./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-1_3b-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-1_3b-join.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:52:13,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:52:13,755 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:52:13,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:52:13,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:52:13,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:52:13,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:52:13,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:52:13,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:52:13,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:52:13,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:52:13,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:52:13,786 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:52:13,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:52:13,787 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:52:13,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:52:13,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:52:13,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:52:13,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:52:13,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:52:13,788 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:52:13,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:52:13,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:52:13,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:52:13,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:52:13,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:52:13,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:52:13,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:52:13,788 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b [2025-03-08 21:52:14,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:52:14,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:52:14,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:52:14,057 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:52:14,058 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:52:14,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_3b-join.i [2025-03-08 21:52:15,237 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ef4ac2b/de6fd75dec0c4f3984e4e7036a3a1ae8/FLAG4c95a6b41 [2025-03-08 21:52:15,517 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:52:15,518 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_3b-join.i [2025-03-08 21:52:15,544 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ef4ac2b/de6fd75dec0c4f3984e4e7036a3a1ae8/FLAG4c95a6b41 [2025-03-08 21:52:15,559 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ef4ac2b/de6fd75dec0c4f3984e4e7036a3a1ae8 [2025-03-08 21:52:15,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:52:15,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:52:15,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:52:15,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:52:15,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:52:15,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:52:15" (1/1) ... [2025-03-08 21:52:15,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643539e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:15, skipping insertion in model container [2025-03-08 21:52:15,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:52:15" (1/1) ... [2025-03-08 21:52:15,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:52:16,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:52:16,126 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:52:16,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:52:16,270 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:52:16,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16 WrapperNode [2025-03-08 21:52:16,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:52:16,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:52:16,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:52:16,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:52:16,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16" (1/1) ... [2025-03-08 21:52:16,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16" (1/1) ... [2025-03-08 21:52:16,327 INFO L138 Inliner]: procedures = 481, calls = 25, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 119 [2025-03-08 21:52:16,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:52:16,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:52:16,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:52:16,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:52:16,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16" (1/1) ... [2025-03-08 21:52:16,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16" (1/1) ... [2025-03-08 21:52:16,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16" (1/1) ... [2025-03-08 21:52:16,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16" (1/1) ... [2025-03-08 21:52:16,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16" (1/1) ... [2025-03-08 21:52:16,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16" (1/1) ... [2025-03-08 21:52:16,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16" (1/1) ... [2025-03-08 21:52:16,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16" (1/1) ... [2025-03-08 21:52:16,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:52:16,356 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:52:16,356 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:52:16,356 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:52:16,357 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16" (1/1) ... [2025-03-08 21:52:16,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:52:16,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:52:16,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 21:52:16,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 21:52:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 21:52:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-08 21:52:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:52:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-08 21:52:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:52:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:52:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 21:52:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-08 21:52:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-08 21:52:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-08 21:52:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:52:16,408 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 21:52:16,617 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:52:16,619 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:52:16,785 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:52:16,785 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:52:16,800 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:52:16,800 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:52:16,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:52:16 BoogieIcfgContainer [2025-03-08 21:52:16,801 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:52:16,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:52:16,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:52:16,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:52:16,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:52:15" (1/3) ... [2025-03-08 21:52:16,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bfe5c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:52:16, skipping insertion in model container [2025-03-08 21:52:16,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:16" (2/3) ... [2025-03-08 21:52:16,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bfe5c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:52:16, skipping insertion in model container [2025-03-08 21:52:16,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:52:16" (3/3) ... [2025-03-08 21:52:16,808 INFO L128 eAbstractionObserver]: Analyzing ICFG race-1_3b-join.i [2025-03-08 21:52:16,818 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:52:16,819 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-1_3b-join.i that has 2 procedures, 154 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2025-03-08 21:52:16,820 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:52:16,857 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-08 21:52:16,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 163 transitions, 333 flow [2025-03-08 21:52:16,934 INFO L124 PetriNetUnfolderBase]: 11/200 cut-off events. [2025-03-08 21:52:16,936 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 21:52:16,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 200 events. 11/200 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 349 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 116. Up to 4 conditions per place. [2025-03-08 21:52:16,939 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 163 transitions, 333 flow [2025-03-08 21:52:16,942 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 145 transitions, 296 flow [2025-03-08 21:52:16,955 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:52:16,963 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;@775ba77c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:52:16,963 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-03-08 21:52:16,967 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:52:16,967 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2025-03-08 21:52:16,968 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:52:16,968 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:16,968 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:52:16,969 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-08 21:52:16,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:16,975 INFO L85 PathProgramCache]: Analyzing trace with hash 427337860, now seen corresponding path program 1 times [2025-03-08 21:52:16,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:16,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226064713] [2025-03-08 21:52:16,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:16,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:17,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-08 21:52:17,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-08 21:52:17,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:17,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:52:17,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:17,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226064713] [2025-03-08 21:52:17,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226064713] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:17,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:17,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:52:17,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847430893] [2025-03-08 21:52:17,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:17,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:52:17,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:17,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:52:17,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:52:17,311 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 163 [2025-03-08 21:52:17,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 145 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:52:17,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:17,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 163 [2025-03-08 21:52:17,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:17,385 INFO L124 PetriNetUnfolderBase]: 9/211 cut-off events. [2025-03-08 21:52:17,385 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-08 21:52:17,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 211 events. 9/211 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 584 event pairs, 9 based on Foata normal form. 10/195 useless extension candidates. Maximal degree in co-relation 120. Up to 38 conditions per place. [2025-03-08 21:52:17,388 INFO L140 encePairwiseOnDemand]: 154/163 looper letters, 16 selfloop transitions, 2 changer transitions 6/132 dead transitions. [2025-03-08 21:52:17,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 132 transitions, 306 flow [2025-03-08 21:52:17,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:52:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:52:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2025-03-08 21:52:17,401 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8609406952965235 [2025-03-08 21:52:17,402 INFO L175 Difference]: Start difference. First operand has 142 places, 145 transitions, 296 flow. Second operand 3 states and 421 transitions. [2025-03-08 21:52:17,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 132 transitions, 306 flow [2025-03-08 21:52:17,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 132 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:52:17,409 INFO L231 Difference]: Finished difference. Result has 135 places, 126 transitions, 258 flow [2025-03-08 21:52:17,411 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=135, PETRI_TRANSITIONS=126} [2025-03-08 21:52:17,416 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -7 predicate places. [2025-03-08 21:52:17,417 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 126 transitions, 258 flow [2025-03-08 21:52:17,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:52:17,417 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:17,418 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:52:17,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:52:17,418 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-08 21:52:17,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:17,419 INFO L85 PathProgramCache]: Analyzing trace with hash 539320925, now seen corresponding path program 1 times [2025-03-08 21:52:17,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:17,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337656932] [2025-03-08 21:52:17,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:17,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:17,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-08 21:52:17,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-08 21:52:17,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:17,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:52:17,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:17,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337656932] [2025-03-08 21:52:17,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337656932] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:17,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:17,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:52:17,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976433221] [2025-03-08 21:52:17,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:17,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:52:17,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:17,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:52:17,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:52:17,566 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 163 [2025-03-08 21:52:17,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 126 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:52:17,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:17,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 163 [2025-03-08 21:52:17,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:17,614 INFO L124 PetriNetUnfolderBase]: 11/246 cut-off events. [2025-03-08 21:52:17,614 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-08 21:52:17,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 246 events. 11/246 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 740 event pairs, 4 based on Foata normal form. 1/218 useless extension candidates. Maximal degree in co-relation 267. Up to 24 conditions per place. [2025-03-08 21:52:17,617 INFO L140 encePairwiseOnDemand]: 150/163 looper letters, 15 selfloop transitions, 8 changer transitions 3/130 dead transitions. [2025-03-08 21:52:17,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 130 transitions, 315 flow [2025-03-08 21:52:17,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:52:17,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:52:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2025-03-08 21:52:17,620 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8548057259713702 [2025-03-08 21:52:17,620 INFO L175 Difference]: Start difference. First operand has 135 places, 126 transitions, 258 flow. Second operand 3 states and 418 transitions. [2025-03-08 21:52:17,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 130 transitions, 315 flow [2025-03-08 21:52:17,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 130 transitions, 311 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:52:17,624 INFO L231 Difference]: Finished difference. Result has 128 places, 124 transitions, 292 flow [2025-03-08 21:52:17,624 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=128, PETRI_TRANSITIONS=124} [2025-03-08 21:52:17,625 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -14 predicate places. [2025-03-08 21:52:17,625 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 124 transitions, 292 flow [2025-03-08 21:52:17,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:52:17,625 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:17,625 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:52:17,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:52:17,625 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-08 21:52:17,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:17,626 INFO L85 PathProgramCache]: Analyzing trace with hash 194869420, now seen corresponding path program 1 times [2025-03-08 21:52:17,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:17,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780714281] [2025-03-08 21:52:17,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:17,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:17,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-08 21:52:17,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-08 21:52:17,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:17,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:52:17,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:17,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780714281] [2025-03-08 21:52:17,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780714281] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:17,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:17,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:52:17,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614494473] [2025-03-08 21:52:17,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:17,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:52:17,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:17,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:52:17,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:52:17,764 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 163 [2025-03-08 21:52:17,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 124 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:52:17,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:17,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 163 [2025-03-08 21:52:17,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:17,798 INFO L124 PetriNetUnfolderBase]: 11/240 cut-off events. [2025-03-08 21:52:17,798 INFO L125 PetriNetUnfolderBase]: For 50/54 co-relation queries the response was YES. [2025-03-08 21:52:17,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 240 events. 11/240 cut-off events. For 50/54 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 751 event pairs, 7 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 59. Up to 43 conditions per place. [2025-03-08 21:52:17,800 INFO L140 encePairwiseOnDemand]: 160/163 looper letters, 18 selfloop transitions, 2 changer transitions 0/123 dead transitions. [2025-03-08 21:52:17,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 123 transitions, 330 flow [2025-03-08 21:52:17,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:52:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:52:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2025-03-08 21:52:17,803 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8466257668711656 [2025-03-08 21:52:17,803 INFO L175 Difference]: Start difference. First operand has 128 places, 124 transitions, 292 flow. Second operand 3 states and 414 transitions. [2025-03-08 21:52:17,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 123 transitions, 330 flow [2025-03-08 21:52:17,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 123 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:52:17,808 INFO L231 Difference]: Finished difference. Result has 124 places, 123 transitions, 278 flow [2025-03-08 21:52:17,808 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=124, PETRI_TRANSITIONS=123} [2025-03-08 21:52:17,809 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -18 predicate places. [2025-03-08 21:52:17,810 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 123 transitions, 278 flow [2025-03-08 21:52:17,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:52:17,810 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:17,810 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:52:17,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:52:17,810 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-08 21:52:17,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:17,811 INFO L85 PathProgramCache]: Analyzing trace with hash -641689963, now seen corresponding path program 1 times [2025-03-08 21:52:17,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:17,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336518046] [2025-03-08 21:52:17,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:17,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:17,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-08 21:52:17,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-08 21:52:17,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:17,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:52:17,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:17,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336518046] [2025-03-08 21:52:17,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336518046] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:17,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:17,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:52:17,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381756857] [2025-03-08 21:52:17,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:17,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:52:17,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:17,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:52:17,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:52:17,912 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 163 [2025-03-08 21:52:17,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 123 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:52:17,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:17,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 163 [2025-03-08 21:52:17,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:17,944 INFO L124 PetriNetUnfolderBase]: 11/278 cut-off events. [2025-03-08 21:52:17,945 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-08 21:52:17,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 278 events. 11/278 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 974 event pairs, 3 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 285. Up to 28 conditions per place. [2025-03-08 21:52:17,946 INFO L140 encePairwiseOnDemand]: 160/163 looper letters, 11 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2025-03-08 21:52:17,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 124 transitions, 306 flow [2025-03-08 21:52:17,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:52:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:52:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2025-03-08 21:52:17,948 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8813905930470347 [2025-03-08 21:52:17,948 INFO L175 Difference]: Start difference. First operand has 124 places, 123 transitions, 278 flow. Second operand 3 states and 431 transitions. [2025-03-08 21:52:17,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 124 transitions, 306 flow [2025-03-08 21:52:17,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 124 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:52:17,950 INFO L231 Difference]: Finished difference. Result has 123 places, 122 transitions, 276 flow [2025-03-08 21:52:17,950 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=123, PETRI_TRANSITIONS=122} [2025-03-08 21:52:17,953 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -19 predicate places. [2025-03-08 21:52:17,953 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 122 transitions, 276 flow [2025-03-08 21:52:17,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:52:17,953 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:17,954 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:52:17,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 21:52:17,954 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-08 21:52:17,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:17,955 INFO L85 PathProgramCache]: Analyzing trace with hash 718968106, now seen corresponding path program 1 times [2025-03-08 21:52:17,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:17,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975585634] [2025-03-08 21:52:17,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:17,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:17,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-08 21:52:17,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-08 21:52:17,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:17,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:52:18,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:18,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975585634] [2025-03-08 21:52:18,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975585634] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:18,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:18,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:52:18,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750618751] [2025-03-08 21:52:18,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:18,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:52:18,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:18,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:52:18,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:52:18,058 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 163 [2025-03-08 21:52:18,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 122 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:52:18,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:18,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 163 [2025-03-08 21:52:18,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:18,096 INFO L124 PetriNetUnfolderBase]: 16/273 cut-off events. [2025-03-08 21:52:18,096 INFO L125 PetriNetUnfolderBase]: For 26/37 co-relation queries the response was YES. [2025-03-08 21:52:18,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 273 events. 16/273 cut-off events. For 26/37 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1047 event pairs, 7 based on Foata normal form. 2/244 useless extension candidates. Maximal degree in co-relation 259. Up to 50 conditions per place. [2025-03-08 21:52:18,098 INFO L140 encePairwiseOnDemand]: 157/163 looper letters, 17 selfloop transitions, 6 changer transitions 6/126 dead transitions. [2025-03-08 21:52:18,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 126 transitions, 334 flow [2025-03-08 21:52:18,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:52:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:52:18,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2025-03-08 21:52:18,100 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8650306748466258 [2025-03-08 21:52:18,100 INFO L175 Difference]: Start difference. First operand has 123 places, 122 transitions, 276 flow. Second operand 3 states and 423 transitions. [2025-03-08 21:52:18,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 126 transitions, 334 flow [2025-03-08 21:52:18,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 126 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:52:18,103 INFO L231 Difference]: Finished difference. Result has 125 places, 120 transitions, 306 flow [2025-03-08 21:52:18,105 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=125, PETRI_TRANSITIONS=120} [2025-03-08 21:52:18,106 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -17 predicate places. [2025-03-08 21:52:18,106 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 120 transitions, 306 flow [2025-03-08 21:52:18,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:52:18,106 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:18,106 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] [2025-03-08 21:52:18,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 21:52:18,107 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-08 21:52:18,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:18,107 INFO L85 PathProgramCache]: Analyzing trace with hash 501703593, now seen corresponding path program 1 times [2025-03-08 21:52:18,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:18,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907740087] [2025-03-08 21:52:18,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:18,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:18,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-08 21:52:18,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-08 21:52:18,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:18,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:18,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:52:18,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:18,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907740087] [2025-03-08 21:52:18,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907740087] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:18,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:18,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:52:18,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901127852] [2025-03-08 21:52:18,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:18,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:52:18,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:18,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:52:18,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:52:18,226 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 163 [2025-03-08 21:52:18,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 120 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:52:18,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:18,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 163 [2025-03-08 21:52:18,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:18,262 INFO L124 PetriNetUnfolderBase]: 31/329 cut-off events. [2025-03-08 21:52:18,262 INFO L125 PetriNetUnfolderBase]: For 85/89 co-relation queries the response was YES. [2025-03-08 21:52:18,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 329 events. 31/329 cut-off events. For 85/89 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1405 event pairs, 12 based on Foata normal form. 2/304 useless extension candidates. Maximal degree in co-relation 198. Up to 67 conditions per place. [2025-03-08 21:52:18,263 INFO L140 encePairwiseOnDemand]: 158/163 looper letters, 21 selfloop transitions, 6 changer transitions 0/125 dead transitions. [2025-03-08 21:52:18,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 125 transitions, 376 flow [2025-03-08 21:52:18,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:52:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:52:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2025-03-08 21:52:18,265 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8568507157464212 [2025-03-08 21:52:18,265 INFO L175 Difference]: Start difference. First operand has 125 places, 120 transitions, 306 flow. Second operand 3 states and 419 transitions. [2025-03-08 21:52:18,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 125 transitions, 376 flow [2025-03-08 21:52:18,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 125 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:52:18,268 INFO L231 Difference]: Finished difference. Result has 121 places, 123 transitions, 336 flow [2025-03-08 21:52:18,268 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=121, PETRI_TRANSITIONS=123} [2025-03-08 21:52:18,268 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -21 predicate places. [2025-03-08 21:52:18,269 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 123 transitions, 336 flow [2025-03-08 21:52:18,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:52:18,269 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:18,269 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:52:18,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 21:52:18,269 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-08 21:52:18,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:18,270 INFO L85 PathProgramCache]: Analyzing trace with hash -540559298, now seen corresponding path program 1 times [2025-03-08 21:52:18,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:18,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506787048] [2025-03-08 21:52:18,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:18,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:18,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-08 21:52:18,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-08 21:52:18,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:18,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 21:52:18,294 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 21:52:18,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-08 21:52:18,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-08 21:52:18,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:18,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 21:52:18,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 21:52:18,325 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 21:52:18,327 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2025-03-08 21:52:18,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2025-03-08 21:52:18,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2025-03-08 21:52:18,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2025-03-08 21:52:18,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2025-03-08 21:52:18,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2025-03-08 21:52:18,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2025-03-08 21:52:18,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2025-03-08 21:52:18,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2025-03-08 21:52:18,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2025-03-08 21:52:18,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2025-03-08 21:52:18,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2025-03-08 21:52:18,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 13 remaining) [2025-03-08 21:52:18,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 21:52:18,329 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:52:18,370 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 21:52:18,371 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 21:52:18,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:52:18 BasicIcfg [2025-03-08 21:52:18,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 21:52:18,377 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 21:52:18,377 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 21:52:18,377 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 21:52:18,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:52:16" (3/4) ... [2025-03-08 21:52:18,379 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-08 21:52:18,423 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 9. [2025-03-08 21:52:18,453 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 21:52:18,454 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 21:52:18,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 21:52:18,454 INFO L158 Benchmark]: Toolchain (without parser) took 2891.85ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 72.1MB in the end (delta: 38.2MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2025-03-08 21:52:18,454 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:52:18,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 708.01ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 56.5MB in the end (delta: 53.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-08 21:52:18,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.04ms. Allocated memory is still 142.6MB. Free memory was 56.5MB in the beginning and 53.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:52:18,455 INFO L158 Benchmark]: Boogie Preprocessor took 26.21ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 51.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:52:18,455 INFO L158 Benchmark]: IcfgBuilder took 444.89ms. Allocated memory is still 142.6MB. Free memory was 51.2MB in the beginning and 97.0MB in the end (delta: -45.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2025-03-08 21:52:18,455 INFO L158 Benchmark]: TraceAbstraction took 1573.46ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 80.5MB in the end (delta: 15.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2025-03-08 21:52:18,455 INFO L158 Benchmark]: Witness Printer took 76.43ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 72.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:52:18,456 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 708.01ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 56.5MB in the end (delta: 53.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.04ms. Allocated memory is still 142.6MB. Free memory was 56.5MB in the beginning and 53.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.21ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 51.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 444.89ms. Allocated memory is still 142.6MB. Free memory was 51.2MB in the beginning and 97.0MB in the end (delta: -45.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1573.46ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 80.5MB in the end (delta: 15.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 76.43ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 72.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1699]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1; VAL [t1=0] [L1695] 0 pthread_mutex_t mutex; VAL [mutex={3:0}, t1=0] [L1696] 0 int pdev; VAL [mutex={3:0}, pdev=0, t1=0] [L1726] CALL, EXPR 0 module_init() [L1705] 0 pdev = 1 VAL [mutex={3:0}, pdev=1, t1=0] [L1706] EXPR 0 pdev==1 VAL [mutex={3:0}, pdev=1, t1=0] [L1706] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, mutex={3:0}, pdev=1, t1=0] [L1706] RET 0 ldv_assert(pdev==1) [L1707] COND TRUE 0 __VERIFIER_nondet_int() VAL [mutex={3:0}, pdev=1, t1=0] [L1708] 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [mutex={3:0}, pdev=1, t1=-1] [L1708] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [\old(arg)={0:0}, mutex={3:0}, pdev=1, t1=-1] [L1709] 0 return 0; VAL [\old(arg)={0:0}, \result=0, arg={0:0}, mutex={3:0}, pdev=1, t1=-1] [L1726] RET, EXPR 0 module_init() [L1726] COND FALSE 0 !(module_init()!=0) VAL [\old(arg)={0:0}, arg={0:0}, mutex={3:0}, pdev=1, t1=-1] [L1727] CALL 0 module_exit() [L1717] 0 void *status; VAL [\old(arg)={0:0}, arg={0:0}, mutex={3:0}, pdev=1, status={5:0}, t1=-1] [L1718] 0 pdev = 4 VAL [\old(arg)={0:0}, arg={0:0}, mutex={3:0}, pdev=4, status={5:0}, t1=-1] [L1699] 1 pdev = 6 VAL [\old(arg)={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1=-1] [L1718] 0 pdev = 4 VAL [\old(arg)={0:0}, arg={0:0}, mutex={3:0}, pdev=6, status={5:0}, t1=-1] [L1699] 1 pdev = 6 VAL [\old(arg)={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1=-1] Now there is a data race on ~pdev~0 between C: pdev = 4 [1718] and C: pdev = 6 [1699] - UnprovableResult [Line: 1705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1708]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 169 locations, 178 edges, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 314 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 292 IncrementalHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 17 mSDtfsCounter, 292 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=336occurred in iteration=6, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 310 NumberOfCodeBlocks, 310 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 251 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-03-08 21:52:18,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(DATA-RACE)