./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/test-easy8.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/test-easy8.wvr.c -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 8f1ab1ba58134315bb95f4d7907dcf46708a987e1262dae752b0729e60618d99 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:59:37,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:59:37,415 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:59:37,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:59:37,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:59:37,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:59:37,439 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:59:37,440 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:59:37,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:59:37,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:59:37,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:59:37,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:59:37,442 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:59:37,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:59:37,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:59:37,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:59:37,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:59:37,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:59:37,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:59:37,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:59:37,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:59:37,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:59:37,461 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:59:37,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:59:37,461 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:59:37,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:59:37,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:59:37,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:59:37,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:59:37,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:59:37,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:59:37,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:59:37,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:59:37,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:59:37,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:59:37,464 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:59:37,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:59:37,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:59:37,464 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:59:37,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:59:37,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:59:37,465 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f1ab1ba58134315bb95f4d7907dcf46708a987e1262dae752b0729e60618d99 [2024-11-22 17:59:37,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:59:37,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:59:37,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:59:37,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:59:37,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:59:37,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/test-easy8.wvr.c [2024-11-22 17:59:39,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:59:39,336 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:59:39,337 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-easy8.wvr.c [2024-11-22 17:59:39,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f4970281/b127ec22c1dc41b88c7a5cba46e32054/FLAGffabd19c1 [2024-11-22 17:59:39,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f4970281/b127ec22c1dc41b88c7a5cba46e32054 [2024-11-22 17:59:39,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:59:39,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:59:39,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:59:39,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:59:39,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:59:39,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5fdefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39, skipping insertion in model container [2024-11-22 17:59:39,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:59:39,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:59:39,575 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:59:39,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:59:39,605 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:59:39,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39 WrapperNode [2024-11-22 17:59:39,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:59:39,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:59:39,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:59:39,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:59:39,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,633 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-22 17:59:39,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:59:39,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:59:39,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:59:39,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:59:39,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:59:39,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:59:39,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:59:39,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:59:39,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39" (1/1) ... [2024-11-22 17:59:39,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:59:39,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:59:39,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:59:39,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:59:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:59:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-22 17:59:39,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-22 17:59:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-22 17:59:39,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-22 17:59:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:59:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-22 17:59:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-22 17:59:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:59:39,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:59:39,737 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:59:39,829 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:59:39,831 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:59:39,977 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:59:39,977 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:59:40,051 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:59:40,051 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 17:59:40,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:59:40 BoogieIcfgContainer [2024-11-22 17:59:40,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:59:40,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:59:40,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:59:40,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:59:40,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:59:39" (1/3) ... [2024-11-22 17:59:40,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37287c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:59:40, skipping insertion in model container [2024-11-22 17:59:40,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:39" (2/3) ... [2024-11-22 17:59:40,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37287c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:59:40, skipping insertion in model container [2024-11-22 17:59:40,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:59:40" (3/3) ... [2024-11-22 17:59:40,060 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy8.wvr.c [2024-11-22 17:59:40,073 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:59:40,073 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-22 17:59:40,074 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:59:40,143 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-22 17:59:40,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 184 flow [2024-11-22 17:59:40,270 INFO L124 PetriNetUnfolderBase]: 2/83 cut-off events. [2024-11-22 17:59:40,271 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:59:40,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 83 events. 2/83 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 53 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2024-11-22 17:59:40,280 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 184 flow [2024-11-22 17:59:40,291 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 66 transitions, 144 flow [2024-11-22 17:59:40,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:59:40,321 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;@2d4ea1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:59:40,321 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-22 17:59:40,335 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:59:40,335 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-11-22 17:59:40,335 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:59:40,336 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:40,337 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:40,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-22 17:59:40,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:40,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1280629451, now seen corresponding path program 1 times [2024-11-22 17:59:40,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:40,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140310942] [2024-11-22 17:59:40,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:40,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:40,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:40,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:40,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140310942] [2024-11-22 17:59:40,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140310942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:40,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:40,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:40,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263596849] [2024-11-22 17:59:40,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:40,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:40,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:40,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:40,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:40,583 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 85 [2024-11-22 17:59:40,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 66 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:40,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:40,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 85 [2024-11-22 17:59:40,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:40,622 INFO L124 PetriNetUnfolderBase]: 3/84 cut-off events. [2024-11-22 17:59:40,623 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-22 17:59:40,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 84 events. 3/84 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 3 based on Foata normal form. 3/82 useless extension candidates. Maximal degree in co-relation 56. Up to 16 conditions per place. [2024-11-22 17:59:40,625 INFO L140 encePairwiseOnDemand]: 77/85 looper letters, 9 selfloop transitions, 2 changer transitions 0/60 dead transitions. [2024-11-22 17:59:40,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 60 transitions, 154 flow [2024-11-22 17:59:40,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:40,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 212 transitions. [2024-11-22 17:59:40,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8313725490196079 [2024-11-22 17:59:40,636 INFO L175 Difference]: Start difference. First operand has 72 places, 66 transitions, 144 flow. Second operand 3 states and 212 transitions. [2024-11-22 17:59:40,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 60 transitions, 154 flow [2024-11-22 17:59:40,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 60 transitions, 146 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-22 17:59:40,643 INFO L231 Difference]: Finished difference. Result has 65 places, 60 transitions, 128 flow [2024-11-22 17:59:40,645 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=65, PETRI_TRANSITIONS=60} [2024-11-22 17:59:40,647 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -7 predicate places. [2024-11-22 17:59:40,649 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 60 transitions, 128 flow [2024-11-22 17:59:40,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:40,650 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:40,650 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] [2024-11-22 17:59:40,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:59:40,650 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-22 17:59:40,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:40,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1893696135, now seen corresponding path program 1 times [2024-11-22 17:59:40,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:40,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26886368] [2024-11-22 17:59:40,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:40,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:40,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:40,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:40,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26886368] [2024-11-22 17:59:40,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26886368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:40,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:40,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:40,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368588304] [2024-11-22 17:59:40,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:40,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:40,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:40,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:40,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:40,741 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 85 [2024-11-22 17:59:40,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 60 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:40,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:40,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 85 [2024-11-22 17:59:40,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:40,774 INFO L124 PetriNetUnfolderBase]: 3/83 cut-off events. [2024-11-22 17:59:40,776 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:59:40,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 83 events. 3/83 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 87 event pairs, 3 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 83. Up to 17 conditions per place. [2024-11-22 17:59:40,777 INFO L140 encePairwiseOnDemand]: 82/85 looper letters, 10 selfloop transitions, 2 changer transitions 0/59 dead transitions. [2024-11-22 17:59:40,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 59 transitions, 150 flow [2024-11-22 17:59:40,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:40,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:40,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2024-11-22 17:59:40,781 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.803921568627451 [2024-11-22 17:59:40,782 INFO L175 Difference]: Start difference. First operand has 65 places, 60 transitions, 128 flow. Second operand 3 states and 205 transitions. [2024-11-22 17:59:40,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 59 transitions, 150 flow [2024-11-22 17:59:40,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 59 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:59:40,783 INFO L231 Difference]: Finished difference. Result has 64 places, 59 transitions, 126 flow [2024-11-22 17:59:40,784 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=126, PETRI_PLACES=64, PETRI_TRANSITIONS=59} [2024-11-22 17:59:40,785 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -8 predicate places. [2024-11-22 17:59:40,785 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 59 transitions, 126 flow [2024-11-22 17:59:40,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:40,786 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:40,786 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] [2024-11-22 17:59:40,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:59:40,786 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-22 17:59:40,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:40,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1027154565, now seen corresponding path program 1 times [2024-11-22 17:59:40,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:40,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378017111] [2024-11-22 17:59:40,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:40,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:40,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:40,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378017111] [2024-11-22 17:59:40,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378017111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:40,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:40,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:40,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783037757] [2024-11-22 17:59:40,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:40,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:40,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:40,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:40,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:40,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 85 [2024-11-22 17:59:40,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 59 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:40,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:40,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 85 [2024-11-22 17:59:40,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:40,903 INFO L124 PetriNetUnfolderBase]: 3/82 cut-off events. [2024-11-22 17:59:40,903 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:59:40,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 82 events. 3/82 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 87 event pairs, 3 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 70. Up to 14 conditions per place. [2024-11-22 17:59:40,904 INFO L140 encePairwiseOnDemand]: 83/85 looper letters, 0 selfloop transitions, 0 changer transitions 58/58 dead transitions. [2024-11-22 17:59:40,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 58 transitions, 140 flow [2024-11-22 17:59:40,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:40,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:40,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 213 transitions. [2024-11-22 17:59:40,905 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8352941176470589 [2024-11-22 17:59:40,905 INFO L175 Difference]: Start difference. First operand has 64 places, 59 transitions, 126 flow. Second operand 3 states and 213 transitions. [2024-11-22 17:59:40,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 58 transitions, 140 flow [2024-11-22 17:59:40,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 58 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:59:40,906 INFO L231 Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow [2024-11-22 17:59:40,906 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0} [2024-11-22 17:59:40,907 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -9 predicate places. [2024-11-22 17:59:40,907 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 0 transitions, 0 flow [2024-11-22 17:59:40,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:40,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-11-22 17:59:40,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-22 17:59:40,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-11-22 17:59:40,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-22 17:59:40,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-11-22 17:59:40,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-11-22 17:59:40,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-11-22 17:59:40,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 13 remaining) [2024-11-22 17:59:40,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining) [2024-11-22 17:59:40,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-22 17:59:40,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-22 17:59:40,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-11-22 17:59:40,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-22 17:59:40,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:59:40,912 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-22 17:59:40,917 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:59:40,917 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:59:40,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:59:40 BasicIcfg [2024-11-22 17:59:40,922 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:59:40,922 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:59:40,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:59:40,922 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:59:40,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:59:40" (3/4) ... [2024-11-22 17:59:40,924 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:59:40,926 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-22 17:59:40,926 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-22 17:59:40,929 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-22 17:59:40,930 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 17:59:40,930 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:59:40,930 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:59:40,997 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:59:40,997 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:59:40,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:59:40,998 INFO L158 Benchmark]: Toolchain (without parser) took 1632.80ms. Allocated memory is still 190.8MB. Free memory was 120.9MB in the beginning and 85.1MB in the end (delta: 35.7MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2024-11-22 17:59:40,998 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:59:40,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.33ms. Allocated memory is still 190.8MB. Free memory was 120.7MB in the beginning and 108.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 17:59:40,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.24ms. Allocated memory is still 190.8MB. Free memory was 108.0MB in the beginning and 106.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:59:40,999 INFO L158 Benchmark]: Boogie Preprocessor took 26.07ms. Allocated memory is still 190.8MB. Free memory was 106.4MB in the beginning and 105.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:59:40,999 INFO L158 Benchmark]: RCFGBuilder took 390.64ms. Allocated memory is still 190.8MB. Free memory was 105.2MB in the beginning and 149.4MB in the end (delta: -44.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-22 17:59:40,999 INFO L158 Benchmark]: TraceAbstraction took 868.55ms. Allocated memory is still 190.8MB. Free memory was 148.7MB in the beginning and 90.0MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-22 17:59:40,999 INFO L158 Benchmark]: Witness Printer took 75.28ms. Allocated memory is still 190.8MB. Free memory was 90.0MB in the beginning and 85.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:59:41,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.33ms. Allocated memory is still 190.8MB. Free memory was 120.7MB in the beginning and 108.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.24ms. Allocated memory is still 190.8MB. Free memory was 108.0MB in the beginning and 106.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.07ms. Allocated memory is still 190.8MB. Free memory was 106.4MB in the beginning and 105.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 390.64ms. Allocated memory is still 190.8MB. Free memory was 105.2MB in the beginning and 149.4MB in the end (delta: -44.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * TraceAbstraction took 868.55ms. Allocated memory is still 190.8MB. Free memory was 148.7MB in the beginning and 90.0MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 75.28ms. Allocated memory is still 190.8MB. Free memory was 90.0MB in the beginning and 85.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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 5 procedures, 107 locations, 13 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: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3 mSDtfsCounter, 68 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=144occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:59:41,017 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