./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-lamport.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-lamport.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7641d1105b9de7b20c96680ae1baa82cbf27158c037dacb66ff49f347bd2fa94 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:54:15,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:54:15,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:54:16,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:54:16,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:54:16,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:54:16,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:54:16,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:54:16,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:54:16,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:54:16,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:54:16,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:54:16,021 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:54:16,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:54:16,022 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:54:16,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:54:16,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:54:16,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:54:16,023 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:54:16,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:54:16,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:54:16,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:54:16,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:54:16,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:54:16,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:54:16,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:54:16,023 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7641d1105b9de7b20c96680ae1baa82cbf27158c037dacb66ff49f347bd2fa94 [2025-03-04 06:54:16,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:54:16,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:54:16,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:54:16,262 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:54:16,262 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:54:16,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2025-03-04 06:54:17,403 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f0c17ff/b5eb1ff76bd544b5ab27c05d4ce80a1e/FLAGe3ea193f3 [2025-03-04 06:54:17,651 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:54:17,651 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2025-03-04 06:54:17,659 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f0c17ff/b5eb1ff76bd544b5ab27c05d4ce80a1e/FLAGe3ea193f3 [2025-03-04 06:54:17,971 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f0c17ff/b5eb1ff76bd544b5ab27c05d4ce80a1e [2025-03-04 06:54:17,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:54:17,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:54:17,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:54:17,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:54:17,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:54:17,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:54:17" (1/1) ... [2025-03-04 06:54:17,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4add3508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:17, skipping insertion in model container [2025-03-04 06:54:17,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:54:17" (1/1) ... [2025-03-04 06:54:17,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:54:18,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:54:18,141 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:54:18,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:54:18,186 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:54:18,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18 WrapperNode [2025-03-04 06:54:18,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:54:18,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:54:18,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:54:18,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:54:18,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18" (1/1) ... [2025-03-04 06:54:18,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18" (1/1) ... [2025-03-04 06:54:18,224 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 245 [2025-03-04 06:54:18,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:54:18,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:54:18,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:54:18,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:54:18,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18" (1/1) ... [2025-03-04 06:54:18,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18" (1/1) ... [2025-03-04 06:54:18,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18" (1/1) ... [2025-03-04 06:54:18,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18" (1/1) ... [2025-03-04 06:54:18,244 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18" (1/1) ... [2025-03-04 06:54:18,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18" (1/1) ... [2025-03-04 06:54:18,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18" (1/1) ... [2025-03-04 06:54:18,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18" (1/1) ... [2025-03-04 06:54:18,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:54:18,249 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:54:18,250 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:54:18,250 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:54:18,250 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18" (1/1) ... [2025-03-04 06:54:18,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:54:18,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:54:18,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 06:54:18,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 06:54:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:54:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-04 06:54:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-04 06:54:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-04 06:54:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-04 06:54:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-04 06:54:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-04 06:54:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:54:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 06:54:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 06:54:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:54:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:54:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 06:54:18,295 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 06:54:18,379 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:54:18,381 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:54:18,698 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:54:18,698 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:54:18,721 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:54:18,725 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:54:18,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:54:18 BoogieIcfgContainer [2025-03-04 06:54:18,726 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:54:18,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:54:18,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:54:18,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:54:18,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:54:17" (1/3) ... [2025-03-04 06:54:18,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b370008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:54:18, skipping insertion in model container [2025-03-04 06:54:18,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:54:18" (2/3) ... [2025-03-04 06:54:18,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b370008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:54:18, skipping insertion in model container [2025-03-04 06:54:18,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:54:18" (3/3) ... [2025-03-04 06:54:18,733 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2025-03-04 06:54:18,744 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:54:18,745 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-lamport.wvr.c that has 4 procedures, 282 locations, 1 initial locations, 1 loop locations, and 10 error locations. [2025-03-04 06:54:18,746 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:54:18,839 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-04 06:54:18,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 291 places, 295 transitions, 611 flow [2025-03-04 06:54:18,974 INFO L124 PetriNetUnfolderBase]: 14/292 cut-off events. [2025-03-04 06:54:18,977 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-04 06:54:18,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 292 events. 14/292 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 391 event pairs, 0 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 237. Up to 2 conditions per place. [2025-03-04 06:54:18,985 INFO L82 GeneralOperation]: Start removeDead. Operand has 291 places, 295 transitions, 611 flow [2025-03-04 06:54:18,991 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 272 places, 275 transitions, 565 flow [2025-03-04 06:54:18,999 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:54:19,011 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;@716e0d85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:54:19,013 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2025-03-04 06:54:19,027 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:54:19,027 INFO L124 PetriNetUnfolderBase]: 2/84 cut-off events. [2025-03-04 06:54:19,027 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:54:19,027 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:54:19,028 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] [2025-03-04 06:54:19,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-03-04 06:54:19,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:54:19,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1951777010, now seen corresponding path program 1 times [2025-03-04 06:54:19,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:54:19,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28463733] [2025-03-04 06:54:19,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:54:19,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:54:19,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 06:54:19,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 06:54:19,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:54:19,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:54:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:54:19,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:54:19,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28463733] [2025-03-04 06:54:19,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28463733] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:54:19,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:54:19,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:54:19,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611751700] [2025-03-04 06:54:19,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:54:19,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:54:19,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:54:19,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:54:19,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:54:19,915 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 295 [2025-03-04 06:54:19,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 275 transitions, 565 flow. Second operand has 6 states, 6 states have (on average 224.33333333333334) internal successors, (1346), 6 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:54:19,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:54:19,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 295 [2025-03-04 06:54:19,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:54:21,184 INFO L124 PetriNetUnfolderBase]: 2761/8665 cut-off events. [2025-03-04 06:54:21,184 INFO L125 PetriNetUnfolderBase]: For 529/529 co-relation queries the response was YES. [2025-03-04 06:54:21,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13445 conditions, 8665 events. 2761/8665 cut-off events. For 529/529 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 80821 event pairs, 2760 based on Foata normal form. 785/8426 useless extension candidates. Maximal degree in co-relation 13141. Up to 4373 conditions per place. [2025-03-04 06:54:21,239 INFO L140 encePairwiseOnDemand]: 277/295 looper letters, 52 selfloop transitions, 5 changer transitions 4/262 dead transitions. [2025-03-04 06:54:21,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 262 transitions, 653 flow [2025-03-04 06:54:21,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:54:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 06:54:21,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1402 transitions. [2025-03-04 06:54:21,257 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.792090395480226 [2025-03-04 06:54:21,258 INFO L175 Difference]: Start difference. First operand has 272 places, 275 transitions, 565 flow. Second operand 6 states and 1402 transitions. [2025-03-04 06:54:21,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 262 transitions, 653 flow [2025-03-04 06:54:21,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 262 transitions, 644 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-04 06:54:21,270 INFO L231 Difference]: Finished difference. Result has 271 places, 258 transitions, 532 flow [2025-03-04 06:54:21,272 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=532, PETRI_PLACES=271, PETRI_TRANSITIONS=258} [2025-03-04 06:54:21,275 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -1 predicate places. [2025-03-04 06:54:21,275 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 258 transitions, 532 flow [2025-03-04 06:54:21,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.33333333333334) internal successors, (1346), 6 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:54:21,276 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:54:21,277 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] [2025-03-04 06:54:21,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:54:21,277 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-03-04 06:54:21,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:54:21,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1519547281, now seen corresponding path program 1 times [2025-03-04 06:54:21,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:54:21,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362472306] [2025-03-04 06:54:21,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:54:21,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:54:21,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 06:54:21,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 06:54:21,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:54:21,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:54:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:54:21,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:54:21,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362472306] [2025-03-04 06:54:21,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362472306] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:54:21,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:54:21,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:54:21,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698373857] [2025-03-04 06:54:21,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:54:21,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:54:21,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:54:21,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:54:21,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:54:21,332 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 295 [2025-03-04 06:54:21,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 258 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:54:21,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:54:21,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 295 [2025-03-04 06:54:21,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:54:21,854 INFO L124 PetriNetUnfolderBase]: 688/3859 cut-off events. [2025-03-04 06:54:21,855 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2025-03-04 06:54:21,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5142 conditions, 3859 events. 688/3859 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 34680 event pairs, 687 based on Foata normal form. 0/3388 useless extension candidates. Maximal degree in co-relation 5124. Up to 1137 conditions per place. [2025-03-04 06:54:21,872 INFO L140 encePairwiseOnDemand]: 292/295 looper letters, 35 selfloop transitions, 2 changer transitions 0/257 dead transitions. [2025-03-04 06:54:21,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 257 transitions, 604 flow [2025-03-04 06:54:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:54:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:54:21,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 761 transitions. [2025-03-04 06:54:21,874 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8598870056497175 [2025-03-04 06:54:21,874 INFO L175 Difference]: Start difference. First operand has 271 places, 258 transitions, 532 flow. Second operand 3 states and 761 transitions. [2025-03-04 06:54:21,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 257 transitions, 604 flow [2025-03-04 06:54:21,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 257 transitions, 594 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-04 06:54:21,878 INFO L231 Difference]: Finished difference. Result has 263 places, 257 transitions, 524 flow [2025-03-04 06:54:21,879 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=524, PETRI_PLACES=263, PETRI_TRANSITIONS=257} [2025-03-04 06:54:21,880 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -9 predicate places. [2025-03-04 06:54:21,880 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 257 transitions, 524 flow [2025-03-04 06:54:21,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:54:21,881 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:54:21,881 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] [2025-03-04 06:54:21,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:54:21,881 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-03-04 06:54:21,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:54:21,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1502671158, now seen corresponding path program 1 times [2025-03-04 06:54:21,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:54:21,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413260812] [2025-03-04 06:54:21,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:54:21,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:54:21,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-04 06:54:21,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-04 06:54:21,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:54:21,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:54:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:54:21,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:54:21,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413260812] [2025-03-04 06:54:21,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413260812] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:54:21,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:54:21,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:54:21,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691160700] [2025-03-04 06:54:21,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:54:21,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:54:21,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:54:21,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:54:21,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:54:21,955 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 295 [2025-03-04 06:54:21,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 257 transitions, 524 flow. Second operand has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:54:21,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:54:21,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 295 [2025-03-04 06:54:21,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:54:22,628 INFO L124 PetriNetUnfolderBase]: 1197/5294 cut-off events. [2025-03-04 06:54:22,628 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES. [2025-03-04 06:54:22,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7404 conditions, 5294 events. 1197/5294 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 48484 event pairs, 538 based on Foata normal form. 0/4764 useless extension candidates. Maximal degree in co-relation 7305. Up to 1808 conditions per place. [2025-03-04 06:54:22,655 INFO L140 encePairwiseOnDemand]: 288/295 looper letters, 47 selfloop transitions, 3 changer transitions 0/266 dead transitions. [2025-03-04 06:54:22,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 266 transitions, 645 flow [2025-03-04 06:54:22,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:54:22,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:54:22,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 771 transitions. [2025-03-04 06:54:22,658 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8711864406779661 [2025-03-04 06:54:22,658 INFO L175 Difference]: Start difference. First operand has 263 places, 257 transitions, 524 flow. Second operand 3 states and 771 transitions. [2025-03-04 06:54:22,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 266 transitions, 645 flow [2025-03-04 06:54:22,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 266 transitions, 641 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:54:22,666 INFO L231 Difference]: Finished difference. Result has 260 places, 256 transitions, 533 flow [2025-03-04 06:54:22,668 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=533, PETRI_PLACES=260, PETRI_TRANSITIONS=256} [2025-03-04 06:54:22,668 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -12 predicate places. [2025-03-04 06:54:22,669 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 256 transitions, 533 flow [2025-03-04 06:54:22,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:54:22,669 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:54:22,669 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] [2025-03-04 06:54:22,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:54:22,670 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-03-04 06:54:22,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:54:22,671 INFO L85 PathProgramCache]: Analyzing trace with hash 270128525, now seen corresponding path program 1 times [2025-03-04 06:54:22,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:54:22,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8268866] [2025-03-04 06:54:22,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:54:22,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:54:22,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-04 06:54:22,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-04 06:54:22,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:54:22,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:54:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:54:22,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:54:22,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8268866] [2025-03-04 06:54:22,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8268866] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:54:22,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:54:22,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:54:22,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637773643] [2025-03-04 06:54:22,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:54:22,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:54:22,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:54:22,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:54:22,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:54:23,175 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 295 [2025-03-04 06:54:23,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 256 transitions, 533 flow. Second operand has 6 states, 6 states have (on average 236.33333333333334) internal successors, (1418), 6 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:54:23,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:54:23,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 295 [2025-03-04 06:54:23,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:54:23,670 INFO L124 PetriNetUnfolderBase]: 1397/4277 cut-off events. [2025-03-04 06:54:23,670 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2025-03-04 06:54:23,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6732 conditions, 4277 events. 1397/4277 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 34935 event pairs, 374 based on Foata normal form. 0/3908 useless extension candidates. Maximal degree in co-relation 5723. Up to 651 conditions per place. [2025-03-04 06:54:23,691 INFO L140 encePairwiseOnDemand]: 283/295 looper letters, 87 selfloop transitions, 10 changer transitions 4/310 dead transitions. [2025-03-04 06:54:23,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 310 transitions, 851 flow [2025-03-04 06:54:23,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:54:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 06:54:23,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1501 transitions. [2025-03-04 06:54:23,695 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8480225988700565 [2025-03-04 06:54:23,695 INFO L175 Difference]: Start difference. First operand has 260 places, 256 transitions, 533 flow. Second operand 6 states and 1501 transitions. [2025-03-04 06:54:23,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 310 transitions, 851 flow [2025-03-04 06:54:23,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 310 transitions, 851 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 06:54:23,699 INFO L231 Difference]: Finished difference. Result has 263 places, 254 transitions, 549 flow [2025-03-04 06:54:23,700 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=549, PETRI_PLACES=263, PETRI_TRANSITIONS=254} [2025-03-04 06:54:23,701 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -9 predicate places. [2025-03-04 06:54:23,701 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 254 transitions, 549 flow [2025-03-04 06:54:23,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 236.33333333333334) internal successors, (1418), 6 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:54:23,702 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:54:23,702 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] [2025-03-04 06:54:23,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 06:54:23,702 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-03-04 06:54:23,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:54:23,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1496183064, now seen corresponding path program 1 times [2025-03-04 06:54:23,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:54:23,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806813623] [2025-03-04 06:54:23,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:54:23,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:54:23,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-04 06:54:23,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-04 06:54:23,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:54:23,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:54:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:54:24,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:54:24,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806813623] [2025-03-04 06:54:24,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806813623] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:54:24,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:54:24,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:54:24,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319536106] [2025-03-04 06:54:24,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:54:24,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:54:24,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:54:24,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:54:24,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:54:24,233 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 295 [2025-03-04 06:54:24,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 254 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 242.66666666666666) internal successors, (1456), 6 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:54:24,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:54:24,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 295 [2025-03-04 06:54:24,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:54:24,569 INFO L124 PetriNetUnfolderBase]: 645/2883 cut-off events. [2025-03-04 06:54:24,569 INFO L125 PetriNetUnfolderBase]: For 231/231 co-relation queries the response was YES. [2025-03-04 06:54:24,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4460 conditions, 2883 events. 645/2883 cut-off events. For 231/231 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 24589 event pairs, 215 based on Foata normal form. 0/2615 useless extension candidates. Maximal degree in co-relation 3203. Up to 449 conditions per place. [2025-03-04 06:54:24,585 INFO L140 encePairwiseOnDemand]: 290/295 looper letters, 76 selfloop transitions, 4 changer transitions 0/293 dead transitions. [2025-03-04 06:54:24,585 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 293 transitions, 815 flow [2025-03-04 06:54:24,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:54:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 06:54:24,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1515 transitions. [2025-03-04 06:54:24,588 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8559322033898306 [2025-03-04 06:54:24,588 INFO L175 Difference]: Start difference. First operand has 263 places, 254 transitions, 549 flow. Second operand 6 states and 1515 transitions. [2025-03-04 06:54:24,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 293 transitions, 815 flow [2025-03-04 06:54:24,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 293 transitions, 779 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-04 06:54:24,592 INFO L231 Difference]: Finished difference. Result has 262 places, 253 transitions, 535 flow [2025-03-04 06:54:24,592 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=535, PETRI_PLACES=262, PETRI_TRANSITIONS=253} [2025-03-04 06:54:24,593 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -10 predicate places. [2025-03-04 06:54:24,593 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 253 transitions, 535 flow [2025-03-04 06:54:24,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 242.66666666666666) internal successors, (1456), 6 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:54:24,593 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:54:24,594 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:54:24,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 06:54:24,594 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2025-03-04 06:54:24,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:54:24,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1510414358, now seen corresponding path program 1 times [2025-03-04 06:54:24,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:54:24,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14420113] [2025-03-04 06:54:24,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:54:24,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:54:24,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-04 06:54:24,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-04 06:54:24,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:54:24,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:54:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:54:24,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:54:24,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14420113] [2025-03-04 06:54:24,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14420113] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:54:24,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:54:24,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:54:24,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919310129] [2025-03-04 06:54:24,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:54:24,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:54:24,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:54:24,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:54:24,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:54:25,157 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 295 [2025-03-04 06:54:25,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 253 transitions, 535 flow. Second operand has 6 states, 6 states have (on average 242.83333333333334) internal successors, (1457), 6 states have internal predecessors, (1457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:54:25,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:54:25,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 295 [2025-03-04 06:54:25,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:54:25,466 INFO L124 PetriNetUnfolderBase]: 677/2970 cut-off events. [2025-03-04 06:54:25,467 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2025-03-04 06:54:25,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4431 conditions, 2970 events. 677/2970 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 24916 event pairs, 256 based on Foata normal form. 0/2704 useless extension candidates. Maximal degree in co-relation 3160. Up to 447 conditions per place. [2025-03-04 06:54:25,478 INFO L140 encePairwiseOnDemand]: 290/295 looper letters, 0 selfloop transitions, 0 changer transitions 292/292 dead transitions. [2025-03-04 06:54:25,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 292 transitions, 785 flow [2025-03-04 06:54:25,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:54:25,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 06:54:25,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1515 transitions. [2025-03-04 06:54:25,481 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8559322033898306 [2025-03-04 06:54:25,481 INFO L175 Difference]: Start difference. First operand has 262 places, 253 transitions, 535 flow. Second operand 6 states and 1515 transitions. [2025-03-04 06:54:25,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 292 transitions, 785 flow [2025-03-04 06:54:25,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 292 transitions, 778 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-04 06:54:25,484 INFO L231 Difference]: Finished difference. Result has 262 places, 0 transitions, 0 flow [2025-03-04 06:54:25,485 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=262, PETRI_TRANSITIONS=0} [2025-03-04 06:54:25,485 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -10 predicate places. [2025-03-04 06:54:25,485 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 0 transitions, 0 flow [2025-03-04 06:54:25,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 242.83333333333334) internal successors, (1457), 6 states have internal predecessors, (1457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:54:25,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2025-03-04 06:54:25,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2025-03-04 06:54:25,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2025-03-04 06:54:25,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2025-03-04 06:54:25,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2025-03-04 06:54:25,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2025-03-04 06:54:25,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2025-03-04 06:54:25,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 06:54:25,491 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-04 06:54:25,495 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-04 06:54:25,495 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 06:54:25,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:54:25 BasicIcfg [2025-03-04 06:54:25,499 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 06:54:25,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 06:54:25,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 06:54:25,500 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 06:54:25,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:54:18" (3/4) ... [2025-03-04 06:54:25,502 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 06:54:25,504 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-04 06:54:25,504 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-04 06:54:25,504 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-04 06:54:25,506 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-04 06:54:25,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 06:54:25,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-04 06:54:25,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 06:54:25,567 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 06:54:25,567 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 06:54:25,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 06:54:25,568 INFO L158 Benchmark]: Toolchain (without parser) took 7594.61ms. Allocated memory was 167.8MB in the beginning and 562.0MB in the end (delta: 394.3MB). Free memory was 128.5MB in the beginning and 108.0MB in the end (delta: 20.5MB). Peak memory consumption was 410.3MB. Max. memory is 16.1GB. [2025-03-04 06:54:25,568 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:54:25,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.71ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 115.7MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:54:25,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.81ms. Allocated memory is still 167.8MB. Free memory was 115.7MB in the beginning and 113.6MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:54:25,569 INFO L158 Benchmark]: Boogie Preprocessor took 21.24ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 111.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:54:25,569 INFO L158 Benchmark]: IcfgBuilder took 476.22ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 85.5MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 06:54:25,569 INFO L158 Benchmark]: TraceAbstraction took 6771.60ms. Allocated memory was 167.8MB in the beginning and 562.0MB in the end (delta: 394.3MB). Free memory was 85.1MB in the beginning and 112.2MB in the end (delta: -27.1MB). Peak memory consumption was 368.3MB. Max. memory is 16.1GB. [2025-03-04 06:54:25,569 INFO L158 Benchmark]: Witness Printer took 67.74ms. Allocated memory is still 562.0MB. Free memory was 112.2MB in the beginning and 108.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:54:25,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.71ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 115.7MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.81ms. Allocated memory is still 167.8MB. Free memory was 115.7MB in the beginning and 113.6MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.24ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 111.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 476.22ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 85.5MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6771.60ms. Allocated memory was 167.8MB in the beginning and 562.0MB in the end (delta: 394.3MB). Free memory was 85.1MB in the beginning and 112.2MB in the end (delta: -27.1MB). Peak memory consumption was 368.3MB. Max. memory is 16.1GB. * Witness Printer took 67.74ms. Allocated memory is still 562.0MB. Free memory was 112.2MB in the beginning and 108.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 421 locations, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 617 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 404 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 177 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1447 IncrementalHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 177 mSolverCounterUnsat, 20 mSDtfsCounter, 1447 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=565occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 1.6s InterpolantComputationTime, 616 NumberOfCodeBlocks, 616 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 610 ConstructedInterpolants, 0 QuantifiedInterpolants, 1074 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 06:54:25,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE