341 [2025-03-13 22:23:15,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:15,458 INFO L124 PetriNetUnfolderBase]: 14/499 cut-off events. [2025-03-13 22:23:15,458 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-03-13 22:23:15,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 499 events. 14/499 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1226 event pairs, 8 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 489. Up to 28 conditions per place. [2025-03-13 22:23:15,461 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 11 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2025-03-13 22:23:15,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 303 transitions, 640 flow [2025-03-13 22:23:15,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:15,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2025-03-13 22:23:15,464 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9345063538611925 [2025-03-13 22:23:15,464 INFO L175 Difference]: Start difference. First operand has 305 places, 304 transitions, 616 flow. Second operand 3 states and 956 transitions. [2025-03-13 22:23:15,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 303 transitions, 640 flow [2025-03-13 22:23:15,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 303 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:15,468 INFO L231 Difference]: Finished difference. Result has 304 places, 303 transitions, 614 flow [2025-03-13 22:23:15,469 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=614, PETRI_PLACES=304, PETRI_TRANSITIONS=303} [2025-03-13 22:23:15,469 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -8 predicate places. [2025-03-13 22:23:15,469 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 303 transitions, 614 flow [2025-03-13 22:23:15,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,470 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:15,470 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 22:23:15,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:23:15,470 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:15,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:15,471 INFO L85 PathProgramCache]: Analyzing trace with hash -2002141854, now seen corresponding path program 1 times [2025-03-13 22:23:15,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:15,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517658806] [2025-03-13 22:23:15,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:15,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:15,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-13 22:23:15,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-13 22:23:15,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:15,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:15,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:15,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517658806] [2025-03-13 22:23:15,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517658806] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:15,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:15,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:15,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067590912] [2025-03-13 22:23:15,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:15,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:15,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:15,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:15,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:15,536 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 341 [2025-03-13 22:23:15,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 303 transitions, 614 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:15,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 341 [2025-03-13 22:23:15,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:15,591 INFO L124 PetriNetUnfolderBase]: 9/487 cut-off events. [2025-03-13 22:23:15,592 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-03-13 22:23:15,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 487 events. 9/487 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 798 event pairs, 3 based on Foata normal form. 0/420 useless extension candidates. Maximal degree in co-relation 456. Up to 16 conditions per place. [2025-03-13 22:23:15,596 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 9 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2025-03-13 22:23:15,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 302 transitions, 634 flow [2025-03-13 22:23:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2025-03-13 22:23:15,601 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2025-03-13 22:23:15,601 INFO L175 Difference]: Start difference. First operand has 304 places, 303 transitions, 614 flow. Second operand 3 states and 960 transitions. [2025-03-13 22:23:15,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 302 transitions, 634 flow [2025-03-13 22:23:15,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 302 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:15,605 INFO L231 Difference]: Finished difference. Result has 303 places, 302 transitions, 612 flow [2025-03-13 22:23:15,606 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=303, PETRI_TRANSITIONS=302} [2025-03-13 22:23:15,607 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2025-03-13 22:23:15,607 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 302 transitions, 612 flow [2025-03-13 22:23:15,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,609 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:15,609 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 22:23:15,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:23:15,610 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:15,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:15,611 INFO L85 PathProgramCache]: Analyzing trace with hash 341244655, now seen corresponding path program 1 times [2025-03-13 22:23:15,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:15,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442233389] [2025-03-13 22:23:15,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:15,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:15,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-13 22:23:15,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-13 22:23:15,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:15,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:15,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:15,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442233389] [2025-03-13 22:23:15,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442233389] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:15,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:15,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:15,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938108761] [2025-03-13 22:23:15,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:15,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:15,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:15,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:15,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:15,707 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 341 [2025-03-13 22:23:15,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 302 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:15,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 341 [2025-03-13 22:23:15,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:15,764 INFO L124 PetriNetUnfolderBase]: 9/483 cut-off events. [2025-03-13 22:23:15,764 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-03-13 22:23:15,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 483 events. 9/483 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 797 event pairs, 3 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 444. Up to 16 conditions per place. [2025-03-13 22:23:15,769 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 9 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2025-03-13 22:23:15,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 301 transitions, 632 flow [2025-03-13 22:23:15,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:15,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2025-03-13 22:23:15,772 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2025-03-13 22:23:15,772 INFO L175 Difference]: Start difference. First operand has 303 places, 302 transitions, 612 flow. Second operand 3 states and 960 transitions. [2025-03-13 22:23:15,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 301 transitions, 632 flow [2025-03-13 22:23:15,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 301 transitions, 628 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:15,777 INFO L231 Difference]: Finished difference. Result has 302 places, 301 transitions, 610 flow [2025-03-13 22:23:15,777 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=302, PETRI_TRANSITIONS=301} [2025-03-13 22:23:15,778 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -10 predicate places. [2025-03-13 22:23:15,778 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 301 transitions, 610 flow [2025-03-13 22:23:15,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,780 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:15,780 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] [2025-03-13 22:23:15,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:23:15,780 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:15,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:15,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1515262926, now seen corresponding path program 1 times [2025-03-13 22:23:15,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:15,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066930781] [2025-03-13 22:23:15,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:15,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:15,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-13 22:23:15,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-13 22:23:15,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:15,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:15,821 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 22:23:15,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:15,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066930781] [2025-03-13 22:23:15,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066930781] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:15,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:15,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:15,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769941298] [2025-03-13 22:23:15,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:15,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:15,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:15,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:15,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:15,835 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2025-03-13 22:23:15,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 301 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:15,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2025-03-13 22:23:15,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:15,884 INFO L124 PetriNetUnfolderBase]: 17/649 cut-off events. [2025-03-13 22:23:15,884 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 22:23:15,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 649 events. 17/649 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1976 event pairs, 4 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 611. Up to 22 conditions per place. [2025-03-13 22:23:15,888 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2025-03-13 22:23:15,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 302 transitions, 637 flow [2025-03-13 22:23:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2025-03-13 22:23:15,890 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2025-03-13 22:23:15,890 INFO L175 Difference]: Start difference. First operand has 302 places, 301 transitions, 610 flow. Second operand 3 states and 968 transitions. [2025-03-13 22:23:15,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 302 transitions, 637 flow [2025-03-13 22:23:15,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 302 transitions, 633 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:15,895 INFO L231 Difference]: Finished difference. Result has 301 places, 301 transitions, 616 flow [2025-03-13 22:23:15,895 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=301, PETRI_TRANSITIONS=301} [2025-03-13 22:23:15,897 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -11 predicate places. [2025-03-13 22:23:15,897 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 301 transitions, 616 flow [2025-03-13 22:23:15,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,898 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:15,898 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] [2025-03-13 22:23:15,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:23:15,898 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:15,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:15,900 INFO L85 PathProgramCache]: Analyzing trace with hash 173779567, now seen corresponding path program 1 times [2025-03-13 22:23:15,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:15,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147052110] [2025-03-13 22:23:15,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:15,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:15,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-13 22:23:15,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-13 22:23:15,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:15,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:15,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:15,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147052110] [2025-03-13 22:23:15,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147052110] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:15,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:15,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:15,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122639732] [2025-03-13 22:23:15,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:15,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:15,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:15,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:15,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:15,946 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2025-03-13 22:23:15,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 301 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:15,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:15,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2025-03-13 22:23:15,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:16,008 INFO L124 PetriNetUnfolderBase]: 19/725 cut-off events. [2025-03-13 22:23:16,008 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 22:23:16,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 725 events. 19/725 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2510 event pairs, 5 based on Foata normal form. 0/632 useless extension candidates. Maximal degree in co-relation 625. Up to 24 conditions per place. [2025-03-13 22:23:16,012 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2025-03-13 22:23:16,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 302 transitions, 643 flow [2025-03-13 22:23:16,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2025-03-13 22:23:16,014 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2025-03-13 22:23:16,014 INFO L175 Difference]: Start difference. First operand has 301 places, 301 transitions, 616 flow. Second operand 3 states and 968 transitions. [2025-03-13 22:23:16,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 302 transitions, 643 flow [2025-03-13 22:23:16,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 302 transitions, 643 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:16,017 INFO L231 Difference]: Finished difference. Result has 302 places, 301 transitions, 626 flow [2025-03-13 22:23:16,018 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=302, PETRI_TRANSITIONS=301} [2025-03-13 22:23:16,018 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -10 predicate places. [2025-03-13 22:23:16,018 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 301 transitions, 626 flow [2025-03-13 22:23:16,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,019 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:16,019 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] [2025-03-13 22:23:16,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:23:16,019 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:16,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:16,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1653823405, now seen corresponding path program 1 times [2025-03-13 22:23:16,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:16,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084458753] [2025-03-13 22:23:16,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:16,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:16,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-13 22:23:16,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-13 22:23:16,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:16,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:16,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:16,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:16,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084458753] [2025-03-13 22:23:16,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084458753] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:16,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:16,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:16,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864459311] [2025-03-13 22:23:16,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:16,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:16,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:16,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:16,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:16,057 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2025-03-13 22:23:16,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 301 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:16,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2025-03-13 22:23:16,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:16,106 INFO L124 PetriNetUnfolderBase]: 20/667 cut-off events. [2025-03-13 22:23:16,106 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2025-03-13 22:23:16,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 667 events. 20/667 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2613 event pairs, 3 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 574. Up to 22 conditions per place. [2025-03-13 22:23:16,109 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2025-03-13 22:23:16,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 302 transitions, 653 flow [2025-03-13 22:23:16,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:16,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2025-03-13 22:23:16,111 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2025-03-13 22:23:16,111 INFO L175 Difference]: Start difference. First operand has 302 places, 301 transitions, 626 flow. Second operand 3 states and 968 transitions. [2025-03-13 22:23:16,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 302 transitions, 653 flow [2025-03-13 22:23:16,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 302 transitions, 653 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:16,114 INFO L231 Difference]: Finished difference. Result has 303 places, 301 transitions, 636 flow [2025-03-13 22:23:16,115 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=303, PETRI_TRANSITIONS=301} [2025-03-13 22:23:16,115 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2025-03-13 22:23:16,115 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 301 transitions, 636 flow [2025-03-13 22:23:16,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,116 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:16,116 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] [2025-03-13 22:23:16,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-13 22:23:16,116 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:16,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:16,116 INFO L85 PathProgramCache]: Analyzing trace with hash 186416718, now seen corresponding path program 1 times [2025-03-13 22:23:16,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:16,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657719647] [2025-03-13 22:23:16,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:16,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:16,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-13 22:23:16,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-13 22:23:16,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:16,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:16,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:16,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657719647] [2025-03-13 22:23:16,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657719647] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:16,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:16,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:16,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166486993] [2025-03-13 22:23:16,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:16,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:16,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:16,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:16,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:16,179 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2025-03-13 22:23:16,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 301 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,181 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:16,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2025-03-13 22:23:16,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:16,259 INFO L124 PetriNetUnfolderBase]: 22/710 cut-off events. [2025-03-13 22:23:16,259 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2025-03-13 22:23:16,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 710 events. 22/710 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2987 event pairs, 3 based on Foata normal form. 0/623 useless extension candidates. Maximal degree in co-relation 626. Up to 25 conditions per place. [2025-03-13 22:23:16,263 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2025-03-13 22:23:16,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 302 transitions, 663 flow [2025-03-13 22:23:16,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2025-03-13 22:23:16,265 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2025-03-13 22:23:16,266 INFO L175 Difference]: Start difference. First operand has 303 places, 301 transitions, 636 flow. Second operand 3 states and 968 transitions. [2025-03-13 22:23:16,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 302 transitions, 663 flow [2025-03-13 22:23:16,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 302 transitions, 663 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:16,270 INFO L231 Difference]: Finished difference. Result has 304 places, 301 transitions, 646 flow [2025-03-13 22:23:16,270 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=304, PETRI_TRANSITIONS=301} [2025-03-13 22:23:16,271 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -8 predicate places. [2025-03-13 22:23:16,271 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 301 transitions, 646 flow [2025-03-13 22:23:16,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,272 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:16,272 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:16,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-13 22:23:16,272 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:16,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:16,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1729735506, now seen corresponding path program 1 times [2025-03-13 22:23:16,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:16,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486682289] [2025-03-13 22:23:16,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:16,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:16,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-13 22:23:16,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-13 22:23:16,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:16,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:16,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:16,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:16,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486682289] [2025-03-13 22:23:16,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486682289] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:16,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:16,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:16,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345977765] [2025-03-13 22:23:16,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:16,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:16,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:16,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:16,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:16,353 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 341 [2025-03-13 22:23:16,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 301 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:16,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 341 [2025-03-13 22:23:16,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:16,418 INFO L124 PetriNetUnfolderBase]: 43/669 cut-off events. [2025-03-13 22:23:16,418 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-03-13 22:23:16,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 669 events. 43/669 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2600 event pairs, 16 based on Foata normal form. 0/593 useless extension candidates. Maximal degree in co-relation 642. Up to 76 conditions per place. [2025-03-13 22:23:16,423 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2025-03-13 22:23:16,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 300 transitions, 677 flow [2025-03-13 22:23:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2025-03-13 22:23:16,426 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9345063538611925 [2025-03-13 22:23:16,426 INFO L175 Difference]: Start difference. First operand has 304 places, 301 transitions, 646 flow. Second operand 3 states and 956 transitions. [2025-03-13 22:23:16,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 300 transitions, 677 flow [2025-03-13 22:23:16,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 300 transitions, 677 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:16,431 INFO L231 Difference]: Finished difference. Result has 303 places, 299 transitions, 652 flow [2025-03-13 22:23:16,431 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=303, PETRI_TRANSITIONS=299} [2025-03-13 22:23:16,432 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2025-03-13 22:23:16,432 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 299 transitions, 652 flow [2025-03-13 22:23:16,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,432 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:16,432 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:16,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-13 22:23:16,433 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:16,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:16,433 INFO L85 PathProgramCache]: Analyzing trace with hash -123454513, now seen corresponding path program 1 times [2025-03-13 22:23:16,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:16,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80104927] [2025-03-13 22:23:16,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:16,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:16,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-13 22:23:16,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-13 22:23:16,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:16,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:16,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:16,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80104927] [2025-03-13 22:23:16,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80104927] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:16,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:16,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:16,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883438256] [2025-03-13 22:23:16,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:16,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:16,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:16,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:16,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:16,493 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 341 [2025-03-13 22:23:16,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 299 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:16,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 341 [2025-03-13 22:23:16,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:16,567 INFO L124 PetriNetUnfolderBase]: 47/692 cut-off events. [2025-03-13 22:23:16,567 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-03-13 22:23:16,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 692 events. 47/692 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2685 event pairs, 16 based on Foata normal form. 0/633 useless extension candidates. Maximal degree in co-relation 688. Up to 81 conditions per place. [2025-03-13 22:23:16,571 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2025-03-13 22:23:16,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 298 transitions, 683 flow [2025-03-13 22:23:16,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:16,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:16,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2025-03-13 22:23:16,575 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9345063538611925 [2025-03-13 22:23:16,575 INFO L175 Difference]: Start difference. First operand has 303 places, 299 transitions, 652 flow. Second operand 3 states and 956 transitions. [2025-03-13 22:23:16,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 298 transitions, 683 flow [2025-03-13 22:23:16,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 298 transitions, 683 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:16,580 INFO L231 Difference]: Finished difference. Result has 302 places, 297 transitions, 658 flow [2025-03-13 22:23:16,581 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=302, PETRI_TRANSITIONS=297} [2025-03-13 22:23:16,581 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -10 predicate places. [2025-03-13 22:23:16,581 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 297 transitions, 658 flow [2025-03-13 22:23:16,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,582 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:16,582 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:16,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-13 22:23:16,582 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:16,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:16,583 INFO L85 PathProgramCache]: Analyzing trace with hash -951791241, now seen corresponding path program 1 times [2025-03-13 22:23:16,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:16,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175217193] [2025-03-13 22:23:16,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:16,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:16,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-13 22:23:16,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-13 22:23:16,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:16,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:16,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:16,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175217193] [2025-03-13 22:23:16,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175217193] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:16,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:16,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:16,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415880521] [2025-03-13 22:23:16,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:16,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:16,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:16,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:16,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:16,659 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 341 [2025-03-13 22:23:16,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 297 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:16,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 341 [2025-03-13 22:23:16,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:16,708 INFO L124 PetriNetUnfolderBase]: 21/545 cut-off events. [2025-03-13 22:23:16,709 INFO L125 PetriNetUnfolderBase]: For 4/9 co-relation queries the response was YES. [2025-03-13 22:23:16,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 545 events. 21/545 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1772 event pairs, 2 based on Foata normal form. 1/509 useless extension candidates. Maximal degree in co-relation 501. Up to 20 conditions per place. [2025-03-13 22:23:16,712 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2025-03-13 22:23:16,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 297 transitions, 683 flow [2025-03-13 22:23:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:16,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:16,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2025-03-13 22:23:16,714 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9423264907135875 [2025-03-13 22:23:16,714 INFO L175 Difference]: Start difference. First operand has 302 places, 297 transitions, 658 flow. Second operand 3 states and 964 transitions. [2025-03-13 22:23:16,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 297 transitions, 683 flow [2025-03-13 22:23:16,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 297 transitions, 683 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:23:16,717 INFO L231 Difference]: Finished difference. Result has 303 places, 296 transitions, 660 flow [2025-03-13 22:23:16,718 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=660, PETRI_PLACES=303, PETRI_TRANSITIONS=296} [2025-03-13 22:23:16,718 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2025-03-13 22:23:16,718 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 296 transitions, 660 flow [2025-03-13 22:23:16,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,719 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:16,719 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:16,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-13 22:23:16,719 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:16,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:16,720 INFO L85 PathProgramCache]: Analyzing trace with hash -845605546, now seen corresponding path program 1 times [2025-03-13 22:23:16,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:16,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357729193] [2025-03-13 22:23:16,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:16,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:16,726 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-13 22:23:16,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-13 22:23:16,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:16,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:16,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:16,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357729193] [2025-03-13 22:23:16,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357729193] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:16,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:16,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:16,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670970983] [2025-03-13 22:23:16,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:16,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:16,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:16,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:16,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:16,776 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 341 [2025-03-13 22:23:16,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 296 transitions, 660 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:16,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 341 [2025-03-13 22:23:16,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:16,838 INFO L124 PetriNetUnfolderBase]: 20/536 cut-off events. [2025-03-13 22:23:16,838 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-03-13 22:23:16,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 536 events. 20/536 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1656 event pairs, 2 based on Foata normal form. 0/504 useless extension candidates. Maximal degree in co-relation 543. Up to 24 conditions per place. [2025-03-13 22:23:16,841 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2025-03-13 22:23:16,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 296 transitions, 685 flow [2025-03-13 22:23:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2025-03-13 22:23:16,843 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9423264907135875 [2025-03-13 22:23:16,844 INFO L175 Difference]: Start difference. First operand has 303 places, 296 transitions, 660 flow. Second operand 3 states and 964 transitions. [2025-03-13 22:23:16,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 296 transitions, 685 flow [2025-03-13 22:23:16,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 296 transitions, 681 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:16,847 INFO L231 Difference]: Finished difference. Result has 302 places, 295 transitions, 658 flow [2025-03-13 22:23:16,848 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=302, PETRI_TRANSITIONS=295} [2025-03-13 22:23:16,848 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -10 predicate places. [2025-03-13 22:23:16,848 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 295 transitions, 658 flow [2025-03-13 22:23:16,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,849 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:16,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:16,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-13 22:23:16,849 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:16,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:16,850 INFO L85 PathProgramCache]: Analyzing trace with hash -272778956, now seen corresponding path program 1 times [2025-03-13 22:23:16,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:16,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436785200] [2025-03-13 22:23:16,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:16,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:16,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 224 statements into 1 equivalence classes. [2025-03-13 22:23:16,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 224 of 224 statements. [2025-03-13 22:23:16,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:16,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:16,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:16,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436785200] [2025-03-13 22:23:16,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436785200] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:16,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:16,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 22:23:16,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342454676] [2025-03-13 22:23:16,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:16,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:16,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:16,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:16,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:16,970 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2025-03-13 22:23:16,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 295 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:16,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:16,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2025-03-13 22:23:16,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:17,032 INFO L124 PetriNetUnfolderBase]: 20/639 cut-off events. [2025-03-13 22:23:17,032 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-03-13 22:23:17,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 639 events. 20/639 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2204 event pairs, 3 based on Foata normal form. 1/602 useless extension candidates. Maximal degree in co-relation 620. Up to 25 conditions per place. [2025-03-13 22:23:17,035 INFO L140 encePairwiseOnDemand]: 339/341 looper letters, 13 selfloop transitions, 1 changer transitions 2/298 dead transitions. [2025-03-13 22:23:17,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 298 transitions, 695 flow [2025-03-13 22:23:17,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2025-03-13 22:23:17,037 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9472140762463344 [2025-03-13 22:23:17,038 INFO L175 Difference]: Start difference. First operand has 302 places, 295 transitions, 658 flow. Second operand 3 states and 969 transitions. [2025-03-13 22:23:17,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 298 transitions, 695 flow [2025-03-13 22:23:17,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 298 transitions, 691 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:23:17,042 INFO L231 Difference]: Finished difference. Result has 303 places, 293 transitions, 655 flow [2025-03-13 22:23:17,043 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=303, PETRI_TRANSITIONS=293} [2025-03-13 22:23:17,044 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2025-03-13 22:23:17,044 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 293 transitions, 655 flow [2025-03-13 22:23:17,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:17,045 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:17,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:17,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-13 22:23:17,045 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:17,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:17,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1213373924, now seen corresponding path program 2 times [2025-03-13 22:23:17,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:17,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591505111] [2025-03-13 22:23:17,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-13 22:23:17,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:17,060 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 224 statements into 1 equivalence classes. [2025-03-13 22:23:17,069 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 224 of 224 statements. [2025-03-13 22:23:17,069 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-13 22:23:17,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:17,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:17,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591505111] [2025-03-13 22:23:17,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591505111] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:17,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:17,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 22:23:17,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716220248] [2025-03-13 22:23:17,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:17,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:17,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:17,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:17,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:17,162 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2025-03-13 22:23:17,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 293 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:17,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:17,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2025-03-13 22:23:17,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:17,224 INFO L124 PetriNetUnfolderBase]: 18/719 cut-off events. [2025-03-13 22:23:17,225 INFO L125 PetriNetUnfolderBase]: For 33/37 co-relation queries the response was YES. [2025-03-13 22:23:17,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 719 events. 18/719 cut-off events. For 33/37 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2677 event pairs, 4 based on Foata normal form. 1/680 useless extension candidates. Maximal degree in co-relation 715. Up to 31 conditions per place. [2025-03-13 22:23:17,227 INFO L140 encePairwiseOnDemand]: 339/341 looper letters, 12 selfloop transitions, 1 changer transitions 2/295 dead transitions. [2025-03-13 22:23:17,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 295 transitions, 687 flow [2025-03-13 22:23:17,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:17,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:17,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2025-03-13 22:23:17,229 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2025-03-13 22:23:17,229 INFO L175 Difference]: Start difference. First operand has 303 places, 293 transitions, 655 flow. Second operand 3 states and 968 transitions. [2025-03-13 22:23:17,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 295 transitions, 687 flow [2025-03-13 22:23:17,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 295 transitions, 686 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:23:17,233 INFO L231 Difference]: Finished difference. Result has 303 places, 291 transitions, 655 flow [2025-03-13 22:23:17,233 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=303, PETRI_TRANSITIONS=291} [2025-03-13 22:23:17,233 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2025-03-13 22:23:17,233 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 291 transitions, 655 flow [2025-03-13 22:23:17,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:17,234 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:17,234 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:17,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-13 22:23:17,234 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:17,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:17,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1050298505, now seen corresponding path program 1 times [2025-03-13 22:23:17,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:17,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473478865] [2025-03-13 22:23:17,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:17,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:17,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes. [2025-03-13 22:23:17,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 228 of 228 statements. [2025-03-13 22:23:17,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:17,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:17,304 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 22:23:17,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:17,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473478865] [2025-03-13 22:23:17,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473478865] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:17,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:17,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:17,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830634532] [2025-03-13 22:23:17,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:17,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:17,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:17,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:17,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:17,316 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 341 [2025-03-13 22:23:17,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 291 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:17,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:17,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 341 [2025-03-13 22:23:17,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:17,383 INFO L124 PetriNetUnfolderBase]: 16/675 cut-off events. [2025-03-13 22:23:17,383 INFO L125 PetriNetUnfolderBase]: For 29/40 co-relation queries the response was YES. [2025-03-13 22:23:17,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 804 conditions, 675 events. 16/675 cut-off events. For 29/40 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2446 event pairs, 2 based on Foata normal form. 0/648 useless extension candidates. Maximal degree in co-relation 687. Up to 22 conditions per place. [2025-03-13 22:23:17,386 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 1 changer transitions 0/288 dead transitions. [2025-03-13 22:23:17,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 288 transitions, 671 flow [2025-03-13 22:23:17,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:17,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:17,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2025-03-13 22:23:17,389 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9374389051808406 [2025-03-13 22:23:17,389 INFO L175 Difference]: Start difference. First operand has 303 places, 291 transitions, 655 flow. Second operand 3 states and 959 transitions. [2025-03-13 22:23:17,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 288 transitions, 671 flow [2025-03-13 22:23:17,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 288 transitions, 670 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:23:17,393 INFO L231 Difference]: Finished difference. Result has 299 places, 288 transitions, 650 flow [2025-03-13 22:23:17,393 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=299, PETRI_TRANSITIONS=288} [2025-03-13 22:23:17,393 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -13 predicate places. [2025-03-13 22:23:17,394 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 288 transitions, 650 flow [2025-03-13 22:23:17,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:17,394 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:17,394 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:17,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-13 22:23:17,395 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2025-03-13 22:23:17,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:17,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1492978116, now seen corresponding path program 1 times [2025-03-13 22:23:17,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:17,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121582813] [2025-03-13 22:23:17,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:17,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:17,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 232 statements into 1 equivalence classes. [2025-03-13 22:23:17,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 232 of 232 statements. [2025-03-13 22:23:17,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:17,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:17,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:17,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:17,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121582813] [2025-03-13 22:23:17,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121582813] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:17,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:17,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:23:17,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528421290] [2025-03-13 22:23:17,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:17,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:23:17,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:17,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:23:17,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:23:17,483 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 341 [2025-03-13 22:23:17,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 288 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:17,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:17,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 341 [2025-03-13 22:23:17,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:17,540 INFO L124 PetriNetUnfolderBase]: 18/740 cut-off events. [2025-03-13 22:23:17,540 INFO L125 PetriNetUnfolderBase]: For 18/21 co-relation queries the response was YES. [2025-03-13 22:23:17,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 877 conditions, 740 events. 18/740 cut-off events. For 18/21 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2854 event pairs, 3 based on Foata normal form. 3/718 useless extension candidates. Maximal degree in co-relation 718. Up to 28 conditions per place. [2025-03-13 22:23:17,542 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 0 selfloop transitions, 0 changer transitions 287/287 dead transitions. [2025-03-13 22:23:17,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 287 transitions, 672 flow [2025-03-13 22:23:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:23:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:23:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2025-03-13 22:23:17,544 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2025-03-13 22:23:17,544 INFO L175 Difference]: Start difference. First operand has 299 places, 288 transitions, 650 flow. Second operand 3 states and 960 transitions. [2025-03-13 22:23:17,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 287 transitions, 672 flow [2025-03-13 22:23:17,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 287 transitions, 671 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:23:17,547 INFO L231 Difference]: Finished difference. Result has 297 places, 0 transitions, 0 flow [2025-03-13 22:23:17,548 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=297, PETRI_TRANSITIONS=0} [2025-03-13 22:23:17,548 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -15 predicate places. [2025-03-13 22:23:17,548 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 0 transitions, 0 flow [2025-03-13 22:23:17,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:23:17,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining) [2025-03-13 22:23:17,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2025-03-13 22:23:17,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2025-03-13 22:23:17,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2025-03-13 22:23:17,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2025-03-13 22:23:17,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2025-03-13 22:23:17,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2025-03-13 22:23:17,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2025-03-13 22:23:17,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2025-03-13 22:23:17,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2025-03-13 22:23:17,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2025-03-13 22:23:17,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2025-03-13 22:23:17,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2025-03-13 22:23:17,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2025-03-13 22:23:17,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2025-03-13 22:23:17,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2025-03-13 22:23:17,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2025-03-13 22:23:17,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2025-03-13 22:23:17,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2025-03-13 22:23:17,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2025-03-13 22:23:17,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2025-03-13 22:23:17,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2025-03-13 22:23:17,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2025-03-13 22:23:17,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2025-03-13 22:23:17,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-13 22:23:17,555 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:23:17,561 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:23:17,561 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:23:17,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:23:17 BasicIcfg [2025-03-13 22:23:17,566 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:23:17,567 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:23:17,567 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:23:17,567 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:23:17,568 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:23:14" (3/4) ... [2025-03-13 22:23:17,569 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 22:23:17,571 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-13 22:23:17,571 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-13 22:23:17,575 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-13 22:23:17,576 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-13 22:23:17,576 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 22:23:17,576 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 22:23:17,643 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:23:17,644 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:23:17,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:23:17,645 INFO L158 Benchmark]: Toolchain (without parser) took 3986.90ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 133.7MB in the beginning and 110.9MB in the end (delta: 22.8MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2025-03-13 22:23:17,645 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:23:17,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.67ms. Allocated memory is still 167.8MB. Free memory was 133.7MB in the beginning and 121.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:23:17,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.63ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 119.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:23:17,648 INFO L158 Benchmark]: Boogie Preprocessor took 18.46ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 118.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:23:17,648 INFO L158 Benchmark]: IcfgBuilder took 486.26ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 94.6MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-13 22:23:17,649 INFO L158 Benchmark]: TraceAbstraction took 3189.86ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 94.0MB in the beginning and 115.5MB in the end (delta: -21.5MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2025-03-13 22:23:17,649 INFO L158 Benchmark]: Witness Printer took 76.56ms. Allocated memory is still 209.7MB. Free memory was 115.5MB in the beginning and 110.9MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:23:17,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.67ms. Allocated memory is still 167.8MB. Free memory was 133.7MB in the beginning and 121.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.63ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 119.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.46ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 118.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 486.26ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 94.6MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3189.86ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 94.0MB in the beginning and 115.5MB in the end (delta: -21.5MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Witness Printer took 76.56ms. Allocated memory is still 209.7MB. Free memory was 115.5MB in the beginning and 110.9MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 508 locations, 50 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: 3.0s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 371 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 437 IncrementalHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 125 mSDtfsCounter, 437 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=660occurred in iteration=13, InterpolantAutomatonStates: 54, 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 2020 NumberOfCodeBlocks, 2020 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2002 ConstructedInterpolants, 0 QuantifiedInterpolants, 2358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 22:23:17,662 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