./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-time-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:29:40,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:29:40,278 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:29:40,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:29:40,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:29:40,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:29:40,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:29:40,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:29:40,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:29:40,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:29:40,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:29:40,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:29:40,300 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:29:40,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:29:40,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:29:40,301 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:29:40,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:29:40,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:29:40,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:29:40,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:29:40,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:29:40,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:29:40,301 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:29:40,301 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:29:40,301 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:29:40,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:29:40,302 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:29:40,302 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:29:40,302 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:29:40,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:29:40,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:29:40,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:29:40,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:29:40,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:29:40,302 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:29:40,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:29:40,303 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:29:40,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:29:40,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:29:40,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:29:40,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:29:40,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:29:40,303 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 -> afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 [2025-02-06 09:29:40,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:29:40,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:29:40,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:29:40,553 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:29:40,554 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:29:40,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2025-02-06 09:29:41,702 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ce0fa05c/73e8b3bfcbfa461b94e7160181e93652/FLAGaf2b31727 [2025-02-06 09:29:41,941 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:29:41,942 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2025-02-06 09:29:41,953 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ce0fa05c/73e8b3bfcbfa461b94e7160181e93652/FLAGaf2b31727 [2025-02-06 09:29:42,296 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ce0fa05c/73e8b3bfcbfa461b94e7160181e93652 [2025-02-06 09:29:42,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:29:42,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:29:42,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:29:42,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:29:42,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:29:42,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3466a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42, skipping insertion in model container [2025-02-06 09:29:42,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:29:42,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:29:42,459 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:29:42,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:29:42,490 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:29:42,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42 WrapperNode [2025-02-06 09:29:42,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:29:42,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:29:42,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:29:42,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:29:42,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,523 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 10, calls inlined = 16, statements flattened = 225 [2025-02-06 09:29:42,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:29:42,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:29:42,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:29:42,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:29:42,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,539 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:29:42,552 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:29:42,552 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:29:42,552 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:29:42,553 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42" (1/1) ... [2025-02-06 09:29:42,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:29:42,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:29:42,581 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 09:29:42,589 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 09:29:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:29:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:29:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:29:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:29:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:29:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:29:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 09:29:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 09:29:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:29:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:29:42,604 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 09:29:42,681 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:29:42,682 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:29:42,944 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:29:42,944 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:29:43,138 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:29:43,138 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:29:43,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:29:43 BoogieIcfgContainer [2025-02-06 09:29:43,139 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:29:43,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:29:43,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:29:43,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:29:43,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:29:42" (1/3) ... [2025-02-06 09:29:43,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac57efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:29:43, skipping insertion in model container [2025-02-06 09:29:43,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:42" (2/3) ... [2025-02-06 09:29:43,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac57efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:29:43, skipping insertion in model container [2025-02-06 09:29:43,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:29:43" (3/3) ... [2025-02-06 09:29:43,147 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2025-02-06 09:29:43,160 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:29:43,162 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-time-symm.wvr.c that has 3 procedures, 146 locations, 1 initial locations, 0 loop locations, and 26 error locations. [2025-02-06 09:29:43,162 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:29:43,219 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:29:43,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 148 transitions, 310 flow [2025-02-06 09:29:43,306 INFO L124 PetriNetUnfolderBase]: 3/146 cut-off events. [2025-02-06 09:29:43,309 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:29:43,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 146 events. 3/146 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 134 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2025-02-06 09:29:43,312 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 148 transitions, 310 flow [2025-02-06 09:29:43,317 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 124 transitions, 260 flow [2025-02-06 09:29:43,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:29:43,332 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;@d1bc534, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:29:43,333 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2025-02-06 09:29:43,336 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:29:43,337 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-02-06 09:29:43,337 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:29:43,337 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:43,337 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:43,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2025-02-06 09:29:43,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:43,341 INFO L85 PathProgramCache]: Analyzing trace with hash -381207311, now seen corresponding path program 1 times [2025-02-06 09:29:43,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:43,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216693837] [2025-02-06 09:29:43,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:43,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:43,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 09:29:43,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 09:29:43,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:43,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:43,447 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 09:29:43,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:43,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216693837] [2025-02-06 09:29:43,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216693837] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:43,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:43,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:43,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506966567] [2025-02-06 09:29:43,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:43,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:43,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:43,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:43,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:43,483 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2025-02-06 09:29:43,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 124 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 09:29:43,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:43,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2025-02-06 09:29:43,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:43,517 INFO L124 PetriNetUnfolderBase]: 4/117 cut-off events. [2025-02-06 09:29:43,518 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-02-06 09:29:43,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 117 events. 4/117 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 35. Up to 16 conditions per place. [2025-02-06 09:29:43,519 INFO L140 encePairwiseOnDemand]: 129/148 looper letters, 9 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2025-02-06 09:29:43,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 107 transitions, 248 flow [2025-02-06 09:29:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:43,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2025-02-06 09:29:43,528 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8536036036036037 [2025-02-06 09:29:43,529 INFO L175 Difference]: Start difference. First operand has 130 places, 124 transitions, 260 flow. Second operand 3 states and 379 transitions. [2025-02-06 09:29:43,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 107 transitions, 248 flow [2025-02-06 09:29:43,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 107 transitions, 240 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 09:29:43,535 INFO L231 Difference]: Finished difference. Result has 111 places, 107 transitions, 222 flow [2025-02-06 09:29:43,537 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=111, PETRI_TRANSITIONS=107} [2025-02-06 09:29:43,539 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -19 predicate places. [2025-02-06 09:29:43,540 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 107 transitions, 222 flow [2025-02-06 09:29:43,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 09:29:43,540 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:43,540 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:43,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:29:43,541 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2025-02-06 09:29:43,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:43,541 INFO L85 PathProgramCache]: Analyzing trace with hash 335227787, now seen corresponding path program 1 times [2025-02-06 09:29:43,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:43,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116705565] [2025-02-06 09:29:43,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:43,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:43,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 09:29:43,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 09:29:43,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:43,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:43,578 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 09:29:43,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:43,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116705565] [2025-02-06 09:29:43,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116705565] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:43,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:43,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:43,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550704074] [2025-02-06 09:29:43,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:43,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:43,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:43,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:43,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:43,587 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2025-02-06 09:29:43,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 107 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 09:29:43,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:43,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2025-02-06 09:29:43,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:43,611 INFO L124 PetriNetUnfolderBase]: 4/116 cut-off events. [2025-02-06 09:29:43,612 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:29:43,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 116 events. 4/116 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 111. Up to 16 conditions per place. [2025-02-06 09:29:43,612 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 9 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2025-02-06 09:29:43,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 106 transitions, 242 flow [2025-02-06 09:29:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2025-02-06 09:29:43,614 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8175675675675675 [2025-02-06 09:29:43,614 INFO L175 Difference]: Start difference. First operand has 111 places, 107 transitions, 222 flow. Second operand 3 states and 363 transitions. [2025-02-06 09:29:43,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 106 transitions, 242 flow [2025-02-06 09:29:43,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 106 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:43,616 INFO L231 Difference]: Finished difference. Result has 110 places, 106 transitions, 220 flow [2025-02-06 09:29:43,616 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=110, PETRI_TRANSITIONS=106} [2025-02-06 09:29:43,617 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -20 predicate places. [2025-02-06 09:29:43,617 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 106 transitions, 220 flow [2025-02-06 09:29:43,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 09:29:43,617 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:43,617 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:43,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:29:43,618 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2025-02-06 09:29:43,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:43,618 INFO L85 PathProgramCache]: Analyzing trace with hash -795534435, now seen corresponding path program 1 times [2025-02-06 09:29:43,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:43,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939550089] [2025-02-06 09:29:43,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:43,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:43,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 09:29:43,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 09:29:43,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:43,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:43,647 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 09:29:43,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:43,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939550089] [2025-02-06 09:29:43,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939550089] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:43,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:43,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:43,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722659198] [2025-02-06 09:29:43,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:43,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:43,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:43,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:43,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:43,657 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2025-02-06 09:29:43,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 106 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 09:29:43,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:43,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2025-02-06 09:29:43,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:43,710 INFO L124 PetriNetUnfolderBase]: 4/115 cut-off events. [2025-02-06 09:29:43,710 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:29:43,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 115 events. 4/115 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 102. Up to 16 conditions per place. [2025-02-06 09:29:43,711 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 9 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2025-02-06 09:29:43,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 105 transitions, 240 flow [2025-02-06 09:29:43,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:43,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2025-02-06 09:29:43,712 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8175675675675675 [2025-02-06 09:29:43,712 INFO L175 Difference]: Start difference. First operand has 110 places, 106 transitions, 220 flow. Second operand 3 states and 363 transitions. [2025-02-06 09:29:43,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 105 transitions, 240 flow [2025-02-06 09:29:43,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 105 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:43,714 INFO L231 Difference]: Finished difference. Result has 109 places, 105 transitions, 218 flow [2025-02-06 09:29:43,714 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=109, PETRI_TRANSITIONS=105} [2025-02-06 09:29:43,715 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -21 predicate places. [2025-02-06 09:29:43,715 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 105 transitions, 218 flow [2025-02-06 09:29:43,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 09:29:43,715 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:43,715 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:43,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:29:43,716 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2025-02-06 09:29:43,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:43,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1998977208, now seen corresponding path program 1 times [2025-02-06 09:29:43,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:43,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901343309] [2025-02-06 09:29:43,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:43,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:43,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 09:29:43,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 09:29:43,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:43,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:43,761 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 09:29:43,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:43,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901343309] [2025-02-06 09:29:43,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901343309] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:43,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:43,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:43,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104631882] [2025-02-06 09:29:43,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:43,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:43,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:43,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:43,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:43,779 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2025-02-06 09:29:43,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 105 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 09:29:43,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:43,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2025-02-06 09:29:43,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:43,816 INFO L124 PetriNetUnfolderBase]: 4/114 cut-off events. [2025-02-06 09:29:43,817 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:29:43,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 114 events. 4/114 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 93. Up to 16 conditions per place. [2025-02-06 09:29:43,819 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 9 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2025-02-06 09:29:43,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 104 transitions, 238 flow [2025-02-06 09:29:43,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2025-02-06 09:29:43,820 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8175675675675675 [2025-02-06 09:29:43,821 INFO L175 Difference]: Start difference. First operand has 109 places, 105 transitions, 218 flow. Second operand 3 states and 363 transitions. [2025-02-06 09:29:43,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 104 transitions, 238 flow [2025-02-06 09:29:43,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 104 transitions, 234 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:43,826 INFO L231 Difference]: Finished difference. Result has 108 places, 104 transitions, 216 flow [2025-02-06 09:29:43,826 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=108, PETRI_TRANSITIONS=104} [2025-02-06 09:29:43,826 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -22 predicate places. [2025-02-06 09:29:43,826 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 104 transitions, 216 flow [2025-02-06 09:29:43,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 09:29:43,827 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:43,827 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] [2025-02-06 09:29:43,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:29:43,827 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2025-02-06 09:29:43,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:43,827 INFO L85 PathProgramCache]: Analyzing trace with hash -619854734, now seen corresponding path program 1 times [2025-02-06 09:29:43,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:43,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861119022] [2025-02-06 09:29:43,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:43,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:43,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 09:29:43,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 09:29:43,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:43,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:43,862 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 09:29:43,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:43,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861119022] [2025-02-06 09:29:43,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861119022] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:43,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:43,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:43,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534254562] [2025-02-06 09:29:43,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:43,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:43,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:43,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:43,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:43,876 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 148 [2025-02-06 09:29:43,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 104 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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 09:29:43,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:43,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 148 [2025-02-06 09:29:43,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:43,907 INFO L124 PetriNetUnfolderBase]: 4/113 cut-off events. [2025-02-06 09:29:43,907 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:29:43,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 113 events. 4/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 86. Up to 18 conditions per place. [2025-02-06 09:29:43,908 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 11 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2025-02-06 09:29:43,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 103 transitions, 240 flow [2025-02-06 09:29:43,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:43,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:43,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2025-02-06 09:29:43,909 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8085585585585585 [2025-02-06 09:29:43,909 INFO L175 Difference]: Start difference. First operand has 108 places, 104 transitions, 216 flow. Second operand 3 states and 359 transitions. [2025-02-06 09:29:43,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 103 transitions, 240 flow [2025-02-06 09:29:43,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 103 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:43,911 INFO L231 Difference]: Finished difference. Result has 107 places, 103 transitions, 214 flow [2025-02-06 09:29:43,911 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=107, PETRI_TRANSITIONS=103} [2025-02-06 09:29:43,912 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -23 predicate places. [2025-02-06 09:29:43,912 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 103 transitions, 214 flow [2025-02-06 09:29:43,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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 09:29:43,912 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:43,912 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] [2025-02-06 09:29:43,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:29:43,912 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2025-02-06 09:29:43,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:43,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1487361668, now seen corresponding path program 1 times [2025-02-06 09:29:43,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:43,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699607403] [2025-02-06 09:29:43,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:43,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:43,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 09:29:43,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 09:29:43,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:43,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:43,949 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 09:29:43,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:43,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699607403] [2025-02-06 09:29:43,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699607403] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:43,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:43,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:43,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842167906] [2025-02-06 09:29:43,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:43,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:43,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:43,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:43,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:43,967 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 148 [2025-02-06 09:29:43,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 103 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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 09:29:43,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:43,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 148 [2025-02-06 09:29:43,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:43,996 INFO L124 PetriNetUnfolderBase]: 4/112 cut-off events. [2025-02-06 09:29:43,996 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:29:43,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 112 events. 4/112 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 77. Up to 18 conditions per place. [2025-02-06 09:29:43,996 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 11 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2025-02-06 09:29:43,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 102 transitions, 238 flow [2025-02-06 09:29:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:43,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:44,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2025-02-06 09:29:44,001 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8085585585585585 [2025-02-06 09:29:44,001 INFO L175 Difference]: Start difference. First operand has 107 places, 103 transitions, 214 flow. Second operand 3 states and 359 transitions. [2025-02-06 09:29:44,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 102 transitions, 238 flow [2025-02-06 09:29:44,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 102 transitions, 234 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:44,003 INFO L231 Difference]: Finished difference. Result has 106 places, 102 transitions, 212 flow [2025-02-06 09:29:44,003 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=106, PETRI_TRANSITIONS=102} [2025-02-06 09:29:44,007 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -24 predicate places. [2025-02-06 09:29:44,008 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 102 transitions, 212 flow [2025-02-06 09:29:44,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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 09:29:44,008 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:44,008 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] [2025-02-06 09:29:44,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:29:44,008 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2025-02-06 09:29:44,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:44,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1877613997, now seen corresponding path program 1 times [2025-02-06 09:29:44,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:44,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106320545] [2025-02-06 09:29:44,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:44,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:44,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 09:29:44,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 09:29:44,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:44,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:44,106 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 09:29:44,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:44,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106320545] [2025-02-06 09:29:44,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106320545] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:44,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:44,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:44,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25728593] [2025-02-06 09:29:44,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:44,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:44,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:44,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:44,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:44,116 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2025-02-06 09:29:44,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 09:29:44,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:44,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2025-02-06 09:29:44,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:44,136 INFO L124 PetriNetUnfolderBase]: 4/110 cut-off events. [2025-02-06 09:29:44,137 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:29:44,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 110 events. 4/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 65. Up to 14 conditions per place. [2025-02-06 09:29:44,137 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 10 selfloop transitions, 1 changer transitions 0/100 dead transitions. [2025-02-06 09:29:44,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 100 transitions, 230 flow [2025-02-06 09:29:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2025-02-06 09:29:44,141 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8198198198198198 [2025-02-06 09:29:44,141 INFO L175 Difference]: Start difference. First operand has 106 places, 102 transitions, 212 flow. Second operand 3 states and 364 transitions. [2025-02-06 09:29:44,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 100 transitions, 230 flow [2025-02-06 09:29:44,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 100 transitions, 226 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:44,143 INFO L231 Difference]: Finished difference. Result has 104 places, 100 transitions, 206 flow [2025-02-06 09:29:44,143 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=104, PETRI_TRANSITIONS=100} [2025-02-06 09:29:44,144 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -26 predicate places. [2025-02-06 09:29:44,144 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 100 transitions, 206 flow [2025-02-06 09:29:44,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 09:29:44,144 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:44,144 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] [2025-02-06 09:29:44,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:29:44,145 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2025-02-06 09:29:44,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:44,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1489716383, now seen corresponding path program 1 times [2025-02-06 09:29:44,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:44,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943444143] [2025-02-06 09:29:44,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:44,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:44,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-06 09:29:44,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 09:29:44,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:44,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:44,241 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 09:29:44,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:44,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943444143] [2025-02-06 09:29:44,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943444143] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:44,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:44,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:44,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228085135] [2025-02-06 09:29:44,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:44,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:44,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:44,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:44,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:44,260 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2025-02-06 09:29:44,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 100 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 09:29:44,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:44,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2025-02-06 09:29:44,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:44,282 INFO L124 PetriNetUnfolderBase]: 4/108 cut-off events. [2025-02-06 09:29:44,283 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:29:44,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 108 events. 4/108 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 3 based on Foata normal form. 1/107 useless extension candidates. Maximal degree in co-relation 112. Up to 14 conditions per place. [2025-02-06 09:29:44,283 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2025-02-06 09:29:44,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 98 transitions, 222 flow [2025-02-06 09:29:44,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:44,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2025-02-06 09:29:44,288 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8175675675675675 [2025-02-06 09:29:44,288 INFO L175 Difference]: Start difference. First operand has 104 places, 100 transitions, 206 flow. Second operand 3 states and 363 transitions. [2025-02-06 09:29:44,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 98 transitions, 222 flow [2025-02-06 09:29:44,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 98 transitions, 221 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:29:44,289 INFO L231 Difference]: Finished difference. Result has 103 places, 0 transitions, 0 flow [2025-02-06 09:29:44,289 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=103, PETRI_TRANSITIONS=0} [2025-02-06 09:29:44,290 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -27 predicate places. [2025-02-06 09:29:44,290 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 0 transitions, 0 flow [2025-02-06 09:29:44,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 09:29:44,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (43 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (41 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (40 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (39 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (38 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (37 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (35 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (34 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (32 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (31 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (30 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (27 of 44 remaining) [2025-02-06 09:29:44,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (24 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (14 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (13 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (11 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (10 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (9 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 44 remaining) [2025-02-06 09:29:44,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 44 remaining) [2025-02-06 09:29:44,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 09:29:44,299 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:44,303 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:29:44,303 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:29:44,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:29:44 BasicIcfg [2025-02-06 09:29:44,307 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:29:44,308 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:29:44,308 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:29:44,308 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:29:44,309 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:29:43" (3/4) ... [2025-02-06 09:29:44,310 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:29:44,312 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 09:29:44,312 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-06 09:29:44,316 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-02-06 09:29:44,316 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 09:29:44,316 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:29:44,316 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:29:44,368 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:29:44,368 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:29:44,368 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:29:44,369 INFO L158 Benchmark]: Toolchain (without parser) took 2069.18ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 84.0MB in the end (delta: 28.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2025-02-06 09:29:44,369 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:29:44,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.84ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 100.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:29:44,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.86ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 98.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:29:44,369 INFO L158 Benchmark]: Boogie Preprocessor took 23.82ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 97.4MB in the end (delta: 960.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:29:44,369 INFO L158 Benchmark]: IcfgBuilder took 587.29ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 104.1MB in the end (delta: -6.7MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2025-02-06 09:29:44,370 INFO L158 Benchmark]: TraceAbstraction took 1166.77ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 90.0MB in the end (delta: 13.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2025-02-06 09:29:44,370 INFO L158 Benchmark]: Witness Printer took 60.27ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 84.0MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:29:44,371 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.84ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 100.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.86ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 98.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.82ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 97.4MB in the end (delta: 960.9kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 587.29ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 104.1MB in the end (delta: -6.7MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1166.77ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 90.0MB in the end (delta: 13.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 60.27ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 84.0MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: 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: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 174 locations, 44 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: 1.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 39 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=260occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 0.3s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 424 ConstructedInterpolants, 0 QuantifiedInterpolants, 440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 09:29:44,385 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