./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/goblint-regression/04-mutex_04-munge_nr.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 09d5acb2f81ee0994352651dad5f891cf0af6948836360f3240d2ea1a246e8a6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:34:57,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:34:57,444 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:34:57,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:34:57,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:34:57,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:34:57,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:34:57,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:34:57,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:34:57,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:34:57,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:34:57,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:34:57,469 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:34:57,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:34:57,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:34:57,470 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:34:57,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:34:57,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:34:57,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:34:57,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:34:57,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:34:57,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:34:57,475 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:34:57,475 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:34:57,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:34:57,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:34:57,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:34:57,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:34:57,475 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:34:57,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:34:57,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:34:57,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:34:57,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:34:57,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:34:57,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:34:57,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:34:57,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:34:57,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:34:57,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:34:57,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:34:57,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:34:57,478 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09d5acb2f81ee0994352651dad5f891cf0af6948836360f3240d2ea1a246e8a6 [2024-11-16 23:34:57,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:34:57,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:34:57,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:34:57,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:34:57,688 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:34:57,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i [2024-11-16 23:34:58,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:34:59,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:34:59,107 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i [2024-11-16 23:34:59,123 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d48d4575/f95f984b5c544a6497ee8822781eceb5/FLAG0a22f6dbe [2024-11-16 23:34:59,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d48d4575/f95f984b5c544a6497ee8822781eceb5 [2024-11-16 23:34:59,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:34:59,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:34:59,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:34:59,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:34:59,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:34:59,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:34:59,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76003927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59, skipping insertion in model container [2024-11-16 23:34:59,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:34:59,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:34:59,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:34:59,837 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:34:59,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:34:59,938 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:34:59,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59 WrapperNode [2024-11-16 23:34:59,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:34:59,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:34:59,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:34:59,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:34:59,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:34:59,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:34:59,974 INFO L138 Inliner]: procedures = 263, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-16 23:34:59,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:34:59,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:34:59,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:34:59,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:34:59,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:34:59,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:34:59,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:34:59,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:34:59,986 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:34:59,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:34:59,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:34:59,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:34:59,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:34:59,990 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:34:59,990 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:34:59,990 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:34:59,991 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59" (1/1) ... [2024-11-16 23:35:00,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:35:00,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:00,025 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) [2024-11-16 23:35:00,028 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 [2024-11-16 23:35:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:35:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:35:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:35:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-16 23:35:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-16 23:35:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:35:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:35:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:35:00,066 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:35:00,179 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:35:00,181 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:35:00,273 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:35:00,273 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:35:00,297 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:35:00,297 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:35:00,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:35:00 BoogieIcfgContainer [2024-11-16 23:35:00,298 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:35:00,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:35:00,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:35:00,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:35:00,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:34:59" (1/3) ... [2024-11-16 23:35:00,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202dfdfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:35:00, skipping insertion in model container [2024-11-16 23:35:00,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:34:59" (2/3) ... [2024-11-16 23:35:00,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202dfdfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:35:00, skipping insertion in model container [2024-11-16 23:35:00,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:35:00" (3/3) ... [2024-11-16 23:35:00,304 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_04-munge_nr.i [2024-11-16 23:35:00,318 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:35:00,318 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-16 23:35:00,318 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:35:00,354 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-16 23:35:00,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 64 transitions, 135 flow [2024-11-16 23:35:00,412 INFO L124 PetriNetUnfolderBase]: 0/63 cut-off events. [2024-11-16 23:35:00,412 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:35:00,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 0/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-16 23:35:00,416 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 64 transitions, 135 flow [2024-11-16 23:35:00,420 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 58 transitions, 119 flow [2024-11-16 23:35:00,426 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:35:00,431 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;@57bfcf47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:35:00,431 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-16 23:35:00,441 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:35:00,442 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-11-16 23:35:00,442 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:00,442 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:00,443 INFO L204 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] [2024-11-16 23:35:00,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:00,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:00,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1865436107, now seen corresponding path program 1 times [2024-11-16 23:35:00,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:00,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405075799] [2024-11-16 23:35:00,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:00,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:00,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:00,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405075799] [2024-11-16 23:35:00,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405075799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:00,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:00,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:35:00,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111996060] [2024-11-16 23:35:00,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:00,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:00,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:00,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:00,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:35:00,718 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 64 [2024-11-16 23:35:00,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) [2024-11-16 23:35:00,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:00,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 64 [2024-11-16 23:35:00,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:00,788 INFO L124 PetriNetUnfolderBase]: 31/195 cut-off events. [2024-11-16 23:35:00,789 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:35:00,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 195 events. 31/195 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 819 event pairs, 13 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 256. Up to 44 conditions per place. [2024-11-16 23:35:00,810 INFO L140 encePairwiseOnDemand]: 56/64 looper letters, 17 selfloop transitions, 6 changer transitions 0/68 dead transitions. [2024-11-16 23:35:00,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 68 transitions, 185 flow [2024-11-16 23:35:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:00,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:00,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2024-11-16 23:35:00,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9114583333333334 [2024-11-16 23:35:00,838 INFO L175 Difference]: Start difference. First operand has 62 places, 58 transitions, 119 flow. Second operand 3 states and 175 transitions. [2024-11-16 23:35:00,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 68 transitions, 185 flow [2024-11-16 23:35:00,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 68 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:00,859 INFO L231 Difference]: Finished difference. Result has 65 places, 64 transitions, 170 flow [2024-11-16 23:35:00,860 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=65, PETRI_TRANSITIONS=64} [2024-11-16 23:35:00,863 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 3 predicate places. [2024-11-16 23:35:00,863 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 64 transitions, 170 flow [2024-11-16 23:35:00,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) [2024-11-16 23:35:00,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:00,865 INFO L204 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] [2024-11-16 23:35:00,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:35:00,866 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:00,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:00,866 INFO L85 PathProgramCache]: Analyzing trace with hash 2096751671, now seen corresponding path program 1 times [2024-11-16 23:35:00,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:00,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410743500] [2024-11-16 23:35:00,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:00,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:00,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:00,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:00,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410743500] [2024-11-16 23:35:00,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410743500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:00,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:00,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:35:00,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913206692] [2024-11-16 23:35:00,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:00,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:00,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:00,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:00,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:35:00,978 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 64 [2024-11-16 23:35:00,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 64 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-16 23:35:00,982 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:00,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 64 [2024-11-16 23:35:00,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:01,037 INFO L124 PetriNetUnfolderBase]: 56/263 cut-off events. [2024-11-16 23:35:01,037 INFO L125 PetriNetUnfolderBase]: For 107/115 co-relation queries the response was YES. [2024-11-16 23:35:01,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 263 events. 56/263 cut-off events. For 107/115 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1292 event pairs, 30 based on Foata normal form. 4/251 useless extension candidates. Maximal degree in co-relation 476. Up to 108 conditions per place. [2024-11-16 23:35:01,041 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 18 selfloop transitions, 7 changer transitions 1/71 dead transitions. [2024-11-16 23:35:01,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 71 transitions, 246 flow [2024-11-16 23:35:01,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:01,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:01,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-11-16 23:35:01,044 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8645833333333334 [2024-11-16 23:35:01,044 INFO L175 Difference]: Start difference. First operand has 65 places, 64 transitions, 170 flow. Second operand 3 states and 166 transitions. [2024-11-16 23:35:01,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 71 transitions, 246 flow [2024-11-16 23:35:01,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 71 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:35:01,051 INFO L231 Difference]: Finished difference. Result has 67 places, 69 transitions, 214 flow [2024-11-16 23:35:01,051 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=67, PETRI_TRANSITIONS=69} [2024-11-16 23:35:01,052 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 5 predicate places. [2024-11-16 23:35:01,052 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 69 transitions, 214 flow [2024-11-16 23:35:01,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-16 23:35:01,052 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:01,052 INFO L204 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] [2024-11-16 23:35:01,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:35:01,053 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:01,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:01,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1078051369, now seen corresponding path program 1 times [2024-11-16 23:35:01,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:01,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551183781] [2024-11-16 23:35:01,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:01,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:01,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:01,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551183781] [2024-11-16 23:35:01,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551183781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:01,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:01,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:35:01,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901697827] [2024-11-16 23:35:01,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:01,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:01,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:01,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:01,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:35:01,122 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 64 [2024-11-16 23:35:01,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 69 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-16 23:35:01,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:01,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 64 [2024-11-16 23:35:01,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:01,179 INFO L124 PetriNetUnfolderBase]: 69/302 cut-off events. [2024-11-16 23:35:01,179 INFO L125 PetriNetUnfolderBase]: For 223/230 co-relation queries the response was YES. [2024-11-16 23:35:01,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 652 conditions, 302 events. 69/302 cut-off events. For 223/230 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1526 event pairs, 30 based on Foata normal form. 2/289 useless extension candidates. Maximal degree in co-relation 627. Up to 125 conditions per place. [2024-11-16 23:35:01,182 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 17 selfloop transitions, 7 changer transitions 7/76 dead transitions. [2024-11-16 23:35:01,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 76 transitions, 300 flow [2024-11-16 23:35:01,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:01,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-11-16 23:35:01,184 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8645833333333334 [2024-11-16 23:35:01,184 INFO L175 Difference]: Start difference. First operand has 67 places, 69 transitions, 214 flow. Second operand 3 states and 166 transitions. [2024-11-16 23:35:01,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 76 transitions, 300 flow [2024-11-16 23:35:01,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 76 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:35:01,189 INFO L231 Difference]: Finished difference. Result has 69 places, 68 transitions, 232 flow [2024-11-16 23:35:01,189 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=69, PETRI_TRANSITIONS=68} [2024-11-16 23:35:01,190 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 7 predicate places. [2024-11-16 23:35:01,190 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 68 transitions, 232 flow [2024-11-16 23:35:01,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-16 23:35:01,191 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:01,191 INFO L204 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] [2024-11-16 23:35:01,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:35:01,191 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:01,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:01,192 INFO L85 PathProgramCache]: Analyzing trace with hash -21036884, now seen corresponding path program 1 times [2024-11-16 23:35:01,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:01,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573715686] [2024-11-16 23:35:01,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:01,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:01,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:01,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573715686] [2024-11-16 23:35:01,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573715686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:01,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:01,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:35:01,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035080548] [2024-11-16 23:35:01,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:01,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:35:01,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:01,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:35:01,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:35:01,521 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-16 23:35:01,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 68 transitions, 232 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:01,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:01,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-16 23:35:01,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:01,721 INFO L124 PetriNetUnfolderBase]: 72/420 cut-off events. [2024-11-16 23:35:01,721 INFO L125 PetriNetUnfolderBase]: For 185/185 co-relation queries the response was YES. [2024-11-16 23:35:01,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 862 conditions, 420 events. 72/420 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2430 event pairs, 10 based on Foata normal form. 1/412 useless extension candidates. Maximal degree in co-relation 835. Up to 54 conditions per place. [2024-11-16 23:35:01,723 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 17 selfloop transitions, 14 changer transitions 21/104 dead transitions. [2024-11-16 23:35:01,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 104 transitions, 408 flow [2024-11-16 23:35:01,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:35:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:35:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 570 transitions. [2024-11-16 23:35:01,728 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8096590909090909 [2024-11-16 23:35:01,728 INFO L175 Difference]: Start difference. First operand has 69 places, 68 transitions, 232 flow. Second operand 11 states and 570 transitions. [2024-11-16 23:35:01,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 104 transitions, 408 flow [2024-11-16 23:35:01,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 104 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:35:01,734 INFO L231 Difference]: Finished difference. Result has 79 places, 74 transitions, 264 flow [2024-11-16 23:35:01,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=264, PETRI_PLACES=79, PETRI_TRANSITIONS=74} [2024-11-16 23:35:01,735 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 17 predicate places. [2024-11-16 23:35:01,735 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 74 transitions, 264 flow [2024-11-16 23:35:01,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:01,736 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:01,736 INFO L204 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] [2024-11-16 23:35:01,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:35:01,737 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:01,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:01,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2067241920, now seen corresponding path program 2 times [2024-11-16 23:35:01,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:01,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046442059] [2024-11-16 23:35:01,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:01,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:01,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:01,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046442059] [2024-11-16 23:35:01,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046442059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:01,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:01,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:35:01,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641740027] [2024-11-16 23:35:01,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:01,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:35:01,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:01,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:35:01,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:35:01,970 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-16 23:35:01,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 74 transitions, 264 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:01,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:01,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-16 23:35:01,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:02,104 INFO L124 PetriNetUnfolderBase]: 33/287 cut-off events. [2024-11-16 23:35:02,104 INFO L125 PetriNetUnfolderBase]: For 134/139 co-relation queries the response was YES. [2024-11-16 23:35:02,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 287 events. 33/287 cut-off events. For 134/139 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1420 event pairs, 5 based on Foata normal form. 7/287 useless extension candidates. Maximal degree in co-relation 601. Up to 40 conditions per place. [2024-11-16 23:35:02,105 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 18 selfloop transitions, 9 changer transitions 11/90 dead transitions. [2024-11-16 23:35:02,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 90 transitions, 397 flow [2024-11-16 23:35:02,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 23:35:02,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 23:35:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 460 transitions. [2024-11-16 23:35:02,107 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7986111111111112 [2024-11-16 23:35:02,107 INFO L175 Difference]: Start difference. First operand has 79 places, 74 transitions, 264 flow. Second operand 9 states and 460 transitions. [2024-11-16 23:35:02,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 90 transitions, 397 flow [2024-11-16 23:35:02,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 90 transitions, 395 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:02,109 INFO L231 Difference]: Finished difference. Result has 89 places, 72 transitions, 289 flow [2024-11-16 23:35:02,110 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=289, PETRI_PLACES=89, PETRI_TRANSITIONS=72} [2024-11-16 23:35:02,110 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 27 predicate places. [2024-11-16 23:35:02,110 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 72 transitions, 289 flow [2024-11-16 23:35:02,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:02,111 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:02,111 INFO L204 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] [2024-11-16 23:35:02,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:35:02,111 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:02,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:02,112 INFO L85 PathProgramCache]: Analyzing trace with hash 596870780, now seen corresponding path program 3 times [2024-11-16 23:35:02,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:02,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867585650] [2024-11-16 23:35:02,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:02,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:02,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:02,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867585650] [2024-11-16 23:35:02,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867585650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:02,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:02,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:35:02,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248789504] [2024-11-16 23:35:02,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:02,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:35:02,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:02,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:35:02,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:35:02,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-16 23:35:02,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 72 transitions, 289 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:02,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:02,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-16 23:35:02,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:02,425 INFO L124 PetriNetUnfolderBase]: 59/444 cut-off events. [2024-11-16 23:35:02,425 INFO L125 PetriNetUnfolderBase]: For 395/404 co-relation queries the response was YES. [2024-11-16 23:35:02,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1072 conditions, 444 events. 59/444 cut-off events. For 395/404 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2781 event pairs, 7 based on Foata normal form. 5/437 useless extension candidates. Maximal degree in co-relation 1055. Up to 70 conditions per place. [2024-11-16 23:35:02,428 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 18 selfloop transitions, 19 changer transitions 3/92 dead transitions. [2024-11-16 23:35:02,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 92 transitions, 466 flow [2024-11-16 23:35:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 23:35:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-16 23:35:02,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 510 transitions. [2024-11-16 23:35:02,429 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.796875 [2024-11-16 23:35:02,429 INFO L175 Difference]: Start difference. First operand has 89 places, 72 transitions, 289 flow. Second operand 10 states and 510 transitions. [2024-11-16 23:35:02,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 92 transitions, 466 flow [2024-11-16 23:35:02,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 92 transitions, 410 flow, removed 6 selfloop flow, removed 9 redundant places. [2024-11-16 23:35:02,432 INFO L231 Difference]: Finished difference. Result has 88 places, 81 transitions, 368 flow [2024-11-16 23:35:02,432 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=368, PETRI_PLACES=88, PETRI_TRANSITIONS=81} [2024-11-16 23:35:02,433 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 26 predicate places. [2024-11-16 23:35:02,433 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 81 transitions, 368 flow [2024-11-16 23:35:02,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:02,433 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:02,433 INFO L204 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] [2024-11-16 23:35:02,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:35:02,434 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:02,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:02,434 INFO L85 PathProgramCache]: Analyzing trace with hash 228468648, now seen corresponding path program 4 times [2024-11-16 23:35:02,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:02,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006179572] [2024-11-16 23:35:02,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:02,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:02,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:02,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:02,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006179572] [2024-11-16 23:35:02,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006179572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:02,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:02,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:35:02,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542746529] [2024-11-16 23:35:02,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:02,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:35:02,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:02,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:35:02,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:35:02,569 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-16 23:35:02,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 81 transitions, 368 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:02,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:02,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-16 23:35:02,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:02,726 INFO L124 PetriNetUnfolderBase]: 94/661 cut-off events. [2024-11-16 23:35:02,726 INFO L125 PetriNetUnfolderBase]: For 769/784 co-relation queries the response was YES. [2024-11-16 23:35:02,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1649 conditions, 661 events. 94/661 cut-off events. For 769/784 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4858 event pairs, 14 based on Foata normal form. 11/652 useless extension candidates. Maximal degree in co-relation 1616. Up to 106 conditions per place. [2024-11-16 23:35:02,729 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 26 selfloop transitions, 22 changer transitions 8/108 dead transitions. [2024-11-16 23:35:02,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 108 transitions, 632 flow [2024-11-16 23:35:02,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 23:35:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 23:35:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 468 transitions. [2024-11-16 23:35:02,730 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8125 [2024-11-16 23:35:02,730 INFO L175 Difference]: Start difference. First operand has 88 places, 81 transitions, 368 flow. Second operand 9 states and 468 transitions. [2024-11-16 23:35:02,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 108 transitions, 632 flow [2024-11-16 23:35:02,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 108 transitions, 611 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:35:02,733 INFO L231 Difference]: Finished difference. Result has 99 places, 90 transitions, 501 flow [2024-11-16 23:35:02,733 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=501, PETRI_PLACES=99, PETRI_TRANSITIONS=90} [2024-11-16 23:35:02,734 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 37 predicate places. [2024-11-16 23:35:02,734 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 90 transitions, 501 flow [2024-11-16 23:35:02,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:02,734 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:02,735 INFO L204 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] [2024-11-16 23:35:02,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:35:02,735 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:02,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:02,735 INFO L85 PathProgramCache]: Analyzing trace with hash -366541272, now seen corresponding path program 5 times [2024-11-16 23:35:02,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:02,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759532151] [2024-11-16 23:35:02,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:02,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:02,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:02,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:02,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759532151] [2024-11-16 23:35:02,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759532151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:02,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:02,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:35:02,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587783529] [2024-11-16 23:35:02,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:02,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:35:02,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:02,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:35:02,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:35:02,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-16 23:35:02,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 90 transitions, 501 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:02,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:02,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-16 23:35:02,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:03,033 INFO L124 PetriNetUnfolderBase]: 91/634 cut-off events. [2024-11-16 23:35:03,034 INFO L125 PetriNetUnfolderBase]: For 1265/1285 co-relation queries the response was YES. [2024-11-16 23:35:03,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1724 conditions, 634 events. 91/634 cut-off events. For 1265/1285 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4606 event pairs, 14 based on Foata normal form. 12/624 useless extension candidates. Maximal degree in co-relation 1696. Up to 100 conditions per place. [2024-11-16 23:35:03,036 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 23 selfloop transitions, 22 changer transitions 9/106 dead transitions. [2024-11-16 23:35:03,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 106 transitions, 712 flow [2024-11-16 23:35:03,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 23:35:03,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 23:35:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 465 transitions. [2024-11-16 23:35:03,038 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8072916666666666 [2024-11-16 23:35:03,038 INFO L175 Difference]: Start difference. First operand has 99 places, 90 transitions, 501 flow. Second operand 9 states and 465 transitions. [2024-11-16 23:35:03,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 106 transitions, 712 flow [2024-11-16 23:35:03,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 106 transitions, 686 flow, removed 8 selfloop flow, removed 4 redundant places. [2024-11-16 23:35:03,041 INFO L231 Difference]: Finished difference. Result has 105 places, 89 transitions, 553 flow [2024-11-16 23:35:03,041 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=553, PETRI_PLACES=105, PETRI_TRANSITIONS=89} [2024-11-16 23:35:03,045 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 43 predicate places. [2024-11-16 23:35:03,045 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 89 transitions, 553 flow [2024-11-16 23:35:03,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:03,046 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:03,046 INFO L204 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] [2024-11-16 23:35:03,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:35:03,046 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:03,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:03,047 INFO L85 PathProgramCache]: Analyzing trace with hash -121647786, now seen corresponding path program 6 times [2024-11-16 23:35:03,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:03,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203681682] [2024-11-16 23:35:03,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:03,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:03,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:03,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203681682] [2024-11-16 23:35:03,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203681682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:03,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:03,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:35:03,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401758392] [2024-11-16 23:35:03,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:03,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:35:03,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:03,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:35:03,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:35:03,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-16 23:35:03,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 89 transitions, 553 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:03,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:03,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-16 23:35:03,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:03,320 INFO L124 PetriNetUnfolderBase]: 88/608 cut-off events. [2024-11-16 23:35:03,321 INFO L125 PetriNetUnfolderBase]: For 1856/1876 co-relation queries the response was YES. [2024-11-16 23:35:03,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1739 conditions, 608 events. 88/608 cut-off events. For 1856/1876 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4368 event pairs, 12 based on Foata normal form. 8/596 useless extension candidates. Maximal degree in co-relation 1710. Up to 96 conditions per place. [2024-11-16 23:35:03,323 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 23 selfloop transitions, 24 changer transitions 2/101 dead transitions. [2024-11-16 23:35:03,323 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 101 transitions, 722 flow [2024-11-16 23:35:03,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 23:35:03,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-16 23:35:03,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 516 transitions. [2024-11-16 23:35:03,325 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.80625 [2024-11-16 23:35:03,325 INFO L175 Difference]: Start difference. First operand has 105 places, 89 transitions, 553 flow. Second operand 10 states and 516 transitions. [2024-11-16 23:35:03,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 101 transitions, 722 flow [2024-11-16 23:35:03,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 101 transitions, 650 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-16 23:35:03,329 INFO L231 Difference]: Finished difference. Result has 107 places, 93 transitions, 602 flow [2024-11-16 23:35:03,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=602, PETRI_PLACES=107, PETRI_TRANSITIONS=93} [2024-11-16 23:35:03,330 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 45 predicate places. [2024-11-16 23:35:03,330 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 93 transitions, 602 flow [2024-11-16 23:35:03,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:03,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:03,331 INFO L204 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] [2024-11-16 23:35:03,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:35:03,331 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:03,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:03,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1351707588, now seen corresponding path program 7 times [2024-11-16 23:35:03,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:03,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170526919] [2024-11-16 23:35:03,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:03,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:03,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:03,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170526919] [2024-11-16 23:35:03,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170526919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:03,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:03,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:35:03,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631466778] [2024-11-16 23:35:03,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:03,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:35:03,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:03,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:35:03,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:35:03,448 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-16 23:35:03,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 93 transitions, 602 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:03,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:03,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-16 23:35:03,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:03,620 INFO L124 PetriNetUnfolderBase]: 59/469 cut-off events. [2024-11-16 23:35:03,620 INFO L125 PetriNetUnfolderBase]: For 1278/1295 co-relation queries the response was YES. [2024-11-16 23:35:03,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1346 conditions, 469 events. 59/469 cut-off events. For 1278/1295 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3004 event pairs, 9 based on Foata normal form. 7/462 useless extension candidates. Maximal degree in co-relation 1306. Up to 72 conditions per place. [2024-11-16 23:35:03,622 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 19 selfloop transitions, 14 changer transitions 8/93 dead transitions. [2024-11-16 23:35:03,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 93 transitions, 636 flow [2024-11-16 23:35:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 23:35:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 23:35:03,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 462 transitions. [2024-11-16 23:35:03,624 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8020833333333334 [2024-11-16 23:35:03,624 INFO L175 Difference]: Start difference. First operand has 107 places, 93 transitions, 602 flow. Second operand 9 states and 462 transitions. [2024-11-16 23:35:03,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 93 transitions, 636 flow [2024-11-16 23:35:03,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 93 transitions, 596 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-16 23:35:03,629 INFO L231 Difference]: Finished difference. Result has 109 places, 83 transitions, 471 flow [2024-11-16 23:35:03,630 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=471, PETRI_PLACES=109, PETRI_TRANSITIONS=83} [2024-11-16 23:35:03,630 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 47 predicate places. [2024-11-16 23:35:03,631 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 83 transitions, 471 flow [2024-11-16 23:35:03,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:03,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:03,632 INFO L204 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] [2024-11-16 23:35:03,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:35:03,632 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:03,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:03,632 INFO L85 PathProgramCache]: Analyzing trace with hash 868233570, now seen corresponding path program 8 times [2024-11-16 23:35:03,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:03,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404854853] [2024-11-16 23:35:03,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:03,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:03,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:03,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404854853] [2024-11-16 23:35:03,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404854853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:03,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:03,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:35:03,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016554495] [2024-11-16 23:35:03,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:03,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:35:03,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:03,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:35:03,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:35:03,776 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-16 23:35:03,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 83 transitions, 471 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:03,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:03,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-16 23:35:03,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:03,882 INFO L124 PetriNetUnfolderBase]: 25/275 cut-off events. [2024-11-16 23:35:03,882 INFO L125 PetriNetUnfolderBase]: For 539/546 co-relation queries the response was YES. [2024-11-16 23:35:03,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 749 conditions, 275 events. 25/275 cut-off events. For 539/546 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1360 event pairs, 6 based on Foata normal form. 4/271 useless extension candidates. Maximal degree in co-relation 724. Up to 40 conditions per place. [2024-11-16 23:35:03,883 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 12 selfloop transitions, 8 changer transitions 8/80 dead transitions. [2024-11-16 23:35:03,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 80 transitions, 461 flow [2024-11-16 23:35:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 23:35:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-16 23:35:03,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 404 transitions. [2024-11-16 23:35:03,885 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7890625 [2024-11-16 23:35:03,885 INFO L175 Difference]: Start difference. First operand has 109 places, 83 transitions, 471 flow. Second operand 8 states and 404 transitions. [2024-11-16 23:35:03,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 80 transitions, 461 flow [2024-11-16 23:35:03,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 80 transitions, 403 flow, removed 8 selfloop flow, removed 14 redundant places. [2024-11-16 23:35:03,887 INFO L231 Difference]: Finished difference. Result has 95 places, 70 transitions, 300 flow [2024-11-16 23:35:03,887 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=300, PETRI_PLACES=95, PETRI_TRANSITIONS=70} [2024-11-16 23:35:03,888 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 33 predicate places. [2024-11-16 23:35:03,888 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 70 transitions, 300 flow [2024-11-16 23:35:03,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:03,888 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:03,889 INFO L204 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] [2024-11-16 23:35:03,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:35:03,889 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:03,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:03,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1939651716, now seen corresponding path program 9 times [2024-11-16 23:35:03,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:03,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751856104] [2024-11-16 23:35:03,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:03,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:03,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:03,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751856104] [2024-11-16 23:35:03,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751856104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:03,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:03,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:35:03,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763640242] [2024-11-16 23:35:03,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:03,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:35:03,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:03,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:35:03,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:35:04,002 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-16 23:35:04,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 70 transitions, 300 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:04,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:04,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-16 23:35:04,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:04,095 INFO L124 PetriNetUnfolderBase]: 23/229 cut-off events. [2024-11-16 23:35:04,096 INFO L125 PetriNetUnfolderBase]: For 282/287 co-relation queries the response was YES. [2024-11-16 23:35:04,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 584 conditions, 229 events. 23/229 cut-off events. For 282/287 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1053 event pairs, 4 based on Foata normal form. 4/227 useless extension candidates. Maximal degree in co-relation 571. Up to 32 conditions per place. [2024-11-16 23:35:04,096 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 8 selfloop transitions, 12 changer transitions 3/75 dead transitions. [2024-11-16 23:35:04,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 75 transitions, 362 flow [2024-11-16 23:35:04,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 23:35:04,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-16 23:35:04,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 400 transitions. [2024-11-16 23:35:04,098 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.78125 [2024-11-16 23:35:04,098 INFO L175 Difference]: Start difference. First operand has 95 places, 70 transitions, 300 flow. Second operand 8 states and 400 transitions. [2024-11-16 23:35:04,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 75 transitions, 362 flow [2024-11-16 23:35:04,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 75 transitions, 312 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-11-16 23:35:04,099 INFO L231 Difference]: Finished difference. Result has 83 places, 70 transitions, 280 flow [2024-11-16 23:35:04,099 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=280, PETRI_PLACES=83, PETRI_TRANSITIONS=70} [2024-11-16 23:35:04,100 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 21 predicate places. [2024-11-16 23:35:04,100 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 70 transitions, 280 flow [2024-11-16 23:35:04,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:04,109 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:04,109 INFO L204 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] [2024-11-16 23:35:04,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:35:04,109 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:04,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:04,110 INFO L85 PathProgramCache]: Analyzing trace with hash 357560178, now seen corresponding path program 10 times [2024-11-16 23:35:04,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:04,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011185304] [2024-11-16 23:35:04,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:04,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:04,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:04,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011185304] [2024-11-16 23:35:04,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011185304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:04,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:04,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:35:04,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121319220] [2024-11-16 23:35:04,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:04,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:35:04,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:04,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:35:04,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:35:04,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-16 23:35:04,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 70 transitions, 280 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:04,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:04,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-16 23:35:04,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:04,287 INFO L124 PetriNetUnfolderBase]: 5/72 cut-off events. [2024-11-16 23:35:04,287 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-16 23:35:04,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 72 events. 5/72 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 120 event pairs, 1 based on Foata normal form. 2/74 useless extension candidates. Maximal degree in co-relation 152. Up to 9 conditions per place. [2024-11-16 23:35:04,287 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2024-11-16 23:35:04,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 48 transitions, 193 flow [2024-11-16 23:35:04,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 23:35:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-16 23:35:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 345 transitions. [2024-11-16 23:35:04,288 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7700892857142857 [2024-11-16 23:35:04,288 INFO L175 Difference]: Start difference. First operand has 83 places, 70 transitions, 280 flow. Second operand 7 states and 345 transitions. [2024-11-16 23:35:04,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 48 transitions, 193 flow [2024-11-16 23:35:04,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 48 transitions, 149 flow, removed 8 selfloop flow, removed 11 redundant places. [2024-11-16 23:35:04,289 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2024-11-16 23:35:04,289 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2024-11-16 23:35:04,290 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 0 predicate places. [2024-11-16 23:35:04,290 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2024-11-16 23:35:04,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 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) [2024-11-16 23:35:04,292 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-16 23:35:04,292 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-16 23:35:04,292 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-16 23:35:04,292 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-16 23:35:04,292 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-16 23:35:04,292 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-16 23:35:04,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-16 23:35:04,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:35:04,293 INFO L407 BasicCegarLoop]: Path program histogram: [10, 1, 1, 1] [2024-11-16 23:35:04,296 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:35:04,296 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:35:04,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:35:04 BasicIcfg [2024-11-16 23:35:04,299 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:35:04,300 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:35:04,300 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:35:04,300 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:35:04,300 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:35:00" (3/4) ... [2024-11-16 23:35:04,301 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:35:04,303 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-16 23:35:04,305 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-16 23:35:04,306 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:35:04,306 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:35:04,356 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:35:04,356 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:35:04,356 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:35:04,357 INFO L158 Benchmark]: Toolchain (without parser) took 4894.47ms. Allocated memory was 176.2MB in the beginning and 272.6MB in the end (delta: 96.5MB). Free memory was 102.1MB in the beginning and 182.3MB in the end (delta: -80.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-16 23:35:04,357 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:35:04,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.72ms. Allocated memory is still 176.2MB. Free memory was 101.9MB in the beginning and 135.1MB in the end (delta: -33.2MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-11-16 23:35:04,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.40ms. Allocated memory is still 176.2MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:35:04,357 INFO L158 Benchmark]: Boogie Preprocessor took 14.42ms. Allocated memory is still 176.2MB. Free memory was 133.0MB in the beginning and 132.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:35:04,357 INFO L158 Benchmark]: IcfgBuilder took 307.92ms. Allocated memory is still 176.2MB. Free memory was 132.0MB in the beginning and 117.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 23:35:04,357 INFO L158 Benchmark]: TraceAbstraction took 3999.94ms. Allocated memory was 176.2MB in the beginning and 272.6MB in the end (delta: 96.5MB). Free memory was 117.3MB in the beginning and 186.5MB in the end (delta: -69.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-16 23:35:04,358 INFO L158 Benchmark]: Witness Printer took 56.55ms. Allocated memory is still 272.6MB. Free memory was 186.5MB in the beginning and 182.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:35:04,359 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.72ms. Allocated memory is still 176.2MB. Free memory was 101.9MB in the beginning and 135.1MB in the end (delta: -33.2MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.40ms. Allocated memory is still 176.2MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.42ms. Allocated memory is still 176.2MB. Free memory was 133.0MB in the beginning and 132.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 307.92ms. Allocated memory is still 176.2MB. Free memory was 132.0MB in the beginning and 117.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3999.94ms. Allocated memory was 176.2MB in the beginning and 272.6MB in the end (delta: 96.5MB). Free memory was 117.3MB in the beginning and 186.5MB in the end (delta: -69.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 56.55ms. Allocated memory is still 272.6MB. Free memory was 186.5MB in the beginning and 182.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 88 locations, 7 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: 3.9s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 788 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 647 mSDsluCounter, 1112 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1012 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1681 IncrementalHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 100 mSDtfsCounter, 1681 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred in iteration=9, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 454 NumberOfCodeBlocks, 454 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 1065 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:35:04,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE