./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:51:35,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:51:35,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:51:35,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:51:35,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:51:35,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:51:35,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:51:35,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:51:35,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:51:35,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:51:35,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:51:35,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:51:35,614 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:51:35,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:51:35,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:51:35,616 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:51:35,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:51:35,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:51:35,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:51:35,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:51:35,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:51:35,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:51:35,620 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:51:35,620 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:51:35,620 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:51:35,620 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:51:35,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:51:35,621 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:51:35,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:51:35,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:51:35,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:51:35,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:51:35,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:51:35,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:51:35,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:51:35,622 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:51:35,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:51:35,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:51:35,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:51:35,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:51:35,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:51:35,624 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 [2024-11-22 17:51:35,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:51:35,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:51:35,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:51:35,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:51:35,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:51:35,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2024-11-22 17:51:37,102 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:51:37,306 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:51:37,306 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2024-11-22 17:51:37,317 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311182cdd/523a12d31121489594fe5766bf082e20/FLAG94898710c [2024-11-22 17:51:37,328 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311182cdd/523a12d31121489594fe5766bf082e20 [2024-11-22 17:51:37,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:51:37,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:51:37,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:51:37,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:51:37,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:51:37,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e8c21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37, skipping insertion in model container [2024-11-22 17:51:37,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:51:37,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:51:37,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:51:37,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:51:37,717 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:51:37,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37 WrapperNode [2024-11-22 17:51:37,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:51:37,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:51:37,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:51:37,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:51:37,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,757 INFO L138 Inliner]: procedures = 162, calls = 22, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 166 [2024-11-22 17:51:37,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:51:37,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:51:37,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:51:37,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:51:37,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:51:37,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:51:37,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:51:37,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:51:37,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37" (1/1) ... [2024-11-22 17:51:37,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:51:37,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:51:37,813 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) [2024-11-22 17:51:37,816 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 [2024-11-22 17:51:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-22 17:51:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:51:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-22 17:51:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-22 17:51:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:51:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-22 17:51:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:51:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:51:37,854 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:51:37,948 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:51:37,950 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:51:38,147 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:51:38,147 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:51:38,185 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:51:38,190 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 17:51:38,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:51:38 BoogieIcfgContainer [2024-11-22 17:51:38,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:51:38,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:51:38,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:51:38,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:51:38,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:51:37" (1/3) ... [2024-11-22 17:51:38,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c63e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:51:38, skipping insertion in model container [2024-11-22 17:51:38,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:37" (2/3) ... [2024-11-22 17:51:38,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c63e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:51:38, skipping insertion in model container [2024-11-22 17:51:38,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:51:38" (3/3) ... [2024-11-22 17:51:38,198 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2024-11-22 17:51:38,210 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:51:38,211 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-22 17:51:38,211 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:51:38,278 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-22 17:51:38,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 197 transitions, 401 flow [2024-11-22 17:51:38,404 INFO L124 PetriNetUnfolderBase]: 8/196 cut-off events. [2024-11-22 17:51:38,406 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:51:38,415 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. [2024-11-22 17:51:38,416 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 197 transitions, 401 flow [2024-11-22 17:51:38,421 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 187 places, 191 transitions, 385 flow [2024-11-22 17:51:38,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:51:38,434 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;@4f391377, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:51:38,435 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-22 17:51:38,445 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:51:38,446 INFO L124 PetriNetUnfolderBase]: 0/75 cut-off events. [2024-11-22 17:51:38,446 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:51:38,446 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:38,448 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] [2024-11-22 17:51:38,448 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)] === [2024-11-22 17:51:38,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:38,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1360425855, now seen corresponding path program 1 times [2024-11-22 17:51:38,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:38,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161428628] [2024-11-22 17:51:38,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:38,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:38,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:38,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161428628] [2024-11-22 17:51:38,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161428628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:38,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:38,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:51:38,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058458795] [2024-11-22 17:51:38,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:38,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:38,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:38,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:38,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:38,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 197 [2024-11-22 17:51:38,764 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) [2024-11-22 17:51:38,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:38,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 197 [2024-11-22 17:51:38,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:38,907 INFO L124 PetriNetUnfolderBase]: 110/878 cut-off events. [2024-11-22 17:51:38,907 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:51:38,911 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. [2024-11-22 17:51:38,916 INFO L140 encePairwiseOnDemand]: 168/197 looper letters, 29 selfloop transitions, 15 changer transitions 3/192 dead transitions. [2024-11-22 17:51:38,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 192 transitions, 475 flow [2024-11-22 17:51:38,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:38,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:38,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2024-11-22 17:51:38,929 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9052453468697124 [2024-11-22 17:51:38,932 INFO L175 Difference]: Start difference. First operand has 187 places, 191 transitions, 385 flow. Second operand 3 states and 535 transitions. [2024-11-22 17:51:38,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 192 transitions, 475 flow [2024-11-22 17:51:38,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 192 transitions, 474 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:51:38,939 INFO L231 Difference]: Finished difference. Result has 181 places, 185 transitions, 470 flow [2024-11-22 17:51:38,941 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} [2024-11-22 17:51:38,945 INFO L277 CegarLoopForPetriNet]: 187 programPoint places, -6 predicate places. [2024-11-22 17:51:38,945 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 185 transitions, 470 flow [2024-11-22 17:51:38,946 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) [2024-11-22 17:51:38,946 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:38,946 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] [2024-11-22 17:51:38,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:51:38,946 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)] === [2024-11-22 17:51:38,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:38,947 INFO L85 PathProgramCache]: Analyzing trace with hash -426928251, now seen corresponding path program 1 times [2024-11-22 17:51:38,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:38,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274367817] [2024-11-22 17:51:38,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:38,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:39,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:39,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274367817] [2024-11-22 17:51:39,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274367817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:39,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:39,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:51:39,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048927750] [2024-11-22 17:51:39,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:39,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:39,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:39,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:39,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:39,163 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 197 [2024-11-22 17:51:39,164 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) [2024-11-22 17:51:39,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:39,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 197 [2024-11-22 17:51:39,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:39,292 INFO L124 PetriNetUnfolderBase]: 132/983 cut-off events. [2024-11-22 17:51:39,293 INFO L125 PetriNetUnfolderBase]: For 296/323 co-relation queries the response was YES. [2024-11-22 17:51:39,295 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. [2024-11-22 17:51:39,299 INFO L140 encePairwiseOnDemand]: 189/197 looper letters, 29 selfloop transitions, 10 changer transitions 0/195 dead transitions. [2024-11-22 17:51:39,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 195 transitions, 588 flow [2024-11-22 17:51:39,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2024-11-22 17:51:39,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8764805414551607 [2024-11-22 17:51:39,302 INFO L175 Difference]: Start difference. First operand has 181 places, 185 transitions, 470 flow. Second operand 3 states and 518 transitions. [2024-11-22 17:51:39,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 195 transitions, 588 flow [2024-11-22 17:51:39,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 195 transitions, 550 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:51:39,312 INFO L231 Difference]: Finished difference. Result has 180 places, 193 transitions, 526 flow [2024-11-22 17:51:39,313 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} [2024-11-22 17:51:39,313 INFO L277 CegarLoopForPetriNet]: 187 programPoint places, -7 predicate places. [2024-11-22 17:51:39,314 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 193 transitions, 526 flow [2024-11-22 17:51:39,314 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) [2024-11-22 17:51:39,314 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:39,315 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] [2024-11-22 17:51:39,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:51:39,315 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)] === [2024-11-22 17:51:39,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:39,317 INFO L85 PathProgramCache]: Analyzing trace with hash 2091441062, now seen corresponding path program 1 times [2024-11-22 17:51:39,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:39,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241421507] [2024-11-22 17:51:39,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:39,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:39,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:39,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241421507] [2024-11-22 17:51:39,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241421507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:39,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:39,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:51:39,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97606130] [2024-11-22 17:51:39,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:39,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:39,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:39,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:39,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:39,480 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 197 [2024-11-22 17:51:39,480 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) [2024-11-22 17:51:39,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:39,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 197 [2024-11-22 17:51:39,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:39,504 INFO L124 PetriNetUnfolderBase]: 1/237 cut-off events. [2024-11-22 17:51:39,504 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-22 17:51:39,505 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. [2024-11-22 17:51:39,506 INFO L140 encePairwiseOnDemand]: 193/197 looper letters, 2 selfloop transitions, 4 changer transitions 9/167 dead transitions. [2024-11-22 17:51:39,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 167 transitions, 400 flow [2024-11-22 17:51:39,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:39,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 542 transitions. [2024-11-22 17:51:39,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9170896785109983 [2024-11-22 17:51:39,509 INFO L175 Difference]: Start difference. First operand has 180 places, 193 transitions, 526 flow. Second operand 3 states and 542 transitions. [2024-11-22 17:51:39,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 167 transitions, 400 flow [2024-11-22 17:51:39,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 167 transitions, 370 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-11-22 17:51:39,512 INFO L231 Difference]: Finished difference. Result has 172 places, 158 transitions, 348 flow [2024-11-22 17:51:39,514 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} [2024-11-22 17:51:39,514 INFO L277 CegarLoopForPetriNet]: 187 programPoint places, -15 predicate places. [2024-11-22 17:51:39,515 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 158 transitions, 348 flow [2024-11-22 17:51:39,515 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) [2024-11-22 17:51:39,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:39,515 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] [2024-11-22 17:51:39,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:51:39,516 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)] === [2024-11-22 17:51:39,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:39,517 INFO L85 PathProgramCache]: Analyzing trace with hash -403176614, now seen corresponding path program 1 times [2024-11-22 17:51:39,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:39,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683695714] [2024-11-22 17:51:39,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:39,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:39,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:39,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:39,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683695714] [2024-11-22 17:51:39,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683695714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:39,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:39,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:51:39,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766500172] [2024-11-22 17:51:39,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:39,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:39,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:39,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:39,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:39,620 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 197 [2024-11-22 17:51:39,621 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) [2024-11-22 17:51:39,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:39,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 197 [2024-11-22 17:51:39,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:39,650 INFO L124 PetriNetUnfolderBase]: 1/217 cut-off events. [2024-11-22 17:51:39,650 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-22 17:51:39,650 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. [2024-11-22 17:51:39,651 INFO L140 encePairwiseOnDemand]: 194/197 looper letters, 18 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-11-22 17:51:39,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 157 transitions, 386 flow [2024-11-22 17:51:39,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2024-11-22 17:51:39,652 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8697123519458545 [2024-11-22 17:51:39,653 INFO L175 Difference]: Start difference. First operand has 172 places, 158 transitions, 348 flow. Second operand 3 states and 514 transitions. [2024-11-22 17:51:39,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 157 transitions, 386 flow [2024-11-22 17:51:39,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 157 transitions, 382 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:51:39,657 INFO L231 Difference]: Finished difference. Result has 163 places, 157 transitions, 346 flow [2024-11-22 17:51:39,658 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} [2024-11-22 17:51:39,658 INFO L277 CegarLoopForPetriNet]: 187 programPoint places, -24 predicate places. [2024-11-22 17:51:39,658 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 157 transitions, 346 flow [2024-11-22 17:51:39,659 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) [2024-11-22 17:51:39,659 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:39,659 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] [2024-11-22 17:51:39,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:51:39,660 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)] === [2024-11-22 17:51:39,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:39,660 INFO L85 PathProgramCache]: Analyzing trace with hash -238212455, now seen corresponding path program 1 times [2024-11-22 17:51:39,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:39,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314089821] [2024-11-22 17:51:39,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:39,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:39,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:39,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314089821] [2024-11-22 17:51:39,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314089821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:39,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:39,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:51:39,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416876564] [2024-11-22 17:51:39,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:39,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:39,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:39,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:39,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:39,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 197 [2024-11-22 17:51:39,749 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) [2024-11-22 17:51:39,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:39,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 197 [2024-11-22 17:51:39,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:39,774 INFO L124 PetriNetUnfolderBase]: 1/215 cut-off events. [2024-11-22 17:51:39,774 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-22 17:51:39,775 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. [2024-11-22 17:51:39,775 INFO L140 encePairwiseOnDemand]: 194/197 looper letters, 17 selfloop transitions, 2 changer transitions 7/156 dead transitions. [2024-11-22 17:51:39,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 156 transitions, 386 flow [2024-11-22 17:51:39,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:39,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:39,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 509 transitions. [2024-11-22 17:51:39,777 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8612521150592216 [2024-11-22 17:51:39,777 INFO L175 Difference]: Start difference. First operand has 163 places, 157 transitions, 346 flow. Second operand 3 states and 509 transitions. [2024-11-22 17:51:39,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 156 transitions, 386 flow [2024-11-22 17:51:39,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 156 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:51:39,779 INFO L231 Difference]: Finished difference. Result has 162 places, 149 transitions, 327 flow [2024-11-22 17:51:39,779 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} [2024-11-22 17:51:39,780 INFO L277 CegarLoopForPetriNet]: 187 programPoint places, -25 predicate places. [2024-11-22 17:51:39,780 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 149 transitions, 327 flow [2024-11-22 17:51:39,780 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) [2024-11-22 17:51:39,780 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:39,780 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] [2024-11-22 17:51:39,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:51:39,781 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)] === [2024-11-22 17:51:39,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:39,781 INFO L85 PathProgramCache]: Analyzing trace with hash -542412696, now seen corresponding path program 1 times [2024-11-22 17:51:39,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:39,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218829352] [2024-11-22 17:51:39,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:39,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:39,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:39,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218829352] [2024-11-22 17:51:39,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218829352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:39,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:39,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:51:39,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459258545] [2024-11-22 17:51:39,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:39,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:39,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:39,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:39,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:39,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 197 [2024-11-22 17:51:39,856 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) [2024-11-22 17:51:39,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:39,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 197 [2024-11-22 17:51:39,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:39,873 INFO L124 PetriNetUnfolderBase]: 0/174 cut-off events. [2024-11-22 17:51:39,874 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-22 17:51:39,874 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. [2024-11-22 17:51:39,874 INFO L140 encePairwiseOnDemand]: 195/197 looper letters, 0 selfloop transitions, 0 changer transitions 148/148 dead transitions. [2024-11-22 17:51:39,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 148 transitions, 357 flow [2024-11-22 17:51:39,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:39,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:39,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 511 transitions. [2024-11-22 17:51:39,876 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8646362098138748 [2024-11-22 17:51:39,876 INFO L175 Difference]: Start difference. First operand has 162 places, 149 transitions, 327 flow. Second operand 3 states and 511 transitions. [2024-11-22 17:51:39,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 148 transitions, 357 flow [2024-11-22 17:51:39,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 148 transitions, 351 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-22 17:51:39,879 INFO L231 Difference]: Finished difference. Result has 155 places, 0 transitions, 0 flow [2024-11-22 17:51:39,879 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} [2024-11-22 17:51:39,881 INFO L277 CegarLoopForPetriNet]: 187 programPoint places, -32 predicate places. [2024-11-22 17:51:39,881 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 0 transitions, 0 flow [2024-11-22 17:51:39,882 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) [2024-11-22 17:51:39,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-11-22 17:51:39,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-11-22 17:51:39,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-11-22 17:51:39,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-11-22 17:51:39,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-11-22 17:51:39,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-11-22 17:51:39,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-22 17:51:39,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-11-22 17:51:39,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-11-22 17:51:39,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-11-22 17:51:39,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2024-11-22 17:51:39,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2024-11-22 17:51:39,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-11-22 17:51:39,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-11-22 17:51:39,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-11-22 17:51:39,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:51:39,888 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-22 17:51:39,893 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:51:39,893 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:51:39,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:51:39 BasicIcfg [2024-11-22 17:51:39,899 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:51:39,900 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:51:39,900 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:51:39,900 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:51:39,901 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:51:38" (3/4) ... [2024-11-22 17:51:39,903 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:51:39,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-22 17:51:39,909 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-22 17:51:39,909 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:51:39,909 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-22 17:51:39,909 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:51:39,987 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:51:39,987 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:51:39,988 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:51:39,988 INFO L158 Benchmark]: Toolchain (without parser) took 2657.09ms. Allocated memory was 163.6MB in the beginning and 224.4MB in the end (delta: 60.8MB). Free memory was 107.3MB in the beginning and 99.6MB in the end (delta: 7.7MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2024-11-22 17:51:39,988 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:51:39,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.27ms. Allocated memory is still 163.6MB. Free memory was 106.9MB in the beginning and 84.6MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-22 17:51:39,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.86ms. Allocated memory is still 163.6MB. Free memory was 84.6MB in the beginning and 82.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:51:39,989 INFO L158 Benchmark]: Boogie Preprocessor took 19.77ms. Allocated memory is still 163.6MB. Free memory was 82.1MB in the beginning and 80.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:51:39,989 INFO L158 Benchmark]: RCFGBuilder took 412.91ms. Allocated memory is still 163.6MB. Free memory was 80.4MB in the beginning and 60.0MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-22 17:51:39,989 INFO L158 Benchmark]: TraceAbstraction took 1707.02ms. Allocated memory was 163.6MB in the beginning and 224.4MB in the end (delta: 60.8MB). Free memory was 59.4MB in the beginning and 104.8MB in the end (delta: -45.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-22 17:51:39,989 INFO L158 Benchmark]: Witness Printer took 87.73ms. Allocated memory is still 224.4MB. Free memory was 104.8MB in the beginning and 99.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 17:51:39,990 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.27ms. Allocated memory is still 163.6MB. Free memory was 106.9MB in the beginning and 84.6MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.86ms. Allocated memory is still 163.6MB. Free memory was 84.6MB in the beginning and 82.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.77ms. Allocated memory is still 163.6MB. Free memory was 82.1MB in the beginning and 80.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.91ms. Allocated memory is still 163.6MB. Free memory was 80.4MB in the beginning and 60.0MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1707.02ms. Allocated memory was 163.6MB in the beginning and 224.4MB in the end (delta: 60.8MB). Free memory was 59.4MB in the beginning and 104.8MB in the end (delta: -45.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Witness Printer took 87.73ms. Allocated memory is still 224.4MB. Free memory was 104.8MB in the beginning and 99.6MB 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: 1.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.2s 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, 0.1s SatisfiabilityAnalysisTime, 0.4s 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! [2024-11-22 17:51:40,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE