./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d 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_52-refine-protected-loop2-small_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 8627cbce136f39d723fc0eaadf7d8371bf261a07ec5ac59da2e79df34069083d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:39:06,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:39:06,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:39:06,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:39:06,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:39:06,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:39:06,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:39:06,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:39:06,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:39:06,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:39:06,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:39:06,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:39:06,353 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:39:06,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:39:06,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:39:06,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:39:06,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:39:06,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:39:06,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:39:06,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:39:06,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:39:06,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:39:06,357 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:39:06,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:39:06,357 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:39:06,358 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:39:06,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:39:06,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:39:06,359 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:39:06,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:39:06,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:39:06,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:39:06,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:39:06,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:39:06,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:39:06,360 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:39:06,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:39:06,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:39:06,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:39:06,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:39:06,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:39:06,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8627cbce136f39d723fc0eaadf7d8371bf261a07ec5ac59da2e79df34069083d [2024-11-16 23:39:06,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:39:06,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:39:06,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:39:06,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:39:06,633 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:39:06,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i [2024-11-16 23:39:08,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:39:08,358 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:39:08,358 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i [2024-11-16 23:39:08,373 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07923f4e4/477bb7b1ca494e17be392f591f27daef/FLAG88f9ff70d [2024-11-16 23:39:08,698 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07923f4e4/477bb7b1ca494e17be392f591f27daef [2024-11-16 23:39:08,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:39:08,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:39:08,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:39:08,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:39:08,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:39:08,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:08" (1/1) ... [2024-11-16 23:39:08,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a91a102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08, skipping insertion in model container [2024-11-16 23:39:08,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:08" (1/1) ... [2024-11-16 23:39:08,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:39:09,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:39:09,115 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:39:09,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:39:09,261 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:39:09,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09 WrapperNode [2024-11-16 23:39:09,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:39:09,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:39:09,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:39:09,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:39:09,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2024-11-16 23:39:09,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2024-11-16 23:39:09,360 INFO L138 Inliner]: procedures = 162, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-11-16 23:39:09,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:39:09,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:39:09,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:39:09,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:39:09,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2024-11-16 23:39:09,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2024-11-16 23:39:09,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2024-11-16 23:39:09,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2024-11-16 23:39:09,380 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2024-11-16 23:39:09,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2024-11-16 23:39:09,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2024-11-16 23:39:09,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2024-11-16 23:39:09,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:39:09,390 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:39:09,391 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:39:09,391 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:39:09,391 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2024-11-16 23:39:09,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:39:09,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:39:09,422 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) [2024-11-16 23:39:09,424 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 [2024-11-16 23:39:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-11-16 23:39:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-11-16 23:39:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:39:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:39:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:39:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:39:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:39:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:39:09,465 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:39:09,587 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:39:09,589 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:39:09,750 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:39:09,750 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:39:09,779 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:39:09,780 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:39:09,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:39:09 BoogieIcfgContainer [2024-11-16 23:39:09,780 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:39:09,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:39:09,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:39:09,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:39:09,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:39:08" (1/3) ... [2024-11-16 23:39:09,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb44c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:09, skipping insertion in model container [2024-11-16 23:39:09,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (2/3) ... [2024-11-16 23:39:09,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb44c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:09, skipping insertion in model container [2024-11-16 23:39:09,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:39:09" (3/3) ... [2024-11-16 23:39:09,787 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_52-refine-protected-loop2-small_true.i [2024-11-16 23:39:09,803 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:39:09,804 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-16 23:39:09,804 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:39:09,860 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:39:09,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 91 transitions, 186 flow [2024-11-16 23:39:09,945 INFO L124 PetriNetUnfolderBase]: 5/90 cut-off events. [2024-11-16 23:39:09,946 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:39:09,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 90 events. 5/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2024-11-16 23:39:09,951 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 91 transitions, 186 flow [2024-11-16 23:39:09,955 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 86 transitions, 175 flow [2024-11-16 23:39:09,963 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:39:09,972 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;@7824becf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:39:09,972 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-16 23:39:09,987 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:39:09,989 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2024-11-16 23:39:09,989 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:39:09,989 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:09,991 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] [2024-11-16 23:39:09,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr4ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-16 23:39:09,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:09,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1614244343, now seen corresponding path program 1 times [2024-11-16 23:39:10,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:10,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590209654] [2024-11-16 23:39:10,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:10,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:39:10,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:10,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590209654] [2024-11-16 23:39:10,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590209654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:10,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:10,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:39:10,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074765332] [2024-11-16 23:39:10,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:10,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:39:10,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:10,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:39:10,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:39:10,308 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 91 [2024-11-16 23:39:10,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 86 transitions, 175 flow. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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) [2024-11-16 23:39:10,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:10,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 91 [2024-11-16 23:39:10,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:10,345 INFO L124 PetriNetUnfolderBase]: 2/81 cut-off events. [2024-11-16 23:39:10,346 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:39:10,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 81 events. 2/81 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 2/77 useless extension candidates. Maximal degree in co-relation 63. Up to 12 conditions per place. [2024-11-16 23:39:10,347 INFO L140 encePairwiseOnDemand]: 86/91 looper letters, 11 selfloop transitions, 2 changer transitions 3/81 dead transitions. [2024-11-16 23:39:10,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 81 transitions, 191 flow [2024-11-16 23:39:10,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:39:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:39:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2024-11-16 23:39:10,359 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8498168498168498 [2024-11-16 23:39:10,361 INFO L175 Difference]: Start difference. First operand has 86 places, 86 transitions, 175 flow. Second operand 3 states and 232 transitions. [2024-11-16 23:39:10,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 81 transitions, 191 flow [2024-11-16 23:39:10,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 81 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:39:10,367 INFO L231 Difference]: Finished difference. Result has 84 places, 78 transitions, 162 flow [2024-11-16 23:39:10,368 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=84, PETRI_TRANSITIONS=78} [2024-11-16 23:39:10,371 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -2 predicate places. [2024-11-16 23:39:10,371 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 78 transitions, 162 flow [2024-11-16 23:39:10,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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) [2024-11-16 23:39:10,372 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:10,372 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] [2024-11-16 23:39:10,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:39:10,372 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr4ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-16 23:39:10,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:10,373 INFO L85 PathProgramCache]: Analyzing trace with hash -795411233, now seen corresponding path program 1 times [2024-11-16 23:39:10,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:10,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438894067] [2024-11-16 23:39:10,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:10,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:39:10,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:10,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438894067] [2024-11-16 23:39:10,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438894067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:10,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:10,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:39:10,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977499265] [2024-11-16 23:39:10,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:10,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:39:10,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:10,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:39:10,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:39:10,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 91 [2024-11-16 23:39:10,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 78 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2024-11-16 23:39:10,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:10,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 91 [2024-11-16 23:39:10,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:10,566 INFO L124 PetriNetUnfolderBase]: 2/88 cut-off events. [2024-11-16 23:39:10,566 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:39:10,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 88 events. 2/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 78. Up to 10 conditions per place. [2024-11-16 23:39:10,567 INFO L140 encePairwiseOnDemand]: 85/91 looper letters, 15 selfloop transitions, 3 changer transitions 0/80 dead transitions. [2024-11-16 23:39:10,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 80 transitions, 204 flow [2024-11-16 23:39:10,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:39:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:39:10,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2024-11-16 23:39:10,571 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2024-11-16 23:39:10,571 INFO L175 Difference]: Start difference. First operand has 84 places, 78 transitions, 162 flow. Second operand 3 states and 231 transitions. [2024-11-16 23:39:10,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 80 transitions, 204 flow [2024-11-16 23:39:10,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 80 transitions, 198 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:39:10,577 INFO L231 Difference]: Finished difference. Result has 79 places, 76 transitions, 165 flow [2024-11-16 23:39:10,577 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=79, PETRI_TRANSITIONS=76} [2024-11-16 23:39:10,578 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -7 predicate places. [2024-11-16 23:39:10,578 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 76 transitions, 165 flow [2024-11-16 23:39:10,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2024-11-16 23:39:10,579 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:10,579 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] [2024-11-16 23:39:10,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:39:10,580 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr4ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-16 23:39:10,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:10,581 INFO L85 PathProgramCache]: Analyzing trace with hash 2067701680, now seen corresponding path program 1 times [2024-11-16 23:39:10,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:10,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932846112] [2024-11-16 23:39:10,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:10,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:39:10,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:10,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932846112] [2024-11-16 23:39:10,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932846112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:10,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:10,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:39:10,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216784871] [2024-11-16 23:39:10,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:10,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:39:10,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:10,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:39:10,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:39:10,777 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 91 [2024-11-16 23:39:10,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 76 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2024-11-16 23:39:10,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:10,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 91 [2024-11-16 23:39:10,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:10,825 INFO L124 PetriNetUnfolderBase]: 2/87 cut-off events. [2024-11-16 23:39:10,829 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-16 23:39:10,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 87 events. 2/87 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 40 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 80. Up to 17 conditions per place. [2024-11-16 23:39:10,832 INFO L140 encePairwiseOnDemand]: 88/91 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2024-11-16 23:39:10,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 75 transitions, 191 flow [2024-11-16 23:39:10,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:39:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:39:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 230 transitions. [2024-11-16 23:39:10,835 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8424908424908425 [2024-11-16 23:39:10,835 INFO L175 Difference]: Start difference. First operand has 79 places, 76 transitions, 165 flow. Second operand 3 states and 230 transitions. [2024-11-16 23:39:10,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 75 transitions, 191 flow [2024-11-16 23:39:10,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 75 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:39:10,838 INFO L231 Difference]: Finished difference. Result has 79 places, 0 transitions, 0 flow [2024-11-16 23:39:10,840 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=79, PETRI_TRANSITIONS=0} [2024-11-16 23:39:10,841 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -7 predicate places. [2024-11-16 23:39:10,841 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 0 transitions, 0 flow [2024-11-16 23:39:10,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2024-11-16 23:39:10,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-11-16 23:39:10,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2024-11-16 23:39:10,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2024-11-16 23:39:10,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2024-11-16 23:39:10,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2024-11-16 23:39:10,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2024-11-16 23:39:10,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2024-11-16 23:39:10,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2024-11-16 23:39:10,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2024-11-16 23:39:10,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2024-11-16 23:39:10,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2024-11-16 23:39:10,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:39:10,852 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-16 23:39:10,858 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:39:10,858 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:39:10,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:39:10 BasicIcfg [2024-11-16 23:39:10,864 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:39:10,865 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:39:10,866 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:39:10,866 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:39:10,866 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:39:09" (3/4) ... [2024-11-16 23:39:10,868 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:39:10,871 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure worker [2024-11-16 23:39:10,876 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-16 23:39:10,876 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-16 23:39:10,876 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:39:10,877 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:39:10,958 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:39:10,958 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:39:10,959 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:39:10,959 INFO L158 Benchmark]: Toolchain (without parser) took 2257.77ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 104.5MB in the end (delta: -20.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:39:10,959 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:39:10,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.43ms. Allocated memory is still 155.2MB. Free memory was 84.0MB in the beginning and 123.4MB in the end (delta: -39.4MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-16 23:39:10,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.23ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 121.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:39:10,961 INFO L158 Benchmark]: Boogie Preprocessor took 27.51ms. Allocated memory is still 155.2MB. Free memory was 121.3MB in the beginning and 120.4MB in the end (delta: 937.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:39:10,961 INFO L158 Benchmark]: IcfgBuilder took 389.85ms. Allocated memory is still 155.2MB. Free memory was 120.4MB in the beginning and 104.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 23:39:10,962 INFO L158 Benchmark]: TraceAbstraction took 1082.34ms. Allocated memory is still 155.2MB. Free memory was 104.5MB in the beginning and 108.7MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:39:10,962 INFO L158 Benchmark]: Witness Printer took 93.23ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 104.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:39:10,964 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.43ms. Allocated memory is still 155.2MB. Free memory was 84.0MB in the beginning and 123.4MB in the end (delta: -39.4MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.23ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 121.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.51ms. Allocated memory is still 155.2MB. Free memory was 121.3MB in the beginning and 120.4MB in the end (delta: 937.0kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 389.85ms. Allocated memory is still 155.2MB. Free memory was 120.4MB in the beginning and 104.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1082.34ms. Allocated memory is still 155.2MB. Free memory was 104.5MB in the beginning and 108.7MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.23ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 104.5MB 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: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 137 locations, 11 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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 4 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.2s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:39:11,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE