./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f 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-alt.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 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:39:57,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:39:57,811 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:39:57,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:39:57,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:39:57,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:39:57,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:39:57,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:39:57,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:39:57,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:39:57,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:39:57,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:39:57,852 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:39:57,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:39:57,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:39:57,853 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:39:57,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:39:57,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:39:57,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:39:57,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:39:57,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:39:57,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:39:57,857 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:39:57,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:39:57,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:39:57,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:39:57,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:39:57,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:39:57,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:39:57,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:39:57,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:39:57,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:39:57,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:39:57,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:39:57,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:39:57,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:39:57,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:39:57,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:39:57,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:39:57,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:39:57,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:39:57,863 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2024-11-12 12:39:58,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:39:58,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:39:58,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:39:58,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:39:58,150 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:39:58,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2024-11-12 12:39:59,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:39:59,776 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:39:59,776 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2024-11-12 12:39:59,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba618eea8/9e656286cfe547588917fc4e93c35715/FLAG219a2221e [2024-11-12 12:40:00,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba618eea8/9e656286cfe547588917fc4e93c35715 [2024-11-12 12:40:00,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:40:00,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:40:00,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:40:00,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:40:00,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:40:00,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c80bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00, skipping insertion in model container [2024-11-12 12:40:00,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:40:00,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:40:00,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:40:00,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:40:00,520 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:40:00,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00 WrapperNode [2024-11-12 12:40:00,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:40:00,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:40:00,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:40:00,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:40:00,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,556 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-11-12 12:40:00,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:40:00,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:40:00,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:40:00,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:40:00,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:40:00,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:40:00,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:40:00,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:40:00,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00" (1/1) ... [2024-11-12 12:40:00,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:40:00,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:40:00,627 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) [2024-11-12 12:40:00,635 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 [2024-11-12 12:40:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:40:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-12 12:40:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-12 12:40:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-12 12:40:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-12 12:40:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:40:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 12:40:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 12:40:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:40:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:40:00,684 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:40:00,788 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:40:00,790 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:40:00,983 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:40:00,984 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:40:01,052 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:40:01,053 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 12:40:01,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:40:01 BoogieIcfgContainer [2024-11-12 12:40:01,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:40:01,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:40:01,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:40:01,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:40:01,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:40:00" (1/3) ... [2024-11-12 12:40:01,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aec4bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:40:01, skipping insertion in model container [2024-11-12 12:40:01,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:00" (2/3) ... [2024-11-12 12:40:01,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aec4bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:40:01, skipping insertion in model container [2024-11-12 12:40:01,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:40:01" (3/3) ... [2024-11-12 12:40:01,062 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c [2024-11-12 12:40:01,078 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:40:01,079 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-12 12:40:01,080 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:40:01,163 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 12:40:01,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 122 transitions, 258 flow [2024-11-12 12:40:01,257 INFO L124 PetriNetUnfolderBase]: 7/120 cut-off events. [2024-11-12 12:40:01,258 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:40:01,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 120 events. 7/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 99 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2024-11-12 12:40:01,263 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 122 transitions, 258 flow [2024-11-12 12:40:01,267 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 103 transitions, 218 flow [2024-11-12 12:40:01,275 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:40:01,281 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;@d98b9f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:40:01,281 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-11-12 12:40:01,287 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:40:01,288 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-11-12 12:40:01,288 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:40:01,288 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:01,290 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:01,290 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-12 12:40:01,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:01,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1052534569, now seen corresponding path program 1 times [2024-11-12 12:40:01,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:01,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852338277] [2024-11-12 12:40:01,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:01,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:01,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:01,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:01,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852338277] [2024-11-12 12:40:01,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852338277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:01,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:01,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:01,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969099015] [2024-11-12 12:40:01,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:01,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:01,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:01,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:01,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:01,551 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 122 [2024-11-12 12:40:01,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 103 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2024-11-12 12:40:01,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:01,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 122 [2024-11-12 12:40:01,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:01,626 INFO L124 PetriNetUnfolderBase]: 13/136 cut-off events. [2024-11-12 12:40:01,627 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-12 12:40:01,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 136 events. 13/136 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 228 event pairs, 4 based on Foata normal form. 8/124 useless extension candidates. Maximal degree in co-relation 84. Up to 28 conditions per place. [2024-11-12 12:40:01,631 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 12 selfloop transitions, 2 changer transitions 1/94 dead transitions. [2024-11-12 12:40:01,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 94 transitions, 228 flow [2024-11-12 12:40:01,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2024-11-12 12:40:01,647 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8497267759562842 [2024-11-12 12:40:01,649 INFO L175 Difference]: Start difference. First operand has 104 places, 103 transitions, 218 flow. Second operand 3 states and 311 transitions. [2024-11-12 12:40:01,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 94 transitions, 228 flow [2024-11-12 12:40:01,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 94 transitions, 220 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-12 12:40:01,659 INFO L231 Difference]: Finished difference. Result has 96 places, 93 transitions, 194 flow [2024-11-12 12:40:01,662 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=96, PETRI_TRANSITIONS=93} [2024-11-12 12:40:01,666 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -8 predicate places. [2024-11-12 12:40:01,666 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 194 flow [2024-11-12 12:40:01,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2024-11-12 12:40:01,667 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:01,667 INFO L206 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] [2024-11-12 12:40:01,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:40:01,667 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-12 12:40:01,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:01,668 INFO L85 PathProgramCache]: Analyzing trace with hash -675937074, now seen corresponding path program 1 times [2024-11-12 12:40:01,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:01,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14089134] [2024-11-12 12:40:01,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:01,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:01,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:01,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14089134] [2024-11-12 12:40:01,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14089134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:01,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:01,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:01,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366189766] [2024-11-12 12:40:01,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:01,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:01,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:01,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:01,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:01,769 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 122 [2024-11-12 12:40:01,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 93 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2024-11-12 12:40:01,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:01,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 122 [2024-11-12 12:40:01,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:01,809 INFO L124 PetriNetUnfolderBase]: 14/130 cut-off events. [2024-11-12 12:40:01,809 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-12 12:40:01,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 130 events. 14/130 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 205 event pairs, 3 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 141. Up to 29 conditions per place. [2024-11-12 12:40:01,811 INFO L140 encePairwiseOnDemand]: 119/122 looper letters, 12 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2024-11-12 12:40:01,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 92 transitions, 220 flow [2024-11-12 12:40:01,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2024-11-12 12:40:01,815 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8278688524590164 [2024-11-12 12:40:01,815 INFO L175 Difference]: Start difference. First operand has 96 places, 93 transitions, 194 flow. Second operand 3 states and 303 transitions. [2024-11-12 12:40:01,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 92 transitions, 220 flow [2024-11-12 12:40:01,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 216 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:01,821 INFO L231 Difference]: Finished difference. Result has 94 places, 92 transitions, 192 flow [2024-11-12 12:40:01,821 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=94, PETRI_TRANSITIONS=92} [2024-11-12 12:40:01,822 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -10 predicate places. [2024-11-12 12:40:01,823 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 192 flow [2024-11-12 12:40:01,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2024-11-12 12:40:01,823 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:01,824 INFO L206 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] [2024-11-12 12:40:01,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:40:01,825 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-12 12:40:01,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:01,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1358247994, now seen corresponding path program 1 times [2024-11-12 12:40:01,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:01,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499800592] [2024-11-12 12:40:01,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:01,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:01,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:01,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:01,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499800592] [2024-11-12 12:40:01,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499800592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:01,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:01,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:01,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432414702] [2024-11-12 12:40:01,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:01,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:01,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:01,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:01,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:01,916 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 122 [2024-11-12 12:40:01,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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) [2024-11-12 12:40:01,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:01,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 122 [2024-11-12 12:40:01,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:01,990 INFO L124 PetriNetUnfolderBase]: 16/132 cut-off events. [2024-11-12 12:40:01,991 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:40:01,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 132 events. 16/132 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 248 event pairs, 6 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 140. Up to 32 conditions per place. [2024-11-12 12:40:01,992 INFO L140 encePairwiseOnDemand]: 118/122 looper letters, 12 selfloop transitions, 1 changer transitions 0/89 dead transitions. [2024-11-12 12:40:01,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 89 transitions, 212 flow [2024-11-12 12:40:01,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:01,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions. [2024-11-12 12:40:01,994 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8306010928961749 [2024-11-12 12:40:01,994 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 192 flow. Second operand 3 states and 304 transitions. [2024-11-12 12:40:01,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 89 transitions, 212 flow [2024-11-12 12:40:01,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 89 transitions, 208 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:01,997 INFO L231 Difference]: Finished difference. Result has 91 places, 89 transitions, 184 flow [2024-11-12 12:40:01,997 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=91, PETRI_TRANSITIONS=89} [2024-11-12 12:40:01,998 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -13 predicate places. [2024-11-12 12:40:01,998 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 89 transitions, 184 flow [2024-11-12 12:40:01,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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) [2024-11-12 12:40:01,998 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:01,998 INFO L206 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] [2024-11-12 12:40:01,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:40:01,999 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-12 12:40:01,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:02,000 INFO L85 PathProgramCache]: Analyzing trace with hash -412706481, now seen corresponding path program 1 times [2024-11-12 12:40:02,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:02,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92234821] [2024-11-12 12:40:02,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:02,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:02,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:02,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:02,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92234821] [2024-11-12 12:40:02,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92234821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:02,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:02,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:02,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415606790] [2024-11-12 12:40:02,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:02,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:02,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:02,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:02,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:02,106 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 122 [2024-11-12 12:40:02,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 89 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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) [2024-11-12 12:40:02,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:02,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 122 [2024-11-12 12:40:02,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:02,142 INFO L124 PetriNetUnfolderBase]: 24/178 cut-off events. [2024-11-12 12:40:02,143 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-11-12 12:40:02,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 178 events. 24/178 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 456 event pairs, 2 based on Foata normal form. 1/167 useless extension candidates. Maximal degree in co-relation 198. Up to 36 conditions per place. [2024-11-12 12:40:02,144 INFO L140 encePairwiseOnDemand]: 117/122 looper letters, 14 selfloop transitions, 2 changer transitions 4/91 dead transitions. [2024-11-12 12:40:02,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 91 transitions, 225 flow [2024-11-12 12:40:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:02,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:02,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2024-11-12 12:40:02,145 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8415300546448088 [2024-11-12 12:40:02,146 INFO L175 Difference]: Start difference. First operand has 91 places, 89 transitions, 184 flow. Second operand 3 states and 308 transitions. [2024-11-12 12:40:02,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 91 transitions, 225 flow [2024-11-12 12:40:02,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 91 transitions, 224 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:40:02,148 INFO L231 Difference]: Finished difference. Result has 90 places, 83 transitions, 179 flow [2024-11-12 12:40:02,148 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=179, PETRI_PLACES=90, PETRI_TRANSITIONS=83} [2024-11-12 12:40:02,148 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -14 predicate places. [2024-11-12 12:40:02,149 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 83 transitions, 179 flow [2024-11-12 12:40:02,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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) [2024-11-12 12:40:02,149 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:02,149 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:02,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:40:02,149 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-11-12 12:40:02,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:02,150 INFO L85 PathProgramCache]: Analyzing trace with hash -308138960, now seen corresponding path program 1 times [2024-11-12 12:40:02,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:02,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175226785] [2024-11-12 12:40:02,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:02,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:02,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:02,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175226785] [2024-11-12 12:40:02,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175226785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:02,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:02,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:02,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175712647] [2024-11-12 12:40:02,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:02,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:02,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:02,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:02,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:02,243 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 122 [2024-11-12 12:40:02,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 83 transitions, 179 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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) [2024-11-12 12:40:02,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:02,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 122 [2024-11-12 12:40:02,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:02,292 INFO L124 PetriNetUnfolderBase]: 15/164 cut-off events. [2024-11-12 12:40:02,294 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-12 12:40:02,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 164 events. 15/164 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 396 event pairs, 2 based on Foata normal form. 1/156 useless extension candidates. Maximal degree in co-relation 173. Up to 26 conditions per place. [2024-11-12 12:40:02,296 INFO L140 encePairwiseOnDemand]: 120/122 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions. [2024-11-12 12:40:02,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 82 transitions, 191 flow [2024-11-12 12:40:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:02,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:02,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2024-11-12 12:40:02,298 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8661202185792349 [2024-11-12 12:40:02,298 INFO L175 Difference]: Start difference. First operand has 90 places, 83 transitions, 179 flow. Second operand 3 states and 317 transitions. [2024-11-12 12:40:02,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 82 transitions, 191 flow [2024-11-12 12:40:02,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 82 transitions, 191 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:40:02,299 INFO L231 Difference]: Finished difference. Result has 87 places, 0 transitions, 0 flow [2024-11-12 12:40:02,299 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=87, PETRI_TRANSITIONS=0} [2024-11-12 12:40:02,300 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -17 predicate places. [2024-11-12 12:40:02,303 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 0 transitions, 0 flow [2024-11-12 12:40:02,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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) [2024-11-12 12:40:02,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 23 remaining) [2024-11-12 12:40:02,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2024-11-12 12:40:02,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2024-11-12 12:40:02,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2024-11-12 12:40:02,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2024-11-12 12:40:02,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2024-11-12 12:40:02,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2024-11-12 12:40:02,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2024-11-12 12:40:02,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2024-11-12 12:40:02,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2024-11-12 12:40:02,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2024-11-12 12:40:02,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2024-11-12 12:40:02,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 23 remaining) [2024-11-12 12:40:02,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 23 remaining) [2024-11-12 12:40:02,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 23 remaining) [2024-11-12 12:40:02,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 23 remaining) [2024-11-12 12:40:02,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2024-11-12 12:40:02,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2024-11-12 12:40:02,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2024-11-12 12:40:02,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2024-11-12 12:40:02,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2024-11-12 12:40:02,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2024-11-12 12:40:02,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2024-11-12 12:40:02,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:40:02,316 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-12 12:40:02,324 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:40:02,324 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:40:02,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:40:02 BasicIcfg [2024-11-12 12:40:02,331 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:40:02,331 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:40:02,331 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:40:02,331 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:40:02,332 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:40:01" (3/4) ... [2024-11-12 12:40:02,334 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:40:02,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-12 12:40:02,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-12 12:40:02,343 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-12 12:40:02,343 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 12:40:02,344 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:40:02,344 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:40:02,430 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:40:02,430 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:40:02,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:40:02,431 INFO L158 Benchmark]: Toolchain (without parser) took 2261.73ms. Allocated memory is still 172.0MB. Free memory was 114.3MB in the beginning and 101.2MB in the end (delta: 13.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-12 12:40:02,431 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:40:02,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.04ms. Allocated memory is still 172.0MB. Free memory was 114.3MB in the beginning and 145.0MB in the end (delta: -30.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 12:40:02,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.20ms. Allocated memory is still 172.0MB. Free memory was 144.2MB in the beginning and 142.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:40:02,432 INFO L158 Benchmark]: Boogie Preprocessor took 29.01ms. Allocated memory is still 172.0MB. Free memory was 142.9MB in the beginning and 142.1MB in the end (delta: 815.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:40:02,432 INFO L158 Benchmark]: RCFGBuilder took 466.72ms. Allocated memory is still 172.0MB. Free memory was 141.7MB in the beginning and 121.2MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 12:40:02,432 INFO L158 Benchmark]: TraceAbstraction took 1275.57ms. Allocated memory is still 172.0MB. Free memory was 120.7MB in the beginning and 106.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-12 12:40:02,433 INFO L158 Benchmark]: Witness Printer took 99.02ms. Allocated memory is still 172.0MB. Free memory was 106.5MB in the beginning and 101.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 12:40:02,438 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.04ms. Allocated memory is still 172.0MB. Free memory was 114.3MB in the beginning and 145.0MB in the end (delta: -30.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.20ms. Allocated memory is still 172.0MB. Free memory was 144.2MB in the beginning and 142.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.01ms. Allocated memory is still 172.0MB. Free memory was 142.9MB in the beginning and 142.1MB in the end (delta: 815.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 466.72ms. Allocated memory is still 172.0MB. Free memory was 141.7MB in the beginning and 121.2MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1275.57ms. Allocated memory is still 172.0MB. Free memory was 120.7MB in the beginning and 106.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Witness Printer took 99.02ms. Allocated memory is still 172.0MB. Free memory was 106.5MB in the beginning and 101.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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, 147 locations, 23 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 18 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0.3s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 12:40:02,466 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