./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 735b3cc8 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/parallel-misc-3-extended.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 8cea87724a542982ff884c708bfc22195aa1904db80300e5b965108c3d86cb2f --- Real Ultimate output --- This is Ultimate 0.3.0-?-735b3cc-m [2025-03-14 01:44:28,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 01:44:28,467 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-14 01:44:28,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-14 01:44:28,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-14 01:44:28,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 01:44:28,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-14 01:44:28,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-14 01:44:28,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 01:44:28,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 01:44:28,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 01:44:28,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 01:44:28,490 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 01:44:28,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 01:44:28,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 01:44:28,490 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 01:44:28,491 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 01:44:28,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:44:28,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 01:44:28,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 01:44:28,492 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-14 01:44:28,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-14 01:44:28,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 01:44:28,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 01:44:28,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 01:44:28,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 01:44:28,492 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-14 01:44:28,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-14 01:44:28,492 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 -> 8cea87724a542982ff884c708bfc22195aa1904db80300e5b965108c3d86cb2f [2025-03-14 01:44:28,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 01:44:28,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 01:44:28,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 01:44:28,741 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 01:44:28,742 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 01:44:28,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2025-03-14 01:44:29,879 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656afb0ad/4e6884a9735543e39c7c7723248f00a7/FLAG04f405919 [2025-03-14 01:44:30,135 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 01:44:30,138 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2025-03-14 01:44:30,143 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656afb0ad/4e6884a9735543e39c7c7723248f00a7/FLAG04f405919 [2025-03-14 01:44:30,463 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656afb0ad/4e6884a9735543e39c7c7723248f00a7 [2025-03-14 01:44:30,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 01:44:30,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-14 01:44:30,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 01:44:30,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 01:44:30,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 01:44:30,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5895e379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30, skipping insertion in model container [2025-03-14 01:44:30,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 01:44:30,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:44:30,624 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 01:44:30,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:44:30,655 INFO L204 MainTranslator]: Completed translation [2025-03-14 01:44:30,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30 WrapperNode [2025-03-14 01:44:30,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 01:44:30,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 01:44:30,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 01:44:30,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 01:44:30,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,689 INFO L138 Inliner]: procedures = 19, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2025-03-14 01:44:30,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 01:44:30,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 01:44:30,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 01:44:30,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 01:44:30,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,713 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 01:44:30,717 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-14 01:44:30,717 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-14 01:44:30,717 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-14 01:44:30,718 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30" (1/1) ... [2025-03-14 01:44:30,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:44:30,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:44:30,751 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) [2025-03-14 01:44:30,754 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 [2025-03-14 01:44:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 01:44:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-14 01:44:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-14 01:44:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-14 01:44:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-14 01:44:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-14 01:44:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-14 01:44:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 01:44:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 01:44:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 01:44:30,772 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 01:44:30,843 INFO L256 CfgBuilder]: Building ICFG [2025-03-14 01:44:30,845 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 01:44:31,095 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 01:44:31,095 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 01:44:31,095 INFO L318 CfgBuilder]: Performing block encoding [2025-03-14 01:44:31,118 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 01:44:31,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:44:31 BoogieIcfgContainer [2025-03-14 01:44:31,119 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-14 01:44:31,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 01:44:31,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 01:44:31,124 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 01:44:31,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:44:30" (1/3) ... [2025-03-14 01:44:31,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3c7951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:44:31, skipping insertion in model container [2025-03-14 01:44:31,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:30" (2/3) ... [2025-03-14 01:44:31,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3c7951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:44:31, skipping insertion in model container [2025-03-14 01:44:31,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:44:31" (3/3) ... [2025-03-14 01:44:31,126 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-3-extended.wvr.c [2025-03-14 01:44:31,137 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 01:44:31,138 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-3-extended.wvr.c that has 4 procedures, 207 locations, 1 initial locations, 3 loop locations, and 24 error locations. [2025-03-14 01:44:31,139 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 01:44:31,220 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-14 01:44:31,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 222 transitions, 465 flow [2025-03-14 01:44:31,315 INFO L124 PetriNetUnfolderBase]: 16/219 cut-off events. [2025-03-14 01:44:31,317 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-14 01:44:31,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 219 events. 16/219 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 478 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 159. Up to 4 conditions per place. [2025-03-14 01:44:31,323 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 222 transitions, 465 flow [2025-03-14 01:44:31,327 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 197 places, 202 transitions, 419 flow [2025-03-14 01:44:31,335 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 01:44:31,345 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;@61a88919, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 01:44:31,345 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2025-03-14 01:44:31,351 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 01:44:31,351 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-14 01:44:31,351 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 01:44:31,351 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:31,352 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:31,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:31,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:31,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1084991765, now seen corresponding path program 1 times [2025-03-14 01:44:31,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:31,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427976980] [2025-03-14 01:44:31,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:31,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:31,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-14 01:44:31,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-14 01:44:31,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:31,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:31,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:31,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427976980] [2025-03-14 01:44:31,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427976980] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:31,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:31,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:31,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084750096] [2025-03-14 01:44:31,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:31,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:31,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:31,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:31,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:31,554 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 222 [2025-03-14 01:44:31,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 202 transitions, 419 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:31,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:31,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 222 [2025-03-14 01:44:31,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:31,729 INFO L124 PetriNetUnfolderBase]: 148/774 cut-off events. [2025-03-14 01:44:31,729 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2025-03-14 01:44:31,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 998 conditions, 774 events. 148/774 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4280 event pairs, 55 based on Foata normal form. 53/675 useless extension candidates. Maximal degree in co-relation 878. Up to 164 conditions per place. [2025-03-14 01:44:31,744 INFO L140 encePairwiseOnDemand]: 216/222 looper letters, 18 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2025-03-14 01:44:31,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 198 transitions, 451 flow [2025-03-14 01:44:31,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:31,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:31,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 606 transitions. [2025-03-14 01:44:31,759 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9099099099099099 [2025-03-14 01:44:31,761 INFO L175 Difference]: Start difference. First operand has 197 places, 202 transitions, 419 flow. Second operand 3 states and 606 transitions. [2025-03-14 01:44:31,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 198 transitions, 451 flow [2025-03-14 01:44:31,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 198 transitions, 442 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:44:31,768 INFO L231 Difference]: Finished difference. Result has 193 places, 198 transitions, 406 flow [2025-03-14 01:44:31,770 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=193, PETRI_TRANSITIONS=198} [2025-03-14 01:44:31,773 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -4 predicate places. [2025-03-14 01:44:31,773 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 198 transitions, 406 flow [2025-03-14 01:44:31,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:31,773 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:31,773 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] [2025-03-14 01:44:31,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 01:44:31,774 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:31,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:31,774 INFO L85 PathProgramCache]: Analyzing trace with hash 249538427, now seen corresponding path program 1 times [2025-03-14 01:44:31,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:31,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583130556] [2025-03-14 01:44:31,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:31,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:31,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-14 01:44:31,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-14 01:44:31,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:31,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:31,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:31,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583130556] [2025-03-14 01:44:31,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583130556] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:31,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:31,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:31,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976526637] [2025-03-14 01:44:31,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:31,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:31,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:31,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:31,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:31,839 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 222 [2025-03-14 01:44:31,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 198 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:31,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:31,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 222 [2025-03-14 01:44:31,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:31,953 INFO L124 PetriNetUnfolderBase]: 167/812 cut-off events. [2025-03-14 01:44:31,953 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-03-14 01:44:31,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1062 conditions, 812 events. 167/812 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4955 event pairs, 83 based on Foata normal form. 0/652 useless extension candidates. Maximal degree in co-relation 1033. Up to 204 conditions per place. [2025-03-14 01:44:31,961 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 18 selfloop transitions, 2 changer transitions 0/197 dead transitions. [2025-03-14 01:44:31,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 197 transitions, 444 flow [2025-03-14 01:44:31,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:31,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:31,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 603 transitions. [2025-03-14 01:44:31,963 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9054054054054054 [2025-03-14 01:44:31,964 INFO L175 Difference]: Start difference. First operand has 193 places, 198 transitions, 406 flow. Second operand 3 states and 603 transitions. [2025-03-14 01:44:31,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 197 transitions, 444 flow [2025-03-14 01:44:31,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 197 transitions, 440 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:31,967 INFO L231 Difference]: Finished difference. Result has 192 places, 197 transitions, 404 flow [2025-03-14 01:44:31,968 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=192, PETRI_TRANSITIONS=197} [2025-03-14 01:44:31,968 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -5 predicate places. [2025-03-14 01:44:31,968 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 197 transitions, 404 flow [2025-03-14 01:44:31,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:31,969 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:31,969 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] [2025-03-14 01:44:31,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 01:44:31,969 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:31,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:31,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1117347774, now seen corresponding path program 1 times [2025-03-14 01:44:31,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:31,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177752165] [2025-03-14 01:44:31,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:31,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:31,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-14 01:44:31,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-14 01:44:31,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:31,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:32,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:32,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177752165] [2025-03-14 01:44:32,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177752165] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:32,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:32,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:32,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61918545] [2025-03-14 01:44:32,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:32,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:32,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:32,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:32,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:32,036 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 222 [2025-03-14 01:44:32,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 197 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:32,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:32,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 222 [2025-03-14 01:44:32,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:32,118 INFO L124 PetriNetUnfolderBase]: 141/683 cut-off events. [2025-03-14 01:44:32,118 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-14 01:44:32,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 878 conditions, 683 events. 141/683 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3746 event pairs, 67 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 844. Up to 173 conditions per place. [2025-03-14 01:44:32,125 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 18 selfloop transitions, 2 changer transitions 0/196 dead transitions. [2025-03-14 01:44:32,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 196 transitions, 442 flow [2025-03-14 01:44:32,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:32,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:32,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 603 transitions. [2025-03-14 01:44:32,127 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9054054054054054 [2025-03-14 01:44:32,127 INFO L175 Difference]: Start difference. First operand has 192 places, 197 transitions, 404 flow. Second operand 3 states and 603 transitions. [2025-03-14 01:44:32,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 196 transitions, 442 flow [2025-03-14 01:44:32,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 196 transitions, 438 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:32,130 INFO L231 Difference]: Finished difference. Result has 191 places, 196 transitions, 402 flow [2025-03-14 01:44:32,130 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=191, PETRI_TRANSITIONS=196} [2025-03-14 01:44:32,131 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -6 predicate places. [2025-03-14 01:44:32,131 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 196 transitions, 402 flow [2025-03-14 01:44:32,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:32,132 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:32,132 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:32,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 01:44:32,132 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:32,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:32,132 INFO L85 PathProgramCache]: Analyzing trace with hash -474518848, now seen corresponding path program 1 times [2025-03-14 01:44:32,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:32,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668672315] [2025-03-14 01:44:32,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:32,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:32,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-14 01:44:32,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-14 01:44:32,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:32,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:32,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:32,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:32,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668672315] [2025-03-14 01:44:32,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668672315] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:32,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:32,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:32,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895615053] [2025-03-14 01:44:32,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:32,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:32,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:32,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:32,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:32,201 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2025-03-14 01:44:32,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 196 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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) [2025-03-14 01:44:32,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:32,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2025-03-14 01:44:32,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:32,305 INFO L124 PetriNetUnfolderBase]: 112/655 cut-off events. [2025-03-14 01:44:32,306 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-14 01:44:32,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 807 conditions, 655 events. 112/655 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3295 event pairs, 39 based on Foata normal form. 0/520 useless extension candidates. Maximal degree in co-relation 768. Up to 120 conditions per place. [2025-03-14 01:44:32,313 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 16 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2025-03-14 01:44:32,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 195 transitions, 436 flow [2025-03-14 01:44:32,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:32,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2025-03-14 01:44:32,316 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9114114114114115 [2025-03-14 01:44:32,317 INFO L175 Difference]: Start difference. First operand has 191 places, 196 transitions, 402 flow. Second operand 3 states and 607 transitions. [2025-03-14 01:44:32,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 195 transitions, 436 flow [2025-03-14 01:44:32,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 195 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:32,320 INFO L231 Difference]: Finished difference. Result has 190 places, 195 transitions, 400 flow [2025-03-14 01:44:32,320 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=190, PETRI_TRANSITIONS=195} [2025-03-14 01:44:32,321 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -7 predicate places. [2025-03-14 01:44:32,321 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 195 transitions, 400 flow [2025-03-14 01:44:32,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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) [2025-03-14 01:44:32,322 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:32,322 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] [2025-03-14 01:44:32,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 01:44:32,322 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:32,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:32,323 INFO L85 PathProgramCache]: Analyzing trace with hash 352712416, now seen corresponding path program 1 times [2025-03-14 01:44:32,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:32,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544745086] [2025-03-14 01:44:32,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:32,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:32,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-14 01:44:32,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-14 01:44:32,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:32,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:32,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:32,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:32,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544745086] [2025-03-14 01:44:32,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544745086] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:32,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:32,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:32,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788045223] [2025-03-14 01:44:32,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:32,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:32,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:32,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:32,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:32,400 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2025-03-14 01:44:32,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 195 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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) [2025-03-14 01:44:32,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:32,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2025-03-14 01:44:32,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:32,475 INFO L124 PetriNetUnfolderBase]: 125/737 cut-off events. [2025-03-14 01:44:32,475 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-14 01:44:32,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 737 events. 125/737 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4438 event pairs, 53 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 869. Up to 142 conditions per place. [2025-03-14 01:44:32,482 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 16 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2025-03-14 01:44:32,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 194 transitions, 434 flow [2025-03-14 01:44:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:32,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2025-03-14 01:44:32,484 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9114114114114115 [2025-03-14 01:44:32,484 INFO L175 Difference]: Start difference. First operand has 190 places, 195 transitions, 400 flow. Second operand 3 states and 607 transitions. [2025-03-14 01:44:32,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 194 transitions, 434 flow [2025-03-14 01:44:32,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 194 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:32,487 INFO L231 Difference]: Finished difference. Result has 189 places, 194 transitions, 398 flow [2025-03-14 01:44:32,487 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=189, PETRI_TRANSITIONS=194} [2025-03-14 01:44:32,487 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -8 predicate places. [2025-03-14 01:44:32,488 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 194 transitions, 398 flow [2025-03-14 01:44:32,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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) [2025-03-14 01:44:32,488 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:32,488 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] [2025-03-14 01:44:32,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-14 01:44:32,488 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:32,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:32,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1620095581, now seen corresponding path program 1 times [2025-03-14 01:44:32,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:32,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286261131] [2025-03-14 01:44:32,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:32,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:32,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-14 01:44:32,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-14 01:44:32,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:32,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:32,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:32,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286261131] [2025-03-14 01:44:32,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286261131] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:32,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:32,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:32,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656639465] [2025-03-14 01:44:32,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:32,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:32,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:32,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:32,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:32,546 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2025-03-14 01:44:32,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 194 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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) [2025-03-14 01:44:32,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:32,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2025-03-14 01:44:32,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:32,618 INFO L124 PetriNetUnfolderBase]: 111/656 cut-off events. [2025-03-14 01:44:32,619 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-03-14 01:44:32,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 803 conditions, 656 events. 111/656 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3660 event pairs, 45 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 754. Up to 125 conditions per place. [2025-03-14 01:44:32,624 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 16 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2025-03-14 01:44:32,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 193 transitions, 432 flow [2025-03-14 01:44:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:32,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:32,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2025-03-14 01:44:32,626 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9114114114114115 [2025-03-14 01:44:32,626 INFO L175 Difference]: Start difference. First operand has 189 places, 194 transitions, 398 flow. Second operand 3 states and 607 transitions. [2025-03-14 01:44:32,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 193 transitions, 432 flow [2025-03-14 01:44:32,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 193 transitions, 428 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:32,628 INFO L231 Difference]: Finished difference. Result has 188 places, 193 transitions, 396 flow [2025-03-14 01:44:32,629 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=188, PETRI_TRANSITIONS=193} [2025-03-14 01:44:32,629 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2025-03-14 01:44:32,629 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 193 transitions, 396 flow [2025-03-14 01:44:32,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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) [2025-03-14 01:44:32,630 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:32,630 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] [2025-03-14 01:44:32,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-14 01:44:32,630 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:32,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:32,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1268943287, now seen corresponding path program 1 times [2025-03-14 01:44:32,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:32,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315490974] [2025-03-14 01:44:32,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:32,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:32,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-14 01:44:32,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-14 01:44:32,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:32,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:32,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:32,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315490974] [2025-03-14 01:44:32,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315490974] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:32,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:32,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:32,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213054701] [2025-03-14 01:44:32,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:32,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:32,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:32,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:32,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:32,688 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 222 [2025-03-14 01:44:32,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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) [2025-03-14 01:44:32,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:32,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 222 [2025-03-14 01:44:32,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:32,777 INFO L124 PetriNetUnfolderBase]: 148/907 cut-off events. [2025-03-14 01:44:32,777 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-14 01:44:32,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1093 conditions, 907 events. 148/907 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5048 event pairs, 35 based on Foata normal form. 0/708 useless extension candidates. Maximal degree in co-relation 1039. Up to 109 conditions per place. [2025-03-14 01:44:32,785 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 20 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2025-03-14 01:44:32,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 199 transitions, 455 flow [2025-03-14 01:44:32,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:32,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 623 transitions. [2025-03-14 01:44:32,787 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354354354354354 [2025-03-14 01:44:32,787 INFO L175 Difference]: Start difference. First operand has 188 places, 193 transitions, 396 flow. Second operand 3 states and 623 transitions. [2025-03-14 01:44:32,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 199 transitions, 455 flow [2025-03-14 01:44:32,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 199 transitions, 451 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:32,790 INFO L231 Difference]: Finished difference. Result has 188 places, 193 transitions, 400 flow [2025-03-14 01:44:32,791 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=188, PETRI_TRANSITIONS=193} [2025-03-14 01:44:32,793 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2025-03-14 01:44:32,793 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 193 transitions, 400 flow [2025-03-14 01:44:32,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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) [2025-03-14 01:44:32,793 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:32,794 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] [2025-03-14 01:44:32,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-14 01:44:32,794 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:32,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:32,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1213104455, now seen corresponding path program 1 times [2025-03-14 01:44:32,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:32,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892535027] [2025-03-14 01:44:32,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:32,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:32,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-14 01:44:32,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-14 01:44:32,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:32,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:32,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:32,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:32,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892535027] [2025-03-14 01:44:32,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892535027] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:32,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:32,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:32,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841123500] [2025-03-14 01:44:32,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:32,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:32,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:32,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:32,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:32,867 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 222 [2025-03-14 01:44:32,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 193 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:32,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:32,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 222 [2025-03-14 01:44:32,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:32,940 INFO L124 PetriNetUnfolderBase]: 184/667 cut-off events. [2025-03-14 01:44:32,941 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-14 01:44:32,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 985 conditions, 667 events. 184/667 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3482 event pairs, 15 based on Foata normal form. 0/576 useless extension candidates. Maximal degree in co-relation 867. Up to 183 conditions per place. [2025-03-14 01:44:32,946 INFO L140 encePairwiseOnDemand]: 216/222 looper letters, 25 selfloop transitions, 3 changer transitions 0/199 dead transitions. [2025-03-14 01:44:32,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 199 transitions, 473 flow [2025-03-14 01:44:32,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:32,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:32,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 613 transitions. [2025-03-14 01:44:32,951 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9204204204204204 [2025-03-14 01:44:32,952 INFO L175 Difference]: Start difference. First operand has 188 places, 193 transitions, 400 flow. Second operand 3 states and 613 transitions. [2025-03-14 01:44:32,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 199 transitions, 473 flow [2025-03-14 01:44:32,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 199 transitions, 471 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:44:32,955 INFO L231 Difference]: Finished difference. Result has 187 places, 191 transitions, 405 flow [2025-03-14 01:44:32,956 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=405, PETRI_PLACES=187, PETRI_TRANSITIONS=191} [2025-03-14 01:44:32,957 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -10 predicate places. [2025-03-14 01:44:32,957 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 191 transitions, 405 flow [2025-03-14 01:44:32,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:32,958 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:32,959 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] [2025-03-14 01:44:32,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-14 01:44:32,959 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:32,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:32,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1933540453, now seen corresponding path program 1 times [2025-03-14 01:44:32,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:32,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589050083] [2025-03-14 01:44:32,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:32,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:32,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-14 01:44:32,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-14 01:44:32,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:32,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:33,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:33,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:33,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589050083] [2025-03-14 01:44:33,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589050083] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:33,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:33,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:33,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478732306] [2025-03-14 01:44:33,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:33,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:33,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:33,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:33,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:33,013 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 222 [2025-03-14 01:44:33,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 191 transitions, 405 flow. Second operand has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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) [2025-03-14 01:44:33,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:33,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 222 [2025-03-14 01:44:33,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:33,133 INFO L124 PetriNetUnfolderBase]: 221/1341 cut-off events. [2025-03-14 01:44:33,133 INFO L125 PetriNetUnfolderBase]: For 24/37 co-relation queries the response was YES. [2025-03-14 01:44:33,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1627 conditions, 1341 events. 221/1341 cut-off events. For 24/37 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 8947 event pairs, 44 based on Foata normal form. 0/1057 useless extension candidates. Maximal degree in co-relation 1190. Up to 160 conditions per place. [2025-03-14 01:44:33,142 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 20 selfloop transitions, 2 changer transitions 0/197 dead transitions. [2025-03-14 01:44:33,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 197 transitions, 464 flow [2025-03-14 01:44:33,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:33,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 623 transitions. [2025-03-14 01:44:33,144 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354354354354354 [2025-03-14 01:44:33,144 INFO L175 Difference]: Start difference. First operand has 187 places, 191 transitions, 405 flow. Second operand 3 states and 623 transitions. [2025-03-14 01:44:33,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 197 transitions, 464 flow [2025-03-14 01:44:33,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 197 transitions, 461 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:44:33,146 INFO L231 Difference]: Finished difference. Result has 188 places, 191 transitions, 410 flow [2025-03-14 01:44:33,147 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=188, PETRI_TRANSITIONS=191} [2025-03-14 01:44:33,147 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2025-03-14 01:44:33,147 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 191 transitions, 410 flow [2025-03-14 01:44:33,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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) [2025-03-14 01:44:33,148 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:33,148 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] [2025-03-14 01:44:33,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-14 01:44:33,148 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:33,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:33,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1997266857, now seen corresponding path program 1 times [2025-03-14 01:44:33,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:33,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161666265] [2025-03-14 01:44:33,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:33,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:33,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-14 01:44:33,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-14 01:44:33,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:33,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:33,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:33,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161666265] [2025-03-14 01:44:33,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161666265] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:33,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:33,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:33,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035405668] [2025-03-14 01:44:33,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:33,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:33,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:33,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:33,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:33,198 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 222 [2025-03-14 01:44:33,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 191 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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) [2025-03-14 01:44:33,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:33,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 222 [2025-03-14 01:44:33,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:33,325 INFO L124 PetriNetUnfolderBase]: 380/1485 cut-off events. [2025-03-14 01:44:33,326 INFO L125 PetriNetUnfolderBase]: For 54/61 co-relation queries the response was YES. [2025-03-14 01:44:33,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2062 conditions, 1485 events. 380/1485 cut-off events. For 54/61 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 9918 event pairs, 55 based on Foata normal form. 1/1197 useless extension candidates. Maximal degree in co-relation 1485. Up to 360 conditions per place. [2025-03-14 01:44:33,338 INFO L140 encePairwiseOnDemand]: 216/222 looper letters, 24 selfloop transitions, 3 changer transitions 0/196 dead transitions. [2025-03-14 01:44:33,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 196 transitions, 478 flow [2025-03-14 01:44:33,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:33,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 612 transitions. [2025-03-14 01:44:33,339 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.918918918918919 [2025-03-14 01:44:33,340 INFO L175 Difference]: Start difference. First operand has 188 places, 191 transitions, 410 flow. Second operand 3 states and 612 transitions. [2025-03-14 01:44:33,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 196 transitions, 478 flow [2025-03-14 01:44:33,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 196 transitions, 476 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:44:33,343 INFO L231 Difference]: Finished difference. Result has 187 places, 189 transitions, 415 flow [2025-03-14 01:44:33,343 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=415, PETRI_PLACES=187, PETRI_TRANSITIONS=189} [2025-03-14 01:44:33,344 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -10 predicate places. [2025-03-14 01:44:33,345 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 189 transitions, 415 flow [2025-03-14 01:44:33,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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) [2025-03-14 01:44:33,345 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:33,345 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:33,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-14 01:44:33,345 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:33,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:33,346 INFO L85 PathProgramCache]: Analyzing trace with hash 385906381, now seen corresponding path program 1 times [2025-03-14 01:44:33,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:33,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718768317] [2025-03-14 01:44:33,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:33,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:33,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-14 01:44:33,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-14 01:44:33,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:33,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:33,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:33,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:33,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718768317] [2025-03-14 01:44:33,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718768317] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:33,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:33,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:33,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317866874] [2025-03-14 01:44:33,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:33,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:33,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:33,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:33,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:33,402 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 222 [2025-03-14 01:44:33,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 189 transitions, 415 flow. Second operand has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 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) [2025-03-14 01:44:33,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:33,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 222 [2025-03-14 01:44:33,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:33,502 INFO L124 PetriNetUnfolderBase]: 178/957 cut-off events. [2025-03-14 01:44:33,502 INFO L125 PetriNetUnfolderBase]: For 40/48 co-relation queries the response was YES. [2025-03-14 01:44:33,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1242 conditions, 957 events. 178/957 cut-off events. For 40/48 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 5948 event pairs, 30 based on Foata normal form. 1/797 useless extension candidates. Maximal degree in co-relation 913. Up to 144 conditions per place. [2025-03-14 01:44:33,508 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 20 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2025-03-14 01:44:33,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 195 transitions, 473 flow [2025-03-14 01:44:33,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:33,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:33,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 623 transitions. [2025-03-14 01:44:33,510 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354354354354354 [2025-03-14 01:44:33,510 INFO L175 Difference]: Start difference. First operand has 187 places, 189 transitions, 415 flow. Second operand 3 states and 623 transitions. [2025-03-14 01:44:33,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 195 transitions, 473 flow [2025-03-14 01:44:33,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 195 transitions, 470 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:44:33,512 INFO L231 Difference]: Finished difference. Result has 188 places, 189 transitions, 420 flow [2025-03-14 01:44:33,512 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=188, PETRI_TRANSITIONS=189} [2025-03-14 01:44:33,512 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2025-03-14 01:44:33,513 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 189 transitions, 420 flow [2025-03-14 01:44:33,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 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) [2025-03-14 01:44:33,513 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:33,513 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:33,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-14 01:44:33,513 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:33,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:33,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1536664339, now seen corresponding path program 1 times [2025-03-14 01:44:33,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:33,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727587320] [2025-03-14 01:44:33,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:33,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:33,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-14 01:44:33,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-14 01:44:33,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:33,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:33,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:33,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:33,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727587320] [2025-03-14 01:44:33,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727587320] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:33,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:33,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:33,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867689436] [2025-03-14 01:44:33,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:33,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:33,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:33,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:33,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:33,558 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2025-03-14 01:44:33,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 189 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2025-03-14 01:44:33,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:33,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2025-03-14 01:44:33,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:33,637 INFO L124 PetriNetUnfolderBase]: 198/828 cut-off events. [2025-03-14 01:44:33,637 INFO L125 PetriNetUnfolderBase]: For 32/45 co-relation queries the response was YES. [2025-03-14 01:44:33,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1214 conditions, 828 events. 198/828 cut-off events. For 32/45 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4966 event pairs, 70 based on Foata normal form. 1/712 useless extension candidates. Maximal degree in co-relation 1026. Up to 203 conditions per place. [2025-03-14 01:44:33,646 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 24 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2025-03-14 01:44:33,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 194 transitions, 485 flow [2025-03-14 01:44:33,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:33,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:33,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2025-03-14 01:44:33,649 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219219219219219 [2025-03-14 01:44:33,649 INFO L175 Difference]: Start difference. First operand has 188 places, 189 transitions, 420 flow. Second operand 3 states and 614 transitions. [2025-03-14 01:44:33,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 194 transitions, 485 flow [2025-03-14 01:44:33,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 194 transitions, 483 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:44:33,653 INFO L231 Difference]: Finished difference. Result has 188 places, 188 transitions, 420 flow [2025-03-14 01:44:33,653 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=188, PETRI_TRANSITIONS=188} [2025-03-14 01:44:33,654 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2025-03-14 01:44:33,654 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 188 transitions, 420 flow [2025-03-14 01:44:33,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2025-03-14 01:44:33,655 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:33,655 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] [2025-03-14 01:44:33,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-14 01:44:33,655 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:33,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:33,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1089941543, now seen corresponding path program 1 times [2025-03-14 01:44:33,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:33,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530874534] [2025-03-14 01:44:33,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:33,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:33,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-14 01:44:33,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-14 01:44:33,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:33,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:33,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:33,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:33,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530874534] [2025-03-14 01:44:33,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530874534] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:33,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:33,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:33,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439190875] [2025-03-14 01:44:33,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:33,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:33,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:33,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:33,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:33,704 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 222 [2025-03-14 01:44:33,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 188 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 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) [2025-03-14 01:44:33,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:33,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 222 [2025-03-14 01:44:33,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:33,806 INFO L124 PetriNetUnfolderBase]: 266/1035 cut-off events. [2025-03-14 01:44:33,807 INFO L125 PetriNetUnfolderBase]: For 68/77 co-relation queries the response was YES. [2025-03-14 01:44:33,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1502 conditions, 1035 events. 266/1035 cut-off events. For 68/77 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 6749 event pairs, 30 based on Foata normal form. 1/916 useless extension candidates. Maximal degree in co-relation 1150. Up to 280 conditions per place. [2025-03-14 01:44:33,813 INFO L140 encePairwiseOnDemand]: 216/222 looper letters, 23 selfloop transitions, 3 changer transitions 0/192 dead transitions. [2025-03-14 01:44:33,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 192 transitions, 482 flow [2025-03-14 01:44:33,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:33,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:33,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2025-03-14 01:44:33,815 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9174174174174174 [2025-03-14 01:44:33,815 INFO L175 Difference]: Start difference. First operand has 188 places, 188 transitions, 420 flow. Second operand 3 states and 611 transitions. [2025-03-14 01:44:33,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 192 transitions, 482 flow [2025-03-14 01:44:33,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 192 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:33,819 INFO L231 Difference]: Finished difference. Result has 186 places, 186 transitions, 423 flow [2025-03-14 01:44:33,820 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=423, PETRI_PLACES=186, PETRI_TRANSITIONS=186} [2025-03-14 01:44:33,821 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -11 predicate places. [2025-03-14 01:44:33,821 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 186 transitions, 423 flow [2025-03-14 01:44:33,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 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) [2025-03-14 01:44:33,822 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:33,822 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] [2025-03-14 01:44:33,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-14 01:44:33,822 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:33,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:33,823 INFO L85 PathProgramCache]: Analyzing trace with hash 915971644, now seen corresponding path program 1 times [2025-03-14 01:44:33,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:33,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749029872] [2025-03-14 01:44:33,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:33,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:33,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-14 01:44:33,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-14 01:44:33,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:33,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:33,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:33,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749029872] [2025-03-14 01:44:33,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749029872] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:33,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:33,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:33,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588503927] [2025-03-14 01:44:33,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:33,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:33,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:33,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:33,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:33,885 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2025-03-14 01:44:33,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 186 transitions, 423 flow. Second operand has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 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) [2025-03-14 01:44:33,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:33,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2025-03-14 01:44:33,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:33,990 INFO L124 PetriNetUnfolderBase]: 304/1205 cut-off events. [2025-03-14 01:44:33,990 INFO L125 PetriNetUnfolderBase]: For 78/83 co-relation queries the response was YES. [2025-03-14 01:44:33,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 1205 events. 304/1205 cut-off events. For 78/83 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 7758 event pairs, 120 based on Foata normal form. 0/1060 useless extension candidates. Maximal degree in co-relation 1258. Up to 307 conditions per place. [2025-03-14 01:44:34,000 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 24 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2025-03-14 01:44:34,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 191 transitions, 488 flow [2025-03-14 01:44:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:34,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:34,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2025-03-14 01:44:34,002 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219219219219219 [2025-03-14 01:44:34,002 INFO L175 Difference]: Start difference. First operand has 186 places, 186 transitions, 423 flow. Second operand 3 states and 614 transitions. [2025-03-14 01:44:34,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 191 transitions, 488 flow [2025-03-14 01:44:34,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 191 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:44:34,005 INFO L231 Difference]: Finished difference. Result has 186 places, 185 transitions, 422 flow [2025-03-14 01:44:34,005 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=186, PETRI_TRANSITIONS=185} [2025-03-14 01:44:34,005 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -11 predicate places. [2025-03-14 01:44:34,006 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 185 transitions, 422 flow [2025-03-14 01:44:34,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 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) [2025-03-14 01:44:34,006 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:34,006 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] [2025-03-14 01:44:34,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-14 01:44:34,006 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:34,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:34,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1857193826, now seen corresponding path program 1 times [2025-03-14 01:44:34,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:34,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623499248] [2025-03-14 01:44:34,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:34,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:34,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-14 01:44:34,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-14 01:44:34,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:34,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:34,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:34,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623499248] [2025-03-14 01:44:34,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623499248] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:34,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:34,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:34,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790712989] [2025-03-14 01:44:34,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:34,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:34,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:34,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:34,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:34,059 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2025-03-14 01:44:34,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 185 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2025-03-14 01:44:34,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:34,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2025-03-14 01:44:34,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:34,159 INFO L124 PetriNetUnfolderBase]: 266/1014 cut-off events. [2025-03-14 01:44:34,159 INFO L125 PetriNetUnfolderBase]: For 98/106 co-relation queries the response was YES. [2025-03-14 01:44:34,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1542 conditions, 1014 events. 266/1014 cut-off events. For 98/106 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6470 event pairs, 115 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 1287. Up to 290 conditions per place. [2025-03-14 01:44:34,165 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 24 selfloop transitions, 2 changer transitions 0/190 dead transitions. [2025-03-14 01:44:34,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 190 transitions, 486 flow [2025-03-14 01:44:34,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:34,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:34,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2025-03-14 01:44:34,167 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219219219219219 [2025-03-14 01:44:34,167 INFO L175 Difference]: Start difference. First operand has 186 places, 185 transitions, 422 flow. Second operand 3 states and 614 transitions. [2025-03-14 01:44:34,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 190 transitions, 486 flow [2025-03-14 01:44:34,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 190 transitions, 482 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:34,169 INFO L231 Difference]: Finished difference. Result has 185 places, 184 transitions, 420 flow [2025-03-14 01:44:34,170 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=185, PETRI_TRANSITIONS=184} [2025-03-14 01:44:34,170 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -12 predicate places. [2025-03-14 01:44:34,170 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 184 transitions, 420 flow [2025-03-14 01:44:34,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2025-03-14 01:44:34,171 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:34,171 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] [2025-03-14 01:44:34,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-14 01:44:34,171 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:34,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:34,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1302748379, now seen corresponding path program 1 times [2025-03-14 01:44:34,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:34,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377564990] [2025-03-14 01:44:34,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:34,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:34,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-14 01:44:34,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-14 01:44:34,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:34,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:34,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:34,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377564990] [2025-03-14 01:44:34,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377564990] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:34,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:34,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:34,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794348983] [2025-03-14 01:44:34,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:34,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:34,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:34,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:34,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:34,214 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 222 [2025-03-14 01:44:34,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 184 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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) [2025-03-14 01:44:34,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:34,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 222 [2025-03-14 01:44:34,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:34,294 INFO L124 PetriNetUnfolderBase]: 181/808 cut-off events. [2025-03-14 01:44:34,294 INFO L125 PetriNetUnfolderBase]: For 32/41 co-relation queries the response was YES. [2025-03-14 01:44:34,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 808 events. 181/808 cut-off events. For 32/41 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 4513 event pairs, 62 based on Foata normal form. 0/716 useless extension candidates. Maximal degree in co-relation 1019. Up to 183 conditions per place. [2025-03-14 01:44:34,301 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 22 selfloop transitions, 2 changer transitions 0/189 dead transitions. [2025-03-14 01:44:34,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 189 transitions, 481 flow [2025-03-14 01:44:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:34,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:34,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2025-03-14 01:44:34,302 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9279279279279279 [2025-03-14 01:44:34,302 INFO L175 Difference]: Start difference. First operand has 185 places, 184 transitions, 420 flow. Second operand 3 states and 618 transitions. [2025-03-14 01:44:34,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 189 transitions, 481 flow [2025-03-14 01:44:34,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 189 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:34,305 INFO L231 Difference]: Finished difference. Result has 184 places, 183 transitions, 418 flow [2025-03-14 01:44:34,305 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=184, PETRI_TRANSITIONS=183} [2025-03-14 01:44:34,306 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -13 predicate places. [2025-03-14 01:44:34,306 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 183 transitions, 418 flow [2025-03-14 01:44:34,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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) [2025-03-14 01:44:34,306 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:34,306 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] [2025-03-14 01:44:34,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-14 01:44:34,306 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:34,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:34,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1840927236, now seen corresponding path program 1 times [2025-03-14 01:44:34,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:34,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343075492] [2025-03-14 01:44:34,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:34,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:34,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-14 01:44:34,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-14 01:44:34,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:34,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:34,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:34,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:34,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343075492] [2025-03-14 01:44:34,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343075492] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:34,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:34,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:34,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215621814] [2025-03-14 01:44:34,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:34,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:34,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:34,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:34,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:34,354 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 222 [2025-03-14 01:44:34,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 183 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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) [2025-03-14 01:44:34,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:34,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 222 [2025-03-14 01:44:34,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:34,463 INFO L124 PetriNetUnfolderBase]: 277/1193 cut-off events. [2025-03-14 01:44:34,464 INFO L125 PetriNetUnfolderBase]: For 67/71 co-relation queries the response was YES. [2025-03-14 01:44:34,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1770 conditions, 1193 events. 277/1193 cut-off events. For 67/71 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 7487 event pairs, 102 based on Foata normal form. 0/1059 useless extension candidates. Maximal degree in co-relation 1753. Up to 269 conditions per place. [2025-03-14 01:44:34,472 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 22 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2025-03-14 01:44:34,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 188 transitions, 479 flow [2025-03-14 01:44:34,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:34,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2025-03-14 01:44:34,474 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9279279279279279 [2025-03-14 01:44:34,474 INFO L175 Difference]: Start difference. First operand has 184 places, 183 transitions, 418 flow. Second operand 3 states and 618 transitions. [2025-03-14 01:44:34,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 188 transitions, 479 flow [2025-03-14 01:44:34,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 188 transitions, 475 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:34,477 INFO L231 Difference]: Finished difference. Result has 183 places, 182 transitions, 416 flow [2025-03-14 01:44:34,477 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=183, PETRI_TRANSITIONS=182} [2025-03-14 01:44:34,477 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -14 predicate places. [2025-03-14 01:44:34,477 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 182 transitions, 416 flow [2025-03-14 01:44:34,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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) [2025-03-14 01:44:34,478 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:34,478 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] [2025-03-14 01:44:34,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-14 01:44:34,478 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2025-03-14 01:44:34,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:34,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1457002726, now seen corresponding path program 1 times [2025-03-14 01:44:34,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:34,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612048969] [2025-03-14 01:44:34,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:34,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:34,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-14 01:44:34,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-14 01:44:34,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:34,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:34,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:34,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612048969] [2025-03-14 01:44:34,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612048969] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:34,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:34,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:34,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581156217] [2025-03-14 01:44:34,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:34,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:34,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:34,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:34,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:34,520 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 222 [2025-03-14 01:44:34,521 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 182 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 201.0) internal successors, (603), 3 states have internal predecessors, (603), 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) [2025-03-14 01:44:34,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:34,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 222 [2025-03-14 01:44:34,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:34,612 INFO L124 PetriNetUnfolderBase]: 240/975 cut-off events. [2025-03-14 01:44:34,612 INFO L125 PetriNetUnfolderBase]: For 94/101 co-relation queries the response was YES. [2025-03-14 01:44:34,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1467 conditions, 975 events. 240/975 cut-off events. For 94/101 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 6256 event pairs, 98 based on Foata normal form. 0/882 useless extension candidates. Maximal degree in co-relation 1434. Up to 254 conditions per place. [2025-03-14 01:44:34,620 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 0 selfloop transitions, 0 changer transitions 187/187 dead transitions. [2025-03-14 01:44:34,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 187 transitions, 476 flow [2025-03-14 01:44:34,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:34,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2025-03-14 01:44:34,621 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9279279279279279 [2025-03-14 01:44:34,622 INFO L175 Difference]: Start difference. First operand has 183 places, 182 transitions, 416 flow. Second operand 3 states and 618 transitions. [2025-03-14 01:44:34,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 187 transitions, 476 flow [2025-03-14 01:44:34,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 187 transitions, 472 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:34,624 INFO L231 Difference]: Finished difference. Result has 182 places, 0 transitions, 0 flow [2025-03-14 01:44:34,624 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=182, PETRI_TRANSITIONS=0} [2025-03-14 01:44:34,624 INFO L279 CegarLoopForPetriNet]: 197 programPoint places, -15 predicate places. [2025-03-14 01:44:34,624 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 0 transitions, 0 flow [2025-03-14 01:44:34,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.0) internal successors, (603), 3 states have internal predecessors, (603), 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) [2025-03-14 01:44:34,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (44 of 45 remaining) [2025-03-14 01:44:34,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 45 remaining) [2025-03-14 01:44:34,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 45 remaining) [2025-03-14 01:44:34,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (41 of 45 remaining) [2025-03-14 01:44:34,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (40 of 45 remaining) [2025-03-14 01:44:34,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (39 of 45 remaining) [2025-03-14 01:44:34,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (38 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (35 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (33 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (32 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (31 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (30 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (29 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (28 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 45 remaining) [2025-03-14 01:44:34,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (16 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (15 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (13 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 45 remaining) [2025-03-14 01:44:34,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 45 remaining) [2025-03-14 01:44:34,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 45 remaining) [2025-03-14 01:44:34,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 45 remaining) [2025-03-14 01:44:34,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 45 remaining) [2025-03-14 01:44:34,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 45 remaining) [2025-03-14 01:44:34,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 45 remaining) [2025-03-14 01:44:34,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 45 remaining) [2025-03-14 01:44:34,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 45 remaining) [2025-03-14 01:44:34,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 45 remaining) [2025-03-14 01:44:34,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 45 remaining) [2025-03-14 01:44:34,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 45 remaining) [2025-03-14 01:44:34,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 45 remaining) [2025-03-14 01:44:34,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-14 01:44:34,631 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:34,634 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 01:44:34,635 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 01:44:34,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 01:44:34 BasicIcfg [2025-03-14 01:44:34,638 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 01:44:34,639 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-14 01:44:34,639 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-14 01:44:34,639 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-14 01:44:34,639 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:44:31" (3/4) ... [2025-03-14 01:44:34,640 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-14 01:44:34,642 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-14 01:44:34,642 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-14 01:44:34,642 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-14 01:44:34,644 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-14 01:44:34,645 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-14 01:44:34,645 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-14 01:44:34,645 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-14 01:44:34,703 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-14 01:44:34,703 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-14 01:44:34,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-14 01:44:34,704 INFO L158 Benchmark]: Toolchain (without parser) took 4237.60ms. Allocated memory was 142.6MB in the beginning and 243.3MB in the end (delta: 100.7MB). Free memory was 112.3MB in the beginning and 115.2MB in the end (delta: -2.9MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2025-03-14 01:44:34,704 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:44:34,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.04ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 99.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:44:34,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.87ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:44:34,706 INFO L158 Benchmark]: Boogie Preprocessor took 22.97ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.7MB in the end (delta: 945.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:44:34,706 INFO L158 Benchmark]: IcfgBuilder took 401.88ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 77.8MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-14 01:44:34,706 INFO L158 Benchmark]: TraceAbstraction took 3517.46ms. Allocated memory was 142.6MB in the beginning and 243.3MB in the end (delta: 100.7MB). Free memory was 77.3MB in the beginning and 119.6MB in the end (delta: -42.2MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2025-03-14 01:44:34,706 INFO L158 Benchmark]: Witness Printer took 64.55ms. Allocated memory is still 243.3MB. Free memory was 119.6MB in the beginning and 115.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:44:34,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.04ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 99.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.87ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.97ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.7MB in the end (delta: 945.1kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 401.88ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 77.8MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3517.46ms. Allocated memory was 142.6MB in the beginning and 243.3MB in the end (delta: 100.7MB). Free memory was 77.3MB in the beginning and 119.6MB in the end (delta: -42.2MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Witness Printer took 64.55ms. Allocated memory is still 243.3MB. Free memory was 119.6MB in the beginning and 115.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: 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: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 326 locations, 45 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: 3.4s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 498 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 797 IncrementalHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 18 mSDtfsCounter, 797 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=423occurred 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1052 NumberOfCodeBlocks, 1052 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1034 ConstructedInterpolants, 0 QuantifiedInterpolants, 1070 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 24 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 01:44:34,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE