./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.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_19-publish-precision_unknown_2_neg.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 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:31:51,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:31:52,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:31:52,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:31:52,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:31:52,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:31:52,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:31:52,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:31:52,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:31:52,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:31:52,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:31:52,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:31:52,037 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:31:52,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:31:52,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:31:52,038 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:31:52,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:31:52,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:31:52,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:31:52,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:31:52,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:31:52,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:31:52,043 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:31:52,044 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:31:52,044 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:31:52,044 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:31:52,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:31:52,044 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:31:52,045 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:31:52,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:31:52,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:31:52,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:31:52,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:31:52,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:31:52,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:31:52,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:31:52,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:31:52,047 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:31:52,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:31:52,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:31:52,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:31:52,048 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 [2024-11-10 14:31:52,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:31:52,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:31:52,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:31:52,308 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:31:52,308 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:31:52,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-11-10 14:31:53,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:31:53,960 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:31:53,960 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-11-10 14:31:53,978 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bd0e6f78/257dab5c4c4044c48356ae32a6390253/FLAGf6877310d [2024-11-10 14:31:53,990 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bd0e6f78/257dab5c4c4044c48356ae32a6390253 [2024-11-10 14:31:53,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:31:53,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:31:53,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:31:53,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:31:54,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:31:54,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:31:53" (1/1) ... [2024-11-10 14:31:54,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3baebbf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54, skipping insertion in model container [2024-11-10 14:31:54,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:31:53" (1/1) ... [2024-11-10 14:31:54,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:31:54,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:31:54,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:31:54,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:31:54,531 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:31:54,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54 WrapperNode [2024-11-10 14:31:54,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:31:54,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:31:54,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:31:54,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:31:54,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54" (1/1) ... [2024-11-10 14:31:54,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54" (1/1) ... [2024-11-10 14:31:54,575 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-10 14:31:54,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:31:54,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:31:54,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:31:54,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:31:54,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54" (1/1) ... [2024-11-10 14:31:54,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54" (1/1) ... [2024-11-10 14:31:54,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54" (1/1) ... [2024-11-10 14:31:54,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54" (1/1) ... [2024-11-10 14:31:54,597 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54" (1/1) ... [2024-11-10 14:31:54,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54" (1/1) ... [2024-11-10 14:31:54,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54" (1/1) ... [2024-11-10 14:31:54,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54" (1/1) ... [2024-11-10 14:31:54,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:31:54,610 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:31:54,611 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:31:54,611 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:31:54,611 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54" (1/1) ... [2024-11-10 14:31:54,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:31:54,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:31:54,648 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 14:31:54,655 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 14:31:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:31:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:31:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 14:31:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 14:31:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:31:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:31:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:31:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:31:54,705 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 14:31:54,836 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:31:54,838 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:31:54,996 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:31:54,996 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:31:55,035 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:31:55,035 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:31:55,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:31:55 BoogieIcfgContainer [2024-11-10 14:31:55,039 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:31:55,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:31:55,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:31:55,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:31:55,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:31:53" (1/3) ... [2024-11-10 14:31:55,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63250f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:31:55, skipping insertion in model container [2024-11-10 14:31:55,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:54" (2/3) ... [2024-11-10 14:31:55,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63250f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:31:55, skipping insertion in model container [2024-11-10 14:31:55,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:31:55" (3/3) ... [2024-11-10 14:31:55,050 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2024-11-10 14:31:55,068 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:31:55,068 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-10 14:31:55,068 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:31:55,129 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 14:31:55,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 83 transitions, 173 flow [2024-11-10 14:31:55,219 INFO L124 PetriNetUnfolderBase]: 2/82 cut-off events. [2024-11-10 14:31:55,219 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:31:55,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 82 events. 2/82 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2024-11-10 14:31:55,228 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 83 transitions, 173 flow [2024-11-10 14:31:55,232 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 77 transitions, 157 flow [2024-11-10 14:31:55,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:31:55,256 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;@ef7d8ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:31:55,256 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 14:31:55,273 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:31:55,274 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2024-11-10 14:31:55,274 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:31:55,274 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:55,275 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] [2024-11-10 14:31:55,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-10 14:31:55,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:55,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1399233620, now seen corresponding path program 1 times [2024-11-10 14:31:55,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:55,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841729509] [2024-11-10 14:31:55,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:55,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:55,555 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 14:31:55,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:55,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841729509] [2024-11-10 14:31:55,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841729509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:55,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:55,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:31:55,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518558372] [2024-11-10 14:31:55,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:55,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:31:55,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:55,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:31:55,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:31:55,612 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 83 [2024-11-10 14:31:55,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 77 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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 14:31:55,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:55,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 83 [2024-11-10 14:31:55,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:55,772 INFO L124 PetriNetUnfolderBase]: 46/314 cut-off events. [2024-11-10 14:31:55,776 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:31:55,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 314 events. 46/314 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1493 event pairs, 12 based on Foata normal form. 30/312 useless extension candidates. Maximal degree in co-relation 400. Up to 65 conditions per place. [2024-11-10 14:31:55,780 INFO L140 encePairwiseOnDemand]: 76/83 looper letters, 18 selfloop transitions, 4 changer transitions 2/83 dead transitions. [2024-11-10 14:31:55,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 83 transitions, 217 flow [2024-11-10 14:31:55,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:31:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:31:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2024-11-10 14:31:55,806 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8995983935742972 [2024-11-10 14:31:55,821 INFO L175 Difference]: Start difference. First operand has 79 places, 77 transitions, 157 flow. Second operand 3 states and 224 transitions. [2024-11-10 14:31:55,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 83 transitions, 217 flow [2024-11-10 14:31:55,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 83 transitions, 216 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:31:55,835 INFO L231 Difference]: Finished difference. Result has 80 places, 76 transitions, 178 flow [2024-11-10 14:31:55,839 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=80, PETRI_TRANSITIONS=76} [2024-11-10 14:31:55,843 INFO L277 CegarLoopForPetriNet]: 79 programPoint places, 1 predicate places. [2024-11-10 14:31:55,844 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 76 transitions, 178 flow [2024-11-10 14:31:55,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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 14:31:55,845 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:55,845 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] [2024-11-10 14:31:55,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:31:55,846 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-10 14:31:55,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:55,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1788972615, now seen corresponding path program 1 times [2024-11-10 14:31:55,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:55,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745512274] [2024-11-10 14:31:55,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:55,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:55,935 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 14:31:55,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:55,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745512274] [2024-11-10 14:31:55,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745512274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:55,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:55,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:31:55,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459878453] [2024-11-10 14:31:55,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:55,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:31:55,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:55,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:31:55,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:31:55,957 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 83 [2024-11-10 14:31:55,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 76 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 14:31:55,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:55,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 83 [2024-11-10 14:31:55,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:56,046 INFO L124 PetriNetUnfolderBase]: 50/323 cut-off events. [2024-11-10 14:31:56,046 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-11-10 14:31:56,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 323 events. 50/323 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1642 event pairs, 31 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 479. Up to 107 conditions per place. [2024-11-10 14:31:56,049 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 18 selfloop transitions, 5 changer transitions 0/81 dead transitions. [2024-11-10 14:31:56,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 81 transitions, 238 flow [2024-11-10 14:31:56,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:31:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:31:56,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2024-11-10 14:31:56,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8473895582329317 [2024-11-10 14:31:56,056 INFO L175 Difference]: Start difference. First operand has 80 places, 76 transitions, 178 flow. Second operand 3 states and 211 transitions. [2024-11-10 14:31:56,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 81 transitions, 238 flow [2024-11-10 14:31:56,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 81 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:31:56,059 INFO L231 Difference]: Finished difference. Result has 82 places, 79 transitions, 206 flow [2024-11-10 14:31:56,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=82, PETRI_TRANSITIONS=79} [2024-11-10 14:31:56,063 INFO L277 CegarLoopForPetriNet]: 79 programPoint places, 3 predicate places. [2024-11-10 14:31:56,063 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 79 transitions, 206 flow [2024-11-10 14:31:56,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 14:31:56,064 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:56,064 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] [2024-11-10 14:31:56,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:31:56,064 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-10 14:31:56,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:56,065 INFO L85 PathProgramCache]: Analyzing trace with hash -2035520242, now seen corresponding path program 1 times [2024-11-10 14:31:56,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:56,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303269423] [2024-11-10 14:31:56,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:56,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:56,352 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 14:31:56,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:56,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303269423] [2024-11-10 14:31:56,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303269423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:56,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:56,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 14:31:56,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768097154] [2024-11-10 14:31:56,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:56,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:31:56,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:56,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:31:56,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:31:56,454 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 83 [2024-11-10 14:31:56,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 79 transitions, 206 flow. Second operand has 6 states, 6 states have (on average 69.0) internal successors, (414), 6 states have internal predecessors, (414), 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 14:31:56,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:56,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 83 [2024-11-10 14:31:56,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:56,540 INFO L124 PetriNetUnfolderBase]: 5/163 cut-off events. [2024-11-10 14:31:56,541 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-10 14:31:56,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 163 events. 5/163 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 382 event pairs, 2 based on Foata normal form. 4/159 useless extension candidates. Maximal degree in co-relation 191. Up to 16 conditions per place. [2024-11-10 14:31:56,543 INFO L140 encePairwiseOnDemand]: 75/83 looper letters, 3 selfloop transitions, 7 changer transitions 9/75 dead transitions. [2024-11-10 14:31:56,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 75 transitions, 206 flow [2024-11-10 14:31:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:31:56,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:31:56,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 356 transitions. [2024-11-10 14:31:56,548 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8578313253012049 [2024-11-10 14:31:56,548 INFO L175 Difference]: Start difference. First operand has 82 places, 79 transitions, 206 flow. Second operand 5 states and 356 transitions. [2024-11-10 14:31:56,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 75 transitions, 206 flow [2024-11-10 14:31:56,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 75 transitions, 188 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-10 14:31:56,552 INFO L231 Difference]: Finished difference. Result has 80 places, 65 transitions, 156 flow [2024-11-10 14:31:56,553 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=156, PETRI_PLACES=80, PETRI_TRANSITIONS=65} [2024-11-10 14:31:56,554 INFO L277 CegarLoopForPetriNet]: 79 programPoint places, 1 predicate places. [2024-11-10 14:31:56,554 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 65 transitions, 156 flow [2024-11-10 14:31:56,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.0) internal successors, (414), 6 states have internal predecessors, (414), 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 14:31:56,555 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:56,555 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 14:31:56,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:31:56,556 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-10 14:31:56,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:56,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1877893710, now seen corresponding path program 1 times [2024-11-10 14:31:56,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:56,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210005681] [2024-11-10 14:31:56,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:56,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:31:56,650 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 14:31:56,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:31:56,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210005681] [2024-11-10 14:31:56,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210005681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:31:56,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:31:56,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:31:56,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668102501] [2024-11-10 14:31:56,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:31:56,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:31:56,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:31:56,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:31:56,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:31:56,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 83 [2024-11-10 14:31:56,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 65 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 14:31:56,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:31:56,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 83 [2024-11-10 14:31:56,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:56,707 INFO L124 PetriNetUnfolderBase]: 4/105 cut-off events. [2024-11-10 14:31:56,708 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-10 14:31:56,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 105 events. 4/105 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 143 event pairs, 3 based on Foata normal form. 2/103 useless extension candidates. Maximal degree in co-relation 126. Up to 27 conditions per place. [2024-11-10 14:31:56,709 INFO L140 encePairwiseOnDemand]: 81/83 looper letters, 0 selfloop transitions, 0 changer transitions 64/64 dead transitions. [2024-11-10 14:31:56,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 64 transitions, 180 flow [2024-11-10 14:31:56,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:31:56,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:31:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2024-11-10 14:31:56,713 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8072289156626506 [2024-11-10 14:31:56,713 INFO L175 Difference]: Start difference. First operand has 80 places, 65 transitions, 156 flow. Second operand 3 states and 201 transitions. [2024-11-10 14:31:56,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 64 transitions, 180 flow [2024-11-10 14:31:56,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 64 transitions, 172 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 14:31:56,715 INFO L231 Difference]: Finished difference. Result has 70 places, 0 transitions, 0 flow [2024-11-10 14:31:56,715 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=70, PETRI_TRANSITIONS=0} [2024-11-10 14:31:56,717 INFO L277 CegarLoopForPetriNet]: 79 programPoint places, -9 predicate places. [2024-11-10 14:31:56,718 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 0 transitions, 0 flow [2024-11-10 14:31:56,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 14:31:56,721 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2024-11-10 14:31:56,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-11-10 14:31:56,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2024-11-10 14:31:56,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2024-11-10 14:31:56,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2024-11-10 14:31:56,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2024-11-10 14:31:56,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:31:56,725 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 14:31:56,733 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:31:56,733 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:31:56,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:31:56 BasicIcfg [2024-11-10 14:31:56,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:31:56,741 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:31:56,744 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:31:56,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:31:56,745 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:31:55" (3/4) ... [2024-11-10 14:31:56,747 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:31:56,750 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-10 14:31:56,754 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-10 14:31:56,754 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:31:56,754 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 14:31:56,755 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:31:56,841 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:31:56,841 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:31:56,841 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:31:56,843 INFO L158 Benchmark]: Toolchain (without parser) took 2845.32ms. Allocated memory was 161.5MB in the beginning and 220.2MB in the end (delta: 58.7MB). Free memory was 104.1MB in the beginning and 172.7MB in the end (delta: -68.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:31:56,843 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:31:56,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.00ms. Allocated memory is still 161.5MB. Free memory was 103.6MB in the beginning and 119.8MB in the end (delta: -16.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 14:31:56,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.96ms. Allocated memory is still 161.5MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:31:56,844 INFO L158 Benchmark]: Boogie Preprocessor took 33.79ms. Allocated memory is still 161.5MB. Free memory was 117.7MB in the beginning and 116.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:31:56,844 INFO L158 Benchmark]: IcfgBuilder took 428.77ms. Allocated memory is still 161.5MB. Free memory was 116.2MB in the beginning and 100.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 14:31:56,845 INFO L158 Benchmark]: TraceAbstraction took 1699.52ms. Allocated memory was 161.5MB in the beginning and 220.2MB in the end (delta: 58.7MB). Free memory was 99.5MB in the beginning and 175.8MB in the end (delta: -76.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:31:56,845 INFO L158 Benchmark]: Witness Printer took 100.30ms. Allocated memory is still 220.2MB. Free memory was 175.8MB in the beginning and 172.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:31:56,850 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 96.5MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.00ms. Allocated memory is still 161.5MB. Free memory was 103.6MB in the beginning and 119.8MB in the end (delta: -16.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.96ms. Allocated memory is still 161.5MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.79ms. Allocated memory is still 161.5MB. Free memory was 117.7MB in the beginning and 116.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 428.77ms. Allocated memory is still 161.5MB. Free memory was 116.2MB in the beginning and 100.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1699.52ms. Allocated memory was 161.5MB in the beginning and 220.2MB in the end (delta: 58.7MB). Free memory was 99.5MB in the beginning and 175.8MB in the end (delta: -76.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 100.30ms. Allocated memory is still 220.2MB. Free memory was 175.8MB in the beginning and 172.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: 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: 690]: 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, 111 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: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 4 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 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 14:31:56,879 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