./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.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 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:52:08,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:52:08,522 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:52:08,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:52:08,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:52:08,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:52:08,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:52:08,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:52:08,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:52:08,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:52:08,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:52:08,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:52:08,586 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:52:08,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:52:08,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:52:08,588 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:52:08,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:52:08,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:52:08,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:52:08,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:52:08,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:52:08,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:52:08,591 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:52:08,592 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:52:08,592 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:52:08,592 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:52:08,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:52:08,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:52:08,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:52:08,593 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:52:08,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:52:08,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:52:08,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:52:08,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:52:08,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:52:08,594 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:52:08,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:52:08,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:52:08,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:52:08,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:52:08,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:52:08,598 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 [2024-10-13 09:52:08,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:52:08,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:52:08,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:52:08,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:52:08,864 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:52:08,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2024-10-13 09:52:10,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:52:10,432 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:52:10,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2024-10-13 09:52:10,450 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f19c650/2501415e47b54bbc9ad693da091daf32/FLAG69018bf41 [2024-10-13 09:52:10,804 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f19c650/2501415e47b54bbc9ad693da091daf32 [2024-10-13 09:52:10,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:52:10,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:52:10,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:52:10,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:52:10,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:52:10,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:52:10" (1/1) ... [2024-10-13 09:52:10,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7a47b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:10, skipping insertion in model container [2024-10-13 09:52:10,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:52:10" (1/1) ... [2024-10-13 09:52:10,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:52:11,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:52:11,227 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:52:11,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:52:11,292 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:52:11,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11 WrapperNode [2024-10-13 09:52:11,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:52:11,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:52:11,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:52:11,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:52:11,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11" (1/1) ... [2024-10-13 09:52:11,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11" (1/1) ... [2024-10-13 09:52:11,330 INFO L138 Inliner]: procedures = 162, calls = 22, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 119 [2024-10-13 09:52:11,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:52:11,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:52:11,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:52:11,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:52:11,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11" (1/1) ... [2024-10-13 09:52:11,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11" (1/1) ... [2024-10-13 09:52:11,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11" (1/1) ... [2024-10-13 09:52:11,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11" (1/1) ... [2024-10-13 09:52:11,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11" (1/1) ... [2024-10-13 09:52:11,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11" (1/1) ... [2024-10-13 09:52:11,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11" (1/1) ... [2024-10-13 09:52:11,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11" (1/1) ... [2024-10-13 09:52:11,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:52:11,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:52:11,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:52:11,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:52:11,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11" (1/1) ... [2024-10-13 09:52:11,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:52:11,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:52:11,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 09:52:11,396 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 [2024-10-13 09:52:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-13 09:52:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:52:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-13 09:52:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-13 09:52:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:52:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-13 09:52:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:52:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:52:11,437 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:52:11,582 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:52:11,584 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:52:11,906 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:52:11,906 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:52:11,954 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:52:11,954 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 09:52:11,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:52:11 BoogieIcfgContainer [2024-10-13 09:52:11,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:52:11,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:52:11,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:52:11,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:52:11,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:52:10" (1/3) ... [2024-10-13 09:52:11,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1032e358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:52:11, skipping insertion in model container [2024-10-13 09:52:11,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:52:11" (2/3) ... [2024-10-13 09:52:11,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1032e358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:52:11, skipping insertion in model container [2024-10-13 09:52:11,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:52:11" (3/3) ... [2024-10-13 09:52:11,971 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2024-10-13 09:52:11,987 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:52:11,987 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-13 09:52:11,988 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:52:12,043 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-13 09:52:12,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 146 places, 150 transitions, 307 flow [2024-10-13 09:52:12,149 INFO L124 PetriNetUnfolderBase]: 8/149 cut-off events. [2024-10-13 09:52:12,149 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 09:52:12,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 149 events. 8/149 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 181 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2024-10-13 09:52:12,163 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 150 transitions, 307 flow [2024-10-13 09:52:12,169 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 144 transitions, 291 flow [2024-10-13 09:52:12,181 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:52:12,190 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;@1cf5f275, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:52:12,190 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-10-13 09:52:12,201 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:52:12,202 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-13 09:52:12,203 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:52:12,203 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:52:12,204 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] [2024-10-13 09:52:12,204 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-10-13 09:52:12,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:52:12,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1449494020, now seen corresponding path program 1 times [2024-10-13 09:52:12,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:52:12,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274089137] [2024-10-13 09:52:12,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:52:12,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:52:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:52:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:52:12,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:52:12,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274089137] [2024-10-13 09:52:12,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274089137] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:52:12,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:52:12,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:52:12,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748158786] [2024-10-13 09:52:12,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:52:12,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:52:12,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:52:12,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:52:12,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:52:12,483 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 150 [2024-10-13 09:52:12,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 144 transitions, 291 flow. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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) [2024-10-13 09:52:12,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:52:12,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 150 [2024-10-13 09:52:12,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:52:12,611 INFO L124 PetriNetUnfolderBase]: 110/849 cut-off events. [2024-10-13 09:52:12,612 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 09:52:12,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1124 conditions, 849 events. 110/849 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5303 event pairs, 49 based on Foata normal form. 86/840 useless extension candidates. Maximal degree in co-relation 1074. Up to 167 conditions per place. [2024-10-13 09:52:12,618 INFO L140 encePairwiseOnDemand]: 121/150 looper letters, 29 selfloop transitions, 15 changer transitions 3/145 dead transitions. [2024-10-13 09:52:12,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 145 transitions, 381 flow [2024-10-13 09:52:12,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:52:12,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:52:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2024-10-13 09:52:12,634 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8755555555555555 [2024-10-13 09:52:12,636 INFO L175 Difference]: Start difference. First operand has 140 places, 144 transitions, 291 flow. Second operand 3 states and 394 transitions. [2024-10-13 09:52:12,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 145 transitions, 381 flow [2024-10-13 09:52:12,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 145 transitions, 380 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:52:12,644 INFO L231 Difference]: Finished difference. Result has 134 places, 138 transitions, 376 flow [2024-10-13 09:52:12,646 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=376, PETRI_PLACES=134, PETRI_TRANSITIONS=138} [2024-10-13 09:52:12,649 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -6 predicate places. [2024-10-13 09:52:12,649 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 138 transitions, 376 flow [2024-10-13 09:52:12,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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) [2024-10-13 09:52:12,650 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:52:12,650 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:52:12,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:52:12,651 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-10-13 09:52:12,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:52:12,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1865752038, now seen corresponding path program 1 times [2024-10-13 09:52:12,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:52:12,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869906821] [2024-10-13 09:52:12,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:52:12,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:52:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:52:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:52:12,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:52:12,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869906821] [2024-10-13 09:52:12,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869906821] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:52:12,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:52:12,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:52:12,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653692933] [2024-10-13 09:52:12,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:52:12,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:52:12,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:52:12,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:52:12,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:52:12,786 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 150 [2024-10-13 09:52:12,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 138 transitions, 376 flow. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 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) [2024-10-13 09:52:12,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:52:12,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 150 [2024-10-13 09:52:12,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:52:12,907 INFO L124 PetriNetUnfolderBase]: 132/983 cut-off events. [2024-10-13 09:52:12,908 INFO L125 PetriNetUnfolderBase]: For 294/314 co-relation queries the response was YES. [2024-10-13 09:52:12,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 983 events. 132/983 cut-off events. For 294/314 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 6544 event pairs, 59 based on Foata normal form. 2/883 useless extension candidates. Maximal degree in co-relation 1551. Up to 229 conditions per place. [2024-10-13 09:52:12,913 INFO L140 encePairwiseOnDemand]: 142/150 looper letters, 29 selfloop transitions, 10 changer transitions 0/148 dead transitions. [2024-10-13 09:52:12,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 148 transitions, 494 flow [2024-10-13 09:52:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:52:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:52:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2024-10-13 09:52:12,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8377777777777777 [2024-10-13 09:52:12,916 INFO L175 Difference]: Start difference. First operand has 134 places, 138 transitions, 376 flow. Second operand 3 states and 377 transitions. [2024-10-13 09:52:12,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 148 transitions, 494 flow [2024-10-13 09:52:12,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 148 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:52:12,921 INFO L231 Difference]: Finished difference. Result has 133 places, 146 transitions, 432 flow [2024-10-13 09:52:12,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=133, PETRI_TRANSITIONS=146} [2024-10-13 09:52:12,922 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -7 predicate places. [2024-10-13 09:52:12,922 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 146 transitions, 432 flow [2024-10-13 09:52:12,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 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) [2024-10-13 09:52:12,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:52:12,922 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:52:12,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:52:12,923 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-10-13 09:52:12,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:52:12,923 INFO L85 PathProgramCache]: Analyzing trace with hash 105769752, now seen corresponding path program 1 times [2024-10-13 09:52:12,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:52:12,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839372655] [2024-10-13 09:52:12,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:52:12,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:52:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:52:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:52:13,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:52:13,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839372655] [2024-10-13 09:52:13,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839372655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:52:13,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:52:13,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 09:52:13,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588673407] [2024-10-13 09:52:13,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:52:13,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:52:13,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:52:13,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:52:13,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:52:13,081 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 150 [2024-10-13 09:52:13,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 146 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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) [2024-10-13 09:52:13,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:52:13,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 150 [2024-10-13 09:52:13,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:52:13,115 INFO L124 PetriNetUnfolderBase]: 1/192 cut-off events. [2024-10-13 09:52:13,115 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-13 09:52:13,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 192 events. 1/192 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 222 event pairs, 0 based on Foata normal form. 2/182 useless extension candidates. Maximal degree in co-relation 206. Up to 21 conditions per place. [2024-10-13 09:52:13,116 INFO L140 encePairwiseOnDemand]: 146/150 looper letters, 2 selfloop transitions, 4 changer transitions 9/120 dead transitions. [2024-10-13 09:52:13,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 120 transitions, 306 flow [2024-10-13 09:52:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:52:13,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:52:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 401 transitions. [2024-10-13 09:52:13,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8911111111111111 [2024-10-13 09:52:13,118 INFO L175 Difference]: Start difference. First operand has 133 places, 146 transitions, 432 flow. Second operand 3 states and 401 transitions. [2024-10-13 09:52:13,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 120 transitions, 306 flow [2024-10-13 09:52:13,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 120 transitions, 276 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-10-13 09:52:13,121 INFO L231 Difference]: Finished difference. Result has 125 places, 111 transitions, 254 flow [2024-10-13 09:52:13,121 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=125, PETRI_TRANSITIONS=111} [2024-10-13 09:52:13,122 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -15 predicate places. [2024-10-13 09:52:13,122 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 111 transitions, 254 flow [2024-10-13 09:52:13,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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) [2024-10-13 09:52:13,122 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:52:13,122 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:52:13,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:52:13,123 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-10-13 09:52:13,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:52:13,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1602144753, now seen corresponding path program 1 times [2024-10-13 09:52:13,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:52:13,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911280989] [2024-10-13 09:52:13,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:52:13,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:52:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:52:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:52:13,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:52:13,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911280989] [2024-10-13 09:52:13,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911280989] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:52:13,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:52:13,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:52:13,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862926892] [2024-10-13 09:52:13,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:52:13,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:52:13,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:52:13,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:52:13,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:52:13,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 150 [2024-10-13 09:52:13,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 111 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2024-10-13 09:52:13,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:52:13,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 150 [2024-10-13 09:52:13,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:52:13,243 INFO L124 PetriNetUnfolderBase]: 1/172 cut-off events. [2024-10-13 09:52:13,243 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-10-13 09:52:13,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 172 events. 1/172 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 148 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 189. Up to 31 conditions per place. [2024-10-13 09:52:13,244 INFO L140 encePairwiseOnDemand]: 147/150 looper letters, 18 selfloop transitions, 2 changer transitions 0/110 dead transitions. [2024-10-13 09:52:13,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 110 transitions, 292 flow [2024-10-13 09:52:13,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:52:13,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:52:13,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 373 transitions. [2024-10-13 09:52:13,247 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8288888888888889 [2024-10-13 09:52:13,247 INFO L175 Difference]: Start difference. First operand has 125 places, 111 transitions, 254 flow. Second operand 3 states and 373 transitions. [2024-10-13 09:52:13,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 110 transitions, 292 flow [2024-10-13 09:52:13,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 110 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:52:13,251 INFO L231 Difference]: Finished difference. Result has 116 places, 110 transitions, 252 flow [2024-10-13 09:52:13,252 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=116, PETRI_TRANSITIONS=110} [2024-10-13 09:52:13,252 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -24 predicate places. [2024-10-13 09:52:13,254 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 110 transitions, 252 flow [2024-10-13 09:52:13,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2024-10-13 09:52:13,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:52:13,255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:52:13,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:52:13,255 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-10-13 09:52:13,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:52:13,256 INFO L85 PathProgramCache]: Analyzing trace with hash 665933556, now seen corresponding path program 1 times [2024-10-13 09:52:13,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:52:13,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511090636] [2024-10-13 09:52:13,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:52:13,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:52:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:52:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:52:13,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:52:13,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511090636] [2024-10-13 09:52:13,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511090636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:52:13,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:52:13,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:52:13,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138258834] [2024-10-13 09:52:13,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:52:13,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:52:13,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:52:13,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:52:13,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:52:13,383 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 150 [2024-10-13 09:52:13,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 110 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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) [2024-10-13 09:52:13,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:52:13,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 150 [2024-10-13 09:52:13,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:52:13,411 INFO L124 PetriNetUnfolderBase]: 1/170 cut-off events. [2024-10-13 09:52:13,411 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-10-13 09:52:13,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 170 events. 1/170 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 141 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 187. Up to 32 conditions per place. [2024-10-13 09:52:13,412 INFO L140 encePairwiseOnDemand]: 147/150 looper letters, 17 selfloop transitions, 2 changer transitions 7/109 dead transitions. [2024-10-13 09:52:13,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 109 transitions, 292 flow [2024-10-13 09:52:13,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:52:13,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:52:13,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2024-10-13 09:52:13,414 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8177777777777778 [2024-10-13 09:52:13,414 INFO L175 Difference]: Start difference. First operand has 116 places, 110 transitions, 252 flow. Second operand 3 states and 368 transitions. [2024-10-13 09:52:13,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 109 transitions, 292 flow [2024-10-13 09:52:13,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 109 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:52:13,417 INFO L231 Difference]: Finished difference. Result has 115 places, 102 transitions, 233 flow [2024-10-13 09:52:13,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=115, PETRI_TRANSITIONS=102} [2024-10-13 09:52:13,419 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -25 predicate places. [2024-10-13 09:52:13,420 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 102 transitions, 233 flow [2024-10-13 09:52:13,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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) [2024-10-13 09:52:13,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:52:13,421 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:52:13,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:52:13,421 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-10-13 09:52:13,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:52:13,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1488536237, now seen corresponding path program 1 times [2024-10-13 09:52:13,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:52:13,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344861389] [2024-10-13 09:52:13,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:52:13,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:52:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:52:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:52:13,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:52:13,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344861389] [2024-10-13 09:52:13,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344861389] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:52:13,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:52:13,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:52:13,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819424654] [2024-10-13 09:52:13,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:52:13,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:52:13,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:52:13,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:52:13,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:52:13,522 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 150 [2024-10-13 09:52:13,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 102 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 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) [2024-10-13 09:52:13,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:52:13,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 150 [2024-10-13 09:52:13,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:52:13,540 INFO L124 PetriNetUnfolderBase]: 0/127 cut-off events. [2024-10-13 09:52:13,540 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-13 09:52:13,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 127 events. 0/127 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 59 event pairs, 0 based on Foata normal form. 2/129 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2024-10-13 09:52:13,540 INFO L140 encePairwiseOnDemand]: 148/150 looper letters, 0 selfloop transitions, 0 changer transitions 101/101 dead transitions. [2024-10-13 09:52:13,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 101 transitions, 263 flow [2024-10-13 09:52:13,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:52:13,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:52:13,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2024-10-13 09:52:13,543 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8222222222222222 [2024-10-13 09:52:13,543 INFO L175 Difference]: Start difference. First operand has 115 places, 102 transitions, 233 flow. Second operand 3 states and 370 transitions. [2024-10-13 09:52:13,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 101 transitions, 263 flow [2024-10-13 09:52:13,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 101 transitions, 257 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-13 09:52:13,545 INFO L231 Difference]: Finished difference. Result has 108 places, 0 transitions, 0 flow [2024-10-13 09:52:13,545 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=108, PETRI_TRANSITIONS=0} [2024-10-13 09:52:13,546 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -32 predicate places. [2024-10-13 09:52:13,547 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 0 transitions, 0 flow [2024-10-13 09:52:13,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 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) [2024-10-13 09:52:13,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-10-13 09:52:13,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-10-13 09:52:13,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-10-13 09:52:13,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-10-13 09:52:13,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-10-13 09:52:13,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-10-13 09:52:13,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-10-13 09:52:13,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-10-13 09:52:13,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-10-13 09:52:13,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-10-13 09:52:13,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2024-10-13 09:52:13,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2024-10-13 09:52:13,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-10-13 09:52:13,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-10-13 09:52:13,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-10-13 09:52:13,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 09:52:13,555 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-13 09:52:13,561 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:52:13,562 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:52:13,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:52:13 BasicIcfg [2024-10-13 09:52:13,568 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:52:13,568 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:52:13,568 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:52:13,569 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:52:13,569 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:52:11" (3/4) ... [2024-10-13 09:52:13,574 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:52:13,576 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-13 09:52:13,579 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-13 09:52:13,580 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 09:52:13,580 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 09:52:13,581 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:52:13,661 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:52:13,662 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:52:13,662 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:52:13,662 INFO L158 Benchmark]: Toolchain (without parser) took 2854.09ms. Allocated memory is still 234.9MB. Free memory was 166.2MB in the beginning and 84.4MB in the end (delta: 81.7MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. [2024-10-13 09:52:13,663 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:52:13,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.97ms. Allocated memory is still 234.9MB. Free memory was 165.8MB in the beginning and 144.5MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 09:52:13,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.07ms. Allocated memory is still 234.9MB. Free memory was 144.5MB in the beginning and 142.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:52:13,663 INFO L158 Benchmark]: Boogie Preprocessor took 20.54ms. Allocated memory is still 234.9MB. Free memory was 142.1MB in the beginning and 140.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:52:13,664 INFO L158 Benchmark]: RCFGBuilder took 601.87ms. Allocated memory is still 234.9MB. Free memory was 140.7MB in the beginning and 200.8MB in the end (delta: -60.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-10-13 09:52:13,664 INFO L158 Benchmark]: TraceAbstraction took 1607.32ms. Allocated memory is still 234.9MB. Free memory was 199.8MB in the beginning and 88.6MB in the end (delta: 111.1MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2024-10-13 09:52:13,665 INFO L158 Benchmark]: Witness Printer took 93.61ms. Allocated memory is still 234.9MB. Free memory was 88.6MB in the beginning and 84.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:52:13,666 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.97ms. Allocated memory is still 234.9MB. Free memory was 165.8MB in the beginning and 144.5MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.07ms. Allocated memory is still 234.9MB. Free memory was 144.5MB in the beginning and 142.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.54ms. Allocated memory is still 234.9MB. Free memory was 142.1MB in the beginning and 140.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.87ms. Allocated memory is still 234.9MB. Free memory was 140.7MB in the beginning and 200.8MB in the end (delta: -60.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1607.32ms. Allocated memory is still 234.9MB. Free memory was 199.8MB in the beginning and 88.6MB in the end (delta: 111.1MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. * Witness Printer took 93.61ms. Allocated memory is still 234.9MB. Free memory was 88.6MB in the beginning and 84.4MB 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: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 194 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 343 IncrementalHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 44 mSDtfsCounter, 343 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:52:13,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE