./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_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 b9cb80ce7b0c0db24d48a98e6e8d1fa81dc0ba8a1f2c5d148b0b0229d5ab18a1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:32:07,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:32:07,820 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:32:07,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:32:07,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:32:07,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:32:07,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:32:07,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:32:07,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:32:07,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:32:07,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:32:07,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:32:07,846 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:32:07,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:32:07,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:32:07,847 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:32:07,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:32:07,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:32:07,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:32:07,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:32:07,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:32:07,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:32:07,852 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:32:07,852 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:32:07,852 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:32:07,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:32:07,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:32:07,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:32:07,853 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:32:07,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:32:07,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:32:07,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:32:07,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:32:07,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:32:07,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:32:07,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:32:07,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:32:07,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:32:07,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:32:07,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:32:07,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:32:07,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9cb80ce7b0c0db24d48a98e6e8d1fa81dc0ba8a1f2c5d148b0b0229d5ab18a1 [2024-11-10 14:32:08,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:32:08,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:32:08,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:32:08,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:32:08,040 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:32:08,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-11-10 14:32:09,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:32:09,388 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:32:09,388 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-11-10 14:32:09,402 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc20158c/d7608d56896c4c0e90c01fde894a5a6e/FLAGbcecebd17 [2024-11-10 14:32:09,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc20158c/d7608d56896c4c0e90c01fde894a5a6e [2024-11-10 14:32:09,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:32:09,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:32:09,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:32:09,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:32:09,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:32:09,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:32:09" (1/1) ... [2024-11-10 14:32:09,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c11742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:09, skipping insertion in model container [2024-11-10 14:32:09,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:32:09" (1/1) ... [2024-11-10 14:32:09,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:32:10,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:32:10,064 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:32:10,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:32:10,116 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:32:10,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10 WrapperNode [2024-11-10 14:32:10,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:32:10,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:32:10,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:32:10,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:32:10,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10" (1/1) ... [2024-11-10 14:32:10,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10" (1/1) ... [2024-11-10 14:32:10,153 INFO L138 Inliner]: procedures = 163, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-10 14:32:10,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:32:10,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:32:10,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:32:10,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:32:10,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10" (1/1) ... [2024-11-10 14:32:10,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10" (1/1) ... [2024-11-10 14:32:10,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10" (1/1) ... [2024-11-10 14:32:10,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10" (1/1) ... [2024-11-10 14:32:10,169 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10" (1/1) ... [2024-11-10 14:32:10,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10" (1/1) ... [2024-11-10 14:32:10,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10" (1/1) ... [2024-11-10 14:32:10,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10" (1/1) ... [2024-11-10 14:32:10,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:32:10,185 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:32:10,185 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:32:10,185 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:32:10,186 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10" (1/1) ... [2024-11-10 14:32:10,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:32:10,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:32:10,217 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) [2024-11-10 14:32:10,220 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 [2024-11-10 14:32:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 14:32:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 14:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:32:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:32:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:32:10,271 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:32:10,380 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:32:10,382 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:32:10,558 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:32:10,558 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:32:10,589 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:32:10,590 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:32:10,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:32:10 BoogieIcfgContainer [2024-11-10 14:32:10,592 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:32:10,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:32:10,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:32:10,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:32:10,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:32:09" (1/3) ... [2024-11-10 14:32:10,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33796aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:32:10, skipping insertion in model container [2024-11-10 14:32:10,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:10" (2/3) ... [2024-11-10 14:32:10,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33796aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:32:10, skipping insertion in model container [2024-11-10 14:32:10,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:32:10" (3/3) ... [2024-11-10 14:32:10,600 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-11-10 14:32:10,612 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:32:10,612 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-10 14:32:10,612 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:32:10,655 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:32:10,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 107 transitions, 218 flow [2024-11-10 14:32:10,731 INFO L124 PetriNetUnfolderBase]: 3/106 cut-off events. [2024-11-10 14:32:10,731 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:32:10,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 106 events. 3/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 116 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2024-11-10 14:32:10,735 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 107 transitions, 218 flow [2024-11-10 14:32:10,738 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 106 transitions, 215 flow [2024-11-10 14:32:10,745 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:32:10,750 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;@5c2417b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:32:10,750 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 14:32:10,770 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:32:10,770 INFO L124 PetriNetUnfolderBase]: 0/62 cut-off events. [2024-11-10 14:32:10,770 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:32:10,770 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:10,771 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] [2024-11-10 14:32:10,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-10 14:32:10,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:10,775 INFO L85 PathProgramCache]: Analyzing trace with hash -2027710397, now seen corresponding path program 1 times [2024-11-10 14:32:10,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:10,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640328757] [2024-11-10 14:32:10,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:10,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:11,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:11,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640328757] [2024-11-10 14:32:11,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640328757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:11,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:11,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:11,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776037445] [2024-11-10 14:32:11,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:11,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:11,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:11,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:11,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:11,114 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 107 [2024-11-10 14:32:11,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 106 transitions, 215 flow. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) [2024-11-10 14:32:11,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:11,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 107 [2024-11-10 14:32:11,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:11,230 INFO L124 PetriNetUnfolderBase]: 92/428 cut-off events. [2024-11-10 14:32:11,231 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:32:11,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 428 events. 92/428 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2387 event pairs, 77 based on Foata normal form. 26/432 useless extension candidates. Maximal degree in co-relation 598. Up to 178 conditions per place. [2024-11-10 14:32:11,236 INFO L140 encePairwiseOnDemand]: 100/107 looper letters, 27 selfloop transitions, 4 changer transitions 0/111 dead transitions. [2024-11-10 14:32:11,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 111 transitions, 287 flow [2024-11-10 14:32:11,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:11,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:11,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 282 transitions. [2024-11-10 14:32:11,249 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8785046728971962 [2024-11-10 14:32:11,251 INFO L175 Difference]: Start difference. First operand has 107 places, 106 transitions, 215 flow. Second operand 3 states and 282 transitions. [2024-11-10 14:32:11,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 111 transitions, 287 flow [2024-11-10 14:32:11,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 111 transitions, 286 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:32:11,257 INFO L231 Difference]: Finished difference. Result has 108 places, 105 transitions, 236 flow [2024-11-10 14:32:11,259 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=108, PETRI_TRANSITIONS=105} [2024-11-10 14:32:11,262 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 1 predicate places. [2024-11-10 14:32:11,262 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 105 transitions, 236 flow [2024-11-10 14:32:11,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) [2024-11-10 14:32:11,263 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:11,263 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] [2024-11-10 14:32:11,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:32:11,263 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-10 14:32:11,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:11,264 INFO L85 PathProgramCache]: Analyzing trace with hash -425222840, now seen corresponding path program 1 times [2024-11-10 14:32:11,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:11,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100777381] [2024-11-10 14:32:11,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:11,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:11,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:11,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100777381] [2024-11-10 14:32:11,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100777381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:11,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:11,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:11,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649948589] [2024-11-10 14:32:11,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:11,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:11,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:11,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:11,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:11,355 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 107 [2024-11-10 14:32:11,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 105 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2024-11-10 14:32:11,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:11,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 107 [2024-11-10 14:32:11,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:11,461 INFO L124 PetriNetUnfolderBase]: 94/612 cut-off events. [2024-11-10 14:32:11,461 INFO L125 PetriNetUnfolderBase]: For 41/43 co-relation queries the response was YES. [2024-11-10 14:32:11,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900 conditions, 612 events. 94/612 cut-off events. For 41/43 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3763 event pairs, 65 based on Foata normal form. 0/570 useless extension candidates. Maximal degree in co-relation 858. Up to 167 conditions per place. [2024-11-10 14:32:11,466 INFO L140 encePairwiseOnDemand]: 102/107 looper letters, 24 selfloop transitions, 5 changer transitions 3/116 dead transitions. [2024-11-10 14:32:11,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 116 transitions, 326 flow [2024-11-10 14:32:11,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:11,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:11,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2024-11-10 14:32:11,470 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8847352024922118 [2024-11-10 14:32:11,470 INFO L175 Difference]: Start difference. First operand has 108 places, 105 transitions, 236 flow. Second operand 3 states and 284 transitions. [2024-11-10 14:32:11,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 116 transitions, 326 flow [2024-11-10 14:32:11,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 116 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:32:11,476 INFO L231 Difference]: Finished difference. Result has 110 places, 108 transitions, 264 flow [2024-11-10 14:32:11,476 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=110, PETRI_TRANSITIONS=108} [2024-11-10 14:32:11,477 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 3 predicate places. [2024-11-10 14:32:11,477 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 108 transitions, 264 flow [2024-11-10 14:32:11,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2024-11-10 14:32:11,477 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:11,477 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] [2024-11-10 14:32:11,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:32:11,478 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-10 14:32:11,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:11,479 INFO L85 PathProgramCache]: Analyzing trace with hash 47853340, now seen corresponding path program 1 times [2024-11-10 14:32:11,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:11,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725251966] [2024-11-10 14:32:11,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:11,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:11,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:11,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:11,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725251966] [2024-11-10 14:32:11,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725251966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:11,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:11,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:11,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95712560] [2024-11-10 14:32:11,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:11,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:11,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:11,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:11,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:11,576 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 107 [2024-11-10 14:32:11,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 108 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2024-11-10 14:32:11,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:11,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 107 [2024-11-10 14:32:11,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:11,674 INFO L124 PetriNetUnfolderBase]: 96/587 cut-off events. [2024-11-10 14:32:11,675 INFO L125 PetriNetUnfolderBase]: For 124/124 co-relation queries the response was YES. [2024-11-10 14:32:11,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 945 conditions, 587 events. 96/587 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3720 event pairs, 75 based on Foata normal form. 0/563 useless extension candidates. Maximal degree in co-relation 902. Up to 195 conditions per place. [2024-11-10 14:32:11,677 INFO L140 encePairwiseOnDemand]: 102/107 looper letters, 28 selfloop transitions, 4 changer transitions 3/117 dead transitions. [2024-11-10 14:32:11,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 117 transitions, 356 flow [2024-11-10 14:32:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:11,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:11,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 278 transitions. [2024-11-10 14:32:11,679 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8660436137071651 [2024-11-10 14:32:11,679 INFO L175 Difference]: Start difference. First operand has 110 places, 108 transitions, 264 flow. Second operand 3 states and 278 transitions. [2024-11-10 14:32:11,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 117 transitions, 356 flow [2024-11-10 14:32:11,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 117 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:32:11,682 INFO L231 Difference]: Finished difference. Result has 112 places, 108 transitions, 278 flow [2024-11-10 14:32:11,682 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=112, PETRI_TRANSITIONS=108} [2024-11-10 14:32:11,683 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 5 predicate places. [2024-11-10 14:32:11,683 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 108 transitions, 278 flow [2024-11-10 14:32:11,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2024-11-10 14:32:11,683 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:11,683 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] [2024-11-10 14:32:11,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:32:11,684 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-10 14:32:11,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:11,684 INFO L85 PathProgramCache]: Analyzing trace with hash 521478161, now seen corresponding path program 1 times [2024-11-10 14:32:11,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:11,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820712190] [2024-11-10 14:32:11,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:11,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:12,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:12,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820712190] [2024-11-10 14:32:12,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820712190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:12,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:12,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 14:32:12,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253910019] [2024-11-10 14:32:12,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:12,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 14:32:12,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:12,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 14:32:12,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-10 14:32:12,114 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 107 [2024-11-10 14:32:12,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 108 transitions, 278 flow. Second operand has 8 states, 8 states have (on average 87.25) internal successors, (698), 8 states have internal predecessors, (698), 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) [2024-11-10 14:32:12,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:12,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 107 [2024-11-10 14:32:12,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:12,207 INFO L124 PetriNetUnfolderBase]: 39/305 cut-off events. [2024-11-10 14:32:12,208 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-10 14:32:12,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 305 events. 39/305 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1243 event pairs, 6 based on Foata normal form. 12/305 useless extension candidates. Maximal degree in co-relation 394. Up to 54 conditions per place. [2024-11-10 14:32:12,209 INFO L140 encePairwiseOnDemand]: 98/107 looper letters, 0 selfloop transitions, 0 changer transitions 105/105 dead transitions. [2024-11-10 14:32:12,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 105 transitions, 288 flow [2024-11-10 14:32:12,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:32:12,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:32:12,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 544 transitions. [2024-11-10 14:32:12,211 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8473520249221184 [2024-11-10 14:32:12,211 INFO L175 Difference]: Start difference. First operand has 112 places, 108 transitions, 278 flow. Second operand 6 states and 544 transitions. [2024-11-10 14:32:12,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 105 transitions, 288 flow [2024-11-10 14:32:12,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 105 transitions, 260 flow, removed 7 selfloop flow, removed 8 redundant places. [2024-11-10 14:32:12,213 INFO L231 Difference]: Finished difference. Result has 106 places, 0 transitions, 0 flow [2024-11-10 14:32:12,214 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=106, PETRI_TRANSITIONS=0} [2024-11-10 14:32:12,214 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, -1 predicate places. [2024-11-10 14:32:12,215 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 0 transitions, 0 flow [2024-11-10 14:32:12,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 87.25) internal successors, (698), 8 states have internal predecessors, (698), 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) [2024-11-10 14:32:12,217 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2024-11-10 14:32:12,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-11-10 14:32:12,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2024-11-10 14:32:12,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2024-11-10 14:32:12,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2024-11-10 14:32:12,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2024-11-10 14:32:12,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:32:12,219 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 14:32:12,223 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:32:12,223 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:32:12,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:32:12 BasicIcfg [2024-11-10 14:32:12,227 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:32:12,228 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:32:12,229 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:32:12,229 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:32:12,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:32:10" (3/4) ... [2024-11-10 14:32:12,231 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:32:12,233 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-10 14:32:12,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-10 14:32:12,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:32:12,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 14:32:12,236 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:32:12,301 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:32:12,302 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:32:12,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:32:12,302 INFO L158 Benchmark]: Toolchain (without parser) took 2535.97ms. Allocated memory was 155.2MB in the beginning and 222.3MB in the end (delta: 67.1MB). Free memory was 80.6MB in the beginning and 119.8MB in the end (delta: -39.3MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:12,303 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory was 105.7MB in the beginning and 105.5MB in the end (delta: 211.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:12,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.24ms. Allocated memory is still 155.2MB. Free memory was 80.3MB in the beginning and 57.9MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:12,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.29ms. Allocated memory is still 155.2MB. Free memory was 57.9MB in the beginning and 55.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:12,304 INFO L158 Benchmark]: Boogie Preprocessor took 30.93ms. Allocated memory is still 155.2MB. Free memory was 55.6MB in the beginning and 124.5MB in the end (delta: -68.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-10 14:32:12,305 INFO L158 Benchmark]: IcfgBuilder took 407.20ms. Allocated memory was 155.2MB in the beginning and 222.3MB in the end (delta: 67.1MB). Free memory was 124.5MB in the beginning and 177.1MB in the end (delta: -52.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-10 14:32:12,306 INFO L158 Benchmark]: TraceAbstraction took 1633.21ms. Allocated memory is still 222.3MB. Free memory was 176.0MB in the beginning and 124.0MB in the end (delta: 52.0MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-11-10 14:32:12,306 INFO L158 Benchmark]: Witness Printer took 74.27ms. Allocated memory is still 222.3MB. Free memory was 124.0MB in the beginning and 119.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:32:12,307 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 155.2MB. Free memory was 105.7MB in the beginning and 105.5MB in the end (delta: 211.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.24ms. Allocated memory is still 155.2MB. Free memory was 80.3MB in the beginning and 57.9MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.29ms. Allocated memory is still 155.2MB. Free memory was 57.9MB in the beginning and 55.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.93ms. Allocated memory is still 155.2MB. Free memory was 55.6MB in the beginning and 124.5MB in the end (delta: -68.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * IcfgBuilder took 407.20ms. Allocated memory was 155.2MB in the beginning and 222.3MB in the end (delta: 67.1MB). Free memory was 124.5MB in the beginning and 177.1MB in the end (delta: -52.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1633.21ms. Allocated memory is still 222.3MB. Free memory was 176.0MB in the beginning and 124.0MB in the end (delta: 52.0MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Witness Printer took 74.27ms. Allocated memory is still 222.3MB. Free memory was 124.0MB in the beginning and 119.8MB 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: 713]: 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: 693]: 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, 138 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 156 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 397 IncrementalHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 13 mSDtfsCounter, 397 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=278occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 0.5s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:32:12,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE