./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_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 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:32:27,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:32:27,688 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:32:27,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:32:27,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:32:27,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:32:27,730 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:32:27,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:32:27,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:32:27,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:32:27,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:32:27,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:32:27,734 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:32:27,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:32:27,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:32:27,736 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:32:27,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:32:27,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:32:27,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:32:27,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:32:27,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:32:27,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:32:27,743 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:32:27,743 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:32:27,743 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:32:27,743 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:32:27,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:32:27,744 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:32:27,744 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:32:27,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:32:27,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:32:27,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:32:27,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:32:27,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:32:27,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:32:27,751 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:32:27,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:32:27,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:32:27,752 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:32:27,752 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:32:27,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:32:27,755 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 [2024-11-10 14:32:28,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:32:28,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:32:28,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:32:28,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:32:28,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:32:28,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2024-11-10 14:32:29,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:32:29,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:32:29,797 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2024-11-10 14:32:29,816 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d47f0a15d/abad9f5bbb62495687195b0b094c73de/FLAG7367df14b [2024-11-10 14:32:29,835 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d47f0a15d/abad9f5bbb62495687195b0b094c73de [2024-11-10 14:32:29,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:32:29,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:32:29,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:32:29,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:32:29,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:32:29,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:32:29" (1/1) ... [2024-11-10 14:32:29,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b88e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:29, skipping insertion in model container [2024-11-10 14:32:29,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:32:29" (1/1) ... [2024-11-10 14:32:29,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:32:30,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:32:30,267 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:32:30,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:32:30,368 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:32:30,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30 WrapperNode [2024-11-10 14:32:30,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:32:30,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:32:30,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:32:30,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:32:30,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30" (1/1) ... [2024-11-10 14:32:30,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30" (1/1) ... [2024-11-10 14:32:30,418 INFO L138 Inliner]: procedures = 165, calls = 24, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 125 [2024-11-10 14:32:30,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:32:30,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:32:30,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:32:30,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:32:30,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30" (1/1) ... [2024-11-10 14:32:30,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30" (1/1) ... [2024-11-10 14:32:30,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30" (1/1) ... [2024-11-10 14:32:30,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30" (1/1) ... [2024-11-10 14:32:30,440 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30" (1/1) ... [2024-11-10 14:32:30,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30" (1/1) ... [2024-11-10 14:32:30,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30" (1/1) ... [2024-11-10 14:32:30,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30" (1/1) ... [2024-11-10 14:32:30,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:32:30,454 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:32:30,454 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:32:30,454 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:32:30,455 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30" (1/1) ... [2024-11-10 14:32:30,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:32:30,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:32:30,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:32:30,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:32:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-11-10 14:32:30,551 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-11-10 14:32:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:32:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:32:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:32:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:32:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:32:30,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:32:30,554 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:32:30,706 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:32:30,709 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:32:30,940 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:32:30,941 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:32:30,979 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:32:30,980 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:32:30,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:32:30 BoogieIcfgContainer [2024-11-10 14:32:30,981 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:32:30,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:32:30,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:32:30,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:32:30,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:32:29" (1/3) ... [2024-11-10 14:32:30,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fae85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:32:30, skipping insertion in model container [2024-11-10 14:32:30,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:30" (2/3) ... [2024-11-10 14:32:30,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fae85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:32:30, skipping insertion in model container [2024-11-10 14:32:30,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:32:30" (3/3) ... [2024-11-10 14:32:30,991 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_69-refine-protected-loop-interval_true.i [2024-11-10 14:32:31,010 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:32:31,011 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-10 14:32:31,011 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:32:31,088 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:32:31,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 147 places, 155 transitions, 314 flow [2024-11-10 14:32:31,188 INFO L124 PetriNetUnfolderBase]: 12/154 cut-off events. [2024-11-10 14:32:31,190 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:32:31,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 154 events. 12/154 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 320 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2024-11-10 14:32:31,200 INFO L82 GeneralOperation]: Start removeDead. Operand has 147 places, 155 transitions, 314 flow [2024-11-10 14:32:31,209 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 154 transitions, 311 flow [2024-11-10 14:32:31,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:32:31,223 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;@734040af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:32:31,224 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-11-10 14:32:31,248 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:32:31,248 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-10 14:32:31,248 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:32:31,249 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:31,249 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] [2024-11-10 14:32:31,250 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-10 14:32:31,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:31,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1666765064, now seen corresponding path program 1 times [2024-11-10 14:32:31,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:31,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670555076] [2024-11-10 14:32:31,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:31,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:31,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:31,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670555076] [2024-11-10 14:32:31,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670555076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:31,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:31,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:31,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817181312] [2024-11-10 14:32:31,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:31,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:31,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:31,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:31,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:31,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 155 [2024-11-10 14:32:31,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 154 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:31,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:31,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 155 [2024-11-10 14:32:31,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:31,730 INFO L124 PetriNetUnfolderBase]: 65/499 cut-off events. [2024-11-10 14:32:31,731 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:32:31,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 620 conditions, 499 events. 65/499 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2738 event pairs, 45 based on Foata normal form. 56/489 useless extension candidates. Maximal degree in co-relation 572. Up to 115 conditions per place. [2024-11-10 14:32:31,739 INFO L140 encePairwiseOnDemand]: 144/155 looper letters, 19 selfloop transitions, 2 changer transitions 0/139 dead transitions. [2024-11-10 14:32:31,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 139 transitions, 323 flow [2024-11-10 14:32:31,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions. [2024-11-10 14:32:31,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8580645161290322 [2024-11-10 14:32:31,758 INFO L175 Difference]: Start difference. First operand has 146 places, 154 transitions, 311 flow. Second operand 3 states and 399 transitions. [2024-11-10 14:32:31,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 139 transitions, 323 flow [2024-11-10 14:32:31,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 139 transitions, 322 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:32:31,769 INFO L231 Difference]: Finished difference. Result has 139 places, 139 transitions, 284 flow [2024-11-10 14:32:31,772 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=139, PETRI_TRANSITIONS=139} [2024-11-10 14:32:31,776 INFO L277 CegarLoopForPetriNet]: 146 programPoint places, -7 predicate places. [2024-11-10 14:32:31,776 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 139 transitions, 284 flow [2024-11-10 14:32:31,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:31,777 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:31,777 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:32:31,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:32:31,778 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-10 14:32:31,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:31,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1506418138, now seen corresponding path program 1 times [2024-11-10 14:32:31,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:31,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759732356] [2024-11-10 14:32:31,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:31,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:31,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:31,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759732356] [2024-11-10 14:32:31,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759732356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:31,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:31,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:31,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105148020] [2024-11-10 14:32:31,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:31,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:31,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:31,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:31,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:31,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 155 [2024-11-10 14:32:31,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 139 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:31,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:31,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 155 [2024-11-10 14:32:31,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:32,242 INFO L124 PetriNetUnfolderBase]: 245/1613 cut-off events. [2024-11-10 14:32:32,242 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:32:32,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2110 conditions, 1613 events. 245/1613 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 11534 event pairs, 71 based on Foata normal form. 0/1472 useless extension candidates. Maximal degree in co-relation 2078. Up to 357 conditions per place. [2024-11-10 14:32:32,256 INFO L140 encePairwiseOnDemand]: 132/155 looper letters, 35 selfloop transitions, 16 changer transitions 0/160 dead transitions. [2024-11-10 14:32:32,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 160 transitions, 428 flow [2024-11-10 14:32:32,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:32,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 403 transitions. [2024-11-10 14:32:32,261 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2024-11-10 14:32:32,262 INFO L175 Difference]: Start difference. First operand has 139 places, 139 transitions, 284 flow. Second operand 3 states and 403 transitions. [2024-11-10 14:32:32,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 160 transitions, 428 flow [2024-11-10 14:32:32,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 160 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:32:32,268 INFO L231 Difference]: Finished difference. Result has 141 places, 155 transitions, 422 flow [2024-11-10 14:32:32,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=141, PETRI_TRANSITIONS=155} [2024-11-10 14:32:32,270 INFO L277 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2024-11-10 14:32:32,270 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 155 transitions, 422 flow [2024-11-10 14:32:32,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:32,271 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:32,271 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:32:32,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:32:32,271 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-10 14:32:32,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:32,273 INFO L85 PathProgramCache]: Analyzing trace with hash 559972920, now seen corresponding path program 1 times [2024-11-10 14:32:32,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:32,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011739303] [2024-11-10 14:32:32,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:32,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:32,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:32,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011739303] [2024-11-10 14:32:32,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011739303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:32,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:32,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:32,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365025430] [2024-11-10 14:32:32,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:32,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:32,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:32,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:32,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:32,436 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 155 [2024-11-10 14:32:32,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 155 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:32,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:32,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 155 [2024-11-10 14:32:32,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:32,646 INFO L124 PetriNetUnfolderBase]: 342/1911 cut-off events. [2024-11-10 14:32:32,647 INFO L125 PetriNetUnfolderBase]: For 499/564 co-relation queries the response was YES. [2024-11-10 14:32:32,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3039 conditions, 1911 events. 342/1911 cut-off events. For 499/564 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 14137 event pairs, 103 based on Foata normal form. 24/1775 useless extension candidates. Maximal degree in co-relation 2995. Up to 522 conditions per place. [2024-11-10 14:32:32,663 INFO L140 encePairwiseOnDemand]: 145/155 looper letters, 32 selfloop transitions, 16 changer transitions 0/173 dead transitions. [2024-11-10 14:32:32,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 173 transitions, 590 flow [2024-11-10 14:32:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:32,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 406 transitions. [2024-11-10 14:32:32,666 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8731182795698925 [2024-11-10 14:32:32,666 INFO L175 Difference]: Start difference. First operand has 141 places, 155 transitions, 422 flow. Second operand 3 states and 406 transitions. [2024-11-10 14:32:32,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 173 transitions, 590 flow [2024-11-10 14:32:32,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 173 transitions, 546 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:32:32,678 INFO L231 Difference]: Finished difference. Result has 143 places, 169 transitions, 536 flow [2024-11-10 14:32:32,678 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=143, PETRI_TRANSITIONS=169} [2024-11-10 14:32:32,679 INFO L277 CegarLoopForPetriNet]: 146 programPoint places, -3 predicate places. [2024-11-10 14:32:32,679 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 169 transitions, 536 flow [2024-11-10 14:32:32,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:32,702 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:32,702 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:32:32,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:32:32,702 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-10 14:32:32,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:32,703 INFO L85 PathProgramCache]: Analyzing trace with hash -2033093986, now seen corresponding path program 1 times [2024-11-10 14:32:32,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:32,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584172867] [2024-11-10 14:32:32,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:32,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:32,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:32,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:32,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584172867] [2024-11-10 14:32:32,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584172867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:32,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:32,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:32:32,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486234371] [2024-11-10 14:32:32,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:32,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:32,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:32,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:32,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:32,933 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 155 [2024-11-10 14:32:32,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 169 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:32,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:32,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 155 [2024-11-10 14:32:32,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:32,987 INFO L124 PetriNetUnfolderBase]: 26/399 cut-off events. [2024-11-10 14:32:32,987 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-10 14:32:32,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 399 events. 26/399 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1539 event pairs, 6 based on Foata normal form. 8/383 useless extension candidates. Maximal degree in co-relation 497. Up to 51 conditions per place. [2024-11-10 14:32:32,989 INFO L140 encePairwiseOnDemand]: 150/155 looper letters, 3 selfloop transitions, 5 changer transitions 0/135 dead transitions. [2024-11-10 14:32:32,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 135 transitions, 356 flow [2024-11-10 14:32:32,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:32,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2024-11-10 14:32:32,991 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9053763440860215 [2024-11-10 14:32:32,991 INFO L175 Difference]: Start difference. First operand has 143 places, 169 transitions, 536 flow. Second operand 3 states and 421 transitions. [2024-11-10 14:32:32,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 135 transitions, 356 flow [2024-11-10 14:32:32,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 135 transitions, 324 flow, removed 13 selfloop flow, removed 2 redundant places. [2024-11-10 14:32:32,998 INFO L231 Difference]: Finished difference. Result has 135 places, 135 transitions, 318 flow [2024-11-10 14:32:32,998 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=135, PETRI_TRANSITIONS=135} [2024-11-10 14:32:32,999 INFO L277 CegarLoopForPetriNet]: 146 programPoint places, -11 predicate places. [2024-11-10 14:32:32,999 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 135 transitions, 318 flow [2024-11-10 14:32:33,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:33,000 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:33,000 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:32:33,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:32:33,000 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-10 14:32:33,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:33,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1404014454, now seen corresponding path program 1 times [2024-11-10 14:32:33,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:33,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147447069] [2024-11-10 14:32:33,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:33,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:33,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:33,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147447069] [2024-11-10 14:32:33,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147447069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:33,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:33,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:32:33,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389118885] [2024-11-10 14:32:33,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:33,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:33,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:33,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:33,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:33,150 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 155 [2024-11-10 14:32:33,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 135 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:33,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:33,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 155 [2024-11-10 14:32:33,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:33,206 INFO L124 PetriNetUnfolderBase]: 23/374 cut-off events. [2024-11-10 14:32:33,206 INFO L125 PetriNetUnfolderBase]: For 30/35 co-relation queries the response was YES. [2024-11-10 14:32:33,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 504 conditions, 374 events. 23/374 cut-off events. For 30/35 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1082 event pairs, 0 based on Foata normal form. 2/364 useless extension candidates. Maximal degree in co-relation 458. Up to 39 conditions per place. [2024-11-10 14:32:33,208 INFO L140 encePairwiseOnDemand]: 151/155 looper letters, 13 selfloop transitions, 2 changer transitions 1/138 dead transitions. [2024-11-10 14:32:33,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 138 transitions, 360 flow [2024-11-10 14:32:33,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2024-11-10 14:32:33,210 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8903225806451613 [2024-11-10 14:32:33,210 INFO L175 Difference]: Start difference. First operand has 135 places, 135 transitions, 318 flow. Second operand 3 states and 414 transitions. [2024-11-10 14:32:33,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 138 transitions, 360 flow [2024-11-10 14:32:33,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 138 transitions, 353 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:32:33,213 INFO L231 Difference]: Finished difference. Result has 137 places, 136 transitions, 327 flow [2024-11-10 14:32:33,213 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=137, PETRI_TRANSITIONS=136} [2024-11-10 14:32:33,216 INFO L277 CegarLoopForPetriNet]: 146 programPoint places, -9 predicate places. [2024-11-10 14:32:33,216 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 136 transitions, 327 flow [2024-11-10 14:32:33,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:33,217 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:33,217 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:32:33,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:32:33,218 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-10 14:32:33,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:33,219 INFO L85 PathProgramCache]: Analyzing trace with hash 807016007, now seen corresponding path program 1 times [2024-11-10 14:32:33,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:33,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538995831] [2024-11-10 14:32:33,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:33,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:33,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:33,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538995831] [2024-11-10 14:32:33,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538995831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:33,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:33,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:33,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207564530] [2024-11-10 14:32:33,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:33,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:33,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:33,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:33,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:33,349 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 155 [2024-11-10 14:32:33,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 136 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:33,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:33,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 155 [2024-11-10 14:32:33,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:33,404 INFO L124 PetriNetUnfolderBase]: 55/441 cut-off events. [2024-11-10 14:32:33,404 INFO L125 PetriNetUnfolderBase]: For 81/85 co-relation queries the response was YES. [2024-11-10 14:32:33,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 441 events. 55/441 cut-off events. For 81/85 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1484 event pairs, 16 based on Foata normal form. 0/426 useless extension candidates. Maximal degree in co-relation 615. Up to 120 conditions per place. [2024-11-10 14:32:33,406 INFO L140 encePairwiseOnDemand]: 152/155 looper letters, 0 selfloop transitions, 0 changer transitions 135/135 dead transitions. [2024-11-10 14:32:33,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 135 transitions, 373 flow [2024-11-10 14:32:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 391 transitions. [2024-11-10 14:32:33,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8408602150537634 [2024-11-10 14:32:33,408 INFO L175 Difference]: Start difference. First operand has 137 places, 136 transitions, 327 flow. Second operand 3 states and 391 transitions. [2024-11-10 14:32:33,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 135 transitions, 373 flow [2024-11-10 14:32:33,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 135 transitions, 371 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:32:33,411 INFO L231 Difference]: Finished difference. Result has 137 places, 0 transitions, 0 flow [2024-11-10 14:32:33,411 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=137, PETRI_TRANSITIONS=0} [2024-11-10 14:32:33,412 INFO L277 CegarLoopForPetriNet]: 146 programPoint places, -9 predicate places. [2024-11-10 14:32:33,412 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 0 transitions, 0 flow [2024-11-10 14:32:33,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:33,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2024-11-10 14:32:33,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2024-11-10 14:32:33,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2024-11-10 14:32:33,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2024-11-10 14:32:33,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2024-11-10 14:32:33,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2024-11-10 14:32:33,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2024-11-10 14:32:33,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2024-11-10 14:32:33,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2024-11-10 14:32:33,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2024-11-10 14:32:33,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2024-11-10 14:32:33,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2024-11-10 14:32:33,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2024-11-10 14:32:33,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2024-11-10 14:32:33,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2024-11-10 14:32:33,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2024-11-10 14:32:33,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2024-11-10 14:32:33,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:32:33,422 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-10 14:32:33,429 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:32:33,429 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:32:33,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:32:33 BasicIcfg [2024-11-10 14:32:33,435 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:32:33,436 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:32:33,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:32:33,436 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:32:33,437 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:32:30" (3/4) ... [2024-11-10 14:32:33,438 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:32:33,442 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure worker [2024-11-10 14:32:33,446 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-10 14:32:33,446 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-10 14:32:33,446 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:32:33,446 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:32:33,525 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:32:33,525 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:32:33,525 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:32:33,526 INFO L158 Benchmark]: Toolchain (without parser) took 3685.09ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 110.0MB in the beginning and 54.6MB in the end (delta: 55.4MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2024-11-10 14:32:33,526 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:32:33,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.48ms. Allocated memory is still 167.8MB. Free memory was 109.6MB in the beginning and 87.3MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:33,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.84ms. Allocated memory is still 167.8MB. Free memory was 86.9MB in the beginning and 84.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:33,527 INFO L158 Benchmark]: Boogie Preprocessor took 33.42ms. Allocated memory is still 167.8MB. Free memory was 84.9MB in the beginning and 83.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:33,531 INFO L158 Benchmark]: IcfgBuilder took 527.97ms. Allocated memory is still 167.8MB. Free memory was 83.5MB in the beginning and 65.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 14:32:33,531 INFO L158 Benchmark]: TraceAbstraction took 2451.06ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 64.7MB in the beginning and 58.8MB in the end (delta: 5.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-10 14:32:33,532 INFO L158 Benchmark]: Witness Printer took 89.45ms. Allocated memory is still 209.7MB. Free memory was 58.8MB in the beginning and 54.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:32:33,533 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.48ms. Allocated memory is still 167.8MB. Free memory was 109.6MB in the beginning and 87.3MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.84ms. Allocated memory is still 167.8MB. Free memory was 86.9MB in the beginning and 84.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.42ms. Allocated memory is still 167.8MB. Free memory was 84.9MB in the beginning and 83.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 527.97ms. Allocated memory is still 167.8MB. Free memory was 83.5MB in the beginning and 65.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2451.06ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 64.7MB in the beginning and 58.8MB in the end (delta: 5.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Witness Printer took 89.45ms. Allocated memory is still 209.7MB. Free memory was 58.8MB in the beginning and 54.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: 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, 213 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 308 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 307 IncrementalHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 74 mSDtfsCounter, 307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=536occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 340 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 452 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:32:33,572 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