./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc 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/parallel-misc-2-unrolled.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 4b21640b39ce7bcc8ee8415d7ec787ca73953d49130bebf43478653d490e2460 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:58:39,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:58:39,655 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:58:39,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:58:39,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:58:39,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:58:39,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:58:39,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:58:39,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:58:39,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:58:39,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:58:39,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:58:39,687 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:58:39,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:58:39,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:58:39,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:58:39,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:58:39,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:58:39,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:58:39,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:58:39,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:58:39,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:58:39,695 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:58:39,695 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:58:39,695 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:58:39,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:58:39,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:58:39,696 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:58:39,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:58:39,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:58:39,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:58:39,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:58:39,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:58:39,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:58:39,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:58:39,699 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:58:39,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:58:39,700 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:58:39,700 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:58:39,700 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:58:39,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:58:39,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b21640b39ce7bcc8ee8415d7ec787ca73953d49130bebf43478653d490e2460 [2024-11-19 05:58:39,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:58:39,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:58:39,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:58:39,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:58:39,992 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:58:39,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2024-11-19 05:58:41,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:58:41,672 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:58:41,672 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2024-11-19 05:58:41,679 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ddc0fb2f/54b49102e87440338c61c3de65eb424e/FLAG8cd9c5829 [2024-11-19 05:58:41,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ddc0fb2f/54b49102e87440338c61c3de65eb424e [2024-11-19 05:58:41,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:58:41,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:58:41,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:58:41,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:58:41,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:58:41,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:41,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@705b7033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41, skipping insertion in model container [2024-11-19 05:58:41,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:41,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:58:41,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:58:41,945 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:58:41,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:58:41,983 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:58:41,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41 WrapperNode [2024-11-19 05:58:41,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:58:41,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:58:41,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:58:41,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:58:41,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:42,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:42,015 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-19 05:58:42,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:58:42,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:58:42,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:58:42,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:58:42,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:42,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:42,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:42,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:42,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:42,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:42,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:42,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:42,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:58:42,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:58:42,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:58:42,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:58:42,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41" (1/1) ... [2024-11-19 05:58:42,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:58:42,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:58:42,145 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) [2024-11-19 05:58:42,148 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 [2024-11-19 05:58:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:58:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 05:58:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 05:58:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 05:58:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 05:58:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:58:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:58:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:58:42,194 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:58:42,285 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:58:42,288 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:58:42,579 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:58:42,580 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:58:42,617 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:58:42,618 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 05:58:42,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:58:42 BoogieIcfgContainer [2024-11-19 05:58:42,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:58:42,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:58:42,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:58:42,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:58:42,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:58:41" (1/3) ... [2024-11-19 05:58:42,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5c2617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:58:42, skipping insertion in model container [2024-11-19 05:58:42,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:41" (2/3) ... [2024-11-19 05:58:42,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5c2617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:58:42, skipping insertion in model container [2024-11-19 05:58:42,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:58:42" (3/3) ... [2024-11-19 05:58:42,630 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled.wvr.c [2024-11-19 05:58:42,650 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:58:42,651 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-11-19 05:58:42,652 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:58:42,761 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 05:58:42,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 166 places, 166 transitions, 346 flow [2024-11-19 05:58:42,875 INFO L124 PetriNetUnfolderBase]: 7/164 cut-off events. [2024-11-19 05:58:42,876 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:58:42,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 164 events. 7/164 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 242 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2024-11-19 05:58:42,885 INFO L82 GeneralOperation]: Start removeDead. Operand has 166 places, 166 transitions, 346 flow [2024-11-19 05:58:42,890 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 147 transitions, 303 flow [2024-11-19 05:58:42,899 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:58:42,907 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;@5d55a913, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:58:42,908 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-11-19 05:58:42,917 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:58:42,917 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-19 05:58:42,917 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:58:42,918 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:42,918 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] [2024-11-19 05:58:42,919 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:58:42,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:42,925 INFO L85 PathProgramCache]: Analyzing trace with hash 215205372, now seen corresponding path program 1 times [2024-11-19 05:58:42,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:42,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105582248] [2024-11-19 05:58:42,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:42,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:43,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:43,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:43,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105582248] [2024-11-19 05:58:43,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105582248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:43,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:43,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:43,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876936190] [2024-11-19 05:58:43,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:43,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:43,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:43,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:43,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:43,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 166 [2024-11-19 05:58:43,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 147 transitions, 303 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-11-19 05:58:43,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:43,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 166 [2024-11-19 05:58:43,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:43,315 INFO L124 PetriNetUnfolderBase]: 11/187 cut-off events. [2024-11-19 05:58:43,315 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-19 05:58:43,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 187 events. 11/187 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 429 event pairs, 7 based on Foata normal form. 10/169 useless extension candidates. Maximal degree in co-relation 163. Up to 30 conditions per place. [2024-11-19 05:58:43,322 INFO L140 encePairwiseOnDemand]: 160/166 looper letters, 14 selfloop transitions, 2 changer transitions 1/143 dead transitions. [2024-11-19 05:58:43,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 143 transitions, 327 flow [2024-11-19 05:58:43,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:43,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 446 transitions. [2024-11-19 05:58:43,338 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8955823293172691 [2024-11-19 05:58:43,341 INFO L175 Difference]: Start difference. First operand has 148 places, 147 transitions, 303 flow. Second operand 3 states and 446 transitions. [2024-11-19 05:58:43,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 143 transitions, 327 flow [2024-11-19 05:58:43,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 143 transitions, 322 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 05:58:43,351 INFO L231 Difference]: Finished difference. Result has 146 places, 142 transitions, 292 flow [2024-11-19 05:58:43,354 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=146, PETRI_TRANSITIONS=142} [2024-11-19 05:58:43,360 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2024-11-19 05:58:43,360 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 142 transitions, 292 flow [2024-11-19 05:58:43,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-11-19 05:58:43,361 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:43,361 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] [2024-11-19 05:58:43,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:58:43,362 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:58:43,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:43,363 INFO L85 PathProgramCache]: Analyzing trace with hash 111937814, now seen corresponding path program 1 times [2024-11-19 05:58:43,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:43,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228379077] [2024-11-19 05:58:43,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:43,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:43,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:43,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:43,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228379077] [2024-11-19 05:58:43,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228379077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:43,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:43,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:43,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989542736] [2024-11-19 05:58:43,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:43,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:43,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:43,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:43,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:43,521 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 166 [2024-11-19 05:58:43,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 142 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-11-19 05:58:43,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:43,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 166 [2024-11-19 05:58:43,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:43,615 INFO L124 PetriNetUnfolderBase]: 23/269 cut-off events. [2024-11-19 05:58:43,616 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-19 05:58:43,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 269 events. 23/269 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 988 event pairs, 17 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 302. Up to 50 conditions per place. [2024-11-19 05:58:43,622 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 14 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2024-11-19 05:58:43,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 141 transitions, 322 flow [2024-11-19 05:58:43,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:43,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 443 transitions. [2024-11-19 05:58:43,631 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8895582329317269 [2024-11-19 05:58:43,631 INFO L175 Difference]: Start difference. First operand has 146 places, 142 transitions, 292 flow. Second operand 3 states and 443 transitions. [2024-11-19 05:58:43,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 141 transitions, 322 flow [2024-11-19 05:58:43,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 141 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:43,636 INFO L231 Difference]: Finished difference. Result has 144 places, 141 transitions, 290 flow [2024-11-19 05:58:43,637 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=144, PETRI_TRANSITIONS=141} [2024-11-19 05:58:43,638 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2024-11-19 05:58:43,638 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 141 transitions, 290 flow [2024-11-19 05:58:43,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-11-19 05:58:43,639 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:43,639 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] [2024-11-19 05:58:43,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:58:43,639 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:58:43,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:43,642 INFO L85 PathProgramCache]: Analyzing trace with hash -355021722, now seen corresponding path program 1 times [2024-11-19 05:58:43,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:43,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100947624] [2024-11-19 05:58:43,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:43,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:43,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:43,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100947624] [2024-11-19 05:58:43,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100947624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:43,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:43,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:43,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182279090] [2024-11-19 05:58:43,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:43,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:43,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:43,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:43,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:43,736 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 166 [2024-11-19 05:58:43,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 141 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2024-11-19 05:58:43,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:43,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 166 [2024-11-19 05:58:43,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:43,814 INFO L124 PetriNetUnfolderBase]: 12/222 cut-off events. [2024-11-19 05:58:43,814 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:58:43,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 222 events. 12/222 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 576 event pairs, 7 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 227. Up to 27 conditions per place. [2024-11-19 05:58:43,818 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 10 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2024-11-19 05:58:43,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 140 transitions, 312 flow [2024-11-19 05:58:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 451 transitions. [2024-11-19 05:58:43,821 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-19 05:58:43,821 INFO L175 Difference]: Start difference. First operand has 144 places, 141 transitions, 290 flow. Second operand 3 states and 451 transitions. [2024-11-19 05:58:43,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 140 transitions, 312 flow [2024-11-19 05:58:43,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 140 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:43,826 INFO L231 Difference]: Finished difference. Result has 143 places, 140 transitions, 288 flow [2024-11-19 05:58:43,829 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=143, PETRI_TRANSITIONS=140} [2024-11-19 05:58:43,830 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -5 predicate places. [2024-11-19 05:58:43,830 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 140 transitions, 288 flow [2024-11-19 05:58:43,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2024-11-19 05:58:43,830 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:43,831 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] [2024-11-19 05:58:43,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:58:43,831 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:58:43,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:43,833 INFO L85 PathProgramCache]: Analyzing trace with hash -792446969, now seen corresponding path program 1 times [2024-11-19 05:58:43,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:43,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609576435] [2024-11-19 05:58:43,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:43,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:43,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:43,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:43,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609576435] [2024-11-19 05:58:43,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609576435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:43,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:43,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:43,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041644174] [2024-11-19 05:58:43,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:43,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:43,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:43,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:43,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:43,932 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 166 [2024-11-19 05:58:43,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 140 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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) [2024-11-19 05:58:43,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:43,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 166 [2024-11-19 05:58:43,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:43,963 INFO L124 PetriNetUnfolderBase]: 14/181 cut-off events. [2024-11-19 05:58:43,963 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:58:43,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 181 events. 14/181 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 435 event pairs, 7 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 203. Up to 28 conditions per place. [2024-11-19 05:58:43,965 INFO L140 encePairwiseOnDemand]: 157/166 looper letters, 13 selfloop transitions, 5 changer transitions 0/138 dead transitions. [2024-11-19 05:58:43,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 138 transitions, 322 flow [2024-11-19 05:58:43,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:43,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:43,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2024-11-19 05:58:43,967 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8875502008032129 [2024-11-19 05:58:43,967 INFO L175 Difference]: Start difference. First operand has 143 places, 140 transitions, 288 flow. Second operand 3 states and 442 transitions. [2024-11-19 05:58:43,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 138 transitions, 322 flow [2024-11-19 05:58:43,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 138 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:43,971 INFO L231 Difference]: Finished difference. Result has 140 places, 137 transitions, 295 flow [2024-11-19 05:58:43,972 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=295, PETRI_PLACES=140, PETRI_TRANSITIONS=137} [2024-11-19 05:58:43,972 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -8 predicate places. [2024-11-19 05:58:43,973 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 137 transitions, 295 flow [2024-11-19 05:58:43,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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) [2024-11-19 05:58:43,973 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:43,974 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] [2024-11-19 05:58:43,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:58:43,974 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:58:43,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:43,975 INFO L85 PathProgramCache]: Analyzing trace with hash -456785047, now seen corresponding path program 1 times [2024-11-19 05:58:43,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:43,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398155432] [2024-11-19 05:58:43,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:43,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:44,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:44,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398155432] [2024-11-19 05:58:44,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398155432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:44,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:44,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:44,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331033387] [2024-11-19 05:58:44,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:44,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:44,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:44,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:44,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:44,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 166 [2024-11-19 05:58:44,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 137 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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) [2024-11-19 05:58:44,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:44,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 166 [2024-11-19 05:58:44,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:44,110 INFO L124 PetriNetUnfolderBase]: 38/331 cut-off events. [2024-11-19 05:58:44,110 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-19 05:58:44,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 331 events. 38/331 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1448 event pairs, 10 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 276. Up to 58 conditions per place. [2024-11-19 05:58:44,113 INFO L140 encePairwiseOnDemand]: 157/166 looper letters, 17 selfloop transitions, 5 changer transitions 0/139 dead transitions. [2024-11-19 05:58:44,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 139 transitions, 347 flow [2024-11-19 05:58:44,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:44,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 446 transitions. [2024-11-19 05:58:44,116 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8955823293172691 [2024-11-19 05:58:44,116 INFO L175 Difference]: Start difference. First operand has 140 places, 137 transitions, 295 flow. Second operand 3 states and 446 transitions. [2024-11-19 05:58:44,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 139 transitions, 347 flow [2024-11-19 05:58:44,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 139 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:58:44,119 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 301 flow [2024-11-19 05:58:44,121 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=301, PETRI_PLACES=138, PETRI_TRANSITIONS=134} [2024-11-19 05:58:44,122 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2024-11-19 05:58:44,122 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 301 flow [2024-11-19 05:58:44,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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) [2024-11-19 05:58:44,123 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:44,123 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:58:44,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:58:44,123 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:58:44,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:44,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1717386759, now seen corresponding path program 1 times [2024-11-19 05:58:44,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:44,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84572971] [2024-11-19 05:58:44,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:44,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:44,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:44,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:44,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84572971] [2024-11-19 05:58:44,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84572971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:44,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:44,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:44,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217743682] [2024-11-19 05:58:44,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:44,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:44,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:44,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:44,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:44,241 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 166 [2024-11-19 05:58:44,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 134 transitions, 301 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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) [2024-11-19 05:58:44,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:44,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 166 [2024-11-19 05:58:44,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:44,307 INFO L124 PetriNetUnfolderBase]: 31/463 cut-off events. [2024-11-19 05:58:44,309 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-19 05:58:44,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 618 conditions, 463 events. 31/463 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2182 event pairs, 8 based on Foata normal form. 0/424 useless extension candidates. Maximal degree in co-relation 351. Up to 60 conditions per place. [2024-11-19 05:58:44,311 INFO L140 encePairwiseOnDemand]: 162/166 looper letters, 11 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-11-19 05:58:44,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 135 transitions, 331 flow [2024-11-19 05:58:44,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:44,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:44,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 459 transitions. [2024-11-19 05:58:44,314 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9216867469879518 [2024-11-19 05:58:44,315 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 301 flow. Second operand 3 states and 459 transitions. [2024-11-19 05:58:44,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 135 transitions, 331 flow [2024-11-19 05:58:44,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 135 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:58:44,319 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 306 flow [2024-11-19 05:58:44,319 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=138, PETRI_TRANSITIONS=134} [2024-11-19 05:58:44,320 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2024-11-19 05:58:44,320 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 306 flow [2024-11-19 05:58:44,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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) [2024-11-19 05:58:44,321 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:44,321 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:58:44,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:58:44,322 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:58:44,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:44,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1483362157, now seen corresponding path program 1 times [2024-11-19 05:58:44,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:44,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011975815] [2024-11-19 05:58:44,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:44,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:44,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:44,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011975815] [2024-11-19 05:58:44,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011975815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:44,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:44,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:44,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406328824] [2024-11-19 05:58:44,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:44,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:44,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:44,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:44,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:44,443 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 166 [2024-11-19 05:58:44,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 134 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 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) [2024-11-19 05:58:44,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:44,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 166 [2024-11-19 05:58:44,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:44,514 INFO L124 PetriNetUnfolderBase]: 31/315 cut-off events. [2024-11-19 05:58:44,514 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-19 05:58:44,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 495 conditions, 315 events. 31/315 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1248 event pairs, 18 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 224. Up to 63 conditions per place. [2024-11-19 05:58:44,517 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-11-19 05:58:44,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 134 transitions, 342 flow [2024-11-19 05:58:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:44,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:44,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2024-11-19 05:58:44,519 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9016064257028112 [2024-11-19 05:58:44,520 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 306 flow. Second operand 3 states and 449 transitions. [2024-11-19 05:58:44,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 134 transitions, 342 flow [2024-11-19 05:58:44,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 134 transitions, 342 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:58:44,524 INFO L231 Difference]: Finished difference. Result has 139 places, 133 transitions, 308 flow [2024-11-19 05:58:44,524 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=139, PETRI_TRANSITIONS=133} [2024-11-19 05:58:44,525 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -9 predicate places. [2024-11-19 05:58:44,526 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 133 transitions, 308 flow [2024-11-19 05:58:44,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 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) [2024-11-19 05:58:44,527 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:44,527 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:58:44,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:58:44,527 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:58:44,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:44,529 INFO L85 PathProgramCache]: Analyzing trace with hash -536204306, now seen corresponding path program 1 times [2024-11-19 05:58:44,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:44,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711640991] [2024-11-19 05:58:44,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:44,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:44,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:44,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711640991] [2024-11-19 05:58:44,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711640991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:44,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:44,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:44,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421979394] [2024-11-19 05:58:44,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:44,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:44,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:44,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:44,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:44,645 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 166 [2024-11-19 05:58:44,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 133 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 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) [2024-11-19 05:58:44,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:44,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 166 [2024-11-19 05:58:44,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:44,719 INFO L124 PetriNetUnfolderBase]: 43/360 cut-off events. [2024-11-19 05:58:44,720 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-19 05:58:44,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 530 conditions, 360 events. 43/360 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1576 event pairs, 22 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 389. Up to 77 conditions per place. [2024-11-19 05:58:44,724 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 17 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-11-19 05:58:44,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 135 transitions, 351 flow [2024-11-19 05:58:44,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:44,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 451 transitions. [2024-11-19 05:58:44,727 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-19 05:58:44,727 INFO L175 Difference]: Start difference. First operand has 139 places, 133 transitions, 308 flow. Second operand 3 states and 451 transitions. [2024-11-19 05:58:44,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 135 transitions, 351 flow [2024-11-19 05:58:44,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 135 transitions, 347 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:44,731 INFO L231 Difference]: Finished difference. Result has 138 places, 132 transitions, 306 flow [2024-11-19 05:58:44,731 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=138, PETRI_TRANSITIONS=132} [2024-11-19 05:58:44,733 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2024-11-19 05:58:44,734 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 132 transitions, 306 flow [2024-11-19 05:58:44,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 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) [2024-11-19 05:58:44,734 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:44,734 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:58:44,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:58:44,735 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:58:44,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:44,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1617969115, now seen corresponding path program 1 times [2024-11-19 05:58:44,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:44,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117538915] [2024-11-19 05:58:44,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:44,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:44,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:44,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117538915] [2024-11-19 05:58:44,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117538915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:44,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:44,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:44,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943647661] [2024-11-19 05:58:44,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:44,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:44,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:44,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:44,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:44,853 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 166 [2024-11-19 05:58:44,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 132 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 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) [2024-11-19 05:58:44,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:44,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 166 [2024-11-19 05:58:44,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:44,904 INFO L124 PetriNetUnfolderBase]: 31/309 cut-off events. [2024-11-19 05:58:44,904 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-19 05:58:44,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 309 events. 31/309 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1233 event pairs, 18 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 438. Up to 63 conditions per place. [2024-11-19 05:58:44,906 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2024-11-19 05:58:44,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 132 transitions, 342 flow [2024-11-19 05:58:44,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:44,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2024-11-19 05:58:44,908 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9016064257028112 [2024-11-19 05:58:44,909 INFO L175 Difference]: Start difference. First operand has 138 places, 132 transitions, 306 flow. Second operand 3 states and 449 transitions. [2024-11-19 05:58:44,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 132 transitions, 342 flow [2024-11-19 05:58:44,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 132 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:44,912 INFO L231 Difference]: Finished difference. Result has 137 places, 131 transitions, 304 flow [2024-11-19 05:58:44,913 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=137, PETRI_TRANSITIONS=131} [2024-11-19 05:58:44,913 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -11 predicate places. [2024-11-19 05:58:44,913 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 131 transitions, 304 flow [2024-11-19 05:58:44,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 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) [2024-11-19 05:58:44,914 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:44,914 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:58:44,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:58:44,915 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-19 05:58:44,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:44,915 INFO L85 PathProgramCache]: Analyzing trace with hash 984225588, now seen corresponding path program 1 times [2024-11-19 05:58:44,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:44,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439495978] [2024-11-19 05:58:44,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:44,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:44,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:44,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439495978] [2024-11-19 05:58:44,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439495978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:44,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:44,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:44,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513284386] [2024-11-19 05:58:44,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:44,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:44,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:44,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:44,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:45,022 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 166 [2024-11-19 05:58:45,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 131 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2024-11-19 05:58:45,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:45,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 166 [2024-11-19 05:58:45,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:45,066 INFO L124 PetriNetUnfolderBase]: 42/352 cut-off events. [2024-11-19 05:58:45,067 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-19 05:58:45,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 521 conditions, 352 events. 42/352 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1492 event pairs, 20 based on Foata normal form. 0/340 useless extension candidates. Maximal degree in co-relation 489. Up to 76 conditions per place. [2024-11-19 05:58:45,069 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 0 selfloop transitions, 0 changer transitions 133/133 dead transitions. [2024-11-19 05:58:45,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 133 transitions, 347 flow [2024-11-19 05:58:45,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:45,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:45,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 451 transitions. [2024-11-19 05:58:45,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-19 05:58:45,071 INFO L175 Difference]: Start difference. First operand has 137 places, 131 transitions, 304 flow. Second operand 3 states and 451 transitions. [2024-11-19 05:58:45,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 133 transitions, 347 flow [2024-11-19 05:58:45,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 133 transitions, 343 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:45,074 INFO L231 Difference]: Finished difference. Result has 136 places, 0 transitions, 0 flow [2024-11-19 05:58:45,075 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=136, PETRI_TRANSITIONS=0} [2024-11-19 05:58:45,076 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -12 predicate places. [2024-11-19 05:58:45,077 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 0 transitions, 0 flow [2024-11-19 05:58:45,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2024-11-19 05:58:45,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2024-11-19 05:58:45,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2024-11-19 05:58:45,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2024-11-19 05:58:45,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2024-11-19 05:58:45,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2024-11-19 05:58:45,083 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2024-11-19 05:58:45,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2024-11-19 05:58:45,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2024-11-19 05:58:45,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2024-11-19 05:58:45,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2024-11-19 05:58:45,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2024-11-19 05:58:45,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2024-11-19 05:58:45,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2024-11-19 05:58:45,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2024-11-19 05:58:45,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2024-11-19 05:58:45,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2024-11-19 05:58:45,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2024-11-19 05:58:45,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 31 remaining) [2024-11-19 05:58:45,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 31 remaining) [2024-11-19 05:58:45,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2024-11-19 05:58:45,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2024-11-19 05:58:45,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2024-11-19 05:58:45,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2024-11-19 05:58:45,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2024-11-19 05:58:45,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2024-11-19 05:58:45,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2024-11-19 05:58:45,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2024-11-19 05:58:45,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2024-11-19 05:58:45,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2024-11-19 05:58:45,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2024-11-19 05:58:45,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2024-11-19 05:58:45,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:58:45,092 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:58:45,097 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 05:58:45,097 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 05:58:45,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:58:45 BasicIcfg [2024-11-19 05:58:45,104 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 05:58:45,105 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 05:58:45,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 05:58:45,105 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 05:58:45,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:58:42" (3/4) ... [2024-11-19 05:58:45,107 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 05:58:45,110 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-19 05:58:45,111 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-19 05:58:45,116 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-19 05:58:45,116 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 05:58:45,117 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 05:58:45,117 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 05:58:45,209 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 05:58:45,212 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 05:58:45,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 05:58:45,212 INFO L158 Benchmark]: Toolchain (without parser) took 3515.27ms. Allocated memory was 178.3MB in the beginning and 247.5MB in the end (delta: 69.2MB). Free memory was 107.2MB in the beginning and 114.6MB in the end (delta: -7.4MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2024-11-19 05:58:45,213 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 178.3MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:58:45,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.81ms. Allocated memory is still 178.3MB. Free memory was 107.0MB in the beginning and 93.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 05:58:45,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.43ms. Allocated memory is still 178.3MB. Free memory was 93.8MB in the beginning and 92.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 05:58:45,214 INFO L158 Benchmark]: Boogie Preprocessor took 63.16ms. Allocated memory is still 178.3MB. Free memory was 92.2MB in the beginning and 149.4MB in the end (delta: -57.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-11-19 05:58:45,217 INFO L158 Benchmark]: RCFGBuilder took 538.50ms. Allocated memory is still 178.3MB. Free memory was 149.4MB in the beginning and 132.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 05:58:45,217 INFO L158 Benchmark]: TraceAbstraction took 2482.27ms. Allocated memory was 178.3MB in the beginning and 247.5MB in the end (delta: 69.2MB). Free memory was 130.9MB in the beginning and 119.8MB in the end (delta: 11.1MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2024-11-19 05:58:45,218 INFO L158 Benchmark]: Witness Printer took 107.13ms. Allocated memory is still 247.5MB. Free memory was 119.8MB in the beginning and 114.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 05:58:45,219 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 178.3MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.81ms. Allocated memory is still 178.3MB. Free memory was 107.0MB in the beginning and 93.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.43ms. Allocated memory is still 178.3MB. Free memory was 93.8MB in the beginning and 92.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.16ms. Allocated memory is still 178.3MB. Free memory was 92.2MB in the beginning and 149.4MB in the end (delta: -57.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * RCFGBuilder took 538.50ms. Allocated memory is still 178.3MB. Free memory was 149.4MB in the beginning and 132.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2482.27ms. Allocated memory was 178.3MB in the beginning and 247.5MB in the end (delta: 69.2MB). Free memory was 130.9MB in the beginning and 119.8MB in the end (delta: 11.1MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. * Witness Printer took 107.13ms. Allocated memory is still 247.5MB. Free memory was 119.8MB in the beginning and 114.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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, 234 locations, 31 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 381 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 413 IncrementalHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 87 mSDtfsCounter, 413 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=308occurred in iteration=7, InterpolantAutomatonStates: 30, 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, 0.5s InterpolantComputationTime, 532 NumberOfCodeBlocks, 532 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 05:58:45,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE