./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-1_2b-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 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_2b-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 475c64db2a2029c09985266553634853aa5ae7653363254bdcc8a56a9d27dc04 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:10:31,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:10:31,674 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:10:31,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:10:31,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:10:31,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:10:31,700 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:10:31,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:10:31,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:10:31,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:10:31,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:10:31,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:10:31,702 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:10:31,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:10:31,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:10:31,702 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:10:31,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:10:31,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:10:31,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:10:31,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:10:31,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:10:31,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:10:31,703 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:10:31,703 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:10:31,703 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:10:31,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:10:31,703 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:10:31,704 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:10:31,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:10:31,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:10:31,704 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 -> 475c64db2a2029c09985266553634853aa5ae7653363254bdcc8a56a9d27dc04 [2025-03-13 22:10:31,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:10:31,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:10:31,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:10:31,963 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:10:31,963 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:10:31,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_2b-join.i [2025-03-13 22:10:33,061 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae177847/d319f35ba08744928ba93bf399054d88/FLAGcf916b222 [2025-03-13 22:10:33,415 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:10:33,415 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_2b-join.i [2025-03-13 22:10:33,437 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae177847/d319f35ba08744928ba93bf399054d88/FLAGcf916b222 [2025-03-13 22:10:33,453 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae177847/d319f35ba08744928ba93bf399054d88 [2025-03-13 22:10:33,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:10:33,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:10:33,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:10:33,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:10:33,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:10:33,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:10:33" (1/1) ... [2025-03-13 22:10:33,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eeb5f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:33, skipping insertion in model container [2025-03-13 22:10:33,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:10:33" (1/1) ... [2025-03-13 22:10:33,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:10:33,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:10:33,897 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:10:33,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:10:34,026 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:10:34,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34 WrapperNode [2025-03-13 22:10:34,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:10:34,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:10:34,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:10:34,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:10:34,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34" (1/1) ... [2025-03-13 22:10:34,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34" (1/1) ... [2025-03-13 22:10:34,065 INFO L138 Inliner]: procedures = 481, calls = 25, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 119 [2025-03-13 22:10:34,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:10:34,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:10:34,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:10:34,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:10:34,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34" (1/1) ... [2025-03-13 22:10:34,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34" (1/1) ... [2025-03-13 22:10:34,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34" (1/1) ... [2025-03-13 22:10:34,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34" (1/1) ... [2025-03-13 22:10:34,081 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34" (1/1) ... [2025-03-13 22:10:34,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34" (1/1) ... [2025-03-13 22:10:34,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34" (1/1) ... [2025-03-13 22:10:34,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34" (1/1) ... [2025-03-13 22:10:34,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:10:34,090 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:10:34,090 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:10:34,090 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:10:34,091 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34" (1/1) ... [2025-03-13 22:10:34,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:10:34,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:10:34,117 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) [2025-03-13 22:10:34,120 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 [2025-03-13 22:10:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-13 22:10:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-13 22:10:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:10:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-13 22:10:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:10:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:10:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-13 22:10:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-13 22:10:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 22:10:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 22:10:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:10:34,139 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:10:34,343 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:10:34,345 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:10:34,475 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:10:34,476 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:10:34,476 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:10:34,492 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:10:34,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:10:34 BoogieIcfgContainer [2025-03-13 22:10:34,493 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:10:34,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:10:34,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:10:34,497 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:10:34,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:10:33" (1/3) ... [2025-03-13 22:10:34,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8283c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:10:34, skipping insertion in model container [2025-03-13 22:10:34,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:10:34" (2/3) ... [2025-03-13 22:10:34,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8283c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:10:34, skipping insertion in model container [2025-03-13 22:10:34,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:10:34" (3/3) ... [2025-03-13 22:10:34,499 INFO L128 eAbstractionObserver]: Analyzing ICFG race-1_2b-join.i [2025-03-13 22:10:34,510 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:10:34,512 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-1_2b-join.i that has 2 procedures, 154 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2025-03-13 22:10:34,513 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:10:34,555 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-13 22:10:34,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 163 transitions, 333 flow [2025-03-13 22:10:34,640 INFO L124 PetriNetUnfolderBase]: 9/178 cut-off events. [2025-03-13 22:10:34,642 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:10:34,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 178 events. 9/178 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 268 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2025-03-13 22:10:34,648 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 163 transitions, 333 flow [2025-03-13 22:10:34,651 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 145 transitions, 296 flow [2025-03-13 22:10:34,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:10:34,665 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;@27b6ffad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:10:34,665 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-03-13 22:10:34,669 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:10:34,669 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2025-03-13 22:10:34,670 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:10:34,670 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:10:34,670 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] [2025-03-13 22:10:34,670 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-13 22:10:34,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:10:34,677 INFO L85 PathProgramCache]: Analyzing trace with hash -456125858, now seen corresponding path program 1 times [2025-03-13 22:10:34,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:10:34,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490961969] [2025-03-13 22:10:34,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:10:34,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:10:34,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-13 22:10:34,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-13 22:10:34,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:10:34,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:10:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:10:34,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:10:34,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490961969] [2025-03-13 22:10:34,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490961969] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:10:34,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:10:34,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:10:34,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135692579] [2025-03-13 22:10:34,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:10:34,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:10:34,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:10:34,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:10:34,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:10:35,023 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 163 [2025-03-13 22:10:35,026 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) [2025-03-13 22:10:35,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:10:35,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 163 [2025-03-13 22:10:35,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:10:35,077 INFO L124 PetriNetUnfolderBase]: 9/193 cut-off events. [2025-03-13 22:10:35,077 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 22:10:35,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 193 events. 9/193 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 502 event pairs, 9 based on Foata normal form. 8/177 useless extension candidates. Maximal degree in co-relation 120. Up to 36 conditions per place. [2025-03-13 22:10:35,079 INFO L140 encePairwiseOnDemand]: 154/163 looper letters, 16 selfloop transitions, 2 changer transitions 6/132 dead transitions. [2025-03-13 22:10:35,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 132 transitions, 306 flow [2025-03-13 22:10:35,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:10:35,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:10:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2025-03-13 22:10:35,093 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8609406952965235 [2025-03-13 22:10:35,094 INFO L175 Difference]: Start difference. First operand has 142 places, 145 transitions, 296 flow. Second operand 3 states and 421 transitions. [2025-03-13 22:10:35,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 132 transitions, 306 flow [2025-03-13 22:10:35,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 132 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:10:35,102 INFO L231 Difference]: Finished difference. Result has 135 places, 126 transitions, 258 flow [2025-03-13 22:10:35,105 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} [2025-03-13 22:10:35,108 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -7 predicate places. [2025-03-13 22:10:35,108 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 126 transitions, 258 flow [2025-03-13 22:10:35,108 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) [2025-03-13 22:10:35,109 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:10:35,109 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] [2025-03-13 22:10:35,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:10:35,109 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-13 22:10:35,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:10:35,110 INFO L85 PathProgramCache]: Analyzing trace with hash 831285986, now seen corresponding path program 1 times [2025-03-13 22:10:35,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:10:35,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227201749] [2025-03-13 22:10:35,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:10:35,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:10:35,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-13 22:10:35,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-13 22:10:35,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:10:35,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:10:35,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:10:35,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:10:35,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227201749] [2025-03-13 22:10:35,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227201749] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:10:35,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:10:35,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:10:35,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147240809] [2025-03-13 22:10:35,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:10:35,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:10:35,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:10:35,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:10:35,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:10:35,235 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 163 [2025-03-13 22:10:35,235 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) [2025-03-13 22:10:35,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:10:35,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 163 [2025-03-13 22:10:35,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:10:35,289 INFO L124 PetriNetUnfolderBase]: 11/271 cut-off events. [2025-03-13 22:10:35,289 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2025-03-13 22:10:35,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 271 events. 11/271 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 917 event pairs, 4 based on Foata normal form. 2/243 useless extension candidates. Maximal degree in co-relation 289. Up to 22 conditions per place. [2025-03-13 22:10:35,290 INFO L140 encePairwiseOnDemand]: 150/163 looper letters, 15 selfloop transitions, 8 changer transitions 3/130 dead transitions. [2025-03-13 22:10:35,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 130 transitions, 315 flow [2025-03-13 22:10:35,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:10:35,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:10:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2025-03-13 22:10:35,293 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8548057259713702 [2025-03-13 22:10:35,293 INFO L175 Difference]: Start difference. First operand has 135 places, 126 transitions, 258 flow. Second operand 3 states and 418 transitions. [2025-03-13 22:10:35,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 130 transitions, 315 flow [2025-03-13 22:10:35,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 130 transitions, 311 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:10:35,298 INFO L231 Difference]: Finished difference. Result has 128 places, 124 transitions, 292 flow [2025-03-13 22:10:35,299 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} [2025-03-13 22:10:35,299 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -14 predicate places. [2025-03-13 22:10:35,300 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 124 transitions, 292 flow [2025-03-13 22:10:35,300 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) [2025-03-13 22:10:35,301 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:10:35,301 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:10:35,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:10:35,301 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-13 22:10:35,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:10:35,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1263758251, now seen corresponding path program 1 times [2025-03-13 22:10:35,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:10:35,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737091008] [2025-03-13 22:10:35,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:10:35,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:10:35,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-13 22:10:35,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-13 22:10:35,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:10:35,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:10:35,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:10:35,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:10:35,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737091008] [2025-03-13 22:10:35,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737091008] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:10:35,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:10:35,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:10:35,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53187217] [2025-03-13 22:10:35,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:10:35,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:10:35,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:10:35,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:10:35,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:10:35,419 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 163 [2025-03-13 22:10:35,420 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) [2025-03-13 22:10:35,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:10:35,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 163 [2025-03-13 22:10:35,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:10:35,455 INFO L124 PetriNetUnfolderBase]: 12/241 cut-off events. [2025-03-13 22:10:35,455 INFO L125 PetriNetUnfolderBase]: For 42/43 co-relation queries the response was YES. [2025-03-13 22:10:35,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 241 events. 12/241 cut-off events. For 42/43 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 788 event pairs, 8 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 48. Up to 44 conditions per place. [2025-03-13 22:10:35,458 INFO L140 encePairwiseOnDemand]: 160/163 looper letters, 18 selfloop transitions, 2 changer transitions 0/123 dead transitions. [2025-03-13 22:10:35,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 123 transitions, 330 flow [2025-03-13 22:10:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:10:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:10:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2025-03-13 22:10:35,460 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8466257668711656 [2025-03-13 22:10:35,460 INFO L175 Difference]: Start difference. First operand has 128 places, 124 transitions, 292 flow. Second operand 3 states and 414 transitions. [2025-03-13 22:10:35,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 123 transitions, 330 flow [2025-03-13 22:10:35,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 123 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:10:35,464 INFO L231 Difference]: Finished difference. Result has 124 places, 123 transitions, 278 flow [2025-03-13 22:10:35,464 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} [2025-03-13 22:10:35,465 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -18 predicate places. [2025-03-13 22:10:35,465 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 123 transitions, 278 flow [2025-03-13 22:10:35,465 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) [2025-03-13 22:10:35,466 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:10:35,466 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] [2025-03-13 22:10:35,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:10:35,466 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-13 22:10:35,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:10:35,467 INFO L85 PathProgramCache]: Analyzing trace with hash -680623202, now seen corresponding path program 1 times [2025-03-13 22:10:35,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:10:35,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951657387] [2025-03-13 22:10:35,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:10:35,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:10:35,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-13 22:10:35,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-13 22:10:35,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:10:35,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:10:35,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:10:35,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:10:35,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951657387] [2025-03-13 22:10:35,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951657387] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:10:35,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:10:35,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:10:35,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358512849] [2025-03-13 22:10:35,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:10:35,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:10:35,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:10:35,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:10:35,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:10:35,586 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 163 [2025-03-13 22:10:35,586 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) [2025-03-13 22:10:35,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:10:35,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 163 [2025-03-13 22:10:35,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:10:35,614 INFO L124 PetriNetUnfolderBase]: 11/254 cut-off events. [2025-03-13 22:10:35,615 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-13 22:10:35,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 254 events. 11/254 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 808 event pairs, 4 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 277. Up to 30 conditions per place. [2025-03-13 22:10:35,617 INFO L140 encePairwiseOnDemand]: 160/163 looper letters, 11 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2025-03-13 22:10:35,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 124 transitions, 306 flow [2025-03-13 22:10:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:10:35,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:10:35,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2025-03-13 22:10:35,619 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8813905930470347 [2025-03-13 22:10:35,619 INFO L175 Difference]: Start difference. First operand has 124 places, 123 transitions, 278 flow. Second operand 3 states and 431 transitions. [2025-03-13 22:10:35,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 124 transitions, 306 flow [2025-03-13 22:10:35,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 124 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:10:35,622 INFO L231 Difference]: Finished difference. Result has 123 places, 122 transitions, 276 flow [2025-03-13 22:10:35,623 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} [2025-03-13 22:10:35,624 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -19 predicate places. [2025-03-13 22:10:35,624 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 122 transitions, 276 flow [2025-03-13 22:10:35,624 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) [2025-03-13 22:10:35,624 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:10:35,625 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:10:35,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:10:35,625 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-13 22:10:35,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:10:35,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1129092813, now seen corresponding path program 1 times [2025-03-13 22:10:35,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:10:35,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701654667] [2025-03-13 22:10:35,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:10:35,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:10:35,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-13 22:10:35,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-13 22:10:35,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:10:35,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:10:35,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:10:35,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:10:35,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701654667] [2025-03-13 22:10:35,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701654667] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:10:35,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:10:35,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:10:35,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847111038] [2025-03-13 22:10:35,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:10:35,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:10:35,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:10:35,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:10:35,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:10:35,745 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 163 [2025-03-13 22:10:35,745 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) [2025-03-13 22:10:35,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:10:35,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 163 [2025-03-13 22:10:35,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:10:35,779 INFO L124 PetriNetUnfolderBase]: 16/282 cut-off events. [2025-03-13 22:10:35,779 INFO L125 PetriNetUnfolderBase]: For 23/34 co-relation queries the response was YES. [2025-03-13 22:10:35,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 282 events. 16/282 cut-off events. For 23/34 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1075 event pairs, 7 based on Foata normal form. 2/257 useless extension candidates. Maximal degree in co-relation 284. Up to 48 conditions per place. [2025-03-13 22:10:35,781 INFO L140 encePairwiseOnDemand]: 157/163 looper letters, 17 selfloop transitions, 6 changer transitions 0/126 dead transitions. [2025-03-13 22:10:35,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 126 transitions, 334 flow [2025-03-13 22:10:35,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:10:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:10:35,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2025-03-13 22:10:35,782 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8650306748466258 [2025-03-13 22:10:35,782 INFO L175 Difference]: Start difference. First operand has 123 places, 122 transitions, 276 flow. Second operand 3 states and 423 transitions. [2025-03-13 22:10:35,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 126 transitions, 334 flow [2025-03-13 22:10:35,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 126 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:10:35,785 INFO L231 Difference]: Finished difference. Result has 125 places, 126 transitions, 318 flow [2025-03-13 22:10:35,785 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=318, PETRI_PLACES=125, PETRI_TRANSITIONS=126} [2025-03-13 22:10:35,786 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -17 predicate places. [2025-03-13 22:10:35,786 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 126 transitions, 318 flow [2025-03-13 22:10:35,786 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) [2025-03-13 22:10:35,786 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:10:35,786 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] [2025-03-13 22:10:35,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:10:35,787 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-13 22:10:35,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:10:35,787 INFO L85 PathProgramCache]: Analyzing trace with hash -552649372, now seen corresponding path program 1 times [2025-03-13 22:10:35,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:10:35,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206297872] [2025-03-13 22:10:35,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:10:35,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:10:35,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-13 22:10:35,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-13 22:10:35,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:10:35,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:10:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:10:35,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:10:35,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206297872] [2025-03-13 22:10:35,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206297872] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:10:35,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:10:35,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:10:35,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127553607] [2025-03-13 22:10:35,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:10:35,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:10:35,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:10:35,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:10:35,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:10:35,903 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 163 [2025-03-13 22:10:35,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 126 transitions, 318 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) [2025-03-13 22:10:35,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:10:35,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 163 [2025-03-13 22:10:35,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:10:35,948 INFO L124 PetriNetUnfolderBase]: 33/396 cut-off events. [2025-03-13 22:10:35,948 INFO L125 PetriNetUnfolderBase]: For 83/87 co-relation queries the response was YES. [2025-03-13 22:10:35,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 396 events. 33/396 cut-off events. For 83/87 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1936 event pairs, 13 based on Foata normal form. 2/366 useless extension candidates. Maximal degree in co-relation 196. Up to 72 conditions per place. [2025-03-13 22:10:35,951 INFO L140 encePairwiseOnDemand]: 158/163 looper letters, 22 selfloop transitions, 6 changer transitions 0/131 dead transitions. [2025-03-13 22:10:35,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 131 transitions, 390 flow [2025-03-13 22:10:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:10:35,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:10:35,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2025-03-13 22:10:35,952 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8588957055214724 [2025-03-13 22:10:35,952 INFO L175 Difference]: Start difference. First operand has 125 places, 126 transitions, 318 flow. Second operand 3 states and 420 transitions. [2025-03-13 22:10:35,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 131 transitions, 390 flow [2025-03-13 22:10:35,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 131 transitions, 376 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:10:35,955 INFO L231 Difference]: Finished difference. Result has 127 places, 129 transitions, 348 flow [2025-03-13 22:10:35,955 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=127, PETRI_TRANSITIONS=129} [2025-03-13 22:10:35,955 INFO L279 CegarLoopForPetriNet]: 142 programPoint places, -15 predicate places. [2025-03-13 22:10:35,956 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 129 transitions, 348 flow [2025-03-13 22:10:35,956 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) [2025-03-13 22:10:35,956 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:10:35,956 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:10:35,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:10:35,956 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-03-13 22:10:35,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:10:35,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1079884958, now seen corresponding path program 1 times [2025-03-13 22:10:35,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:10:35,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033233819] [2025-03-13 22:10:35,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:10:35,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:10:35,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-13 22:10:35,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-13 22:10:35,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:10:35,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:10:35,977 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-13 22:10:35,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-13 22:10:35,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-13 22:10:35,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:10:35,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:10:36,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-13 22:10:36,008 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-13 22:10:36,011 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2025-03-13 22:10:36,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2025-03-13 22:10:36,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2025-03-13 22:10:36,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2025-03-13 22:10:36,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2025-03-13 22:10:36,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2025-03-13 22:10:36,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2025-03-13 22:10:36,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2025-03-13 22:10:36,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2025-03-13 22:10:36,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2025-03-13 22:10:36,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2025-03-13 22:10:36,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2025-03-13 22:10:36,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 13 remaining) [2025-03-13 22:10:36,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:10:36,013 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:10:36,044 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:10:36,045 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:10:36,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:10:36 BasicIcfg [2025-03-13 22:10:36,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:10:36,051 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:10:36,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:10:36,052 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:10:36,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:10:34" (3/4) ... [2025-03-13 22:10:36,053 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-13 22:10:36,094 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 6. [2025-03-13 22:10:36,128 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:10:36,129 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:10:36,129 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:10:36,130 INFO L158 Benchmark]: Toolchain (without parser) took 2673.56ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 103.5MB in the beginning and 231.4MB in the end (delta: -127.8MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2025-03-13 22:10:36,130 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:10:36,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.34ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 51.8MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-13 22:10:36,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.22ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 48.9MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:10:36,132 INFO L158 Benchmark]: Boogie Preprocessor took 23.83ms. Allocated memory is still 142.6MB. Free memory was 48.9MB in the beginning and 46.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:10:36,132 INFO L158 Benchmark]: IcfgBuilder took 402.40ms. Allocated memory is still 142.6MB. Free memory was 46.1MB in the beginning and 92.9MB in the end (delta: -46.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2025-03-13 22:10:36,133 INFO L158 Benchmark]: TraceAbstraction took 1556.90ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 92.1MB in the beginning and 238.6MB in the end (delta: -146.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2025-03-13 22:10:36,133 INFO L158 Benchmark]: Witness Printer took 78.04ms. Allocated memory is still 302.0MB. Free memory was 238.6MB in the beginning and 231.4MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:10:36,134 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 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.34ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 51.8MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.22ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 48.9MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.83ms. Allocated memory is still 142.6MB. Free memory was 48.9MB in the beginning and 46.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 402.40ms. Allocated memory is still 142.6MB. Free memory was 46.1MB in the beginning and 92.9MB in the end (delta: -46.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1556.90ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 92.1MB in the beginning and 238.6MB in the end (delta: -146.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Witness Printer took 78.04ms. Allocated memory is still 302.0MB. Free memory was 238.6MB in the beginning and 231.4MB in the end (delta: 7.2MB). 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 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 pdev = 2 VAL [\old(arg)={0:0}, mutex={3:0}, pdev=2, t1=-1] [L1699] 1 pdev = 6 VAL [\old(arg)={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1=-1] [L1709] 0 pdev = 2 VAL [\old(arg)={0:0}, arg={0:0}, mutex={3:0}, pdev=6, 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 = 2 [1709] 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: 1713]: 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: 1714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1710]: 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, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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=348occurred 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, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 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! [2025-03-13 22:10:36,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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)