./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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-11 17:09:07,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:09:07,657 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:09:07,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:09:07,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:09:07,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:09:07,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:09:07,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:09:07,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:09:07,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:09:07,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:09:07,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:09:07,695 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:09:07,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:09:07,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:09:07,698 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:09:07,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:09:07,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:09:07,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:09:07,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:09:07,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:09:07,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:09:07,705 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:09:07,705 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:09:07,705 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:09:07,706 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:09:07,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:09:07,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:09:07,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:09:07,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:09:07,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:09:07,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:09:07,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:09:07,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:09:07,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:09:07,710 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:09:07,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:09:07,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:09:07,711 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:09:07,711 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:09:07,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:09:07,713 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 [2024-10-11 17:09:08,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:09:08,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:09:08,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:09:08,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:09:08,057 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:09:08,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2024-10-11 17:09:09,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:09:09,710 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:09:09,710 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2024-10-11 17:09:09,724 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c06cc85af/0085d894477d48329e660057ea2f75e0/FLAGa1e58732e [2024-10-11 17:09:10,030 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c06cc85af/0085d894477d48329e660057ea2f75e0 [2024-10-11 17:09:10,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:09:10,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:09:10,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:09:10,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:09:10,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:09:10,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d626440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10, skipping insertion in model container [2024-10-11 17:09:10,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:09:10,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:09:10,450 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:09:10,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:09:10,546 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:09:10,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10 WrapperNode [2024-10-11 17:09:10,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:09:10,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:09:10,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:09:10,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:09:10,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,597 INFO L138 Inliner]: procedures = 162, calls = 22, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 119 [2024-10-11 17:09:10,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:09:10,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:09:10,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:09:10,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:09:10,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:09:10,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:09:10,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:09:10,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:09:10,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10" (1/1) ... [2024-10-11 17:09:10,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:09:10,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:09:10,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:09:10,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:09:10,733 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 17:09:10,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:09:10,733 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-11 17:09:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-11 17:09:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:09:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 17:09:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:09:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:09:10,735 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:09:10,900 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:09:10,902 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:09:11,111 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:09:11,111 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:09:11,151 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:09:11,153 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 17:09:11,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:09:11 BoogieIcfgContainer [2024-10-11 17:09:11,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:09:11,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:09:11,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:09:11,161 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:09:11,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:09:10" (1/3) ... [2024-10-11 17:09:11,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750b50d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:09:11, skipping insertion in model container [2024-10-11 17:09:11,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:10" (2/3) ... [2024-10-11 17:09:11,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750b50d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:09:11, skipping insertion in model container [2024-10-11 17:09:11,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:09:11" (3/3) ... [2024-10-11 17:09:11,165 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2024-10-11 17:09:11,182 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:09:11,183 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-11 17:09:11,183 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:09:11,252 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-11 17:09:11,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 146 places, 150 transitions, 307 flow [2024-10-11 17:09:11,366 INFO L124 PetriNetUnfolderBase]: 8/149 cut-off events. [2024-10-11 17:09:11,366 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:09:11,373 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. [2024-10-11 17:09:11,373 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 150 transitions, 307 flow [2024-10-11 17:09:11,379 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 144 transitions, 291 flow [2024-10-11 17:09:11,390 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:09:11,397 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;@73ebef54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:09:11,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-10-11 17:09:11,405 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:09:11,406 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-11 17:09:11,406 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:09:11,406 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:11,407 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] [2024-10-11 17:09:11,407 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)] === [2024-10-11 17:09:11,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:11,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1449494020, now seen corresponding path program 1 times [2024-10-11 17:09:11,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:11,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822558801] [2024-10-11 17:09:11,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:11,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:11,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:11,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822558801] [2024-10-11 17:09:11,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822558801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:11,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:11,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:11,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225288929] [2024-10-11 17:09:11,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:11,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:11,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:11,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:11,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:11,781 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 150 [2024-10-11 17:09:11,784 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) [2024-10-11 17:09:11,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:11,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 150 [2024-10-11 17:09:11,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:12,007 INFO L124 PetriNetUnfolderBase]: 110/849 cut-off events. [2024-10-11 17:09:12,008 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:09:12,012 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. [2024-10-11 17:09:12,032 INFO L140 encePairwiseOnDemand]: 121/150 looper letters, 29 selfloop transitions, 15 changer transitions 3/145 dead transitions. [2024-10-11 17:09:12,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 145 transitions, 381 flow [2024-10-11 17:09:12,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:12,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2024-10-11 17:09:12,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8755555555555555 [2024-10-11 17:09:12,051 INFO L175 Difference]: Start difference. First operand has 140 places, 144 transitions, 291 flow. Second operand 3 states and 394 transitions. [2024-10-11 17:09:12,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 145 transitions, 381 flow [2024-10-11 17:09:12,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 145 transitions, 380 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:09:12,060 INFO L231 Difference]: Finished difference. Result has 134 places, 138 transitions, 376 flow [2024-10-11 17:09:12,062 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} [2024-10-11 17:09:12,068 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -6 predicate places. [2024-10-11 17:09:12,069 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 138 transitions, 376 flow [2024-10-11 17:09:12,069 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) [2024-10-11 17:09:12,070 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:12,070 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] [2024-10-11 17:09:12,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:09:12,071 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)] === [2024-10-11 17:09:12,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:12,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1865752038, now seen corresponding path program 1 times [2024-10-11 17:09:12,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:12,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511465696] [2024-10-11 17:09:12,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:12,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:12,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:12,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:12,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511465696] [2024-10-11 17:09:12,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511465696] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:12,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:12,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:12,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322402323] [2024-10-11 17:09:12,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:12,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:12,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:12,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:12,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:12,318 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 150 [2024-10-11 17:09:12,319 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) [2024-10-11 17:09:12,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:12,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 150 [2024-10-11 17:09:12,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:12,465 INFO L124 PetriNetUnfolderBase]: 132/983 cut-off events. [2024-10-11 17:09:12,465 INFO L125 PetriNetUnfolderBase]: For 294/314 co-relation queries the response was YES. [2024-10-11 17:09:12,470 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. [2024-10-11 17:09:12,475 INFO L140 encePairwiseOnDemand]: 142/150 looper letters, 29 selfloop transitions, 10 changer transitions 0/148 dead transitions. [2024-10-11 17:09:12,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 148 transitions, 494 flow [2024-10-11 17:09:12,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:12,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:12,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2024-10-11 17:09:12,481 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8377777777777777 [2024-10-11 17:09:12,481 INFO L175 Difference]: Start difference. First operand has 134 places, 138 transitions, 376 flow. Second operand 3 states and 377 transitions. [2024-10-11 17:09:12,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 148 transitions, 494 flow [2024-10-11 17:09:12,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 148 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:09:12,488 INFO L231 Difference]: Finished difference. Result has 133 places, 146 transitions, 432 flow [2024-10-11 17:09:12,490 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} [2024-10-11 17:09:12,490 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -7 predicate places. [2024-10-11 17:09:12,491 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 146 transitions, 432 flow [2024-10-11 17:09:12,491 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) [2024-10-11 17:09:12,491 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:12,492 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] [2024-10-11 17:09:12,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:09:12,492 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)] === [2024-10-11 17:09:12,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:12,494 INFO L85 PathProgramCache]: Analyzing trace with hash 105769752, now seen corresponding path program 1 times [2024-10-11 17:09:12,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:12,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888484453] [2024-10-11 17:09:12,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:12,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:12,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:12,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888484453] [2024-10-11 17:09:12,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888484453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:12,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:12,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 17:09:12,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449998281] [2024-10-11 17:09:12,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:12,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:12,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:12,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:12,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:12,740 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 150 [2024-10-11 17:09:12,741 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) [2024-10-11 17:09:12,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:12,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 150 [2024-10-11 17:09:12,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:12,790 INFO L124 PetriNetUnfolderBase]: 1/192 cut-off events. [2024-10-11 17:09:12,791 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-11 17:09:12,791 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. [2024-10-11 17:09:12,792 INFO L140 encePairwiseOnDemand]: 146/150 looper letters, 2 selfloop transitions, 4 changer transitions 9/120 dead transitions. [2024-10-11 17:09:12,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 120 transitions, 306 flow [2024-10-11 17:09:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:12,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:12,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 401 transitions. [2024-10-11 17:09:12,796 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8911111111111111 [2024-10-11 17:09:12,796 INFO L175 Difference]: Start difference. First operand has 133 places, 146 transitions, 432 flow. Second operand 3 states and 401 transitions. [2024-10-11 17:09:12,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 120 transitions, 306 flow [2024-10-11 17:09:12,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 120 transitions, 276 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-10-11 17:09:12,806 INFO L231 Difference]: Finished difference. Result has 125 places, 111 transitions, 254 flow [2024-10-11 17:09:12,810 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} [2024-10-11 17:09:12,812 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -15 predicate places. [2024-10-11 17:09:12,812 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 111 transitions, 254 flow [2024-10-11 17:09:12,813 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) [2024-10-11 17:09:12,813 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:12,813 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] [2024-10-11 17:09:12,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:09:12,813 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)] === [2024-10-11 17:09:12,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:12,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1602144753, now seen corresponding path program 1 times [2024-10-11 17:09:12,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:12,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736052686] [2024-10-11 17:09:12,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:12,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:12,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:12,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736052686] [2024-10-11 17:09:12,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736052686] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:12,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:12,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:12,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773496104] [2024-10-11 17:09:12,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:12,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:12,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:12,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:12,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:12,993 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 150 [2024-10-11 17:09:12,994 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) [2024-10-11 17:09:12,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:12,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 150 [2024-10-11 17:09:12,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:13,026 INFO L124 PetriNetUnfolderBase]: 1/172 cut-off events. [2024-10-11 17:09:13,027 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-10-11 17:09:13,027 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. [2024-10-11 17:09:13,028 INFO L140 encePairwiseOnDemand]: 147/150 looper letters, 18 selfloop transitions, 2 changer transitions 0/110 dead transitions. [2024-10-11 17:09:13,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 110 transitions, 292 flow [2024-10-11 17:09:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:13,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:13,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 373 transitions. [2024-10-11 17:09:13,030 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8288888888888889 [2024-10-11 17:09:13,030 INFO L175 Difference]: Start difference. First operand has 125 places, 111 transitions, 254 flow. Second operand 3 states and 373 transitions. [2024-10-11 17:09:13,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 110 transitions, 292 flow [2024-10-11 17:09:13,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 110 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:09:13,033 INFO L231 Difference]: Finished difference. Result has 116 places, 110 transitions, 252 flow [2024-10-11 17:09:13,033 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} [2024-10-11 17:09:13,034 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -24 predicate places. [2024-10-11 17:09:13,034 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 110 transitions, 252 flow [2024-10-11 17:09:13,035 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) [2024-10-11 17:09:13,035 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:13,035 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] [2024-10-11 17:09:13,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:09:13,038 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)] === [2024-10-11 17:09:13,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:13,038 INFO L85 PathProgramCache]: Analyzing trace with hash 665933556, now seen corresponding path program 1 times [2024-10-11 17:09:13,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:13,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739433271] [2024-10-11 17:09:13,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:13,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:13,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:13,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739433271] [2024-10-11 17:09:13,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739433271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:13,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:13,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:13,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13011077] [2024-10-11 17:09:13,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:13,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:13,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:13,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:13,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:13,173 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 150 [2024-10-11 17:09:13,173 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) [2024-10-11 17:09:13,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:13,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 150 [2024-10-11 17:09:13,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:13,204 INFO L124 PetriNetUnfolderBase]: 1/170 cut-off events. [2024-10-11 17:09:13,204 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-10-11 17:09:13,205 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. [2024-10-11 17:09:13,205 INFO L140 encePairwiseOnDemand]: 147/150 looper letters, 17 selfloop transitions, 2 changer transitions 7/109 dead transitions. [2024-10-11 17:09:13,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 109 transitions, 292 flow [2024-10-11 17:09:13,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:13,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2024-10-11 17:09:13,207 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8177777777777778 [2024-10-11 17:09:13,207 INFO L175 Difference]: Start difference. First operand has 116 places, 110 transitions, 252 flow. Second operand 3 states and 368 transitions. [2024-10-11 17:09:13,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 109 transitions, 292 flow [2024-10-11 17:09:13,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 109 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:09:13,212 INFO L231 Difference]: Finished difference. Result has 115 places, 102 transitions, 233 flow [2024-10-11 17:09:13,212 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} [2024-10-11 17:09:13,213 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -25 predicate places. [2024-10-11 17:09:13,214 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 102 transitions, 233 flow [2024-10-11 17:09:13,215 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) [2024-10-11 17:09:13,215 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:13,215 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] [2024-10-11 17:09:13,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:09:13,216 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)] === [2024-10-11 17:09:13,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:13,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1488536237, now seen corresponding path program 1 times [2024-10-11 17:09:13,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:13,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709179778] [2024-10-11 17:09:13,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:13,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:13,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:13,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:13,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709179778] [2024-10-11 17:09:13,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709179778] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:13,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:13,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:13,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904886729] [2024-10-11 17:09:13,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:13,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:13,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:13,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:13,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:13,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 150 [2024-10-11 17:09:13,335 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) [2024-10-11 17:09:13,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:13,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 150 [2024-10-11 17:09:13,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:13,358 INFO L124 PetriNetUnfolderBase]: 0/127 cut-off events. [2024-10-11 17:09:13,359 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-11 17:09:13,359 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. [2024-10-11 17:09:13,360 INFO L140 encePairwiseOnDemand]: 148/150 looper letters, 0 selfloop transitions, 0 changer transitions 101/101 dead transitions. [2024-10-11 17:09:13,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 101 transitions, 263 flow [2024-10-11 17:09:13,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2024-10-11 17:09:13,361 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8222222222222222 [2024-10-11 17:09:13,362 INFO L175 Difference]: Start difference. First operand has 115 places, 102 transitions, 233 flow. Second operand 3 states and 370 transitions. [2024-10-11 17:09:13,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 101 transitions, 263 flow [2024-10-11 17:09:13,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 101 transitions, 257 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-11 17:09:13,364 INFO L231 Difference]: Finished difference. Result has 108 places, 0 transitions, 0 flow [2024-10-11 17:09:13,365 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} [2024-10-11 17:09:13,366 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, -32 predicate places. [2024-10-11 17:09:13,367 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 0 transitions, 0 flow [2024-10-11 17:09:13,368 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) [2024-10-11 17:09:13,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-10-11 17:09:13,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-10-11 17:09:13,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-10-11 17:09:13,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-10-11 17:09:13,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-10-11 17:09:13,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-10-11 17:09:13,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-10-11 17:09:13,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-10-11 17:09:13,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-10-11 17:09:13,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-10-11 17:09:13,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2024-10-11 17:09:13,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2024-10-11 17:09:13,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-10-11 17:09:13,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-10-11 17:09:13,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-10-11 17:09:13,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:09:13,375 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-11 17:09:13,381 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:09:13,381 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:09:13,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:09:13 BasicIcfg [2024-10-11 17:09:13,387 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:09:13,388 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:09:13,388 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:09:13,388 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:09:13,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:09:11" (3/4) ... [2024-10-11 17:09:13,390 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:09:13,393 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-11 17:09:13,399 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 17:09:13,399 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:09:13,399 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 17:09:13,399 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:09:13,489 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:09:13,490 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:09:13,490 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:09:13,491 INFO L158 Benchmark]: Toolchain (without parser) took 3457.47ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 73.5MB in the beginning and 76.6MB in the end (delta: -3.1MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-10-11 17:09:13,491 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:09:13,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.54ms. Allocated memory is still 151.0MB. Free memory was 73.3MB in the beginning and 109.3MB in the end (delta: -36.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-10-11 17:09:13,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.79ms. Allocated memory is still 151.0MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:09:13,492 INFO L158 Benchmark]: Boogie Preprocessor took 42.50ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 106.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:09:13,492 INFO L158 Benchmark]: RCFGBuilder took 510.21ms. Allocated memory is still 151.0MB. Free memory was 106.0MB in the beginning and 107.4MB in the end (delta: -1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 17:09:13,492 INFO L158 Benchmark]: TraceAbstraction took 2231.60ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 106.4MB in the beginning and 80.8MB in the end (delta: 25.6MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2024-10-11 17:09:13,492 INFO L158 Benchmark]: Witness Printer took 102.36ms. Allocated memory is still 184.5MB. Free memory was 80.8MB in the beginning and 76.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:09:13,496 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 151.0MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.54ms. Allocated memory is still 151.0MB. Free memory was 73.3MB in the beginning and 109.3MB in the end (delta: -36.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.79ms. Allocated memory is still 151.0MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.50ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 106.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.21ms. Allocated memory is still 151.0MB. Free memory was 106.0MB in the beginning and 107.4MB in the end (delta: -1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2231.60ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 106.4MB in the beginning and 80.8MB in the end (delta: 25.6MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Witness Printer took 102.36ms. Allocated memory is still 184.5MB. Free memory was 80.8MB in the beginning and 76.6MB 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: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.3s 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, 0.6s 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! [2024-10-11 17:09:13,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE