./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a6cef8f51d4b8dff634e07872101a48e47fb1f63ea17b45a5f4511bf6a262ddb --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:28:36,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:28:36,147 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:28:36,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:28:36,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:28:36,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:28:36,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:28:36,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:28:36,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:28:36,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:28:36,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:28:36,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:28:36,165 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:28:36,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:28:36,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:28:36,165 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:28:36,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:28:36,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:28:36,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:28:36,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:28:36,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:28:36,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:28:36,166 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:28:36,166 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:28:36,166 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:28:36,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:28:36,166 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:28:36,166 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:28:36,166 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:28:36,166 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:28:36,166 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:28:36,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:28:36,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:28:36,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:28:36,167 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:28:36,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:28:36,167 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:28:36,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:28:36,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:28:36,167 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:28:36,167 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:28:36,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:28:36,167 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6cef8f51d4b8dff634e07872101a48e47fb1f63ea17b45a5f4511bf6a262ddb [2025-02-06 09:28:36,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:28:36,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:28:36,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:28:36,410 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:28:36,411 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:28:36,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2025-02-06 09:28:37,692 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3dd8098ac/dea5f4093af9468c8feb54d50cc40f71/FLAG11f017882 [2025-02-06 09:28:37,968 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:28:37,968 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2025-02-06 09:28:37,979 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3dd8098ac/dea5f4093af9468c8feb54d50cc40f71/FLAG11f017882 [2025-02-06 09:28:37,992 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3dd8098ac/dea5f4093af9468c8feb54d50cc40f71 [2025-02-06 09:28:37,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:28:37,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:28:37,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:28:37,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:28:38,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:28:38,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:28:37" (1/1) ... [2025-02-06 09:28:38,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c7b454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38, skipping insertion in model container [2025-02-06 09:28:38,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:28:37" (1/1) ... [2025-02-06 09:28:38,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:28:38,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:28:38,151 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:28:38,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:28:38,185 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:28:38,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38 WrapperNode [2025-02-06 09:28:38,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:28:38,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:28:38,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:28:38,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:28:38,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38" (1/1) ... [2025-02-06 09:28:38,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38" (1/1) ... [2025-02-06 09:28:38,221 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 237 [2025-02-06 09:28:38,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:28:38,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:28:38,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:28:38,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:28:38,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38" (1/1) ... [2025-02-06 09:28:38,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38" (1/1) ... [2025-02-06 09:28:38,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38" (1/1) ... [2025-02-06 09:28:38,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38" (1/1) ... [2025-02-06 09:28:38,239 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38" (1/1) ... [2025-02-06 09:28:38,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38" (1/1) ... [2025-02-06 09:28:38,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38" (1/1) ... [2025-02-06 09:28:38,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38" (1/1) ... [2025-02-06 09:28:38,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:28:38,246 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:28:38,246 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:28:38,247 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:28:38,248 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38" (1/1) ... [2025-02-06 09:28:38,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:28:38,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:28:38,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:28:38,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:28:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:28:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:28:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:28:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:28:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:28:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:28:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:28:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:28:38,300 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:28:38,379 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:28:38,380 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:28:38,608 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:28:38,608 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:28:38,619 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:28:38,619 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:28:38,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:28:38 BoogieIcfgContainer [2025-02-06 09:28:38,619 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:28:38,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:28:38,621 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:28:38,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:28:38,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:28:37" (1/3) ... [2025-02-06 09:28:38,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c143ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:28:38, skipping insertion in model container [2025-02-06 09:28:38,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:38" (2/3) ... [2025-02-06 09:28:38,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c143ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:28:38, skipping insertion in model container [2025-02-06 09:28:38,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:28:38" (3/3) ... [2025-02-06 09:28:38,625 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-exp-term-symm.wvr.c [2025-02-06 09:28:38,634 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:28:38,636 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-exp-term-symm.wvr.c that has 3 procedures, 304 locations, 1 initial locations, 0 loop locations, and 32 error locations. [2025-02-06 09:28:38,636 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:28:38,713 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:28:38,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 310 places, 325 transitions, 664 flow [2025-02-06 09:28:38,847 INFO L124 PetriNetUnfolderBase]: 22/323 cut-off events. [2025-02-06 09:28:38,850 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:28:38,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 323 events. 22/323 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 790 event pairs, 0 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2025-02-06 09:28:38,860 INFO L82 GeneralOperation]: Start removeDead. Operand has 310 places, 325 transitions, 664 flow [2025-02-06 09:28:38,866 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 290 places, 303 transitions, 618 flow [2025-02-06 09:28:38,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:28:38,881 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;@2868a21e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:28:38,881 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2025-02-06 09:28:38,905 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:28:38,906 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-02-06 09:28:38,906 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:28:38,906 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:38,906 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] [2025-02-06 09:28:38,907 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:38,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:38,914 INFO L85 PathProgramCache]: Analyzing trace with hash 340526642, now seen corresponding path program 1 times [2025-02-06 09:28:38,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:38,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679112109] [2025-02-06 09:28:38,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:38,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:38,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 09:28:38,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 09:28:38,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:38,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:39,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:39,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679112109] [2025-02-06 09:28:39,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679112109] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:39,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:39,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:39,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087486595] [2025-02-06 09:28:39,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:39,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:39,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:39,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:39,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:39,088 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 325 [2025-02-06 09:28:39,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 303 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:39,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:39,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 325 [2025-02-06 09:28:39,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:39,186 INFO L124 PetriNetUnfolderBase]: 39/568 cut-off events. [2025-02-06 09:28:39,186 INFO L125 PetriNetUnfolderBase]: For 17/18 co-relation queries the response was YES. [2025-02-06 09:28:39,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 568 events. 39/568 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2592 event pairs, 8 based on Foata normal form. 16/482 useless extension candidates. Maximal degree in co-relation 419. Up to 30 conditions per place. [2025-02-06 09:28:39,192 INFO L140 encePairwiseOnDemand]: 316/325 looper letters, 11 selfloop transitions, 2 changer transitions 2/296 dead transitions. [2025-02-06 09:28:39,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 296 transitions, 630 flow [2025-02-06 09:28:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:39,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 926 transitions. [2025-02-06 09:28:39,203 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9497435897435897 [2025-02-06 09:28:39,204 INFO L175 Difference]: Start difference. First operand has 290 places, 303 transitions, 618 flow. Second operand 3 states and 926 transitions. [2025-02-06 09:28:39,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 296 transitions, 630 flow [2025-02-06 09:28:39,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 296 transitions, 622 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 09:28:39,213 INFO L231 Difference]: Finished difference. Result has 287 places, 294 transitions, 596 flow [2025-02-06 09:28:39,215 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=596, PETRI_PLACES=287, PETRI_TRANSITIONS=294} [2025-02-06 09:28:39,218 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -3 predicate places. [2025-02-06 09:28:39,218 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 294 transitions, 596 flow [2025-02-06 09:28:39,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:39,218 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:39,219 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:39,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:28:39,219 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:39,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:39,219 INFO L85 PathProgramCache]: Analyzing trace with hash -363715190, now seen corresponding path program 1 times [2025-02-06 09:28:39,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:39,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656716218] [2025-02-06 09:28:39,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:39,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:39,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 09:28:39,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 09:28:39,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:39,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:39,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:39,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656716218] [2025-02-06 09:28:39,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656716218] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:39,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:39,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:39,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382789259] [2025-02-06 09:28:39,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:39,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:39,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:39,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:39,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:39,278 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 325 [2025-02-06 09:28:39,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 294 transitions, 596 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:39,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:39,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 325 [2025-02-06 09:28:39,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:39,352 INFO L124 PetriNetUnfolderBase]: 39/568 cut-off events. [2025-02-06 09:28:39,352 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2025-02-06 09:28:39,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 568 events. 39/568 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2543 event pairs, 8 based on Foata normal form. 0/467 useless extension candidates. Maximal degree in co-relation 578. Up to 30 conditions per place. [2025-02-06 09:28:39,355 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 11 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2025-02-06 09:28:39,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 293 transitions, 620 flow [2025-02-06 09:28:39,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:39,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:39,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 920 transitions. [2025-02-06 09:28:39,357 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9435897435897436 [2025-02-06 09:28:39,357 INFO L175 Difference]: Start difference. First operand has 287 places, 294 transitions, 596 flow. Second operand 3 states and 920 transitions. [2025-02-06 09:28:39,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 293 transitions, 620 flow [2025-02-06 09:28:39,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 293 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:39,361 INFO L231 Difference]: Finished difference. Result has 284 places, 293 transitions, 594 flow [2025-02-06 09:28:39,362 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=594, PETRI_PLACES=284, PETRI_TRANSITIONS=293} [2025-02-06 09:28:39,362 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -6 predicate places. [2025-02-06 09:28:39,362 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 293 transitions, 594 flow [2025-02-06 09:28:39,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:39,363 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:39,363 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] [2025-02-06 09:28:39,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:28:39,363 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:39,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:39,364 INFO L85 PathProgramCache]: Analyzing trace with hash -364654698, now seen corresponding path program 1 times [2025-02-06 09:28:39,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:39,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771701932] [2025-02-06 09:28:39,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:39,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:39,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 09:28:39,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 09:28:39,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:39,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:39,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:39,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771701932] [2025-02-06 09:28:39,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771701932] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:39,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:39,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:39,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890803187] [2025-02-06 09:28:39,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:39,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:39,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:39,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:39,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:39,430 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 325 [2025-02-06 09:28:39,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 293 transitions, 594 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:39,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:39,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 325 [2025-02-06 09:28:39,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:39,482 INFO L124 PetriNetUnfolderBase]: 53/682 cut-off events. [2025-02-06 09:28:39,482 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:28:39,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 682 events. 53/682 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3647 event pairs, 15 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 699. Up to 44 conditions per place. [2025-02-06 09:28:39,486 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 13 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2025-02-06 09:28:39,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 292 transitions, 622 flow [2025-02-06 09:28:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2025-02-06 09:28:39,488 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9394871794871795 [2025-02-06 09:28:39,488 INFO L175 Difference]: Start difference. First operand has 284 places, 293 transitions, 594 flow. Second operand 3 states and 916 transitions. [2025-02-06 09:28:39,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 292 transitions, 622 flow [2025-02-06 09:28:39,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 292 transitions, 618 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:39,491 INFO L231 Difference]: Finished difference. Result has 283 places, 292 transitions, 592 flow [2025-02-06 09:28:39,492 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=283, PETRI_TRANSITIONS=292} [2025-02-06 09:28:39,493 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -7 predicate places. [2025-02-06 09:28:39,493 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 292 transitions, 592 flow [2025-02-06 09:28:39,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:39,494 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:39,494 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] [2025-02-06 09:28:39,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:28:39,494 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:39,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:39,494 INFO L85 PathProgramCache]: Analyzing trace with hash -456187454, now seen corresponding path program 1 times [2025-02-06 09:28:39,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:39,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554149972] [2025-02-06 09:28:39,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:39,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:39,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 09:28:39,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 09:28:39,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:39,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:39,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:39,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:39,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554149972] [2025-02-06 09:28:39,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554149972] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:39,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:39,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:39,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844375121] [2025-02-06 09:28:39,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:39,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:39,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:39,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:39,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:39,566 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 325 [2025-02-06 09:28:39,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 292 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:39,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:39,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 325 [2025-02-06 09:28:39,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:39,643 INFO L124 PetriNetUnfolderBase]: 53/669 cut-off events. [2025-02-06 09:28:39,644 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:28:39,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 669 events. 53/669 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3640 event pairs, 15 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 678. Up to 44 conditions per place. [2025-02-06 09:28:39,649 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 13 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2025-02-06 09:28:39,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 291 transitions, 620 flow [2025-02-06 09:28:39,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:39,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:39,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2025-02-06 09:28:39,652 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9394871794871795 [2025-02-06 09:28:39,652 INFO L175 Difference]: Start difference. First operand has 283 places, 292 transitions, 592 flow. Second operand 3 states and 916 transitions. [2025-02-06 09:28:39,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 291 transitions, 620 flow [2025-02-06 09:28:39,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 291 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:39,656 INFO L231 Difference]: Finished difference. Result has 282 places, 291 transitions, 590 flow [2025-02-06 09:28:39,656 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=282, PETRI_TRANSITIONS=291} [2025-02-06 09:28:39,657 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -8 predicate places. [2025-02-06 09:28:39,657 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 291 transitions, 590 flow [2025-02-06 09:28:39,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:39,658 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:39,658 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] [2025-02-06 09:28:39,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:28:39,659 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:39,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:39,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1805785107, now seen corresponding path program 1 times [2025-02-06 09:28:39,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:39,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757053435] [2025-02-06 09:28:39,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:39,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:39,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 09:28:39,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 09:28:39,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:39,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:39,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:39,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757053435] [2025-02-06 09:28:39,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757053435] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:39,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:39,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:39,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909260942] [2025-02-06 09:28:39,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:39,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:39,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:39,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:39,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:39,751 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 325 [2025-02-06 09:28:39,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 291 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:39,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:39,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 325 [2025-02-06 09:28:39,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:39,834 INFO L124 PetriNetUnfolderBase]: 116/1116 cut-off events. [2025-02-06 09:28:39,834 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-02-06 09:28:39,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1242 conditions, 1116 events. 116/1116 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7548 event pairs, 36 based on Foata normal form. 0/931 useless extension candidates. Maximal degree in co-relation 1188. Up to 110 conditions per place. [2025-02-06 09:28:39,839 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 18 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2025-02-06 09:28:39,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 288 transitions, 625 flow [2025-02-06 09:28:39,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:39,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:39,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2025-02-06 09:28:39,841 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9312820512820513 [2025-02-06 09:28:39,841 INFO L175 Difference]: Start difference. First operand has 282 places, 291 transitions, 590 flow. Second operand 3 states and 908 transitions. [2025-02-06 09:28:39,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 288 transitions, 625 flow [2025-02-06 09:28:39,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 288 transitions, 621 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:39,845 INFO L231 Difference]: Finished difference. Result has 277 places, 287 transitions, 588 flow [2025-02-06 09:28:39,845 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=277, PETRI_TRANSITIONS=287} [2025-02-06 09:28:39,846 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -13 predicate places. [2025-02-06 09:28:39,846 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 287 transitions, 588 flow [2025-02-06 09:28:39,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:39,847 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:39,847 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] [2025-02-06 09:28:39,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:28:39,847 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:39,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:39,847 INFO L85 PathProgramCache]: Analyzing trace with hash 192720180, now seen corresponding path program 1 times [2025-02-06 09:28:39,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:39,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129642709] [2025-02-06 09:28:39,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:39,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:39,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 09:28:39,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 09:28:39,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:39,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:39,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:39,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:39,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129642709] [2025-02-06 09:28:39,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129642709] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:39,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:39,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:39,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640145898] [2025-02-06 09:28:39,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:39,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:39,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:39,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:39,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:39,945 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 325 [2025-02-06 09:28:39,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 287 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:39,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:39,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 325 [2025-02-06 09:28:39,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:40,197 INFO L124 PetriNetUnfolderBase]: 145/1395 cut-off events. [2025-02-06 09:28:40,197 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-02-06 09:28:40,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1548 conditions, 1395 events. 145/1395 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 10376 event pairs, 36 based on Foata normal form. 0/1184 useless extension candidates. Maximal degree in co-relation 1393. Up to 128 conditions per place. [2025-02-06 09:28:40,214 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 18 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2025-02-06 09:28:40,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 284 transitions, 623 flow [2025-02-06 09:28:40,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:40,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2025-02-06 09:28:40,216 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9312820512820513 [2025-02-06 09:28:40,216 INFO L175 Difference]: Start difference. First operand has 277 places, 287 transitions, 588 flow. Second operand 3 states and 908 transitions. [2025-02-06 09:28:40,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 284 transitions, 623 flow [2025-02-06 09:28:40,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 284 transitions, 623 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:28:40,225 INFO L231 Difference]: Finished difference. Result has 274 places, 283 transitions, 590 flow [2025-02-06 09:28:40,225 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=274, PETRI_TRANSITIONS=283} [2025-02-06 09:28:40,226 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -16 predicate places. [2025-02-06 09:28:40,226 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 283 transitions, 590 flow [2025-02-06 09:28:40,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:40,227 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:40,227 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] [2025-02-06 09:28:40,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:28:40,227 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:40,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:40,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1290659334, now seen corresponding path program 1 times [2025-02-06 09:28:40,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:40,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247793178] [2025-02-06 09:28:40,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:40,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:40,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 09:28:40,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 09:28:40,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:40,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:40,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:40,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247793178] [2025-02-06 09:28:40,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247793178] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:40,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:40,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:28:40,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764076833] [2025-02-06 09:28:40,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:40,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:40,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:40,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:40,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:40,284 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 325 [2025-02-06 09:28:40,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 283 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:40,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:40,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 325 [2025-02-06 09:28:40,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:40,341 INFO L124 PetriNetUnfolderBase]: 47/651 cut-off events. [2025-02-06 09:28:40,342 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:28:40,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 651 events. 47/651 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3606 event pairs, 5 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 557. Up to 22 conditions per place. [2025-02-06 09:28:40,345 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 11 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2025-02-06 09:28:40,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 286 transitions, 625 flow [2025-02-06 09:28:40,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 933 transitions. [2025-02-06 09:28:40,347 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9569230769230769 [2025-02-06 09:28:40,348 INFO L175 Difference]: Start difference. First operand has 274 places, 283 transitions, 590 flow. Second operand 3 states and 933 transitions. [2025-02-06 09:28:40,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 286 transitions, 625 flow [2025-02-06 09:28:40,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 286 transitions, 625 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:28:40,351 INFO L231 Difference]: Finished difference. Result has 278 places, 285 transitions, 612 flow [2025-02-06 09:28:40,352 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=278, PETRI_TRANSITIONS=285} [2025-02-06 09:28:40,352 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -12 predicate places. [2025-02-06 09:28:40,352 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 285 transitions, 612 flow [2025-02-06 09:28:40,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:40,353 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:40,353 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] [2025-02-06 09:28:40,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:28:40,353 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:40,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:40,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1632157959, now seen corresponding path program 1 times [2025-02-06 09:28:40,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:40,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645305449] [2025-02-06 09:28:40,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:40,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:40,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-06 09:28:40,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 09:28:40,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:40,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:40,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:40,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645305449] [2025-02-06 09:28:40,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645305449] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:40,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:40,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:40,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364590348] [2025-02-06 09:28:40,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:40,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:40,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:40,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:40,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:40,404 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 325 [2025-02-06 09:28:40,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 285 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:40,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:40,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 325 [2025-02-06 09:28:40,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:40,517 INFO L124 PetriNetUnfolderBase]: 103/1220 cut-off events. [2025-02-06 09:28:40,518 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2025-02-06 09:28:40,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1370 conditions, 1220 events. 103/1220 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8293 event pairs, 8 based on Foata normal form. 0/1071 useless extension candidates. Maximal degree in co-relation 1178. Up to 87 conditions per place. [2025-02-06 09:28:40,525 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 16 selfloop transitions, 4 changer transitions 0/288 dead transitions. [2025-02-06 09:28:40,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 288 transitions, 661 flow [2025-02-06 09:28:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:40,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:40,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2025-02-06 09:28:40,528 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9476923076923077 [2025-02-06 09:28:40,529 INFO L175 Difference]: Start difference. First operand has 278 places, 285 transitions, 612 flow. Second operand 3 states and 924 transitions. [2025-02-06 09:28:40,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 288 transitions, 661 flow [2025-02-06 09:28:40,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 288 transitions, 655 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:40,536 INFO L231 Difference]: Finished difference. Result has 275 places, 285 transitions, 626 flow [2025-02-06 09:28:40,536 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=275, PETRI_TRANSITIONS=285} [2025-02-06 09:28:40,536 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -15 predicate places. [2025-02-06 09:28:40,539 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 285 transitions, 626 flow [2025-02-06 09:28:40,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:40,539 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:40,539 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] [2025-02-06 09:28:40,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 09:28:40,540 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:40,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:40,540 INFO L85 PathProgramCache]: Analyzing trace with hash -533656013, now seen corresponding path program 1 times [2025-02-06 09:28:40,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:40,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301632681] [2025-02-06 09:28:40,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:40,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:40,550 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 09:28:40,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 09:28:40,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:40,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:40,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:40,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301632681] [2025-02-06 09:28:40,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301632681] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:40,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:40,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:40,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900397604] [2025-02-06 09:28:40,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:40,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:40,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:40,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:40,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:40,601 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 325 [2025-02-06 09:28:40,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 285 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:40,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:40,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 325 [2025-02-06 09:28:40,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:40,695 INFO L124 PetriNetUnfolderBase]: 93/1123 cut-off events. [2025-02-06 09:28:40,695 INFO L125 PetriNetUnfolderBase]: For 5/17 co-relation queries the response was YES. [2025-02-06 09:28:40,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1279 conditions, 1123 events. 93/1123 cut-off events. For 5/17 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 7387 event pairs, 6 based on Foata normal form. 3/992 useless extension candidates. Maximal degree in co-relation 1088. Up to 32 conditions per place. [2025-02-06 09:28:40,700 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 10 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2025-02-06 09:28:40,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 285 transitions, 651 flow [2025-02-06 09:28:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:40,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 928 transitions. [2025-02-06 09:28:40,702 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9517948717948718 [2025-02-06 09:28:40,702 INFO L175 Difference]: Start difference. First operand has 275 places, 285 transitions, 626 flow. Second operand 3 states and 928 transitions. [2025-02-06 09:28:40,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 285 transitions, 651 flow [2025-02-06 09:28:40,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 285 transitions, 651 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:28:40,705 INFO L231 Difference]: Finished difference. Result has 276 places, 284 transitions, 628 flow [2025-02-06 09:28:40,705 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=276, PETRI_TRANSITIONS=284} [2025-02-06 09:28:40,706 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -14 predicate places. [2025-02-06 09:28:40,706 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 284 transitions, 628 flow [2025-02-06 09:28:40,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:40,707 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:40,707 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] [2025-02-06 09:28:40,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 09:28:40,707 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:40,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:40,707 INFO L85 PathProgramCache]: Analyzing trace with hash 840757004, now seen corresponding path program 1 times [2025-02-06 09:28:40,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:40,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339052791] [2025-02-06 09:28:40,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:40,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:40,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 09:28:40,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 09:28:40,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:40,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:40,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:40,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339052791] [2025-02-06 09:28:40,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339052791] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:40,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:40,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:40,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400891277] [2025-02-06 09:28:40,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:40,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:40,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:40,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:40,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:40,774 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 325 [2025-02-06 09:28:40,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 284 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:40,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:40,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 325 [2025-02-06 09:28:40,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:40,890 INFO L124 PetriNetUnfolderBase]: 123/1336 cut-off events. [2025-02-06 09:28:40,890 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2025-02-06 09:28:40,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1554 conditions, 1336 events. 123/1336 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 9677 event pairs, 14 based on Foata normal form. 0/1199 useless extension candidates. Maximal degree in co-relation 1358. Up to 100 conditions per place. [2025-02-06 09:28:40,896 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 16 selfloop transitions, 4 changer transitions 0/287 dead transitions. [2025-02-06 09:28:40,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 287 transitions, 677 flow [2025-02-06 09:28:40,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:40,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2025-02-06 09:28:40,898 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9476923076923077 [2025-02-06 09:28:40,898 INFO L175 Difference]: Start difference. First operand has 276 places, 284 transitions, 628 flow. Second operand 3 states and 924 transitions. [2025-02-06 09:28:40,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 287 transitions, 677 flow [2025-02-06 09:28:40,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 287 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:40,901 INFO L231 Difference]: Finished difference. Result has 273 places, 284 transitions, 644 flow [2025-02-06 09:28:40,902 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=273, PETRI_TRANSITIONS=284} [2025-02-06 09:28:40,902 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -17 predicate places. [2025-02-06 09:28:40,902 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 284 transitions, 644 flow [2025-02-06 09:28:40,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:40,903 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:40,903 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] [2025-02-06 09:28:40,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 09:28:40,903 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:40,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:40,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1151688171, now seen corresponding path program 1 times [2025-02-06 09:28:40,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:40,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687978048] [2025-02-06 09:28:40,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:40,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:40,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 09:28:40,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 09:28:40,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:40,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:40,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:40,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687978048] [2025-02-06 09:28:40,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687978048] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:40,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:40,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:28:40,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728895187] [2025-02-06 09:28:40,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:40,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:40,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:40,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:40,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:40,937 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 325 [2025-02-06 09:28:40,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 284 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:40,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:40,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 325 [2025-02-06 09:28:40,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:41,008 INFO L124 PetriNetUnfolderBase]: 104/1158 cut-off events. [2025-02-06 09:28:41,008 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2025-02-06 09:28:41,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1384 conditions, 1158 events. 104/1158 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 7723 event pairs, 10 based on Foata normal form. 0/1026 useless extension candidates. Maximal degree in co-relation 1159. Up to 81 conditions per place. [2025-02-06 09:28:41,015 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 11 selfloop transitions, 3 changer transitions 0/287 dead transitions. [2025-02-06 09:28:41,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 287 transitions, 679 flow [2025-02-06 09:28:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 933 transitions. [2025-02-06 09:28:41,017 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9569230769230769 [2025-02-06 09:28:41,017 INFO L175 Difference]: Start difference. First operand has 273 places, 284 transitions, 644 flow. Second operand 3 states and 933 transitions. [2025-02-06 09:28:41,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 287 transitions, 679 flow [2025-02-06 09:28:41,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 287 transitions, 679 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:28:41,021 INFO L231 Difference]: Finished difference. Result has 277 places, 286 transitions, 666 flow [2025-02-06 09:28:41,021 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=277, PETRI_TRANSITIONS=286} [2025-02-06 09:28:41,021 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -13 predicate places. [2025-02-06 09:28:41,021 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 286 transitions, 666 flow [2025-02-06 09:28:41,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:41,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:41,022 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:41,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 09:28:41,022 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:41,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:41,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1105386600, now seen corresponding path program 1 times [2025-02-06 09:28:41,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:41,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476657655] [2025-02-06 09:28:41,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:41,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:41,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 09:28:41,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 09:28:41,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:41,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:41,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:41,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476657655] [2025-02-06 09:28:41,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476657655] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:41,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:41,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:41,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111325319] [2025-02-06 09:28:41,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:41,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:41,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:41,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:41,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:41,066 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 325 [2025-02-06 09:28:41,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 286 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:41,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:41,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 325 [2025-02-06 09:28:41,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:41,149 INFO L124 PetriNetUnfolderBase]: 104/1036 cut-off events. [2025-02-06 09:28:41,149 INFO L125 PetriNetUnfolderBase]: For 56/58 co-relation queries the response was YES. [2025-02-06 09:28:41,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1347 conditions, 1036 events. 104/1036 cut-off events. For 56/58 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6705 event pairs, 6 based on Foata normal form. 0/952 useless extension candidates. Maximal degree in co-relation 1109. Up to 65 conditions per place. [2025-02-06 09:28:41,154 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 10 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2025-02-06 09:28:41,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 286 transitions, 691 flow [2025-02-06 09:28:41,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:41,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 928 transitions. [2025-02-06 09:28:41,156 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9517948717948718 [2025-02-06 09:28:41,156 INFO L175 Difference]: Start difference. First operand has 277 places, 286 transitions, 666 flow. Second operand 3 states and 928 transitions. [2025-02-06 09:28:41,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 286 transitions, 691 flow [2025-02-06 09:28:41,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 286 transitions, 685 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:41,159 INFO L231 Difference]: Finished difference. Result has 276 places, 285 transitions, 662 flow [2025-02-06 09:28:41,159 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=662, PETRI_PLACES=276, PETRI_TRANSITIONS=285} [2025-02-06 09:28:41,160 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -14 predicate places. [2025-02-06 09:28:41,160 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 285 transitions, 662 flow [2025-02-06 09:28:41,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:41,160 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:41,161 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:41,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 09:28:41,161 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:41,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:41,161 INFO L85 PathProgramCache]: Analyzing trace with hash -523222357, now seen corresponding path program 1 times [2025-02-06 09:28:41,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:41,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15546341] [2025-02-06 09:28:41,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:41,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:41,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-02-06 09:28:41,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-02-06 09:28:41,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:41,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:41,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:41,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:41,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15546341] [2025-02-06 09:28:41,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15546341] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:41,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:41,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:41,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324849613] [2025-02-06 09:28:41,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:41,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:41,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:41,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:41,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:41,213 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 325 [2025-02-06 09:28:41,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 285 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:41,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:41,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 325 [2025-02-06 09:28:41,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:41,287 INFO L124 PetriNetUnfolderBase]: 99/1287 cut-off events. [2025-02-06 09:28:41,287 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2025-02-06 09:28:41,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1574 conditions, 1287 events. 99/1287 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9019 event pairs, 4 based on Foata normal form. 0/1185 useless extension candidates. Maximal degree in co-relation 1349. Up to 43 conditions per place. [2025-02-06 09:28:41,294 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 10 selfloop transitions, 1 changer transitions 0/282 dead transitions. [2025-02-06 09:28:41,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 282 transitions, 678 flow [2025-02-06 09:28:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:41,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:41,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 923 transitions. [2025-02-06 09:28:41,296 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9466666666666667 [2025-02-06 09:28:41,296 INFO L175 Difference]: Start difference. First operand has 276 places, 285 transitions, 662 flow. Second operand 3 states and 923 transitions. [2025-02-06 09:28:41,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 282 transitions, 678 flow [2025-02-06 09:28:41,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 282 transitions, 674 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:41,300 INFO L231 Difference]: Finished difference. Result has 273 places, 282 transitions, 654 flow [2025-02-06 09:28:41,300 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=654, PETRI_PLACES=273, PETRI_TRANSITIONS=282} [2025-02-06 09:28:41,301 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -17 predicate places. [2025-02-06 09:28:41,301 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 282 transitions, 654 flow [2025-02-06 09:28:41,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:41,301 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:41,301 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:41,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 09:28:41,302 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2025-02-06 09:28:41,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:41,302 INFO L85 PathProgramCache]: Analyzing trace with hash 153462479, now seen corresponding path program 1 times [2025-02-06 09:28:41,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:41,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78224009] [2025-02-06 09:28:41,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:41,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:41,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 09:28:41,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 09:28:41,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:41,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:41,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:41,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:41,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78224009] [2025-02-06 09:28:41,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78224009] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:41,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:41,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:41,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612721300] [2025-02-06 09:28:41,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:41,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:41,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:41,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:41,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:41,349 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 325 [2025-02-06 09:28:41,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 282 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:41,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:41,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 325 [2025-02-06 09:28:41,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:41,410 INFO L124 PetriNetUnfolderBase]: 86/1049 cut-off events. [2025-02-06 09:28:41,410 INFO L125 PetriNetUnfolderBase]: For 12/14 co-relation queries the response was YES. [2025-02-06 09:28:41,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1265 conditions, 1049 events. 86/1049 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6374 event pairs, 4 based on Foata normal form. 2/970 useless extension candidates. Maximal degree in co-relation 1120. Up to 44 conditions per place. [2025-02-06 09:28:41,414 INFO L140 encePairwiseOnDemand]: 319/325 looper letters, 0 selfloop transitions, 0 changer transitions 281/281 dead transitions. [2025-02-06 09:28:41,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 281 transitions, 676 flow [2025-02-06 09:28:41,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:41,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2025-02-06 09:28:41,416 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9476923076923077 [2025-02-06 09:28:41,416 INFO L175 Difference]: Start difference. First operand has 273 places, 282 transitions, 654 flow. Second operand 3 states and 924 transitions. [2025-02-06 09:28:41,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 281 transitions, 676 flow [2025-02-06 09:28:41,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 281 transitions, 675 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:28:41,419 INFO L231 Difference]: Finished difference. Result has 271 places, 0 transitions, 0 flow [2025-02-06 09:28:41,419 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=271, PETRI_TRANSITIONS=0} [2025-02-06 09:28:41,419 INFO L279 CegarLoopForPetriNet]: 290 programPoint places, -19 predicate places. [2025-02-06 09:28:41,420 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 0 transitions, 0 flow [2025-02-06 09:28:41,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:28:41,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2025-02-06 09:28:41,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2025-02-06 09:28:41,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2025-02-06 09:28:41,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2025-02-06 09:28:41,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2025-02-06 09:28:41,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2025-02-06 09:28:41,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 09:28:41,425 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:41,429 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:28:41,429 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:28:41,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:28:41 BasicIcfg [2025-02-06 09:28:41,432 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:28:41,432 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:28:41,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:28:41,433 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:28:41,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:28:38" (3/4) ... [2025-02-06 09:28:41,434 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:28:41,436 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 09:28:41,436 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-06 09:28:41,439 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-02-06 09:28:41,439 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 09:28:41,439 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:28:41,439 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:28:41,489 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:28:41,489 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:28:41,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:28:41,490 INFO L158 Benchmark]: Toolchain (without parser) took 3493.00ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 105.2MB in the beginning and 119.9MB in the end (delta: -14.7MB). Peak memory consumption was 165.8MB. Max. memory is 16.1GB. [2025-02-06 09:28:41,490 INFO L158 Benchmark]: CDTParser took 4.19ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:28:41,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.96ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 93.4MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:28:41,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.00ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 91.8MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:28:41,490 INFO L158 Benchmark]: Boogie Preprocessor took 23.65ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 89.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:28:41,491 INFO L158 Benchmark]: IcfgBuilder took 372.74ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 67.6MB in the end (delta: 22.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:28:41,491 INFO L158 Benchmark]: TraceAbstraction took 2811.58ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 66.6MB in the beginning and 124.8MB in the end (delta: -58.2MB). Peak memory consumption was 123.8MB. Max. memory is 16.1GB. [2025-02-06 09:28:41,491 INFO L158 Benchmark]: Witness Printer took 56.73ms. Allocated memory is still 327.2MB. Free memory was 124.8MB in the beginning and 119.9MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:28:41,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.19ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.96ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 93.4MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.00ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 91.8MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.65ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 89.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 372.74ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 67.6MB in the end (delta: 22.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2811.58ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 66.6MB in the beginning and 124.8MB in the end (delta: -58.2MB). Peak memory consumption was 123.8MB. Max. memory is 16.1GB. * Witness Printer took 56.73ms. Allocated memory is still 327.2MB. Free memory was 124.8MB in the beginning and 119.9MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 484 locations, 56 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: 2.7s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 428 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 405 IncrementalHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 119 mSDtfsCounter, 405 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=666occurred in iteration=11, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 904 NumberOfCodeBlocks, 904 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 890 ConstructedInterpolants, 0 QuantifiedInterpolants, 916 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 09:28:41,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE