./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 fca748b1 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-wip.dd.update-z3-fca748b-m [2024-11-20 13:47:59,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:47:59,822 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:47:59,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:47:59,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:47:59,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:47:59,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:47:59,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:47:59,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:47:59,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:47:59,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:47:59,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:47:59,884 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:47:59,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:47:59,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:47:59,885 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:47:59,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:47:59,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:47:59,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:47:59,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:47:59,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:47:59,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:47:59,887 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:47:59,891 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:47:59,891 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:47:59,892 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:47:59,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:47:59,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:47:59,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:47:59,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:47:59,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:47:59,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:47:59,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:47:59,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:47:59,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:47:59,894 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:47:59,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:47:59,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:47:59,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:47:59,899 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:47:59,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:47:59,899 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 [2024-11-20 13:48:00,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:48:00,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:48:00,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:48:00,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:48:00,197 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:48:00,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2024-11-20 13:48:01,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:48:01,993 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:48:01,994 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2024-11-20 13:48:02,013 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/560e18f56/d59b556336d341db888a54cc4b2c0fe5/FLAGdc8418c73 [2024-11-20 13:48:02,027 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/560e18f56/d59b556336d341db888a54cc4b2c0fe5 [2024-11-20 13:48:02,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:48:02,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:48:02,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:48:02,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:48:02,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:48:02,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f37fdf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02, skipping insertion in model container [2024-11-20 13:48:02,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:48:02,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:48:02,488 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:48:02,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:48:02,600 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:48:02,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02 WrapperNode [2024-11-20 13:48:02,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:48:02,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:48:02,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:48:02,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:48:02,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,654 INFO L138 Inliner]: procedures = 162, calls = 22, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 166 [2024-11-20 13:48:02,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:48:02,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:48:02,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:48:02,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:48:02,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:48:02,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:48:02,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:48:02,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:48:02,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02" (1/1) ... [2024-11-20 13:48:02,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:48:02,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:48:02,740 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) [2024-11-20 13:48:02,744 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 [2024-11-20 13:48:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-20 13:48:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:48:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-20 13:48:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-20 13:48:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:48:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-20 13:48:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:48:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:48:02,800 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:48:02,969 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:48:02,974 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:48:03,268 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:48:03,269 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:48:03,301 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:48:03,305 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 13:48:03,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:48:03 BoogieIcfgContainer [2024-11-20 13:48:03,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:48:03,307 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:48:03,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:48:03,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:48:03,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:48:02" (1/3) ... [2024-11-20 13:48:03,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3078a6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:48:03, skipping insertion in model container [2024-11-20 13:48:03,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:02" (2/3) ... [2024-11-20 13:48:03,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3078a6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:48:03, skipping insertion in model container [2024-11-20 13:48:03,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:48:03" (3/3) ... [2024-11-20 13:48:03,314 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2024-11-20 13:48:03,331 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:48:03,332 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-20 13:48:03,332 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:48:03,416 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-20 13:48:03,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 197 transitions, 401 flow [2024-11-20 13:48:03,566 INFO L124 PetriNetUnfolderBase]: 8/196 cut-off events. [2024-11-20 13:48:03,567 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:48:03,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 196 events. 8/196 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. 0/178 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2024-11-20 13:48:03,578 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 197 transitions, 401 flow [2024-11-20 13:48:03,586 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 187 places, 191 transitions, 385 flow [2024-11-20 13:48:03,600 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:48:03,609 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;@ea3f17e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:48:03,610 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-20 13:48:03,626 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:48:03,627 INFO L124 PetriNetUnfolderBase]: 0/75 cut-off events. [2024-11-20 13:48:03,627 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:48:03,627 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:03,628 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:03,628 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)] === [2024-11-20 13:48:03,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:03,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1360425855, now seen corresponding path program 1 times [2024-11-20 13:48:03,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:03,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467995114] [2024-11-20 13:48:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:03,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:48:03,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:03,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467995114] [2024-11-20 13:48:03,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467995114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:03,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:03,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:48:03,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765745089] [2024-11-20 13:48:03,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:03,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:03,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:04,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:04,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:04,081 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 197 [2024-11-20 13:48:04,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 191 transitions, 385 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 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) [2024-11-20 13:48:04,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:04,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 197 [2024-11-20 13:48:04,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:04,255 INFO L124 PetriNetUnfolderBase]: 110/878 cut-off events. [2024-11-20 13:48:04,255 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:48:04,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 878 events. 110/878 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5181 event pairs, 49 based on Foata normal form. 86/871 useless extension candidates. Maximal degree in co-relation 1056. Up to 167 conditions per place. [2024-11-20 13:48:04,263 INFO L140 encePairwiseOnDemand]: 168/197 looper letters, 29 selfloop transitions, 15 changer transitions 3/192 dead transitions. [2024-11-20 13:48:04,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 192 transitions, 475 flow [2024-11-20 13:48:04,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:04,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:04,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2024-11-20 13:48:04,282 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9052453468697124 [2024-11-20 13:48:04,285 INFO L175 Difference]: Start difference. First operand has 187 places, 191 transitions, 385 flow. Second operand 3 states and 535 transitions. [2024-11-20 13:48:04,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 192 transitions, 475 flow [2024-11-20 13:48:04,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 192 transitions, 474 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:48:04,296 INFO L231 Difference]: Finished difference. Result has 181 places, 185 transitions, 470 flow [2024-11-20 13:48:04,298 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=181, PETRI_TRANSITIONS=185} [2024-11-20 13:48:04,305 INFO L277 CegarLoopForPetriNet]: 187 programPoint places, -6 predicate places. [2024-11-20 13:48:04,305 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 185 transitions, 470 flow [2024-11-20 13:48:04,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 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) [2024-11-20 13:48:04,306 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:04,306 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:04,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:48:04,307 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)] === [2024-11-20 13:48:04,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:04,308 INFO L85 PathProgramCache]: Analyzing trace with hash -426928251, now seen corresponding path program 1 times [2024-11-20 13:48:04,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:04,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613686744] [2024-11-20 13:48:04,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:04,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:04,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:48:04,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:04,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613686744] [2024-11-20 13:48:04,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613686744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:04,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:04,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:48:04,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420816328] [2024-11-20 13:48:04,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:04,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:04,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:04,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:04,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:04,606 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 197 [2024-11-20 13:48:04,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 185 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 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) [2024-11-20 13:48:04,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:04,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 197 [2024-11-20 13:48:04,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:04,784 INFO L124 PetriNetUnfolderBase]: 132/983 cut-off events. [2024-11-20 13:48:04,785 INFO L125 PetriNetUnfolderBase]: For 296/323 co-relation queries the response was YES. [2024-11-20 13:48:04,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 983 events. 132/983 cut-off events. For 296/323 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6123 event pairs, 59 based on Foata normal form. 2/889 useless extension candidates. Maximal degree in co-relation 1504. Up to 230 conditions per place. [2024-11-20 13:48:04,794 INFO L140 encePairwiseOnDemand]: 189/197 looper letters, 29 selfloop transitions, 10 changer transitions 0/195 dead transitions. [2024-11-20 13:48:04,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 195 transitions, 588 flow [2024-11-20 13:48:04,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:04,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:04,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2024-11-20 13:48:04,798 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8764805414551607 [2024-11-20 13:48:04,798 INFO L175 Difference]: Start difference. First operand has 181 places, 185 transitions, 470 flow. Second operand 3 states and 518 transitions. [2024-11-20 13:48:04,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 195 transitions, 588 flow [2024-11-20 13:48:04,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 195 transitions, 550 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:48:04,807 INFO L231 Difference]: Finished difference. Result has 180 places, 193 transitions, 526 flow [2024-11-20 13:48:04,807 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=180, PETRI_TRANSITIONS=193} [2024-11-20 13:48:04,808 INFO L277 CegarLoopForPetriNet]: 187 programPoint places, -7 predicate places. [2024-11-20 13:48:04,808 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 193 transitions, 526 flow [2024-11-20 13:48:04,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 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) [2024-11-20 13:48:04,809 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:04,809 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:04,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:48:04,810 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)] === [2024-11-20 13:48:04,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:04,813 INFO L85 PathProgramCache]: Analyzing trace with hash 2091441062, now seen corresponding path program 1 times [2024-11-20 13:48:04,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:04,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307749581] [2024-11-20 13:48:04,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:04,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:48:05,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:05,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307749581] [2024-11-20 13:48:05,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307749581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:05,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:05,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:48:05,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133918194] [2024-11-20 13:48:05,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:05,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:05,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:05,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:05,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:05,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 197 [2024-11-20 13:48:05,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 193 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2024-11-20 13:48:05,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:05,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 197 [2024-11-20 13:48:05,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:05,125 INFO L124 PetriNetUnfolderBase]: 1/237 cut-off events. [2024-11-20 13:48:05,127 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-20 13:48:05,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 237 events. 1/237 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 223 event pairs, 0 based on Foata normal form. 2/227 useless extension candidates. Maximal degree in co-relation 204. Up to 21 conditions per place. [2024-11-20 13:48:05,136 INFO L140 encePairwiseOnDemand]: 193/197 looper letters, 2 selfloop transitions, 4 changer transitions 9/167 dead transitions. [2024-11-20 13:48:05,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 167 transitions, 400 flow [2024-11-20 13:48:05,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:05,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:05,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 542 transitions. [2024-11-20 13:48:05,139 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9170896785109983 [2024-11-20 13:48:05,139 INFO L175 Difference]: Start difference. First operand has 180 places, 193 transitions, 526 flow. Second operand 3 states and 542 transitions. [2024-11-20 13:48:05,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 167 transitions, 400 flow [2024-11-20 13:48:05,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 167 transitions, 370 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-11-20 13:48:05,147 INFO L231 Difference]: Finished difference. Result has 172 places, 158 transitions, 348 flow [2024-11-20 13:48:05,148 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=172, PETRI_TRANSITIONS=158} [2024-11-20 13:48:05,149 INFO L277 CegarLoopForPetriNet]: 187 programPoint places, -15 predicate places. [2024-11-20 13:48:05,149 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 158 transitions, 348 flow [2024-11-20 13:48:05,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2024-11-20 13:48:05,149 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:05,150 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:05,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:48:05,150 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)] === [2024-11-20 13:48:05,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:05,150 INFO L85 PathProgramCache]: Analyzing trace with hash -403176614, now seen corresponding path program 1 times [2024-11-20 13:48:05,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:05,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162534666] [2024-11-20 13:48:05,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:05,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:48:05,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:05,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162534666] [2024-11-20 13:48:05,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162534666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:05,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:05,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:48:05,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668292984] [2024-11-20 13:48:05,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:05,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:05,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:05,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:05,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:05,312 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 197 [2024-11-20 13:48:05,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 158 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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) [2024-11-20 13:48:05,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:05,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 197 [2024-11-20 13:48:05,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:05,346 INFO L124 PetriNetUnfolderBase]: 1/217 cut-off events. [2024-11-20 13:48:05,347 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-20 13:48:05,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 217 events. 1/217 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 149 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 187. Up to 31 conditions per place. [2024-11-20 13:48:05,348 INFO L140 encePairwiseOnDemand]: 194/197 looper letters, 18 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-11-20 13:48:05,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 157 transitions, 386 flow [2024-11-20 13:48:05,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2024-11-20 13:48:05,350 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8697123519458545 [2024-11-20 13:48:05,350 INFO L175 Difference]: Start difference. First operand has 172 places, 158 transitions, 348 flow. Second operand 3 states and 514 transitions. [2024-11-20 13:48:05,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 157 transitions, 386 flow [2024-11-20 13:48:05,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 157 transitions, 382 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:48:05,356 INFO L231 Difference]: Finished difference. Result has 163 places, 157 transitions, 346 flow [2024-11-20 13:48:05,357 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=163, PETRI_TRANSITIONS=157} [2024-11-20 13:48:05,359 INFO L277 CegarLoopForPetriNet]: 187 programPoint places, -24 predicate places. [2024-11-20 13:48:05,360 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 157 transitions, 346 flow [2024-11-20 13:48:05,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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) [2024-11-20 13:48:05,360 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:05,361 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:05,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:48:05,361 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)] === [2024-11-20 13:48:05,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:05,362 INFO L85 PathProgramCache]: Analyzing trace with hash -238212455, now seen corresponding path program 1 times [2024-11-20 13:48:05,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:05,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967254130] [2024-11-20 13:48:05,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:05,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:48:05,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:05,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967254130] [2024-11-20 13:48:05,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967254130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:05,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:05,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:48:05,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119206647] [2024-11-20 13:48:05,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:05,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:05,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:05,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:05,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:05,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 197 [2024-11-20 13:48:05,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 157 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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) [2024-11-20 13:48:05,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:05,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 197 [2024-11-20 13:48:05,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:05,534 INFO L124 PetriNetUnfolderBase]: 1/215 cut-off events. [2024-11-20 13:48:05,535 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-20 13:48:05,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 215 events. 1/215 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 143 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 185. Up to 32 conditions per place. [2024-11-20 13:48:05,536 INFO L140 encePairwiseOnDemand]: 194/197 looper letters, 17 selfloop transitions, 2 changer transitions 7/156 dead transitions. [2024-11-20 13:48:05,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 156 transitions, 386 flow [2024-11-20 13:48:05,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:05,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 509 transitions. [2024-11-20 13:48:05,538 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8612521150592216 [2024-11-20 13:48:05,538 INFO L175 Difference]: Start difference. First operand has 163 places, 157 transitions, 346 flow. Second operand 3 states and 509 transitions. [2024-11-20 13:48:05,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 156 transitions, 386 flow [2024-11-20 13:48:05,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 156 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:48:05,543 INFO L231 Difference]: Finished difference. Result has 162 places, 149 transitions, 327 flow [2024-11-20 13:48:05,543 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=162, PETRI_TRANSITIONS=149} [2024-11-20 13:48:05,546 INFO L277 CegarLoopForPetriNet]: 187 programPoint places, -25 predicate places. [2024-11-20 13:48:05,546 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 149 transitions, 327 flow [2024-11-20 13:48:05,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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) [2024-11-20 13:48:05,547 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:05,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:05,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:48:05,547 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)] === [2024-11-20 13:48:05,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:05,548 INFO L85 PathProgramCache]: Analyzing trace with hash -542412696, now seen corresponding path program 1 times [2024-11-20 13:48:05,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:05,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887603504] [2024-11-20 13:48:05,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:05,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:05,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:48:05,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:05,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887603504] [2024-11-20 13:48:05,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887603504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:05,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:05,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:48:05,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847781509] [2024-11-20 13:48:05,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:05,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:05,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:05,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:05,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:05,671 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 197 [2024-11-20 13:48:05,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 149 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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) [2024-11-20 13:48:05,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:05,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 197 [2024-11-20 13:48:05,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:05,694 INFO L124 PetriNetUnfolderBase]: 0/174 cut-off events. [2024-11-20 13:48:05,694 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-20 13:48:05,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 174 events. 0/174 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 58 event pairs, 0 based on Foata normal form. 2/176 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2024-11-20 13:48:05,695 INFO L140 encePairwiseOnDemand]: 195/197 looper letters, 0 selfloop transitions, 0 changer transitions 148/148 dead transitions. [2024-11-20 13:48:05,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 148 transitions, 357 flow [2024-11-20 13:48:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:05,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:05,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 511 transitions. [2024-11-20 13:48:05,697 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8646362098138748 [2024-11-20 13:48:05,698 INFO L175 Difference]: Start difference. First operand has 162 places, 149 transitions, 327 flow. Second operand 3 states and 511 transitions. [2024-11-20 13:48:05,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 148 transitions, 357 flow [2024-11-20 13:48:05,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 148 transitions, 351 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-20 13:48:05,700 INFO L231 Difference]: Finished difference. Result has 155 places, 0 transitions, 0 flow [2024-11-20 13:48:05,700 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=155, PETRI_TRANSITIONS=0} [2024-11-20 13:48:05,701 INFO L277 CegarLoopForPetriNet]: 187 programPoint places, -32 predicate places. [2024-11-20 13:48:05,701 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 0 transitions, 0 flow [2024-11-20 13:48:05,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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) [2024-11-20 13:48:05,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-11-20 13:48:05,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-11-20 13:48:05,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-11-20 13:48:05,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-11-20 13:48:05,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-11-20 13:48:05,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-11-20 13:48:05,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-20 13:48:05,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-11-20 13:48:05,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-11-20 13:48:05,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-11-20 13:48:05,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2024-11-20 13:48:05,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2024-11-20 13:48:05,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-11-20 13:48:05,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-11-20 13:48:05,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-11-20 13:48:05,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:48:05,709 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-20 13:48:05,714 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:48:05,714 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:48:05,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:48:05 BasicIcfg [2024-11-20 13:48:05,721 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:48:05,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:48:05,725 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:48:05,725 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:48:05,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:48:03" (3/4) ... [2024-11-20 13:48:05,729 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:48:05,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-20 13:48:05,738 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-20 13:48:05,738 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:48:05,739 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-20 13:48:05,739 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:48:05,859 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:48:05,859 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:48:05,859 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:48:05,860 INFO L158 Benchmark]: Toolchain (without parser) took 3828.94ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 104.7MB in the beginning and 74.1MB in the end (delta: 30.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-11-20 13:48:05,860 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:48:05,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.69ms. Allocated memory is still 159.4MB. Free memory was 104.7MB in the beginning and 81.4MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-20 13:48:05,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.91ms. Allocated memory is still 159.4MB. Free memory was 81.4MB in the beginning and 79.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:48:05,861 INFO L158 Benchmark]: Boogie Preprocessor took 35.43ms. Allocated memory is still 159.4MB. Free memory was 79.0MB in the beginning and 77.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:48:05,861 INFO L158 Benchmark]: RCFGBuilder took 613.41ms. Allocated memory is still 159.4MB. Free memory was 77.4MB in the beginning and 57.6MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-20 13:48:05,861 INFO L158 Benchmark]: TraceAbstraction took 2413.26ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 56.9MB in the beginning and 79.3MB in the end (delta: -22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-20 13:48:05,861 INFO L158 Benchmark]: Witness Printer took 134.73ms. Allocated memory is still 205.5MB. Free memory was 79.3MB in the beginning and 74.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 13:48:05,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.69ms. Allocated memory is still 159.4MB. Free memory was 104.7MB in the beginning and 81.4MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.91ms. Allocated memory is still 159.4MB. Free memory was 81.4MB in the beginning and 79.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.43ms. Allocated memory is still 159.4MB. Free memory was 79.0MB in the beginning and 77.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 613.41ms. Allocated memory is still 159.4MB. Free memory was 77.4MB in the beginning and 57.6MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2413.26ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 56.9MB in the beginning and 79.3MB in the end (delta: -22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 134.73ms. Allocated memory is still 205.5MB. Free memory was 79.3MB in the beginning and 74.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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, 241 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: 2.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 324 IncrementalHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 44 mSDtfsCounter, 324 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=526occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 602 ConstructedInterpolants, 0 QuantifiedInterpolants, 642 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! [2024-11-20 13:48:05,889 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