./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-1_1-join.i --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/ldv-races/race-1_1-join.i -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 ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:14:59,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:15:00,048 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:15:00,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:15:00,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:15:00,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:15:00,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:15:00,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:15:00,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:15:00,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:15:00,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:15:00,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:15:00,075 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:15:00,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:15:00,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:15:00,076 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:15:00,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:15:00,076 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:15:00,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:15:00,077 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:15:00,077 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:15:00,077 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:15:00,077 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:15:00,077 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 -> ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 [2025-02-06 09:15:00,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:15:00,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:15:00,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:15:00,287 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:15:00,287 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:15:00,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_1-join.i [2025-02-06 09:15:01,426 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9de7325ea/ca09e9ef1e4041b1b4f47ec4b524182e/FLAGea3771e65 [2025-02-06 09:15:01,793 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:15:01,794 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2025-02-06 09:15:01,818 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9de7325ea/ca09e9ef1e4041b1b4f47ec4b524182e/FLAGea3771e65 [2025-02-06 09:15:02,019 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9de7325ea/ca09e9ef1e4041b1b4f47ec4b524182e [2025-02-06 09:15:02,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:15:02,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:15:02,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:15:02,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:15:02,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:15:02,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d89f267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02, skipping insertion in model container [2025-02-06 09:15:02,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,054 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:15:02,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:15:02,502 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:15:02,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:15:02,634 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:15:02,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02 WrapperNode [2025-02-06 09:15:02,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:15:02,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:15:02,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:15:02,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:15:02,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,674 INFO L138 Inliner]: procedures = 481, calls = 25, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 128 [2025-02-06 09:15:02,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:15:02,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:15:02,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:15:02,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:15:02,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,692 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:15:02,699 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:15:02,699 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:15:02,699 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:15:02,700 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02" (1/1) ... [2025-02-06 09:15:02,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:15:02,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:15:02,730 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 09:15:02,732 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 09:15:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 09:15:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-06 09:15:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:15:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 09:15:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:15:02,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:15:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 09:15:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-06 09:15:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:15:02,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:15:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:15:02,750 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 09:15:02,927 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:15:02,929 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:15:03,079 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:15:03,079 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:15:03,092 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:15:03,093 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:15:03,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:15:03 BoogieIcfgContainer [2025-02-06 09:15:03,093 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:15:03,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:15:03,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:15:03,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:15:03,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:15:02" (1/3) ... [2025-02-06 09:15:03,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f12f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:15:03, skipping insertion in model container [2025-02-06 09:15:03,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:15:02" (2/3) ... [2025-02-06 09:15:03,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f12f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:15:03, skipping insertion in model container [2025-02-06 09:15:03,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:15:03" (3/3) ... [2025-02-06 09:15:03,100 INFO L128 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2025-02-06 09:15:03,110 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:15:03,112 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-1_1-join.i that has 2 procedures, 148 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2025-02-06 09:15:03,112 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:15:03,156 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-06 09:15:03,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 157 transitions, 321 flow [2025-02-06 09:15:03,229 INFO L124 PetriNetUnfolderBase]: 9/172 cut-off events. [2025-02-06 09:15:03,231 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:15:03,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 172 events. 9/172 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 297 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2025-02-06 09:15:03,235 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 157 transitions, 321 flow [2025-02-06 09:15:03,239 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 139 transitions, 284 flow [2025-02-06 09:15:03,248 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:15:03,259 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;@6da92f21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:15:03,259 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-02-06 09:15:03,264 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:15:03,264 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2025-02-06 09:15:03,264 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:15:03,264 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:15:03,264 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:15:03,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-06 09:15:03,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:15:03,268 INFO L85 PathProgramCache]: Analyzing trace with hash -258018233, now seen corresponding path program 1 times [2025-02-06 09:15:03,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:15:03,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514556476] [2025-02-06 09:15:03,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:15:03,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:15:03,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 09:15:03,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 09:15:03,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:15:03,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:15:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:15:03,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:15:03,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514556476] [2025-02-06 09:15:03,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514556476] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:15:03,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:15:03,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:15:03,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520865551] [2025-02-06 09:15:03,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:15:03,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:15:03,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:15:03,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:15:03,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:15:03,639 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2025-02-06 09:15:03,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 139 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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 09:15:03,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:15:03,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2025-02-06 09:15:03,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:15:03,709 INFO L124 PetriNetUnfolderBase]: 4/170 cut-off events. [2025-02-06 09:15:03,709 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:15:03,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 170 events. 4/170 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 394 event pairs, 4 based on Foata normal form. 8/159 useless extension candidates. Maximal degree in co-relation 86. Up to 25 conditions per place. [2025-02-06 09:15:03,711 INFO L140 encePairwiseOnDemand]: 148/157 looper letters, 15 selfloop transitions, 2 changer transitions 6/126 dead transitions. [2025-02-06 09:15:03,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 126 transitions, 292 flow [2025-02-06 09:15:03,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:15:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:15:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 405 transitions. [2025-02-06 09:15:03,723 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8598726114649682 [2025-02-06 09:15:03,724 INFO L175 Difference]: Start difference. First operand has 136 places, 139 transitions, 284 flow. Second operand 3 states and 405 transitions. [2025-02-06 09:15:03,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 126 transitions, 292 flow [2025-02-06 09:15:03,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 126 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:15:03,731 INFO L231 Difference]: Finished difference. Result has 129 places, 120 transitions, 246 flow [2025-02-06 09:15:03,734 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=129, PETRI_TRANSITIONS=120} [2025-02-06 09:15:03,737 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -7 predicate places. [2025-02-06 09:15:03,737 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 120 transitions, 246 flow [2025-02-06 09:15:03,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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 09:15:03,738 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:15:03,738 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:15:03,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:15:03,739 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-06 09:15:03,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:15:03,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1370534025, now seen corresponding path program 1 times [2025-02-06 09:15:03,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:15:03,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354325740] [2025-02-06 09:15:03,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:15:03,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:15:03,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 09:15:03,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 09:15:03,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:15:03,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:15:03,834 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 09:15:03,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:15:03,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354325740] [2025-02-06 09:15:03,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354325740] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:15:03,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:15:03,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:15:03,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787518371] [2025-02-06 09:15:03,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:15:03,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:15:03,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:15:03,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:15:03,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:15:03,872 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 157 [2025-02-06 09:15:03,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 120 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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 09:15:03,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:15:03,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 157 [2025-02-06 09:15:03,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:15:03,901 INFO L124 PetriNetUnfolderBase]: 0/132 cut-off events. [2025-02-06 09:15:03,902 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:15:03,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 132 events. 0/132 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 211 event pairs, 0 based on Foata normal form. 1/123 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2025-02-06 09:15:03,902 INFO L140 encePairwiseOnDemand]: 146/157 looper letters, 8 selfloop transitions, 6 changer transitions 3/116 dead transitions. [2025-02-06 09:15:03,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 116 transitions, 268 flow [2025-02-06 09:15:03,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:15:03,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:15:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2025-02-06 09:15:03,904 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8365180467091295 [2025-02-06 09:15:03,904 INFO L175 Difference]: Start difference. First operand has 129 places, 120 transitions, 246 flow. Second operand 3 states and 394 transitions. [2025-02-06 09:15:03,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 116 transitions, 268 flow [2025-02-06 09:15:03,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 116 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:15:03,910 INFO L231 Difference]: Finished difference. Result has 119 places, 113 transitions, 240 flow [2025-02-06 09:15:03,910 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=119, PETRI_TRANSITIONS=113} [2025-02-06 09:15:03,910 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -17 predicate places. [2025-02-06 09:15:03,910 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 113 transitions, 240 flow [2025-02-06 09:15:03,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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 09:15:03,911 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:15:03,911 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] [2025-02-06 09:15:03,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:15:03,911 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-06 09:15:03,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:15:03,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1481662211, now seen corresponding path program 1 times [2025-02-06 09:15:03,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:15:03,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230337535] [2025-02-06 09:15:03,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:15:03,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:15:03,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 09:15:03,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 09:15:03,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:15:03,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:15:04,007 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 09:15:04,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:15:04,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230337535] [2025-02-06 09:15:04,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230337535] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:15:04,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:15:04,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:15:04,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284146935] [2025-02-06 09:15:04,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:15:04,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:15:04,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:15:04,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:15:04,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:15:04,057 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2025-02-06 09:15:04,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 113 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 09:15:04,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:15:04,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2025-02-06 09:15:04,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:15:04,082 INFO L124 PetriNetUnfolderBase]: 4/155 cut-off events. [2025-02-06 09:15:04,083 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-06 09:15:04,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 155 events. 4/155 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 348 event pairs, 4 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 60. Up to 24 conditions per place. [2025-02-06 09:15:04,085 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 14 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2025-02-06 09:15:04,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 112 transitions, 270 flow [2025-02-06 09:15:04,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:15:04,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:15:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 398 transitions. [2025-02-06 09:15:04,087 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8450106157112527 [2025-02-06 09:15:04,087 INFO L175 Difference]: Start difference. First operand has 119 places, 113 transitions, 240 flow. Second operand 3 states and 398 transitions. [2025-02-06 09:15:04,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 112 transitions, 270 flow [2025-02-06 09:15:04,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:15:04,088 INFO L231 Difference]: Finished difference. Result has 115 places, 112 transitions, 230 flow [2025-02-06 09:15:04,089 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=115, PETRI_TRANSITIONS=112} [2025-02-06 09:15:04,089 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -21 predicate places. [2025-02-06 09:15:04,089 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 112 transitions, 230 flow [2025-02-06 09:15:04,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 09:15:04,092 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:15:04,092 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:15:04,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:15:04,092 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-06 09:15:04,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:15:04,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1560719977, now seen corresponding path program 1 times [2025-02-06 09:15:04,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:15:04,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126171113] [2025-02-06 09:15:04,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:15:04,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:15:04,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 09:15:04,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 09:15:04,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:15:04,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:15:04,194 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 09:15:04,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:15:04,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126171113] [2025-02-06 09:15:04,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126171113] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:15:04,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:15:04,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:15:04,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523034385] [2025-02-06 09:15:04,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:15:04,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:15:04,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:15:04,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:15:04,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:15:04,209 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 157 [2025-02-06 09:15:04,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 112 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 09:15:04,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:15:04,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 157 [2025-02-06 09:15:04,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:15:04,237 INFO L124 PetriNetUnfolderBase]: 6/171 cut-off events. [2025-02-06 09:15:04,237 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:15:04,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 171 events. 6/171 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 412 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 167. Up to 21 conditions per place. [2025-02-06 09:15:04,238 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 11 selfloop transitions, 2 changer transitions 0/113 dead transitions. [2025-02-06 09:15:04,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 113 transitions, 258 flow [2025-02-06 09:15:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:15:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:15:04,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 413 transitions. [2025-02-06 09:15:04,240 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8768577494692145 [2025-02-06 09:15:04,240 INFO L175 Difference]: Start difference. First operand has 115 places, 112 transitions, 230 flow. Second operand 3 states and 413 transitions. [2025-02-06 09:15:04,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 113 transitions, 258 flow [2025-02-06 09:15:04,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 113 transitions, 254 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:15:04,243 INFO L231 Difference]: Finished difference. Result has 114 places, 111 transitions, 228 flow [2025-02-06 09:15:04,243 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=114, PETRI_TRANSITIONS=111} [2025-02-06 09:15:04,243 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -22 predicate places. [2025-02-06 09:15:04,243 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 111 transitions, 228 flow [2025-02-06 09:15:04,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 09:15:04,244 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:15:04,244 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] [2025-02-06 09:15:04,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:15:04,244 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-06 09:15:04,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:15:04,244 INFO L85 PathProgramCache]: Analyzing trace with hash 403875054, now seen corresponding path program 1 times [2025-02-06 09:15:04,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:15:04,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173281431] [2025-02-06 09:15:04,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:15:04,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:15:04,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 09:15:04,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 09:15:04,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:15:04,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:15:04,310 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 09:15:04,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:15:04,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173281431] [2025-02-06 09:15:04,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173281431] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:15:04,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:15:04,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:15:04,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454120911] [2025-02-06 09:15:04,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:15:04,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:15:04,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:15:04,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:15:04,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:15:04,344 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 157 [2025-02-06 09:15:04,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 111 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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 09:15:04,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:15:04,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 157 [2025-02-06 09:15:04,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:15:04,360 INFO L124 PetriNetUnfolderBase]: 0/126 cut-off events. [2025-02-06 09:15:04,360 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:15:04,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 126 events. 0/126 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 196 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2025-02-06 09:15:04,364 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 12 selfloop transitions, 2 changer transitions 6/110 dead transitions. [2025-02-06 09:15:04,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 110 transitions, 254 flow [2025-02-06 09:15:04,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:15:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:15:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 402 transitions. [2025-02-06 09:15:04,366 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8535031847133758 [2025-02-06 09:15:04,366 INFO L175 Difference]: Start difference. First operand has 114 places, 111 transitions, 228 flow. Second operand 3 states and 402 transitions. [2025-02-06 09:15:04,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 110 transitions, 254 flow [2025-02-06 09:15:04,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 110 transitions, 250 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:15:04,368 INFO L231 Difference]: Finished difference. Result has 113 places, 104 transitions, 214 flow [2025-02-06 09:15:04,368 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=113, PETRI_TRANSITIONS=104} [2025-02-06 09:15:04,369 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -23 predicate places. [2025-02-06 09:15:04,369 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 104 transitions, 214 flow [2025-02-06 09:15:04,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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 09:15:04,369 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:15:04,369 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 09:15:04,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:15:04,370 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-06 09:15:04,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:15:04,370 INFO L85 PathProgramCache]: Analyzing trace with hash -39402691, now seen corresponding path program 1 times [2025-02-06 09:15:04,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:15:04,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158627941] [2025-02-06 09:15:04,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:15:04,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:15:04,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 09:15:04,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 09:15:04,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:15:04,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:15:04,424 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 09:15:04,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:15:04,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158627941] [2025-02-06 09:15:04,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158627941] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:15:04,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:15:04,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:15:04,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541777626] [2025-02-06 09:15:04,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:15:04,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:15:04,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:15:04,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:15:04,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:15:04,435 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 157 [2025-02-06 09:15:04,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 104 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 09:15:04,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:15:04,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 157 [2025-02-06 09:15:04,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:15:04,450 INFO L124 PetriNetUnfolderBase]: 4/123 cut-off events. [2025-02-06 09:15:04,450 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2025-02-06 09:15:04,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 123 events. 4/123 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 154 event pairs, 1 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 103. Up to 13 conditions per place. [2025-02-06 09:15:04,451 INFO L140 encePairwiseOnDemand]: 155/157 looper letters, 8 selfloop transitions, 1 changer transitions 19/105 dead transitions. [2025-02-06 09:15:04,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 105 transitions, 234 flow [2025-02-06 09:15:04,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:15:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:15:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2025-02-06 09:15:04,452 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8938428874734607 [2025-02-06 09:15:04,452 INFO L175 Difference]: Start difference. First operand has 113 places, 104 transitions, 214 flow. Second operand 3 states and 421 transitions. [2025-02-06 09:15:04,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 105 transitions, 234 flow [2025-02-06 09:15:04,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 105 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:15:04,454 INFO L231 Difference]: Finished difference. Result has 106 places, 84 transitions, 172 flow [2025-02-06 09:15:04,454 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=106, PETRI_TRANSITIONS=84} [2025-02-06 09:15:04,454 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -30 predicate places. [2025-02-06 09:15:04,455 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 84 transitions, 172 flow [2025-02-06 09:15:04,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 09:15:04,455 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:15:04,455 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:15:04,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:15:04,455 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-06 09:15:04,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:15:04,456 INFO L85 PathProgramCache]: Analyzing trace with hash 663201211, now seen corresponding path program 1 times [2025-02-06 09:15:04,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:15:04,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307553216] [2025-02-06 09:15:04,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:15:04,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:15:04,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-06 09:15:04,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-06 09:15:04,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:15:04,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:15:04,528 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 09:15:04,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:15:04,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307553216] [2025-02-06 09:15:04,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307553216] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:15:04,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:15:04,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:15:04,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830651945] [2025-02-06 09:15:04,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:15:04,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:15:04,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:15:04,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:15:04,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:15:04,570 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2025-02-06 09:15:04,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 84 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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 09:15:04,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:15:04,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2025-02-06 09:15:04,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:15:04,582 INFO L124 PetriNetUnfolderBase]: 4/106 cut-off events. [2025-02-06 09:15:04,582 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:15:04,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 106 events. 4/106 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 109 event pairs, 4 based on Foata normal form. 1/104 useless extension candidates. Maximal degree in co-relation 115. Up to 19 conditions per place. [2025-02-06 09:15:04,583 INFO L140 encePairwiseOnDemand]: 155/157 looper letters, 0 selfloop transitions, 0 changer transitions 83/83 dead transitions. [2025-02-06 09:15:04,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 83 transitions, 192 flow [2025-02-06 09:15:04,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:15:04,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:15:04,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2025-02-06 09:15:04,584 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8343949044585988 [2025-02-06 09:15:04,584 INFO L175 Difference]: Start difference. First operand has 106 places, 84 transitions, 172 flow. Second operand 3 states and 393 transitions. [2025-02-06 09:15:04,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 83 transitions, 192 flow [2025-02-06 09:15:04,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 83 transitions, 191 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:15:04,585 INFO L231 Difference]: Finished difference. Result has 88 places, 0 transitions, 0 flow [2025-02-06 09:15:04,585 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=88, PETRI_TRANSITIONS=0} [2025-02-06 09:15:04,585 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -48 predicate places. [2025-02-06 09:15:04,585 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 0 transitions, 0 flow [2025-02-06 09:15:04,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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 09:15:04,587 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2025-02-06 09:15:04,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2025-02-06 09:15:04,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2025-02-06 09:15:04,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2025-02-06 09:15:04,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2025-02-06 09:15:04,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2025-02-06 09:15:04,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2025-02-06 09:15:04,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2025-02-06 09:15:04,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2025-02-06 09:15:04,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2025-02-06 09:15:04,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining) [2025-02-06 09:15:04,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2025-02-06 09:15:04,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2025-02-06 09:15:04,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:15:04,588 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:15:04,592 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:15:04,592 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:15:04,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:15:04 BasicIcfg [2025-02-06 09:15:04,595 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:15:04,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:15:04,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:15:04,596 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:15:04,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:15:03" (3/4) ... [2025-02-06 09:15:04,598 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:15:04,600 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 09:15:04,603 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-02-06 09:15:04,603 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 09:15:04,603 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:15:04,604 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:15:04,668 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:15:04,668 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:15:04,668 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:15:04,669 INFO L158 Benchmark]: Toolchain (without parser) took 2646.99ms. Allocated memory is still 201.3MB. Free memory was 157.0MB in the beginning and 159.8MB in the end (delta: -2.8MB). Peak memory consumption was 104.6MB. Max. memory is 16.1GB. [2025-02-06 09:15:04,669 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:15:04,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.12ms. Allocated memory is still 201.3MB. Free memory was 156.6MB in the beginning and 102.6MB in the end (delta: 54.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-06 09:15:04,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.72ms. Allocated memory is still 201.3MB. Free memory was 102.6MB in the beginning and 99.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:15:04,669 INFO L158 Benchmark]: Boogie Preprocessor took 24.12ms. Allocated memory is still 201.3MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:15:04,670 INFO L158 Benchmark]: IcfgBuilder took 393.97ms. Allocated memory is still 201.3MB. Free memory was 97.7MB in the beginning and 75.7MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 09:15:04,670 INFO L158 Benchmark]: TraceAbstraction took 1500.59ms. Allocated memory is still 201.3MB. Free memory was 75.3MB in the beginning and 64.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2025-02-06 09:15:04,670 INFO L158 Benchmark]: Witness Printer took 72.24ms. Allocated memory is still 201.3MB. Free memory was 64.3MB in the beginning and 159.8MB in the end (delta: -95.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:15:04,671 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 612.12ms. Allocated memory is still 201.3MB. Free memory was 156.6MB in the beginning and 102.6MB in the end (delta: 54.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.72ms. Allocated memory is still 201.3MB. Free memory was 102.6MB in the beginning and 99.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.12ms. Allocated memory is still 201.3MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 393.97ms. Allocated memory is still 201.3MB. Free memory was 97.7MB in the beginning and 75.7MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1500.59ms. Allocated memory is still 201.3MB. Free memory was 75.3MB in the beginning and 64.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Witness Printer took 72.24ms. Allocated memory is still 201.3MB. Free memory was 64.3MB in the beginning and 159.8MB in the end (delta: -95.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: 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 3 procedures, 177 locations, 13 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: 1.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 286 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 291 IncrementalHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 35 mSDtfsCounter, 291 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2025-02-06 09:15:04,685 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