./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-deagle/circular_buffer_bad.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/pthread-deagle/circular_buffer_bad.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 a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:08:38,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:08:39,032 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 22:08:39,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:08:39,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:08:39,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:08:39,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:08:39,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:08:39,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:08:39,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:08:39,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:08:39,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:08:39,061 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:08:39,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:08:39,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:08:39,062 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:08:39,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:08:39,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:08:39,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:08:39,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:08:39,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:08:39,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:08:39,063 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 22:08:39,063 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:08:39,063 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:08:39,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:08:39,063 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:08:39,063 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:08:39,063 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:08:39,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:08:39,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:08:39,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:08:39,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:08:39,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:08:39,064 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 22:08:39,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 22:08:39,064 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:08:39,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:08:39,065 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:08:39,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:08:39,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:08:39,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:08:39,065 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 -> a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc [2025-03-08 22:08:39,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:08:39,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:08:39,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:08:39,300 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:08:39,300 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:08:39,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i [2025-03-08 22:08:40,414 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db8be60b/708eea33216d47b2812c047cc96b535a/FLAG2197d3279 [2025-03-08 22:08:40,725 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:08:40,726 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i [2025-03-08 22:08:40,742 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db8be60b/708eea33216d47b2812c047cc96b535a/FLAG2197d3279 [2025-03-08 22:08:40,987 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db8be60b/708eea33216d47b2812c047cc96b535a [2025-03-08 22:08:40,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:08:40,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:08:40,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:08:40,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:08:40,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:08:40,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:08:40" (1/1) ... [2025-03-08 22:08:40,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c50360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:40, skipping insertion in model container [2025-03-08 22:08:40,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:08:40" (1/1) ... [2025-03-08 22:08:41,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:08:41,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:08:41,317 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:08:41,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:08:41,395 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:08:41,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41 WrapperNode [2025-03-08 22:08:41,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:08:41,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:08:41,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:08:41,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:08:41,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41" (1/1) ... [2025-03-08 22:08:41,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41" (1/1) ... [2025-03-08 22:08:41,428 INFO L138 Inliner]: procedures = 168, calls = 40, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 228 [2025-03-08 22:08:41,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:08:41,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:08:41,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:08:41,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:08:41,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41" (1/1) ... [2025-03-08 22:08:41,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41" (1/1) ... [2025-03-08 22:08:41,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41" (1/1) ... [2025-03-08 22:08:41,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41" (1/1) ... [2025-03-08 22:08:41,453 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41" (1/1) ... [2025-03-08 22:08:41,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41" (1/1) ... [2025-03-08 22:08:41,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41" (1/1) ... [2025-03-08 22:08:41,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41" (1/1) ... [2025-03-08 22:08:41,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:08:41,461 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:08:41,461 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:08:41,461 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:08:41,462 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41" (1/1) ... [2025-03-08 22:08:41,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:08:41,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:08:41,490 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 22:08:41,493 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 22:08:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 22:08:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-03-08 22:08:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-03-08 22:08:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-03-08 22:08:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-03-08 22:08:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 22:08:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-08 22:08:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:08:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-08 22:08:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 22:08:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-08 22:08:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:08:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:08:41,511 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 22:08:41,613 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:08:41,615 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:08:41,962 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L698: havoc removeLogElement_#t~mem7#1; [2025-03-08 22:08:41,963 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 22:08:41,963 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:08:41,991 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:08:41,991 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:08:41,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:08:41 BoogieIcfgContainer [2025-03-08 22:08:41,991 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:08:41,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:08:41,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:08:41,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:08:41,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:08:40" (1/3) ... [2025-03-08 22:08:42,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46108854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:08:41, skipping insertion in model container [2025-03-08 22:08:42,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:41" (2/3) ... [2025-03-08 22:08:42,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46108854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:08:42, skipping insertion in model container [2025-03-08 22:08:42,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:08:41" (3/3) ... [2025-03-08 22:08:42,001 INFO L128 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2025-03-08 22:08:42,014 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:08:42,016 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG circular_buffer_bad.i that has 3 procedures, 264 locations, 1 initial locations, 2 loop locations, and 29 error locations. [2025-03-08 22:08:42,016 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 22:08:42,121 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-08 22:08:42,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 270 places, 275 transitions, 564 flow [2025-03-08 22:08:42,264 INFO L124 PetriNetUnfolderBase]: 12/273 cut-off events. [2025-03-08 22:08:42,269 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 22:08:42,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 273 events. 12/273 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 663 event pairs, 0 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 188. Up to 2 conditions per place. [2025-03-08 22:08:42,276 INFO L82 GeneralOperation]: Start removeDead. Operand has 270 places, 275 transitions, 564 flow [2025-03-08 22:08:42,282 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 263 places, 268 transitions, 545 flow [2025-03-08 22:08:42,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:08:42,297 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;@48872441, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:08:42,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2025-03-08 22:08:42,305 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:08:42,306 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2025-03-08 22:08:42,306 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:08:42,306 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:42,306 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:42,307 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:42,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:42,311 INFO L85 PathProgramCache]: Analyzing trace with hash 574729884, now seen corresponding path program 1 times [2025-03-08 22:08:42,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:42,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405657139] [2025-03-08 22:08:42,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:42,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:42,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-08 22:08:42,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-08 22:08:42,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:42,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:42,492 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 22:08:42,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:42,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405657139] [2025-03-08 22:08:42,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405657139] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:42,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:42,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:42,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084318350] [2025-03-08 22:08:42,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:42,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:42,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:42,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:42,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:42,552 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 275 [2025-03-08 22:08:42,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 268 transitions, 545 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 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 22:08:42,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:42,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 275 [2025-03-08 22:08:42,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:42,655 INFO L124 PetriNetUnfolderBase]: 55/645 cut-off events. [2025-03-08 22:08:42,655 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2025-03-08 22:08:42,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 645 events. 55/645 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3368 event pairs, 27 based on Foata normal form. 17/548 useless extension candidates. Maximal degree in co-relation 630. Up to 79 conditions per place. [2025-03-08 22:08:42,663 INFO L140 encePairwiseOnDemand]: 268/275 looper letters, 16 selfloop transitions, 2 changer transitions 0/259 dead transitions. [2025-03-08 22:08:42,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 259 transitions, 563 flow [2025-03-08 22:08:42,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:42,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 770 transitions. [2025-03-08 22:08:42,679 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333 [2025-03-08 22:08:42,680 INFO L175 Difference]: Start difference. First operand has 263 places, 268 transitions, 545 flow. Second operand 3 states and 770 transitions. [2025-03-08 22:08:42,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 259 transitions, 563 flow [2025-03-08 22:08:42,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 259 transitions, 558 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-08 22:08:42,691 INFO L231 Difference]: Finished difference. Result has 257 places, 259 transitions, 526 flow [2025-03-08 22:08:42,693 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=257, PETRI_TRANSITIONS=259} [2025-03-08 22:08:42,697 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -6 predicate places. [2025-03-08 22:08:42,697 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 259 transitions, 526 flow [2025-03-08 22:08:42,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 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 22:08:42,697 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:42,697 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 22:08:42,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 22:08:42,698 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:42,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:42,698 INFO L85 PathProgramCache]: Analyzing trace with hash 590102702, now seen corresponding path program 1 times [2025-03-08 22:08:42,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:42,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555527264] [2025-03-08 22:08:42,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:42,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:42,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-08 22:08:42,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-08 22:08:42,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:42,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:42,793 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 22:08:42,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:42,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555527264] [2025-03-08 22:08:42,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555527264] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:42,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:42,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:42,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779095722] [2025-03-08 22:08:42,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:42,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:42,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:42,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:42,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:42,851 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 275 [2025-03-08 22:08:42,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 259 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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 22:08:42,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:42,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 275 [2025-03-08 22:08:42,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:42,937 INFO L124 PetriNetUnfolderBase]: 59/648 cut-off events. [2025-03-08 22:08:42,937 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-03-08 22:08:42,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 648 events. 59/648 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3447 event pairs, 31 based on Foata normal form. 0/537 useless extension candidates. Maximal degree in co-relation 707. Up to 89 conditions per place. [2025-03-08 22:08:42,942 INFO L140 encePairwiseOnDemand]: 272/275 looper letters, 18 selfloop transitions, 2 changer transitions 0/258 dead transitions. [2025-03-08 22:08:42,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 258 transitions, 564 flow [2025-03-08 22:08:42,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:42,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 762 transitions. [2025-03-08 22:08:42,946 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9236363636363636 [2025-03-08 22:08:42,946 INFO L175 Difference]: Start difference. First operand has 257 places, 259 transitions, 526 flow. Second operand 3 states and 762 transitions. [2025-03-08 22:08:42,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 258 transitions, 564 flow [2025-03-08 22:08:42,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 258 transitions, 560 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:42,952 INFO L231 Difference]: Finished difference. Result has 256 places, 258 transitions, 524 flow [2025-03-08 22:08:42,952 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=524, PETRI_PLACES=256, PETRI_TRANSITIONS=258} [2025-03-08 22:08:42,952 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -7 predicate places. [2025-03-08 22:08:42,953 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 258 transitions, 524 flow [2025-03-08 22:08:42,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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 22:08:42,953 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:42,953 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] [2025-03-08 22:08:42,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 22:08:42,954 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:42,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:42,954 INFO L85 PathProgramCache]: Analyzing trace with hash 153029991, now seen corresponding path program 1 times [2025-03-08 22:08:42,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:42,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41705327] [2025-03-08 22:08:42,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:42,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:42,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-08 22:08:42,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-08 22:08:42,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:42,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:43,032 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 22:08:43,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:43,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41705327] [2025-03-08 22:08:43,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41705327] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:43,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:43,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:43,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874222890] [2025-03-08 22:08:43,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:43,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:43,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:43,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:43,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:43,068 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 275 [2025-03-08 22:08:43,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 258 transitions, 524 flow. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 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 22:08:43,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:43,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 275 [2025-03-08 22:08:43,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:43,216 INFO L124 PetriNetUnfolderBase]: 125/1218 cut-off events. [2025-03-08 22:08:43,216 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-08 22:08:43,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1431 conditions, 1218 events. 125/1218 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7664 event pairs, 54 based on Foata normal form. 0/1017 useless extension candidates. Maximal degree in co-relation 1372. Up to 170 conditions per place. [2025-03-08 22:08:43,222 INFO L140 encePairwiseOnDemand]: 264/275 looper letters, 23 selfloop transitions, 5 changer transitions 0/259 dead transitions. [2025-03-08 22:08:43,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 259 transitions, 584 flow [2025-03-08 22:08:43,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:43,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2025-03-08 22:08:43,225 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9175757575757576 [2025-03-08 22:08:43,225 INFO L175 Difference]: Start difference. First operand has 256 places, 258 transitions, 524 flow. Second operand 3 states and 757 transitions. [2025-03-08 22:08:43,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 259 transitions, 584 flow [2025-03-08 22:08:43,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 259 transitions, 580 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:43,231 INFO L231 Difference]: Finished difference. Result has 253 places, 256 transitions, 544 flow [2025-03-08 22:08:43,231 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=253, PETRI_TRANSITIONS=256} [2025-03-08 22:08:43,232 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -10 predicate places. [2025-03-08 22:08:43,232 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 256 transitions, 544 flow [2025-03-08 22:08:43,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 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 22:08:43,232 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:43,233 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] [2025-03-08 22:08:43,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 22:08:43,233 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:43,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:43,234 INFO L85 PathProgramCache]: Analyzing trace with hash 526806732, now seen corresponding path program 1 times [2025-03-08 22:08:43,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:43,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860403808] [2025-03-08 22:08:43,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:43,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:43,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-08 22:08:43,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-08 22:08:43,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:43,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:43,289 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 22:08:43,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:43,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860403808] [2025-03-08 22:08:43,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860403808] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:43,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:43,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:43,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261637614] [2025-03-08 22:08:43,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:43,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:43,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:43,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:43,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:43,320 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 275 [2025-03-08 22:08:43,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 256 transitions, 544 flow. Second operand has 3 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 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 22:08:43,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:43,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 275 [2025-03-08 22:08:43,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:43,435 INFO L124 PetriNetUnfolderBase]: 79/1078 cut-off events. [2025-03-08 22:08:43,435 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2025-03-08 22:08:43,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1231 conditions, 1078 events. 79/1078 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6093 event pairs, 24 based on Foata normal form. 0/906 useless extension candidates. Maximal degree in co-relation 1038. Up to 82 conditions per place. [2025-03-08 22:08:43,441 INFO L140 encePairwiseOnDemand]: 272/275 looper letters, 15 selfloop transitions, 2 changer transitions 0/255 dead transitions. [2025-03-08 22:08:43,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 255 transitions, 576 flow [2025-03-08 22:08:43,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:43,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 768 transitions. [2025-03-08 22:08:43,444 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9309090909090909 [2025-03-08 22:08:43,444 INFO L175 Difference]: Start difference. First operand has 253 places, 256 transitions, 544 flow. Second operand 3 states and 768 transitions. [2025-03-08 22:08:43,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 255 transitions, 576 flow [2025-03-08 22:08:43,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 255 transitions, 566 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:43,449 INFO L231 Difference]: Finished difference. Result has 252 places, 255 transitions, 536 flow [2025-03-08 22:08:43,449 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=252, PETRI_TRANSITIONS=255} [2025-03-08 22:08:43,450 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -11 predicate places. [2025-03-08 22:08:43,450 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 255 transitions, 536 flow [2025-03-08 22:08:43,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 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 22:08:43,451 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:43,451 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 22:08:43,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 22:08:43,452 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:43,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:43,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1512986909, now seen corresponding path program 1 times [2025-03-08 22:08:43,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:43,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801383464] [2025-03-08 22:08:43,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:43,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:43,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-08 22:08:43,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-08 22:08:43,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:43,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:43,496 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 22:08:43,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:43,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801383464] [2025-03-08 22:08:43,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801383464] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:43,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:43,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:43,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100751109] [2025-03-08 22:08:43,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:43,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:43,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:43,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:43,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:43,515 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 275 [2025-03-08 22:08:43,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 255 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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 22:08:43,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:43,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 275 [2025-03-08 22:08:43,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:43,589 INFO L124 PetriNetUnfolderBase]: 63/839 cut-off events. [2025-03-08 22:08:43,589 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-08 22:08:43,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 954 conditions, 839 events. 63/839 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3980 event pairs, 22 based on Foata normal form. 0/706 useless extension candidates. Maximal degree in co-relation 887. Up to 69 conditions per place. [2025-03-08 22:08:43,594 INFO L140 encePairwiseOnDemand]: 272/275 looper letters, 13 selfloop transitions, 2 changer transitions 0/254 dead transitions. [2025-03-08 22:08:43,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 254 transitions, 564 flow [2025-03-08 22:08:43,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:43,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 769 transitions. [2025-03-08 22:08:43,609 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9321212121212121 [2025-03-08 22:08:43,609 INFO L175 Difference]: Start difference. First operand has 252 places, 255 transitions, 536 flow. Second operand 3 states and 769 transitions. [2025-03-08 22:08:43,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 254 transitions, 564 flow [2025-03-08 22:08:43,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 254 transitions, 560 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:43,612 INFO L231 Difference]: Finished difference. Result has 251 places, 254 transitions, 534 flow [2025-03-08 22:08:43,613 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=251, PETRI_TRANSITIONS=254} [2025-03-08 22:08:43,613 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -12 predicate places. [2025-03-08 22:08:43,613 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 254 transitions, 534 flow [2025-03-08 22:08:43,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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 22:08:43,614 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:43,614 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:43,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 22:08:43,614 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:43,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:43,615 INFO L85 PathProgramCache]: Analyzing trace with hash 869503818, now seen corresponding path program 1 times [2025-03-08 22:08:43,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:43,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219089733] [2025-03-08 22:08:43,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:43,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:43,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-08 22:08:43,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-08 22:08:43,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:43,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:43,656 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 22:08:43,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:43,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219089733] [2025-03-08 22:08:43,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219089733] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:43,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:43,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:43,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963843433] [2025-03-08 22:08:43,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:43,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:43,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:43,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:43,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:43,672 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 275 [2025-03-08 22:08:43,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 254 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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 22:08:43,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:43,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 275 [2025-03-08 22:08:43,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:43,747 INFO L124 PetriNetUnfolderBase]: 68/918 cut-off events. [2025-03-08 22:08:43,747 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-03-08 22:08:43,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 918 events. 68/918 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4611 event pairs, 22 based on Foata normal form. 0/774 useless extension candidates. Maximal degree in co-relation 961. Up to 71 conditions per place. [2025-03-08 22:08:43,752 INFO L140 encePairwiseOnDemand]: 272/275 looper letters, 13 selfloop transitions, 2 changer transitions 0/253 dead transitions. [2025-03-08 22:08:43,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 253 transitions, 562 flow [2025-03-08 22:08:43,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:43,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:43,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 769 transitions. [2025-03-08 22:08:43,754 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9321212121212121 [2025-03-08 22:08:43,754 INFO L175 Difference]: Start difference. First operand has 251 places, 254 transitions, 534 flow. Second operand 3 states and 769 transitions. [2025-03-08 22:08:43,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 253 transitions, 562 flow [2025-03-08 22:08:43,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 253 transitions, 558 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:43,757 INFO L231 Difference]: Finished difference. Result has 250 places, 253 transitions, 532 flow [2025-03-08 22:08:43,758 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=250, PETRI_TRANSITIONS=253} [2025-03-08 22:08:43,758 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -13 predicate places. [2025-03-08 22:08:43,758 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 253 transitions, 532 flow [2025-03-08 22:08:43,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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 22:08:43,758 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:43,759 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:43,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 22:08:43,759 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:43,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:43,759 INFO L85 PathProgramCache]: Analyzing trace with hash 16339273, now seen corresponding path program 1 times [2025-03-08 22:08:43,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:43,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214074423] [2025-03-08 22:08:43,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:43,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:43,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-08 22:08:43,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-08 22:08:43,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:43,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:43,817 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 22:08:43,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:43,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214074423] [2025-03-08 22:08:43,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214074423] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:43,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:43,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:43,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997458190] [2025-03-08 22:08:43,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:43,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:43,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:43,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:43,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:43,835 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 275 [2025-03-08 22:08:43,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 253 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 256.6666666666667) internal successors, (770), 3 states have internal predecessors, (770), 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 22:08:43,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:43,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 275 [2025-03-08 22:08:43,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:43,968 INFO L124 PetriNetUnfolderBase]: 110/1251 cut-off events. [2025-03-08 22:08:43,968 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-03-08 22:08:43,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1457 conditions, 1251 events. 110/1251 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7237 event pairs, 20 based on Foata normal form. 0/1053 useless extension candidates. Maximal degree in co-relation 1378. Up to 87 conditions per place. [2025-03-08 22:08:43,977 INFO L140 encePairwiseOnDemand]: 270/275 looper letters, 19 selfloop transitions, 4 changer transitions 0/263 dead transitions. [2025-03-08 22:08:43,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 263 transitions, 601 flow [2025-03-08 22:08:43,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 789 transitions. [2025-03-08 22:08:43,979 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9563636363636364 [2025-03-08 22:08:43,979 INFO L175 Difference]: Start difference. First operand has 250 places, 253 transitions, 532 flow. Second operand 3 states and 789 transitions. [2025-03-08 22:08:43,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 263 transitions, 601 flow [2025-03-08 22:08:43,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 263 transitions, 597 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:43,983 INFO L231 Difference]: Finished difference. Result has 252 places, 257 transitions, 562 flow [2025-03-08 22:08:43,983 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=562, PETRI_PLACES=252, PETRI_TRANSITIONS=257} [2025-03-08 22:08:43,985 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -11 predicate places. [2025-03-08 22:08:43,985 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 257 transitions, 562 flow [2025-03-08 22:08:43,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.6666666666667) internal successors, (770), 3 states have internal predecessors, (770), 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 22:08:43,986 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:43,986 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:43,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 22:08:43,986 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:43,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:43,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1575257364, now seen corresponding path program 1 times [2025-03-08 22:08:43,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:43,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142287249] [2025-03-08 22:08:43,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:43,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:44,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-08 22:08:44,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-08 22:08:44,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:44,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:44,056 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 22:08:44,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:44,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142287249] [2025-03-08 22:08:44,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142287249] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:44,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:44,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:44,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450318434] [2025-03-08 22:08:44,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:44,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:44,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:44,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:44,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:44,076 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 275 [2025-03-08 22:08:44,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 257 transitions, 562 flow. Second operand has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 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 22:08:44,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:44,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 275 [2025-03-08 22:08:44,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:44,232 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][247], [211#L726true, 25#L750true, 298#true, 269#true, Black: 295#(= |#race~send~0| 0), Black: 279#true, 92#L762-1true, 293#true]) [2025-03-08 22:08:44,233 INFO L294 olderBase$Statistics]: this new event has 159 ancestors and is cut-off event [2025-03-08 22:08:44,233 INFO L297 olderBase$Statistics]: existing Event has 131 ancestors and is cut-off event [2025-03-08 22:08:44,235 INFO L297 olderBase$Statistics]: existing Event has 135 ancestors and is cut-off event [2025-03-08 22:08:44,235 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2025-03-08 22:08:44,240 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][247], [25#L750true, 298#true, 269#true, Black: 295#(= |#race~send~0| 0), 259#L764true, Black: 279#true, 293#true]) [2025-03-08 22:08:44,240 INFO L294 olderBase$Statistics]: this new event has 163 ancestors and is cut-off event [2025-03-08 22:08:44,240 INFO L297 olderBase$Statistics]: existing Event has 124 ancestors and is cut-off event [2025-03-08 22:08:44,240 INFO L297 olderBase$Statistics]: existing Event has 135 ancestors and is cut-off event [2025-03-08 22:08:44,240 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2025-03-08 22:08:44,266 INFO L124 PetriNetUnfolderBase]: 217/2261 cut-off events. [2025-03-08 22:08:44,266 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2025-03-08 22:08:44,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2699 conditions, 2261 events. 217/2261 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 16444 event pairs, 41 based on Foata normal form. 0/1899 useless extension candidates. Maximal degree in co-relation 2483. Up to 161 conditions per place. [2025-03-08 22:08:44,278 INFO L140 encePairwiseOnDemand]: 270/275 looper letters, 18 selfloop transitions, 4 changer transitions 0/266 dead transitions. [2025-03-08 22:08:44,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 266 transitions, 625 flow [2025-03-08 22:08:44,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:44,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:44,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 788 transitions. [2025-03-08 22:08:44,280 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9551515151515152 [2025-03-08 22:08:44,280 INFO L175 Difference]: Start difference. First operand has 252 places, 257 transitions, 562 flow. Second operand 3 states and 788 transitions. [2025-03-08 22:08:44,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 266 transitions, 625 flow [2025-03-08 22:08:44,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 266 transitions, 617 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:44,286 INFO L231 Difference]: Finished difference. Result has 254 places, 261 transitions, 588 flow [2025-03-08 22:08:44,286 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=254, PETRI_TRANSITIONS=261} [2025-03-08 22:08:44,287 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -9 predicate places. [2025-03-08 22:08:44,288 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 261 transitions, 588 flow [2025-03-08 22:08:44,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 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 22:08:44,288 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:44,288 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:44,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 22:08:44,289 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:44,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:44,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1003269884, now seen corresponding path program 1 times [2025-03-08 22:08:44,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:44,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417150997] [2025-03-08 22:08:44,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:44,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:44,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-08 22:08:44,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-08 22:08:44,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:44,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:44,323 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 22:08:44,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:44,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417150997] [2025-03-08 22:08:44,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417150997] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:44,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:44,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:44,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494963783] [2025-03-08 22:08:44,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:44,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:44,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:44,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:44,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:44,340 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 275 [2025-03-08 22:08:44,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 261 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 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 22:08:44,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:44,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 275 [2025-03-08 22:08:44,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:44,660 INFO L124 PetriNetUnfolderBase]: 464/4095 cut-off events. [2025-03-08 22:08:44,660 INFO L125 PetriNetUnfolderBase]: For 87/87 co-relation queries the response was YES. [2025-03-08 22:08:44,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5082 conditions, 4095 events. 464/4095 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 38312 event pairs, 115 based on Foata normal form. 0/3529 useless extension candidates. Maximal degree in co-relation 4787. Up to 523 conditions per place. [2025-03-08 22:08:44,678 INFO L140 encePairwiseOnDemand]: 268/275 looper letters, 24 selfloop transitions, 2 changer transitions 0/264 dead transitions. [2025-03-08 22:08:44,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 264 transitions, 649 flow [2025-03-08 22:08:44,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:44,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 766 transitions. [2025-03-08 22:08:44,680 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9284848484848485 [2025-03-08 22:08:44,680 INFO L175 Difference]: Start difference. First operand has 254 places, 261 transitions, 588 flow. Second operand 3 states and 766 transitions. [2025-03-08 22:08:44,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 264 transitions, 649 flow [2025-03-08 22:08:44,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 264 transitions, 641 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:44,685 INFO L231 Difference]: Finished difference. Result has 250 places, 258 transitions, 584 flow [2025-03-08 22:08:44,685 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=250, PETRI_TRANSITIONS=258} [2025-03-08 22:08:44,686 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -13 predicate places. [2025-03-08 22:08:44,686 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 258 transitions, 584 flow [2025-03-08 22:08:44,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 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 22:08:44,687 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:44,687 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:44,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 22:08:44,687 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:44,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:44,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1081607367, now seen corresponding path program 1 times [2025-03-08 22:08:44,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:44,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347108647] [2025-03-08 22:08:44,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:44,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:44,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-08 22:08:44,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-08 22:08:44,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:44,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:44,743 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 22:08:44,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:44,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347108647] [2025-03-08 22:08:44,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347108647] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:44,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:44,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:44,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458160875] [2025-03-08 22:08:44,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:44,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:44,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:44,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:44,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:44,758 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 275 [2025-03-08 22:08:44,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 258 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 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 22:08:44,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:44,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 275 [2025-03-08 22:08:44,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:45,214 INFO L124 PetriNetUnfolderBase]: 668/5213 cut-off events. [2025-03-08 22:08:45,214 INFO L125 PetriNetUnfolderBase]: For 120/120 co-relation queries the response was YES. [2025-03-08 22:08:45,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6686 conditions, 5213 events. 668/5213 cut-off events. For 120/120 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 49735 event pairs, 119 based on Foata normal form. 0/4602 useless extension candidates. Maximal degree in co-relation 6429. Up to 598 conditions per place. [2025-03-08 22:08:45,277 INFO L140 encePairwiseOnDemand]: 268/275 looper letters, 18 selfloop transitions, 4 changer transitions 0/262 dead transitions. [2025-03-08 22:08:45,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 262 transitions, 637 flow [2025-03-08 22:08:45,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:45,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:45,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2025-03-08 22:08:45,280 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2025-03-08 22:08:45,280 INFO L175 Difference]: Start difference. First operand has 250 places, 258 transitions, 584 flow. Second operand 3 states and 775 transitions. [2025-03-08 22:08:45,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 262 transitions, 637 flow [2025-03-08 22:08:45,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 262 transitions, 637 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:08:45,286 INFO L231 Difference]: Finished difference. Result has 250 places, 257 transitions, 598 flow [2025-03-08 22:08:45,286 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=250, PETRI_TRANSITIONS=257} [2025-03-08 22:08:45,287 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -13 predicate places. [2025-03-08 22:08:45,287 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 257 transitions, 598 flow [2025-03-08 22:08:45,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 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 22:08:45,290 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:45,290 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:45,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 22:08:45,290 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:45,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:45,291 INFO L85 PathProgramCache]: Analyzing trace with hash 721913424, now seen corresponding path program 1 times [2025-03-08 22:08:45,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:45,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373068307] [2025-03-08 22:08:45,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:45,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:45,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 22:08:45,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 22:08:45,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:45,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:45,357 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 22:08:45,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:45,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373068307] [2025-03-08 22:08:45,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373068307] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:45,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:45,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 22:08:45,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286024580] [2025-03-08 22:08:45,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:45,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:45,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:45,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:45,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:45,368 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 275 [2025-03-08 22:08:45,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 257 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 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 22:08:45,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:45,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 275 [2025-03-08 22:08:45,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:45,708 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][122], [211#L726true, Black: 303#true, 25#L750true, Black: 307#true, 309#(= |#race~first~0| 0), 269#true, Black: 295#(= |#race~send~0| 0), Black: 279#true, 92#L762-1true, Black: 300#(= |#race~receive~0| 0), 311#true, 305#(= |#race~buffer_size~0| 0)]) [2025-03-08 22:08:45,709 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2025-03-08 22:08:45,709 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2025-03-08 22:08:45,709 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2025-03-08 22:08:45,709 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2025-03-08 22:08:45,721 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][122], [25#L750true, Black: 303#true, Black: 307#true, 309#(= |#race~first~0| 0), 269#true, Black: 295#(= |#race~send~0| 0), 259#L764true, Black: 279#true, 311#true, Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0)]) [2025-03-08 22:08:45,721 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2025-03-08 22:08:45,721 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2025-03-08 22:08:45,721 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2025-03-08 22:08:45,721 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2025-03-08 22:08:45,767 INFO L124 PetriNetUnfolderBase]: 685/4850 cut-off events. [2025-03-08 22:08:45,767 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2025-03-08 22:08:45,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6512 conditions, 4850 events. 685/4850 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 45124 event pairs, 291 based on Foata normal form. 0/4248 useless extension candidates. Maximal degree in co-relation 6198. Up to 816 conditions per place. [2025-03-08 22:08:45,797 INFO L140 encePairwiseOnDemand]: 271/275 looper letters, 18 selfloop transitions, 3 changer transitions 0/261 dead transitions. [2025-03-08 22:08:45,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 261 transitions, 650 flow [2025-03-08 22:08:45,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2025-03-08 22:08:45,800 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2025-03-08 22:08:45,800 INFO L175 Difference]: Start difference. First operand has 250 places, 257 transitions, 598 flow. Second operand 3 states and 775 transitions. [2025-03-08 22:08:45,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 261 transitions, 650 flow [2025-03-08 22:08:45,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 261 transitions, 646 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:08:45,804 INFO L231 Difference]: Finished difference. Result has 253 places, 258 transitions, 612 flow [2025-03-08 22:08:45,804 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=253, PETRI_TRANSITIONS=258} [2025-03-08 22:08:45,804 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -10 predicate places. [2025-03-08 22:08:45,804 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 258 transitions, 612 flow [2025-03-08 22:08:45,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 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 22:08:45,805 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:45,805 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:45,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 22:08:45,805 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:45,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:45,806 INFO L85 PathProgramCache]: Analyzing trace with hash -322006333, now seen corresponding path program 1 times [2025-03-08 22:08:45,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:45,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432888336] [2025-03-08 22:08:45,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:45,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:45,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-08 22:08:45,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-08 22:08:45,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:45,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:45,986 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 22:08:45,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:45,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432888336] [2025-03-08 22:08:45,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432888336] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:45,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:45,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:45,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446699621] [2025-03-08 22:08:45,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:45,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:45,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:45,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:45,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:46,046 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 275 [2025-03-08 22:08:46,047 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 258 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 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 22:08:46,047 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:46,047 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 275 [2025-03-08 22:08:46,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:46,378 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][122], [316#true, 269#true, Black: 295#(= |#race~send~0| 0), Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), 311#true, 211#L726true, Black: 303#true, 25#L750true, Black: 307#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, 92#L762-1true]) [2025-03-08 22:08:46,378 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2025-03-08 22:08:46,378 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2025-03-08 22:08:46,378 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2025-03-08 22:08:46,378 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2025-03-08 22:08:46,402 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][122], [25#L750true, Black: 303#true, 316#true, Black: 307#true, 269#true, Black: 295#(= |#race~send~0| 0), Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 259#L764true, Black: 279#true, Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), 311#true]) [2025-03-08 22:08:46,403 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2025-03-08 22:08:46,403 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2025-03-08 22:08:46,403 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2025-03-08 22:08:46,403 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2025-03-08 22:08:46,480 INFO L124 PetriNetUnfolderBase]: 750/5301 cut-off events. [2025-03-08 22:08:46,480 INFO L125 PetriNetUnfolderBase]: For 122/122 co-relation queries the response was YES. [2025-03-08 22:08:46,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7199 conditions, 5301 events. 750/5301 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 51312 event pairs, 284 based on Foata normal form. 0/4692 useless extension candidates. Maximal degree in co-relation 6889. Up to 853 conditions per place. [2025-03-08 22:08:46,509 INFO L140 encePairwiseOnDemand]: 270/275 looper letters, 21 selfloop transitions, 4 changer transitions 0/264 dead transitions. [2025-03-08 22:08:46,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 264 transitions, 676 flow [2025-03-08 22:08:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:46,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 773 transitions. [2025-03-08 22:08:46,511 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.936969696969697 [2025-03-08 22:08:46,511 INFO L175 Difference]: Start difference. First operand has 253 places, 258 transitions, 612 flow. Second operand 3 states and 773 transitions. [2025-03-08 22:08:46,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 264 transitions, 676 flow [2025-03-08 22:08:46,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 264 transitions, 670 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:46,516 INFO L231 Difference]: Finished difference. Result has 255 places, 261 transitions, 636 flow [2025-03-08 22:08:46,517 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=255, PETRI_TRANSITIONS=261} [2025-03-08 22:08:46,517 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -8 predicate places. [2025-03-08 22:08:46,517 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 261 transitions, 636 flow [2025-03-08 22:08:46,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 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 22:08:46,518 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:46,518 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:46,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 22:08:46,518 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:46,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:46,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1101985239, now seen corresponding path program 1 times [2025-03-08 22:08:46,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:46,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317292038] [2025-03-08 22:08:46,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:46,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:46,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-08 22:08:46,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-08 22:08:46,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:46,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:46,562 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 22:08:46,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:46,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317292038] [2025-03-08 22:08:46,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317292038] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:46,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:46,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 22:08:46,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476528298] [2025-03-08 22:08:46,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:46,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:46,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:46,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:46,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:46,570 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 275 [2025-03-08 22:08:46,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 261 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 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 22:08:46,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:46,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 275 [2025-03-08 22:08:46,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:47,057 INFO L124 PetriNetUnfolderBase]: 759/5667 cut-off events. [2025-03-08 22:08:47,057 INFO L125 PetriNetUnfolderBase]: For 182/182 co-relation queries the response was YES. [2025-03-08 22:08:47,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7851 conditions, 5667 events. 759/5667 cut-off events. For 182/182 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 54528 event pairs, 306 based on Foata normal form. 0/5018 useless extension candidates. Maximal degree in co-relation 7581. Up to 945 conditions per place. [2025-03-08 22:08:47,083 INFO L140 encePairwiseOnDemand]: 271/275 looper letters, 18 selfloop transitions, 3 changer transitions 0/264 dead transitions. [2025-03-08 22:08:47,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 264 transitions, 683 flow [2025-03-08 22:08:47,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:47,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2025-03-08 22:08:47,085 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2025-03-08 22:08:47,085 INFO L175 Difference]: Start difference. First operand has 255 places, 261 transitions, 636 flow. Second operand 3 states and 775 transitions. [2025-03-08 22:08:47,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 264 transitions, 683 flow [2025-03-08 22:08:47,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 264 transitions, 673 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:47,090 INFO L231 Difference]: Finished difference. Result has 257 places, 261 transitions, 640 flow [2025-03-08 22:08:47,090 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=257, PETRI_TRANSITIONS=261} [2025-03-08 22:08:47,091 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -6 predicate places. [2025-03-08 22:08:47,091 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 261 transitions, 640 flow [2025-03-08 22:08:47,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 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 22:08:47,092 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:47,092 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:08:47,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 22:08:47,092 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:47,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:47,092 INFO L85 PathProgramCache]: Analyzing trace with hash 223578550, now seen corresponding path program 1 times [2025-03-08 22:08:47,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:47,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586420646] [2025-03-08 22:08:47,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:47,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:47,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-08 22:08:47,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-08 22:08:47,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:47,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:47,128 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 22:08:47,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:47,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586420646] [2025-03-08 22:08:47,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586420646] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:47,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:47,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:47,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696178004] [2025-03-08 22:08:47,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:47,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:47,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:47,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:47,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:47,147 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 275 [2025-03-08 22:08:47,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 261 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 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 22:08:47,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:47,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 275 [2025-03-08 22:08:47,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:47,469 INFO L124 PetriNetUnfolderBase]: 521/4516 cut-off events. [2025-03-08 22:08:47,469 INFO L125 PetriNetUnfolderBase]: For 231/295 co-relation queries the response was YES. [2025-03-08 22:08:47,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6263 conditions, 4516 events. 521/4516 cut-off events. For 231/295 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 41284 event pairs, 169 based on Foata normal form. 1/4058 useless extension candidates. Maximal degree in co-relation 5962. Up to 614 conditions per place. [2025-03-08 22:08:47,499 INFO L140 encePairwiseOnDemand]: 270/275 looper letters, 19 selfloop transitions, 5 changer transitions 0/267 dead transitions. [2025-03-08 22:08:47,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 267 transitions, 704 flow [2025-03-08 22:08:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:47,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 781 transitions. [2025-03-08 22:08:47,501 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9466666666666667 [2025-03-08 22:08:47,501 INFO L175 Difference]: Start difference. First operand has 257 places, 261 transitions, 640 flow. Second operand 3 states and 781 transitions. [2025-03-08 22:08:47,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 267 transitions, 704 flow [2025-03-08 22:08:47,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 267 transitions, 698 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:47,505 INFO L231 Difference]: Finished difference. Result has 259 places, 264 transitions, 670 flow [2025-03-08 22:08:47,506 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=670, PETRI_PLACES=259, PETRI_TRANSITIONS=264} [2025-03-08 22:08:47,506 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -4 predicate places. [2025-03-08 22:08:47,506 INFO L471 AbstractCegarLoop]: Abstraction has has 259 places, 264 transitions, 670 flow [2025-03-08 22:08:47,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 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 22:08:47,507 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:47,507 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:47,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 22:08:47,507 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:47,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:47,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1330923924, now seen corresponding path program 1 times [2025-03-08 22:08:47,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:47,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690090322] [2025-03-08 22:08:47,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:47,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:47,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-08 22:08:47,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-08 22:08:47,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:47,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:47,545 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 22:08:47,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:47,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690090322] [2025-03-08 22:08:47,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690090322] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:47,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:47,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:47,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888479547] [2025-03-08 22:08:47,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:47,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:47,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:47,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:47,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:47,561 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 275 [2025-03-08 22:08:47,562 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 264 transitions, 670 flow. Second operand has 3 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 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 22:08:47,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:47,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 275 [2025-03-08 22:08:47,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:47,983 INFO L124 PetriNetUnfolderBase]: 666/5678 cut-off events. [2025-03-08 22:08:47,983 INFO L125 PetriNetUnfolderBase]: For 377/382 co-relation queries the response was YES. [2025-03-08 22:08:48,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8004 conditions, 5678 events. 666/5678 cut-off events. For 377/382 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 55368 event pairs, 200 based on Foata normal form. 1/5116 useless extension candidates. Maximal degree in co-relation 7724. Up to 765 conditions per place. [2025-03-08 22:08:48,018 INFO L140 encePairwiseOnDemand]: 270/275 looper letters, 19 selfloop transitions, 5 changer transitions 0/270 dead transitions. [2025-03-08 22:08:48,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 270 transitions, 733 flow [2025-03-08 22:08:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 781 transitions. [2025-03-08 22:08:48,020 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9466666666666667 [2025-03-08 22:08:48,020 INFO L175 Difference]: Start difference. First operand has 259 places, 264 transitions, 670 flow. Second operand 3 states and 781 transitions. [2025-03-08 22:08:48,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 270 transitions, 733 flow [2025-03-08 22:08:48,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 270 transitions, 721 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:48,026 INFO L231 Difference]: Finished difference. Result has 261 places, 267 transitions, 694 flow [2025-03-08 22:08:48,027 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=261, PETRI_TRANSITIONS=267} [2025-03-08 22:08:48,027 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -2 predicate places. [2025-03-08 22:08:48,027 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 267 transitions, 694 flow [2025-03-08 22:08:48,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 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 22:08:48,028 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:48,028 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:08:48,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 22:08:48,028 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t2Err4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:48,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:48,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1434461318, now seen corresponding path program 1 times [2025-03-08 22:08:48,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:48,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553778597] [2025-03-08 22:08:48,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:48,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:48,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-08 22:08:48,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-08 22:08:48,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:48,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:48,066 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 22:08:48,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:48,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553778597] [2025-03-08 22:08:48,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553778597] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:48,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:48,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:48,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157620814] [2025-03-08 22:08:48,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:48,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:48,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:48,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:48,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:48,094 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 275 [2025-03-08 22:08:48,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 267 transitions, 694 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 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 22:08:48,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:48,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 275 [2025-03-08 22:08:48,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:48,440 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][122], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), 336#true, Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 269#true, Black: 295#(= |#race~send~0| 0), Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 331#true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), 211#L726true, Black: 303#true, 25#L750true, Black: 307#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, 92#L762-1true]) [2025-03-08 22:08:48,440 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2025-03-08 22:08:48,440 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2025-03-08 22:08:48,440 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2025-03-08 22:08:48,440 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2025-03-08 22:08:48,464 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][122], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), 336#true, Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 269#true, Black: 295#(= |#race~send~0| 0), 259#L764true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 331#true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), 25#L750true, Black: 303#true, Black: 307#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true]) [2025-03-08 22:08:48,464 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2025-03-08 22:08:48,464 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2025-03-08 22:08:48,464 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2025-03-08 22:08:48,464 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2025-03-08 22:08:48,547 INFO L124 PetriNetUnfolderBase]: 707/6116 cut-off events. [2025-03-08 22:08:48,548 INFO L125 PetriNetUnfolderBase]: For 433/437 co-relation queries the response was YES. [2025-03-08 22:08:48,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8704 conditions, 6116 events. 707/6116 cut-off events. For 433/437 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 61223 event pairs, 243 based on Foata normal form. 0/5564 useless extension candidates. Maximal degree in co-relation 8429. Up to 869 conditions per place. [2025-03-08 22:08:48,586 INFO L140 encePairwiseOnDemand]: 272/275 looper letters, 19 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2025-03-08 22:08:48,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 269 transitions, 741 flow [2025-03-08 22:08:48,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:48,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:48,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 771 transitions. [2025-03-08 22:08:48,588 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9345454545454546 [2025-03-08 22:08:48,588 INFO L175 Difference]: Start difference. First operand has 261 places, 267 transitions, 694 flow. Second operand 3 states and 771 transitions. [2025-03-08 22:08:48,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 269 transitions, 741 flow [2025-03-08 22:08:48,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 269 transitions, 729 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:48,594 INFO L231 Difference]: Finished difference. Result has 260 places, 266 transitions, 684 flow [2025-03-08 22:08:48,595 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=260, PETRI_TRANSITIONS=266} [2025-03-08 22:08:48,595 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -3 predicate places. [2025-03-08 22:08:48,595 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 266 transitions, 684 flow [2025-03-08 22:08:48,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 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 22:08:48,596 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:48,596 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:48,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 22:08:48,596 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:48,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:48,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1869102059, now seen corresponding path program 1 times [2025-03-08 22:08:48,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:48,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064408297] [2025-03-08 22:08:48,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:48,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:48,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-08 22:08:48,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-08 22:08:48,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:48,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:48,625 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 22:08:48,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:48,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064408297] [2025-03-08 22:08:48,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064408297] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:48,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:48,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:48,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578508541] [2025-03-08 22:08:48,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:48,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:48,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:48,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:48,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:48,641 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 275 [2025-03-08 22:08:48,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 266 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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 22:08:48,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:48,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 275 [2025-03-08 22:08:48,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:48,991 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][122], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), 336#true, Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 269#true, Black: 295#(= |#race~send~0| 0), Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 339#true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), 211#L726true, Black: 303#true, 25#L750true, Black: 307#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, 92#L762-1true]) [2025-03-08 22:08:48,992 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2025-03-08 22:08:48,992 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2025-03-08 22:08:48,992 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2025-03-08 22:08:48,992 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2025-03-08 22:08:49,012 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][122], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), 336#true, Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 269#true, Black: 295#(= |#race~send~0| 0), 259#L764true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 339#true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, 25#L750true, Black: 307#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true]) [2025-03-08 22:08:49,013 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2025-03-08 22:08:49,013 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2025-03-08 22:08:49,013 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2025-03-08 22:08:49,013 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2025-03-08 22:08:49,107 INFO L124 PetriNetUnfolderBase]: 721/6192 cut-off events. [2025-03-08 22:08:49,108 INFO L125 PetriNetUnfolderBase]: For 694/719 co-relation queries the response was YES. [2025-03-08 22:08:49,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8906 conditions, 6192 events. 721/6192 cut-off events. For 694/719 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 61669 event pairs, 185 based on Foata normal form. 5/5618 useless extension candidates. Maximal degree in co-relation 8612. Up to 804 conditions per place. [2025-03-08 22:08:49,148 INFO L140 encePairwiseOnDemand]: 269/275 looper letters, 19 selfloop transitions, 9 changer transitions 0/275 dead transitions. [2025-03-08 22:08:49,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 275 transitions, 772 flow [2025-03-08 22:08:49,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 782 transitions. [2025-03-08 22:08:49,150 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9478787878787879 [2025-03-08 22:08:49,150 INFO L175 Difference]: Start difference. First operand has 260 places, 266 transitions, 684 flow. Second operand 3 states and 782 transitions. [2025-03-08 22:08:49,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 275 transitions, 772 flow [2025-03-08 22:08:49,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 275 transitions, 768 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:49,156 INFO L231 Difference]: Finished difference. Result has 262 places, 272 transitions, 754 flow [2025-03-08 22:08:49,157 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=754, PETRI_PLACES=262, PETRI_TRANSITIONS=272} [2025-03-08 22:08:49,157 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -1 predicate places. [2025-03-08 22:08:49,157 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 272 transitions, 754 flow [2025-03-08 22:08:49,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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 22:08:49,158 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:49,158 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:49,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 22:08:49,158 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:49,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:49,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1954490551, now seen corresponding path program 1 times [2025-03-08 22:08:49,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:49,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707113252] [2025-03-08 22:08:49,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:49,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:49,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-08 22:08:49,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-08 22:08:49,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:49,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:49,189 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 22:08:49,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:49,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707113252] [2025-03-08 22:08:49,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707113252] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:49,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:49,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:49,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43292701] [2025-03-08 22:08:49,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:49,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:49,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:49,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:49,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:49,204 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 275 [2025-03-08 22:08:49,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 272 transitions, 754 flow. Second operand has 3 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 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 22:08:49,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:49,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 275 [2025-03-08 22:08:49,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:49,360 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([594] L707-10-->L707-7: Formula: (= |v_#race~buffer_size~0_15| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_15|} AuxVars[] AssignedVars[#race~buffer_size~0][165], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 293#true, 157#L707-7true, 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 344#true, 339#true, Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, 92#L762-1true, 23#L695-3true]) [2025-03-08 22:08:49,360 INFO L294 olderBase$Statistics]: this new event has 154 ancestors and is cut-off event [2025-03-08 22:08:49,360 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2025-03-08 22:08:49,360 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2025-03-08 22:08:49,361 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2025-03-08 22:08:49,432 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([696] L695-6-->L695-3: Formula: (= |v_#race~buffer_size~0_18| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_18|} AuxVars[] AssignedVars[#race~buffer_size~0][171], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 157#L707-7true, Black: 293#true, 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 339#true, 344#true, Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, 92#L762-1true, 23#L695-3true]) [2025-03-08 22:08:49,432 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2025-03-08 22:08:49,432 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2025-03-08 22:08:49,432 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2025-03-08 22:08:49,432 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2025-03-08 22:08:49,432 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([696] L695-6-->L695-3: Formula: (= |v_#race~buffer_size~0_18| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_18|} AuxVars[] AssignedVars[#race~buffer_size~0][171], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 293#true, 157#L707-7true, 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 339#true, 344#true, Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, 92#L762-1true, 23#L695-3true]) [2025-03-08 22:08:49,432 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2025-03-08 22:08:49,432 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2025-03-08 22:08:49,432 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2025-03-08 22:08:49,433 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2025-03-08 22:08:49,433 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2025-03-08 22:08:49,440 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([594] L707-10-->L707-7: Formula: (= |v_#race~buffer_size~0_15| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_15|} AuxVars[] AssignedVars[#race~buffer_size~0][165], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 293#true, 157#L707-7true, 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 339#true, 344#true, Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, 92#L762-1true, 23#L695-3true]) [2025-03-08 22:08:49,440 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2025-03-08 22:08:49,441 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2025-03-08 22:08:49,441 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2025-03-08 22:08:49,441 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2025-03-08 22:08:49,441 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2025-03-08 22:08:49,808 INFO L124 PetriNetUnfolderBase]: 835/6437 cut-off events. [2025-03-08 22:08:49,808 INFO L125 PetriNetUnfolderBase]: For 1027/1063 co-relation queries the response was YES. [2025-03-08 22:08:49,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9613 conditions, 6437 events. 835/6437 cut-off events. For 1027/1063 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 64451 event pairs, 194 based on Foata normal form. 6/5832 useless extension candidates. Maximal degree in co-relation 9316. Up to 870 conditions per place. [2025-03-08 22:08:49,851 INFO L140 encePairwiseOnDemand]: 269/275 looper letters, 19 selfloop transitions, 9 changer transitions 0/281 dead transitions. [2025-03-08 22:08:49,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 281 transitions, 841 flow [2025-03-08 22:08:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:49,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:49,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 782 transitions. [2025-03-08 22:08:49,854 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9478787878787879 [2025-03-08 22:08:49,854 INFO L175 Difference]: Start difference. First operand has 262 places, 272 transitions, 754 flow. Second operand 3 states and 782 transitions. [2025-03-08 22:08:49,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 281 transitions, 841 flow [2025-03-08 22:08:49,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 281 transitions, 823 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:49,862 INFO L231 Difference]: Finished difference. Result has 264 places, 278 transitions, 810 flow [2025-03-08 22:08:49,862 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=264, PETRI_TRANSITIONS=278} [2025-03-08 22:08:49,863 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, 1 predicate places. [2025-03-08 22:08:49,863 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 278 transitions, 810 flow [2025-03-08 22:08:49,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 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 22:08:49,863 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:49,863 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:49,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-08 22:08:49,863 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t1Err4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:49,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:49,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1064700842, now seen corresponding path program 1 times [2025-03-08 22:08:49,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:49,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664018531] [2025-03-08 22:08:49,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:49,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:49,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-08 22:08:49,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-08 22:08:49,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:49,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:49,917 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 22:08:49,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:49,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664018531] [2025-03-08 22:08:49,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664018531] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:49,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:49,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:49,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253044617] [2025-03-08 22:08:49,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:49,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:49,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:49,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:49,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:49,952 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 275 [2025-03-08 22:08:49,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 278 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 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 22:08:49,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:49,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 275 [2025-03-08 22:08:49,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:50,307 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([577] L727-2-->L727-1: Formula: (= |v_#race~send~0_9| 0) InVars {} OutVars{#race~send~0=|v_#race~send~0_9|} AuxVars[] AssignedVars[#race~send~0][219], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 293#true, 269#true, 210#L748-1true, 349#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 344#true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 307#true, 199#L727-1true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|), Black: 279#true, 92#L762-1true]) [2025-03-08 22:08:50,308 INFO L294 olderBase$Statistics]: this new event has 164 ancestors and is cut-off event [2025-03-08 22:08:50,308 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2025-03-08 22:08:50,308 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2025-03-08 22:08:50,308 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2025-03-08 22:08:50,416 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][122], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 349#true, Black: 295#(= |#race~send~0| 0), 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 344#true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), 211#L726true, 25#L750true, Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|), Black: 279#true, 92#L762-1true]) [2025-03-08 22:08:50,416 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2025-03-08 22:08:50,416 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2025-03-08 22:08:50,416 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2025-03-08 22:08:50,416 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2025-03-08 22:08:50,441 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][122], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 349#true, Black: 295#(= |#race~send~0| 0), 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 259#L764true, 344#true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), 25#L750true, Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|), Black: 279#true]) [2025-03-08 22:08:50,441 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2025-03-08 22:08:50,441 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2025-03-08 22:08:50,441 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2025-03-08 22:08:50,441 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2025-03-08 22:08:50,560 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([640] L731-2-->L731: Formula: (= |v_t1Thread1of1ForFork1_#t~nondet14#1_3| |v_#race~receive~0_6|) InVars {t1Thread1of1ForFork1_#t~nondet14#1=|v_t1Thread1of1ForFork1_#t~nondet14#1_3|} OutVars{t1Thread1of1ForFork1_#t~nondet14#1=|v_t1Thread1of1ForFork1_#t~nondet14#1_3|, #race~receive~0=|v_#race~receive~0_6|} AuxVars[] AssignedVars[#race~receive~0][260], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 295#(= |#race~send~0| 0), 269#true, 349#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 344#true, 197#L747-1true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 307#true, Black: 339#true, 236#L731true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, Black: 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|), 92#L762-1true]) [2025-03-08 22:08:50,560 INFO L294 olderBase$Statistics]: this new event has 222 ancestors and is cut-off event [2025-03-08 22:08:50,560 INFO L297 olderBase$Statistics]: existing Event has 183 ancestors and is cut-off event [2025-03-08 22:08:50,560 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2025-03-08 22:08:50,560 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is cut-off event [2025-03-08 22:08:50,566 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([740] L748-2-->L748: Formula: (= |v_t2Thread1of1ForFork0_#t~nondet20#1_3| |v_#race~send~0_12|) InVars {t2Thread1of1ForFork0_#t~nondet20#1=|v_t2Thread1of1ForFork0_#t~nondet20#1_3|} OutVars{#race~send~0=|v_#race~send~0_12|, t2Thread1of1ForFork0_#t~nondet20#1=|v_t2Thread1of1ForFork0_#t~nondet20#1_3|} AuxVars[] AssignedVars[#race~send~0][251], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), 8#L748true, Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 295#(= |#race~send~0| 0), 269#true, 349#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 148#L730-1true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|), Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, Black: 344#true, 92#L762-1true]) [2025-03-08 22:08:50,570 INFO L294 olderBase$Statistics]: this new event has 222 ancestors and is cut-off event [2025-03-08 22:08:50,570 INFO L297 olderBase$Statistics]: existing Event has 183 ancestors and is cut-off event [2025-03-08 22:08:50,570 INFO L297 olderBase$Statistics]: existing Event has 183 ancestors and is cut-off event [2025-03-08 22:08:50,570 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2025-03-08 22:08:50,591 INFO L124 PetriNetUnfolderBase]: 1225/8602 cut-off events. [2025-03-08 22:08:50,591 INFO L125 PetriNetUnfolderBase]: For 1486/1546 co-relation queries the response was YES. [2025-03-08 22:08:50,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13466 conditions, 8602 events. 1225/8602 cut-off events. For 1486/1546 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 90373 event pairs, 360 based on Foata normal form. 6/7945 useless extension candidates. Maximal degree in co-relation 13122. Up to 1437 conditions per place. [2025-03-08 22:08:50,634 INFO L140 encePairwiseOnDemand]: 270/275 looper letters, 25 selfloop transitions, 5 changer transitions 0/285 dead transitions. [2025-03-08 22:08:50,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 285 transitions, 890 flow [2025-03-08 22:08:50,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 769 transitions. [2025-03-08 22:08:50,636 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9321212121212121 [2025-03-08 22:08:50,636 INFO L175 Difference]: Start difference. First operand has 264 places, 278 transitions, 810 flow. Second operand 3 states and 769 transitions. [2025-03-08 22:08:50,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 285 transitions, 890 flow [2025-03-08 22:08:50,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 285 transitions, 872 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:50,650 INFO L231 Difference]: Finished difference. Result has 266 places, 282 transitions, 834 flow [2025-03-08 22:08:50,650 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=266, PETRI_TRANSITIONS=282} [2025-03-08 22:08:50,651 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, 3 predicate places. [2025-03-08 22:08:50,651 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 282 transitions, 834 flow [2025-03-08 22:08:50,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 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 22:08:50,651 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:50,651 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:50,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-08 22:08:50,651 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t2Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:50,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:50,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1590798080, now seen corresponding path program 1 times [2025-03-08 22:08:50,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:50,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907128942] [2025-03-08 22:08:50,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:50,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:50,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 22:08:50,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 22:08:50,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:50,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:50,762 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 22:08:50,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:50,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907128942] [2025-03-08 22:08:50,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907128942] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:50,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:50,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:50,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322001928] [2025-03-08 22:08:50,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:50,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:50,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:50,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:50,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:50,808 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 275 [2025-03-08 22:08:50,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 282 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 256.0) internal successors, (768), 3 states have internal predecessors, (768), 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 22:08:50,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:50,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 275 [2025-03-08 22:08:50,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:50,965 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([594] L707-10-->L707-7: Formula: (= |v_#race~buffer_size~0_15| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_15|} AuxVars[] AssignedVars[#race~buffer_size~0][165], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |t1Thread1of1ForFork1_insertLogElement_#t~nondet10#1| |#race~next~0|), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 293#true, 157#L707-7true, 349#true, 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), 354#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|), Black: 279#true, 92#L762-1true, 23#L695-3true]) [2025-03-08 22:08:50,965 INFO L294 olderBase$Statistics]: this new event has 154 ancestors and is cut-off event [2025-03-08 22:08:50,965 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2025-03-08 22:08:50,965 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2025-03-08 22:08:50,965 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2025-03-08 22:08:50,974 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([696] L695-6-->L695-3: Formula: (= |v_#race~buffer_size~0_18| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_18|} AuxVars[] AssignedVars[#race~buffer_size~0][171], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |t1Thread1of1ForFork1_insertLogElement_#t~nondet10#1| |#race~next~0|), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 293#true, 157#L707-7true, 349#true, 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), 354#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|), Black: 279#true, 92#L762-1true, 23#L695-3true]) [2025-03-08 22:08:50,974 INFO L294 olderBase$Statistics]: this new event has 154 ancestors and is cut-off event [2025-03-08 22:08:50,974 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2025-03-08 22:08:50,974 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2025-03-08 22:08:50,974 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2025-03-08 22:08:51,001 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([696] L695-6-->L695-3: Formula: (= |v_#race~buffer_size~0_18| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_18|} AuxVars[] AssignedVars[#race~buffer_size~0][171], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |t1Thread1of1ForFork1_insertLogElement_#t~nondet10#1| |#race~next~0|), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 293#true, 157#L707-7true, 349#true, 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), 354#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, Black: 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|), 92#L762-1true, 23#L695-3true]) [2025-03-08 22:08:51,001 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2025-03-08 22:08:51,001 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2025-03-08 22:08:51,001 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2025-03-08 22:08:51,001 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2025-03-08 22:08:51,001 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2025-03-08 22:08:51,194 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([577] L727-2-->L727-1: Formula: (= |v_#race~send~0_9| 0) InVars {} OutVars{#race~send~0=|v_#race~send~0_9|} AuxVars[] AssignedVars[#race~send~0][219], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |t1Thread1of1ForFork1_insertLogElement_#t~nondet10#1| |#race~next~0|), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 293#true, 349#true, 210#L748-1true, 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 307#true, 199#L727-1true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), 354#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|), Black: 279#true, 92#L762-1true]) [2025-03-08 22:08:51,194 INFO L294 olderBase$Statistics]: this new event has 164 ancestors and is cut-off event [2025-03-08 22:08:51,194 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2025-03-08 22:08:51,194 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2025-03-08 22:08:51,194 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2025-03-08 22:08:51,302 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][122], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |t1Thread1of1ForFork1_insertLogElement_#t~nondet10#1| |#race~next~0|), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 349#true, Black: 295#(= |#race~send~0| 0), 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), 211#L726true, Black: 303#true, 25#L750true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), 354#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, Black: 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|), 92#L762-1true]) [2025-03-08 22:08:51,302 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2025-03-08 22:08:51,302 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2025-03-08 22:08:51,302 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2025-03-08 22:08:51,302 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2025-03-08 22:08:51,342 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([677] L750-3-->L750: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret21#1=|v_t2Thread1of1ForFork0_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret21#1][122], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |t1Thread1of1ForFork1_insertLogElement_#t~nondet10#1| |#race~next~0|), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 349#true, Black: 295#(= |#race~send~0| 0), 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 259#L764true, Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, 25#L750true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), 354#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, Black: 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|)]) [2025-03-08 22:08:51,343 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2025-03-08 22:08:51,343 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2025-03-08 22:08:51,343 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2025-03-08 22:08:51,343 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2025-03-08 22:08:51,384 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([740] L748-2-->L748: Formula: (= |v_t2Thread1of1ForFork0_#t~nondet20#1_3| |v_#race~send~0_12|) InVars {t2Thread1of1ForFork0_#t~nondet20#1=|v_t2Thread1of1ForFork0_#t~nondet20#1_3|} OutVars{#race~send~0=|v_#race~send~0_12|, t2Thread1of1ForFork0_#t~nondet20#1=|v_t2Thread1of1ForFork0_#t~nondet20#1_3|} AuxVars[] AssignedVars[#race~send~0][228], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |t1Thread1of1ForFork1_insertLogElement_#t~nondet10#1| |#race~next~0|), 8#L748true, Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 349#true, Black: 295#(= |#race~send~0| 0), 269#true, 148#L730-1true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork1_#t~nondet14#1| |#race~receive~0|), 354#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 279#true, Black: 344#true, 92#L762-1true]) [2025-03-08 22:08:51,384 INFO L294 olderBase$Statistics]: this new event has 183 ancestors and is cut-off event [2025-03-08 22:08:51,384 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is cut-off event [2025-03-08 22:08:51,384 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2025-03-08 22:08:51,384 INFO L297 olderBase$Statistics]: existing Event has 183 ancestors and is cut-off event [2025-03-08 22:08:51,422 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([640] L731-2-->L731: Formula: (= |v_t1Thread1of1ForFork1_#t~nondet14#1_3| |v_#race~receive~0_6|) InVars {t1Thread1of1ForFork1_#t~nondet14#1=|v_t1Thread1of1ForFork1_#t~nondet14#1_3|} OutVars{t1Thread1of1ForFork1_#t~nondet14#1=|v_t1Thread1of1ForFork1_#t~nondet14#1_3|, #race~receive~0=|v_#race~receive~0_6|} AuxVars[] AssignedVars[#race~receive~0][244], [Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |t1Thread1of1ForFork1_insertLogElement_#t~nondet10#1| |#race~next~0|), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 349#true, Black: 295#(= |#race~send~0| 0), 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 305#(= |#race~buffer_size~0| 0), 197#L747-1true, Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 307#true, Black: 339#true, 236#L731true, 354#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|), Black: 279#true, 92#L762-1true]) [2025-03-08 22:08:51,422 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is cut-off event [2025-03-08 22:08:51,422 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2025-03-08 22:08:51,422 INFO L297 olderBase$Statistics]: existing Event has 183 ancestors and is cut-off event [2025-03-08 22:08:51,422 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is cut-off event [2025-03-08 22:08:51,527 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([640] L731-2-->L731: Formula: (= |v_t1Thread1of1ForFork1_#t~nondet14#1_3| |v_#race~receive~0_6|) InVars {t1Thread1of1ForFork1_#t~nondet14#1=|v_t1Thread1of1ForFork1_#t~nondet14#1_3|} OutVars{t1Thread1of1ForFork1_#t~nondet14#1=|v_t1Thread1of1ForFork1_#t~nondet14#1_3|, #race~receive~0=|v_#race~receive~0_6|} AuxVars[] AssignedVars[#race~receive~0][244], [Black: 351#(= |t1Thread1of1ForFork1_insertLogElement_#t~nondet10#1| |#race~next~0|), Black: 318#(or (and (<= 2147483648 (mod ~next~0 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1|)) (and (= |t1Thread1of1ForFork1_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 349#true, Black: 295#(= |#race~send~0| 0), 269#true, Black: 328#(= |#race~send~0| |t1Thread1of1ForFork1_#t~nondet13#1|), 197#L747-1true, Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork0_#t~nondet19#1| |#race~receive~0|), Black: 303#true, Black: 339#true, 236#L731true, Black: 307#true, Black: 313#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 346#(= |#race~send~0| |t2Thread1of1ForFork0_#t~nondet20#1|), 356#(or (and (<= 2147483648 (mod (+ ~first~0 4294967295) 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (- 1) ~first~0 (* (div (+ ~first~0 4294967295) 4294967296) (- 4294967296)))) 0)) (and (<= (mod (+ ~first~0 4294967295) 4294967296) 2147483647) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| ~first~0 4294967295 (* (div (+ ~first~0 4294967295) 4294967296) (- 4294967296)))) 0))), Black: 279#true, 92#L762-1true]) [2025-03-08 22:08:51,527 INFO L294 olderBase$Statistics]: this new event has 202 ancestors and is cut-off event [2025-03-08 22:08:51,527 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is cut-off event [2025-03-08 22:08:51,527 INFO L297 olderBase$Statistics]: existing Event has 198 ancestors and is cut-off event [2025-03-08 22:08:51,527 INFO L297 olderBase$Statistics]: existing Event has 163 ancestors and is cut-off event [2025-03-08 22:08:51,565 INFO L124 PetriNetUnfolderBase]: 1164/10054 cut-off events. [2025-03-08 22:08:51,565 INFO L125 PetriNetUnfolderBase]: For 1892/2017 co-relation queries the response was YES. [2025-03-08 22:08:51,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15364 conditions, 10054 events. 1164/10054 cut-off events. For 1892/2017 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 113105 event pairs, 192 based on Foata normal form. 10/9264 useless extension candidates. Maximal degree in co-relation 15068. Up to 745 conditions per place. [2025-03-08 22:08:51,630 INFO L140 encePairwiseOnDemand]: 270/275 looper letters, 19 selfloop transitions, 5 changer transitions 0/290 dead transitions. [2025-03-08 22:08:51,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 290 transitions, 901 flow [2025-03-08 22:08:51,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:51,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 783 transitions. [2025-03-08 22:08:51,632 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9490909090909091 [2025-03-08 22:08:51,632 INFO L175 Difference]: Start difference. First operand has 266 places, 282 transitions, 834 flow. Second operand 3 states and 783 transitions. [2025-03-08 22:08:51,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 290 transitions, 901 flow [2025-03-08 22:08:51,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 290 transitions, 891 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:51,642 INFO L231 Difference]: Finished difference. Result has 268 places, 285 transitions, 860 flow [2025-03-08 22:08:51,643 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=860, PETRI_PLACES=268, PETRI_TRANSITIONS=285} [2025-03-08 22:08:51,643 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, 5 predicate places. [2025-03-08 22:08:51,643 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 285 transitions, 860 flow [2025-03-08 22:08:51,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.0) internal successors, (768), 3 states have internal predecessors, (768), 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 22:08:51,643 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:51,644 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:51,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-08 22:08:51,644 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t1Err12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-03-08 22:08:51,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:51,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1043054472, now seen corresponding path program 1 times [2025-03-08 22:08:51,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:51,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560449072] [2025-03-08 22:08:51,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:51,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:51,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-08 22:08:51,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-08 22:08:51,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:51,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:51,718 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 22:08:51,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:51,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560449072] [2025-03-08 22:08:51,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560449072] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:51,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:51,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 22:08:51,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427181489] [2025-03-08 22:08:51,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:51,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:51,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:51,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:51,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:51,733 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 275 [2025-03-08 22:08:51,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 285 transitions, 860 flow. Second operand has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 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 22:08:51,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:51,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 275 [2025-03-08 22:08:51,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:51,849 INFO L124 PetriNetUnfolderBase]: 151/1883 cut-off events. [2025-03-08 22:08:51,849 INFO L125 PetriNetUnfolderBase]: For 295/295 co-relation queries the response was YES. [2025-03-08 22:08:51,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2785 conditions, 1883 events. 151/1883 cut-off events. For 295/295 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 13753 event pairs, 17 based on Foata normal form. 40/1816 useless extension candidates. Maximal degree in co-relation 2100. Up to 98 conditions per place. [2025-03-08 22:08:51,855 INFO L140 encePairwiseOnDemand]: 271/275 looper letters, 0 selfloop transitions, 0 changer transitions 244/244 dead transitions. [2025-03-08 22:08:51,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 244 transitions, 669 flow [2025-03-08 22:08:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2025-03-08 22:08:51,857 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2025-03-08 22:08:51,857 INFO L175 Difference]: Start difference. First operand has 268 places, 285 transitions, 860 flow. Second operand 3 states and 790 transitions. [2025-03-08 22:08:51,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 244 transitions, 669 flow [2025-03-08 22:08:51,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 244 transitions, 585 flow, removed 21 selfloop flow, removed 16 redundant places. [2025-03-08 22:08:51,861 INFO L231 Difference]: Finished difference. Result has 244 places, 0 transitions, 0 flow [2025-03-08 22:08:51,861 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=244, PETRI_TRANSITIONS=0} [2025-03-08 22:08:51,862 INFO L279 CegarLoopForPetriNet]: 263 programPoint places, -19 predicate places. [2025-03-08 22:08:51,862 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 0 transitions, 0 flow [2025-03-08 22:08:51,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 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 22:08:51,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2025-03-08 22:08:51,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2025-03-08 22:08:51,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2025-03-08 22:08:51,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2025-03-08 22:08:51,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2025-03-08 22:08:51,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2025-03-08 22:08:51,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 54 remaining) [2025-03-08 22:08:51,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 54 remaining) [2025-03-08 22:08:51,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err12ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2025-03-08 22:08:51,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err11ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2025-03-08 22:08:51,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err10ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2025-03-08 22:08:51,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err9ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2025-03-08 22:08:51,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err8ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2025-03-08 22:08:51,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err7ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2025-03-08 22:08:51,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2025-03-08 22:08:51,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2025-03-08 22:08:51,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err9ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err8ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err7ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2025-03-08 22:08:51,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err12ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err11ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err10ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err9ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err8ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err7ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err9ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2025-03-08 22:08:51,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err8ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2025-03-08 22:08:51,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err7ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2025-03-08 22:08:51,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2025-03-08 22:08:51,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2025-03-08 22:08:51,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2025-03-08 22:08:51,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2025-03-08 22:08:51,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2025-03-08 22:08:51,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2025-03-08 22:08:51,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2025-03-08 22:08:51,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-08 22:08:51,869 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:51,874 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 22:08:51,874 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 22:08:51,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 10:08:51 BasicIcfg [2025-03-08 22:08:51,879 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 22:08:51,880 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 22:08:51,880 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 22:08:51,880 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 22:08:51,881 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:08:41" (3/4) ... [2025-03-08 22:08:51,882 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 22:08:51,884 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t1 [2025-03-08 22:08:51,884 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t2 [2025-03-08 22:08:51,887 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-08 22:08:51,888 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 22:08:51,888 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 22:08:51,888 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 22:08:51,954 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 22:08:51,954 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 22:08:51,954 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 22:08:51,954 INFO L158 Benchmark]: Toolchain (without parser) took 10964.39ms. Allocated memory was 142.6MB in the beginning and 780.1MB in the end (delta: 637.5MB). Free memory was 112.7MB in the beginning and 683.1MB in the end (delta: -570.4MB). Peak memory consumption was 519.5MB. Max. memory is 16.1GB. [2025-03-08 22:08:51,955 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:08:51,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.06ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 91.8MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 22:08:51,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.40ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:08:51,957 INFO L158 Benchmark]: Boogie Preprocessor took 28.30ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 88.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:08:51,957 INFO L158 Benchmark]: IcfgBuilder took 530.53ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 63.3MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 22:08:51,957 INFO L158 Benchmark]: TraceAbstraction took 9884.50ms. Allocated memory was 142.6MB in the beginning and 780.1MB in the end (delta: 637.5MB). Free memory was 62.3MB in the beginning and 238.1MB in the end (delta: -175.8MB). Peak memory consumption was 460.8MB. Max. memory is 16.1GB. [2025-03-08 22:08:51,958 INFO L158 Benchmark]: Witness Printer took 74.17ms. Allocated memory is still 780.1MB. Free memory was 238.1MB in the beginning and 683.1MB in the end (delta: -445.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:08:51,958 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.06ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 91.8MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.40ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.30ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 88.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 530.53ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 63.3MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9884.50ms. Allocated memory was 142.6MB in the beginning and 780.1MB in the end (delta: 637.5MB). Free memory was 62.3MB in the beginning and 238.1MB in the end (delta: -175.8MB). Peak memory consumption was 460.8MB. Max. memory is 16.1GB. * Witness Printer took 74.17ms. Allocated memory is still 780.1MB. Free memory was 238.1MB in the beginning and 683.1MB in the end (delta: -445.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 434 locations, 457 edges, 54 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: 9.7s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 705 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 248 mSDsluCounter, 172 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 885 IncrementalHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 172 mSDtfsCounter, 885 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=860occurred in iteration=20, InterpolantAutomatonStates: 63, 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, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1915 NumberOfCodeBlocks, 1915 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1894 ConstructedInterpolants, 0 QuantifiedInterpolants, 2199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 22:08:51,974 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 Result: TRUE