./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d 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/weaver/popl20-nonblocking-cntr.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 fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 07:02:33,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:02:33,872 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 07:02:33,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:02:33,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:02:33,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:02:33,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:02:33,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:02:33,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:02:33,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:02:33,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 07:02:33,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 07:02:33,921 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 07:02:33,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:02:33,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:02:33,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:02:33,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:02:33,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:02:33,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:02:33,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:02:33,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:02:33,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:02:33,927 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 07:02:33,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:02:33,928 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:02:33,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:02:33,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:02:33,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:02:33,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:02:33,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:02:33,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:02:33,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:02:33,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:02:33,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:02:33,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:02:33,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 07:02:33,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:02:33,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:02:33,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 07:02:33,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 07:02:33,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:02:33,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea [2024-11-09 07:02:34,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:02:34,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:02:34,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:02:34,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:02:34,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:02:34,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2024-11-09 07:02:35,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:02:35,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:02:35,955 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2024-11-09 07:02:35,962 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/751392a1f/3cac984b016c40aa8e30d10a63dd8ae5/FLAG299f1a705 [2024-11-09 07:02:36,354 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/751392a1f/3cac984b016c40aa8e30d10a63dd8ae5 [2024-11-09 07:02:36,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:02:36,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:02:36,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:02:36,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:02:36,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:02:36,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@293a2ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36, skipping insertion in model container [2024-11-09 07:02:36,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:02:36,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:02:36,598 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:02:36,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:02:36,631 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:02:36,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36 WrapperNode [2024-11-09 07:02:36,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:02:36,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:02:36,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:02:36,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:02:36,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,671 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2024-11-09 07:02:36,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:02:36,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:02:36,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:02:36,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:02:36,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:02:36,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:02:36,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:02:36,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:02:36,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36" (1/1) ... [2024-11-09 07:02:36,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:02:36,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 07:02:36,739 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) [2024-11-09 07:02:36,742 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 [2024-11-09 07:02:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:02:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 07:02:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 07:02:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 07:02:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 07:02:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:02:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 07:02:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 07:02:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:02:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:02:36,781 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 07:02:36,861 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:02:36,863 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:02:37,086 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 07:02:37,087 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:02:37,166 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:02:37,167 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 07:02:37,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:37 BoogieIcfgContainer [2024-11-09 07:02:37,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:02:37,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:02:37,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:02:37,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:02:37,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:02:36" (1/3) ... [2024-11-09 07:02:37,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7def15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:02:37, skipping insertion in model container [2024-11-09 07:02:37,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:36" (2/3) ... [2024-11-09 07:02:37,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7def15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:02:37, skipping insertion in model container [2024-11-09 07:02:37,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:37" (3/3) ... [2024-11-09 07:02:37,174 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr.wvr.c [2024-11-09 07:02:37,186 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:02:37,186 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-09 07:02:37,186 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 07:02:37,243 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 07:02:37,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 98 transitions, 210 flow [2024-11-09 07:02:37,339 INFO L124 PetriNetUnfolderBase]: 6/96 cut-off events. [2024-11-09 07:02:37,339 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 07:02:37,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 96 events. 6/96 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 96 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2024-11-09 07:02:37,346 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 98 transitions, 210 flow [2024-11-09 07:02:37,352 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 79 transitions, 170 flow [2024-11-09 07:02:37,364 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:02:37,373 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;@561d6bf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:02:37,374 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2024-11-09 07:02:37,387 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 07:02:37,388 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-11-09 07:02:37,388 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 07:02:37,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:37,389 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:37,389 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2024-11-09 07:02:37,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:37,397 INFO L85 PathProgramCache]: Analyzing trace with hash 880374521, now seen corresponding path program 1 times [2024-11-09 07:02:37,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:37,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725441045] [2024-11-09 07:02:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:37,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:37,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:02:37,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:37,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725441045] [2024-11-09 07:02:37,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725441045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:37,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:37,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:37,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485849339] [2024-11-09 07:02:37,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:37,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:37,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:37,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:37,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:37,650 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 98 [2024-11-09 07:02:37,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 79 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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) [2024-11-09 07:02:37,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:37,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 98 [2024-11-09 07:02:37,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:37,701 INFO L124 PetriNetUnfolderBase]: 15/111 cut-off events. [2024-11-09 07:02:37,701 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-09 07:02:37,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 111 events. 15/111 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 219 event pairs, 7 based on Foata normal form. 1/100 useless extension candidates. Maximal degree in co-relation 95. Up to 34 conditions per place. [2024-11-09 07:02:37,705 INFO L140 encePairwiseOnDemand]: 87/98 looper letters, 12 selfloop transitions, 2 changer transitions 1/70 dead transitions. [2024-11-09 07:02:37,705 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 70 transitions, 180 flow [2024-11-09 07:02:37,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:37,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:37,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2024-11-09 07:02:37,723 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8129251700680272 [2024-11-09 07:02:37,725 INFO L175 Difference]: Start difference. First operand has 81 places, 79 transitions, 170 flow. Second operand 3 states and 239 transitions. [2024-11-09 07:02:37,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 70 transitions, 180 flow [2024-11-09 07:02:37,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 70 transitions, 172 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-09 07:02:37,734 INFO L231 Difference]: Finished difference. Result has 73 places, 69 transitions, 146 flow [2024-11-09 07:02:37,738 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=73, PETRI_TRANSITIONS=69} [2024-11-09 07:02:37,744 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, -8 predicate places. [2024-11-09 07:02:37,744 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 69 transitions, 146 flow [2024-11-09 07:02:37,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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) [2024-11-09 07:02:37,745 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:37,745 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] [2024-11-09 07:02:37,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:02:37,746 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2024-11-09 07:02:37,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:37,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1533246261, now seen corresponding path program 1 times [2024-11-09 07:02:37,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:37,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866489913] [2024-11-09 07:02:37,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:37,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:02:37,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:37,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866489913] [2024-11-09 07:02:37,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866489913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:37,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:37,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:37,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129321066] [2024-11-09 07:02:37,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:37,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:37,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:37,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:37,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:37,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 98 [2024-11-09 07:02:37,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 69 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) [2024-11-09 07:02:37,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:37,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 98 [2024-11-09 07:02:37,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:37,905 INFO L124 PetriNetUnfolderBase]: 24/135 cut-off events. [2024-11-09 07:02:37,905 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-09 07:02:37,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 135 events. 24/135 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 350 event pairs, 14 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 169. Up to 49 conditions per place. [2024-11-09 07:02:37,908 INFO L140 encePairwiseOnDemand]: 94/98 looper letters, 12 selfloop transitions, 1 changer transitions 0/66 dead transitions. [2024-11-09 07:02:37,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 66 transitions, 166 flow [2024-11-09 07:02:37,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:37,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:37,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2024-11-09 07:02:37,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7891156462585034 [2024-11-09 07:02:37,915 INFO L175 Difference]: Start difference. First operand has 73 places, 69 transitions, 146 flow. Second operand 3 states and 232 transitions. [2024-11-09 07:02:37,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 66 transitions, 166 flow [2024-11-09 07:02:37,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 66 transitions, 162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:02:37,917 INFO L231 Difference]: Finished difference. Result has 69 places, 66 transitions, 138 flow [2024-11-09 07:02:37,917 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=69, PETRI_TRANSITIONS=66} [2024-11-09 07:02:37,918 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, -12 predicate places. [2024-11-09 07:02:37,918 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 66 transitions, 138 flow [2024-11-09 07:02:37,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) [2024-11-09 07:02:37,919 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:37,919 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] [2024-11-09 07:02:37,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:02:37,920 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2024-11-09 07:02:37,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:37,922 INFO L85 PathProgramCache]: Analyzing trace with hash -641907960, now seen corresponding path program 1 times [2024-11-09 07:02:37,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:37,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51925803] [2024-11-09 07:02:37,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:37,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:02:38,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:38,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51925803] [2024-11-09 07:02:38,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51925803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:38,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:38,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:38,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023592637] [2024-11-09 07:02:38,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:38,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:38,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:38,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:38,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:38,058 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 98 [2024-11-09 07:02:38,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 66 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2024-11-09 07:02:38,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:38,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 98 [2024-11-09 07:02:38,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:38,096 INFO L124 PetriNetUnfolderBase]: 6/87 cut-off events. [2024-11-09 07:02:38,096 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 07:02:38,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 87 events. 6/87 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 109 event pairs, 1 based on Foata normal form. 1/84 useless extension candidates. Maximal degree in co-relation 82. Up to 13 conditions per place. [2024-11-09 07:02:38,099 INFO L140 encePairwiseOnDemand]: 96/98 looper letters, 0 selfloop transitions, 0 changer transitions 65/65 dead transitions. [2024-11-09 07:02:38,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 65 transitions, 150 flow [2024-11-09 07:02:38,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:38,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:38,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2024-11-09 07:02:38,101 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2024-11-09 07:02:38,101 INFO L175 Difference]: Start difference. First operand has 69 places, 66 transitions, 138 flow. Second operand 3 states and 245 transitions. [2024-11-09 07:02:38,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 65 transitions, 150 flow [2024-11-09 07:02:38,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 65 transitions, 149 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:02:38,103 INFO L231 Difference]: Finished difference. Result has 69 places, 0 transitions, 0 flow [2024-11-09 07:02:38,103 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=69, PETRI_TRANSITIONS=0} [2024-11-09 07:02:38,107 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, -12 predicate places. [2024-11-09 07:02:38,107 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 0 transitions, 0 flow [2024-11-09 07:02:38,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2024-11-09 07:02:38,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (18 of 19 remaining) [2024-11-09 07:02:38,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 19 remaining) [2024-11-09 07:02:38,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (16 of 19 remaining) [2024-11-09 07:02:38,112 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 19 remaining) [2024-11-09 07:02:38,112 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 19 remaining) [2024-11-09 07:02:38,112 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 19 remaining) [2024-11-09 07:02:38,112 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 19 remaining) [2024-11-09 07:02:38,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 19 remaining) [2024-11-09 07:02:38,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 19 remaining) [2024-11-09 07:02:38,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 19 remaining) [2024-11-09 07:02:38,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 19 remaining) [2024-11-09 07:02:38,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 19 remaining) [2024-11-09 07:02:38,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 19 remaining) [2024-11-09 07:02:38,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (5 of 19 remaining) [2024-11-09 07:02:38,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (4 of 19 remaining) [2024-11-09 07:02:38,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 19 remaining) [2024-11-09 07:02:38,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 19 remaining) [2024-11-09 07:02:38,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 19 remaining) [2024-11-09 07:02:38,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 19 remaining) [2024-11-09 07:02:38,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:02:38,117 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 07:02:38,125 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 07:02:38,125 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:02:38,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:02:38 BasicIcfg [2024-11-09 07:02:38,132 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:02:38,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:02:38,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:02:38,133 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:02:38,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:37" (3/4) ... [2024-11-09 07:02:38,135 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 07:02:38,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 07:02:38,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 07:02:38,142 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-09 07:02:38,143 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 07:02:38,143 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 07:02:38,143 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 07:02:38,238 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 07:02:38,238 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 07:02:38,238 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:02:38,239 INFO L158 Benchmark]: Toolchain (without parser) took 1880.85ms. Allocated memory is still 201.3MB. Free memory was 134.4MB in the beginning and 99.7MB in the end (delta: 34.7MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2024-11-09 07:02:38,239 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:02:38,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.27ms. Allocated memory is still 201.3MB. Free memory was 134.1MB in the beginning and 121.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 07:02:38,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.73ms. Allocated memory is still 201.3MB. Free memory was 121.3MB in the beginning and 119.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:02:38,241 INFO L158 Benchmark]: Boogie Preprocessor took 27.73ms. Allocated memory is still 201.3MB. Free memory was 119.7MB in the beginning and 118.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:02:38,241 INFO L158 Benchmark]: RCFGBuilder took 466.45ms. Allocated memory is still 201.3MB. Free memory was 118.5MB in the beginning and 165.5MB in the end (delta: -47.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 07:02:38,242 INFO L158 Benchmark]: TraceAbstraction took 963.13ms. Allocated memory is still 201.3MB. Free memory was 164.7MB in the beginning and 103.9MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-09 07:02:38,242 INFO L158 Benchmark]: Witness Printer took 105.80ms. Allocated memory is still 201.3MB. Free memory was 103.9MB in the beginning and 99.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:02:38,244 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.27ms. Allocated memory is still 201.3MB. Free memory was 134.1MB in the beginning and 121.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.73ms. Allocated memory is still 201.3MB. Free memory was 121.3MB in the beginning and 119.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.73ms. Allocated memory is still 201.3MB. Free memory was 119.7MB in the beginning and 118.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 466.45ms. Allocated memory is still 201.3MB. Free memory was 118.5MB in the beginning and 165.5MB in the end (delta: -47.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 963.13ms. Allocated memory is still 201.3MB. Free memory was 164.7MB in the beginning and 103.9MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 105.80ms. Allocated memory is still 201.3MB. Free memory was 103.9MB in the beginning and 99.7MB 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: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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, 124 locations, 19 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: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 4 mSDtfsCounter, 60 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=170occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 07:02:38,280 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