./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/mult-comm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/mult-comm.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 de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:13:06,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:13:06,140 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:13:06,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:13:06,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:13:06,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:13:06,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:13:06,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:13:06,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:13:06,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:13:06,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:13:06,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:13:06,174 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:13:06,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:13:06,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:13:06,175 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:13:06,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:13:06,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:13:06,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:13:06,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:13:06,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:13:06,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:13:06,180 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:13:06,181 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:13:06,181 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:13:06,181 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:13:06,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:13:06,182 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:13:06,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:13:06,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:13:06,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:13:06,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:13:06,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:13:06,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:13:06,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:13:06,183 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:13:06,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:13:06,184 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:13:06,184 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:13:06,184 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:13:06,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:13:06,186 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 [2024-10-14 17:13:06,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:13:06,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:13:06,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:13:06,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:13:06,490 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:13:06,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/mult-comm.wvr.c [2024-10-14 17:13:07,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:13:08,137 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:13:08,138 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/mult-comm.wvr.c [2024-10-14 17:13:08,148 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3144eddf5/dfabe338621043b9ad319fb8b943457f/FLAGb62966c0c [2024-10-14 17:13:08,168 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3144eddf5/dfabe338621043b9ad319fb8b943457f [2024-10-14 17:13:08,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:13:08,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:13:08,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:13:08,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:13:08,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:13:08,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5c457f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08, skipping insertion in model container [2024-10-14 17:13:08,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,207 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:13:08,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:13:08,414 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:13:08,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:13:08,484 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:13:08,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08 WrapperNode [2024-10-14 17:13:08,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:13:08,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:13:08,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:13:08,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:13:08,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,532 INFO L138 Inliner]: procedures = 20, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-10-14 17:13:08,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:13:08,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:13:08,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:13:08,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:13:08,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:13:08,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:13:08,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:13:08,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:13:08,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08" (1/1) ... [2024-10-14 17:13:08,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:13:08,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:13:08,611 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) [2024-10-14 17:13:08,618 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 [2024-10-14 17:13:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:13:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 17:13:08,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 17:13:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 17:13:08,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 17:13:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:13:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:13:08,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:13:08,663 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:13:08,764 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:13:08,766 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:13:08,957 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:13:08,958 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:13:08,975 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:13:08,975 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 17:13:08,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:13:08 BoogieIcfgContainer [2024-10-14 17:13:08,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:13:08,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:13:08,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:13:08,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:13:08,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:13:08" (1/3) ... [2024-10-14 17:13:08,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5904e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:13:08, skipping insertion in model container [2024-10-14 17:13:08,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:08" (2/3) ... [2024-10-14 17:13:08,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5904e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:13:08, skipping insertion in model container [2024-10-14 17:13:08,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:13:08" (3/3) ... [2024-10-14 17:13:08,984 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2024-10-14 17:13:09,000 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:13:09,001 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-10-14 17:13:09,001 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:13:09,081 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-14 17:13:09,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 120 transitions, 254 flow [2024-10-14 17:13:09,202 INFO L124 PetriNetUnfolderBase]: 5/118 cut-off events. [2024-10-14 17:13:09,204 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:13:09,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 118 events. 5/118 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 147 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2024-10-14 17:13:09,211 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 120 transitions, 254 flow [2024-10-14 17:13:09,217 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 101 transitions, 214 flow [2024-10-14 17:13:09,232 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:13:09,242 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;@2ecb9737, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:13:09,242 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-14 17:13:09,251 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:13:09,254 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-14 17:13:09,255 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:13:09,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:09,256 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:09,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-14 17:13:09,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:09,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1856704111, now seen corresponding path program 1 times [2024-10-14 17:13:09,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:09,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508154587] [2024-10-14 17:13:09,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:09,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:09,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:09,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:09,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508154587] [2024-10-14 17:13:09,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508154587] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:09,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:09,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:09,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936213649] [2024-10-14 17:13:09,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:09,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:09,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:09,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:09,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:09,519 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 120 [2024-10-14 17:13:09,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 101 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2024-10-14 17:13:09,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:09,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 120 [2024-10-14 17:13:09,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:09,583 INFO L124 PetriNetUnfolderBase]: 6/130 cut-off events. [2024-10-14 17:13:09,583 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-14 17:13:09,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 130 events. 6/130 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 299 event pairs, 3 based on Foata normal form. 3/115 useless extension candidates. Maximal degree in co-relation 99. Up to 16 conditions per place. [2024-10-14 17:13:09,587 INFO L140 encePairwiseOnDemand]: 115/120 looper letters, 9 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2024-10-14 17:13:09,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 98 transitions, 230 flow [2024-10-14 17:13:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:09,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:09,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 323 transitions. [2024-10-14 17:13:09,599 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8972222222222223 [2024-10-14 17:13:09,600 INFO L175 Difference]: Start difference. First operand has 104 places, 101 transitions, 214 flow. Second operand 3 states and 323 transitions. [2024-10-14 17:13:09,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 98 transitions, 230 flow [2024-10-14 17:13:09,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 98 transitions, 222 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-14 17:13:09,607 INFO L231 Difference]: Finished difference. Result has 101 places, 98 transitions, 204 flow [2024-10-14 17:13:09,609 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=101, PETRI_TRANSITIONS=98} [2024-10-14 17:13:09,612 INFO L277 CegarLoopForPetriNet]: 104 programPoint places, -3 predicate places. [2024-10-14 17:13:09,612 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 98 transitions, 204 flow [2024-10-14 17:13:09,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2024-10-14 17:13:09,613 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:09,613 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:09,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:13:09,614 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-14 17:13:09,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:09,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1808818187, now seen corresponding path program 1 times [2024-10-14 17:13:09,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:09,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714655985] [2024-10-14 17:13:09,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:09,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:09,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:09,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714655985] [2024-10-14 17:13:09,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714655985] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:09,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:09,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:09,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31905921] [2024-10-14 17:13:09,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:09,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:09,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:09,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:09,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:09,702 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 120 [2024-10-14 17:13:09,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 98 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2024-10-14 17:13:09,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:09,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 120 [2024-10-14 17:13:09,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:09,753 INFO L124 PetriNetUnfolderBase]: 7/149 cut-off events. [2024-10-14 17:13:09,753 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:13:09,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 149 events. 7/149 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 383 event pairs, 3 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 149. Up to 18 conditions per place. [2024-10-14 17:13:09,755 INFO L140 encePairwiseOnDemand]: 117/120 looper letters, 9 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-10-14 17:13:09,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 97 transitions, 224 flow [2024-10-14 17:13:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2024-10-14 17:13:09,761 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8916666666666667 [2024-10-14 17:13:09,761 INFO L175 Difference]: Start difference. First operand has 101 places, 98 transitions, 204 flow. Second operand 3 states and 321 transitions. [2024-10-14 17:13:09,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 97 transitions, 224 flow [2024-10-14 17:13:09,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 97 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:09,767 INFO L231 Difference]: Finished difference. Result has 100 places, 97 transitions, 202 flow [2024-10-14 17:13:09,768 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=100, PETRI_TRANSITIONS=97} [2024-10-14 17:13:09,769 INFO L277 CegarLoopForPetriNet]: 104 programPoint places, -4 predicate places. [2024-10-14 17:13:09,769 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 97 transitions, 202 flow [2024-10-14 17:13:09,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2024-10-14 17:13:09,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:09,770 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] [2024-10-14 17:13:09,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:13:09,770 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-14 17:13:09,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:09,772 INFO L85 PathProgramCache]: Analyzing trace with hash 448300365, now seen corresponding path program 1 times [2024-10-14 17:13:09,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:09,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227538294] [2024-10-14 17:13:09,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:09,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:09,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:09,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:09,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227538294] [2024-10-14 17:13:09,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227538294] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:09,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:09,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:09,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711596003] [2024-10-14 17:13:09,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:09,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:09,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:09,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:09,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:09,843 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 120 [2024-10-14 17:13:09,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 97 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2024-10-14 17:13:09,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:09,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 120 [2024-10-14 17:13:09,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:09,903 INFO L124 PetriNetUnfolderBase]: 17/231 cut-off events. [2024-10-14 17:13:09,903 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-14 17:13:09,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 231 events. 17/231 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 793 event pairs, 4 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 240. Up to 31 conditions per place. [2024-10-14 17:13:09,905 INFO L140 encePairwiseOnDemand]: 116/120 looper letters, 10 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2024-10-14 17:13:09,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 98 transitions, 229 flow [2024-10-14 17:13:09,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 329 transitions. [2024-10-14 17:13:09,911 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9138888888888889 [2024-10-14 17:13:09,913 INFO L175 Difference]: Start difference. First operand has 100 places, 97 transitions, 202 flow. Second operand 3 states and 329 transitions. [2024-10-14 17:13:09,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 98 transitions, 229 flow [2024-10-14 17:13:09,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 98 transitions, 225 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:09,917 INFO L231 Difference]: Finished difference. Result has 99 places, 97 transitions, 208 flow [2024-10-14 17:13:09,917 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=99, PETRI_TRANSITIONS=97} [2024-10-14 17:13:09,918 INFO L277 CegarLoopForPetriNet]: 104 programPoint places, -5 predicate places. [2024-10-14 17:13:09,918 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 97 transitions, 208 flow [2024-10-14 17:13:09,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2024-10-14 17:13:09,919 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:09,919 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:09,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:13:09,920 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-14 17:13:09,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:09,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2031818879, now seen corresponding path program 1 times [2024-10-14 17:13:09,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:09,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539955273] [2024-10-14 17:13:09,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:09,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:10,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:10,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539955273] [2024-10-14 17:13:10,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539955273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:10,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:10,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:10,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304306359] [2024-10-14 17:13:10,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:10,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:10,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:10,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:10,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:10,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 120 [2024-10-14 17:13:10,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 97 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2024-10-14 17:13:10,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:10,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 120 [2024-10-14 17:13:10,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:10,086 INFO L124 PetriNetUnfolderBase]: 10/169 cut-off events. [2024-10-14 17:13:10,086 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-10-14 17:13:10,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 169 events. 10/169 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 479 event pairs, 1 based on Foata normal form. 1/151 useless extension candidates. Maximal degree in co-relation 134. Up to 9 conditions per place. [2024-10-14 17:13:10,088 INFO L140 encePairwiseOnDemand]: 115/120 looper letters, 7 selfloop transitions, 3 changer transitions 0/96 dead transitions. [2024-10-14 17:13:10,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 96 transitions, 227 flow [2024-10-14 17:13:10,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:10,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:10,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2024-10-14 17:13:10,090 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9083333333333333 [2024-10-14 17:13:10,090 INFO L175 Difference]: Start difference. First operand has 99 places, 97 transitions, 208 flow. Second operand 3 states and 327 transitions. [2024-10-14 17:13:10,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 96 transitions, 227 flow [2024-10-14 17:13:10,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 227 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:13:10,093 INFO L231 Difference]: Finished difference. Result has 99 places, 95 transitions, 210 flow [2024-10-14 17:13:10,093 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=99, PETRI_TRANSITIONS=95} [2024-10-14 17:13:10,094 INFO L277 CegarLoopForPetriNet]: 104 programPoint places, -5 predicate places. [2024-10-14 17:13:10,094 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 95 transitions, 210 flow [2024-10-14 17:13:10,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2024-10-14 17:13:10,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:10,095 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] [2024-10-14 17:13:10,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:13:10,095 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-14 17:13:10,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:10,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1632186723, now seen corresponding path program 1 times [2024-10-14 17:13:10,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:10,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992443349] [2024-10-14 17:13:10,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:10,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:10,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:10,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992443349] [2024-10-14 17:13:10,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992443349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:10,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:10,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:10,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614783230] [2024-10-14 17:13:10,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:10,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:10,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:10,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:10,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:10,157 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 120 [2024-10-14 17:13:10,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2024-10-14 17:13:10,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:10,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 120 [2024-10-14 17:13:10,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:10,196 INFO L124 PetriNetUnfolderBase]: 27/242 cut-off events. [2024-10-14 17:13:10,197 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-14 17:13:10,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 242 events. 27/242 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 969 event pairs, 2 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 242. Up to 40 conditions per place. [2024-10-14 17:13:10,200 INFO L140 encePairwiseOnDemand]: 116/120 looper letters, 11 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-10-14 17:13:10,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 97 transitions, 242 flow [2024-10-14 17:13:10,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:10,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:10,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 330 transitions. [2024-10-14 17:13:10,203 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-10-14 17:13:10,203 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 210 flow. Second operand 3 states and 330 transitions. [2024-10-14 17:13:10,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 97 transitions, 242 flow [2024-10-14 17:13:10,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 97 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:10,206 INFO L231 Difference]: Finished difference. Result has 98 places, 95 transitions, 214 flow [2024-10-14 17:13:10,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=98, PETRI_TRANSITIONS=95} [2024-10-14 17:13:10,208 INFO L277 CegarLoopForPetriNet]: 104 programPoint places, -6 predicate places. [2024-10-14 17:13:10,208 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 214 flow [2024-10-14 17:13:10,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2024-10-14 17:13:10,210 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:10,211 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] [2024-10-14 17:13:10,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:13:10,211 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-14 17:13:10,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:10,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1296857318, now seen corresponding path program 1 times [2024-10-14 17:13:10,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:10,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948277052] [2024-10-14 17:13:10,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:10,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:10,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:10,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948277052] [2024-10-14 17:13:10,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948277052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:10,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:10,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:10,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931054365] [2024-10-14 17:13:10,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:10,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:10,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:10,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:10,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:10,298 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 120 [2024-10-14 17:13:10,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2024-10-14 17:13:10,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:10,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 120 [2024-10-14 17:13:10,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:10,334 INFO L124 PetriNetUnfolderBase]: 21/242 cut-off events. [2024-10-14 17:13:10,334 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-14 17:13:10,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 242 events. 21/242 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1028 event pairs, 4 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 242. Up to 22 conditions per place. [2024-10-14 17:13:10,336 INFO L140 encePairwiseOnDemand]: 117/120 looper letters, 9 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2024-10-14 17:13:10,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 95 transitions, 237 flow [2024-10-14 17:13:10,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2024-10-14 17:13:10,337 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9083333333333333 [2024-10-14 17:13:10,338 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 214 flow. Second operand 3 states and 327 transitions. [2024-10-14 17:13:10,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 95 transitions, 237 flow [2024-10-14 17:13:10,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 95 transitions, 237 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:13:10,340 INFO L231 Difference]: Finished difference. Result has 99 places, 94 transitions, 216 flow [2024-10-14 17:13:10,340 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=99, PETRI_TRANSITIONS=94} [2024-10-14 17:13:10,341 INFO L277 CegarLoopForPetriNet]: 104 programPoint places, -5 predicate places. [2024-10-14 17:13:10,341 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 94 transitions, 216 flow [2024-10-14 17:13:10,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2024-10-14 17:13:10,341 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:10,342 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] [2024-10-14 17:13:10,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:13:10,342 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-14 17:13:10,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:10,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1188772276, now seen corresponding path program 1 times [2024-10-14 17:13:10,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:10,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224854367] [2024-10-14 17:13:10,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:10,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:10,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:10,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:10,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224854367] [2024-10-14 17:13:10,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224854367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:10,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:10,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:10,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196839083] [2024-10-14 17:13:10,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:10,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:10,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:10,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:10,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:10,404 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 120 [2024-10-14 17:13:10,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 94 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2024-10-14 17:13:10,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:10,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 120 [2024-10-14 17:13:10,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:10,435 INFO L124 PetriNetUnfolderBase]: 21/175 cut-off events. [2024-10-14 17:13:10,435 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-10-14 17:13:10,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 175 events. 21/175 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 541 event pairs, 1 based on Foata normal form. 1/163 useless extension candidates. Maximal degree in co-relation 199. Up to 19 conditions per place. [2024-10-14 17:13:10,436 INFO L140 encePairwiseOnDemand]: 115/120 looper letters, 5 selfloop transitions, 2 changer transitions 4/93 dead transitions. [2024-10-14 17:13:10,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 93 transitions, 233 flow [2024-10-14 17:13:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2024-10-14 17:13:10,439 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9055555555555556 [2024-10-14 17:13:10,439 INFO L175 Difference]: Start difference. First operand has 99 places, 94 transitions, 216 flow. Second operand 3 states and 326 transitions. [2024-10-14 17:13:10,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 93 transitions, 233 flow [2024-10-14 17:13:10,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 93 transitions, 229 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:10,441 INFO L231 Difference]: Finished difference. Result has 97 places, 88 transitions, 203 flow [2024-10-14 17:13:10,442 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=203, PETRI_PLACES=97, PETRI_TRANSITIONS=88} [2024-10-14 17:13:10,443 INFO L277 CegarLoopForPetriNet]: 104 programPoint places, -7 predicate places. [2024-10-14 17:13:10,443 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 88 transitions, 203 flow [2024-10-14 17:13:10,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2024-10-14 17:13:10,444 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:10,444 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] [2024-10-14 17:13:10,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:13:10,445 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-14 17:13:10,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:10,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1545039153, now seen corresponding path program 1 times [2024-10-14 17:13:10,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:10,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606105065] [2024-10-14 17:13:10,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:10,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:10,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:10,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606105065] [2024-10-14 17:13:10,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606105065] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:10,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:10,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:10,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086502457] [2024-10-14 17:13:10,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:10,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:10,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:10,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:10,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:10,529 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 120 [2024-10-14 17:13:10,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 88 transitions, 203 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2024-10-14 17:13:10,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:10,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 120 [2024-10-14 17:13:10,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:10,554 INFO L124 PetriNetUnfolderBase]: 19/174 cut-off events. [2024-10-14 17:13:10,554 INFO L125 PetriNetUnfolderBase]: For 17/18 co-relation queries the response was YES. [2024-10-14 17:13:10,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 174 events. 19/174 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 501 event pairs, 3 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 174. Up to 25 conditions per place. [2024-10-14 17:13:10,555 INFO L140 encePairwiseOnDemand]: 117/120 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2024-10-14 17:13:10,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 88 transitions, 222 flow [2024-10-14 17:13:10,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:10,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:10,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 325 transitions. [2024-10-14 17:13:10,557 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9027777777777778 [2024-10-14 17:13:10,557 INFO L175 Difference]: Start difference. First operand has 97 places, 88 transitions, 203 flow. Second operand 3 states and 325 transitions. [2024-10-14 17:13:10,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 88 transitions, 222 flow [2024-10-14 17:13:10,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 88 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:10,558 INFO L231 Difference]: Finished difference. Result has 92 places, 0 transitions, 0 flow [2024-10-14 17:13:10,559 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=92, PETRI_TRANSITIONS=0} [2024-10-14 17:13:10,559 INFO L277 CegarLoopForPetriNet]: 104 programPoint places, -12 predicate places. [2024-10-14 17:13:10,559 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 0 transitions, 0 flow [2024-10-14 17:13:10,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2024-10-14 17:13:10,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2024-10-14 17:13:10,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2024-10-14 17:13:10,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2024-10-14 17:13:10,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2024-10-14 17:13:10,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2024-10-14 17:13:10,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2024-10-14 17:13:10,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2024-10-14 17:13:10,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2024-10-14 17:13:10,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2024-10-14 17:13:10,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2024-10-14 17:13:10,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2024-10-14 17:13:10,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2024-10-14 17:13:10,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 22 remaining) [2024-10-14 17:13:10,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 22 remaining) [2024-10-14 17:13:10,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2024-10-14 17:13:10,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2024-10-14 17:13:10,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2024-10-14 17:13:10,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2024-10-14 17:13:10,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2024-10-14 17:13:10,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2024-10-14 17:13:10,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2024-10-14 17:13:10,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2024-10-14 17:13:10,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:13:10,570 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:10,578 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:13:10,578 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:13:10,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:13:10 BasicIcfg [2024-10-14 17:13:10,587 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:13:10,587 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:13:10,587 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:13:10,588 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:13:10,588 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:13:08" (3/4) ... [2024-10-14 17:13:10,590 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:13:10,593 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 17:13:10,593 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-14 17:13:10,597 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-14 17:13:10,598 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:13:10,598 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:13:10,598 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:13:10,689 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:13:10,689 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:13:10,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:13:10,690 INFO L158 Benchmark]: Toolchain (without parser) took 2518.09ms. Allocated memory is still 165.7MB. Free memory was 90.6MB in the beginning and 50.7MB in the end (delta: 39.8MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-10-14 17:13:10,690 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 165.7MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:13:10,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.43ms. Allocated memory is still 165.7MB. Free memory was 90.6MB in the beginning and 137.1MB in the end (delta: -46.6MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-10-14 17:13:10,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.52ms. Allocated memory is still 165.7MB. Free memory was 137.1MB in the beginning and 135.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:13:10,691 INFO L158 Benchmark]: Boogie Preprocessor took 28.37ms. Allocated memory is still 165.7MB. Free memory was 135.8MB in the beginning and 134.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:13:10,691 INFO L158 Benchmark]: RCFGBuilder took 414.41ms. Allocated memory is still 165.7MB. Free memory was 134.2MB in the beginning and 120.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 17:13:10,691 INFO L158 Benchmark]: TraceAbstraction took 1608.94ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 54.9MB in the end (delta: 64.7MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-10-14 17:13:10,691 INFO L158 Benchmark]: Witness Printer took 102.27ms. Allocated memory is still 165.7MB. Free memory was 54.9MB in the beginning and 50.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:13:10,693 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 165.7MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.43ms. Allocated memory is still 165.7MB. Free memory was 90.6MB in the beginning and 137.1MB in the end (delta: -46.6MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.52ms. Allocated memory is still 165.7MB. Free memory was 137.1MB in the beginning and 135.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.37ms. Allocated memory is still 165.7MB. Free memory was 135.8MB in the beginning and 134.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 414.41ms. Allocated memory is still 165.7MB. Free memory was 134.2MB in the beginning and 120.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1608.94ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 54.9MB in the end (delta: 64.7MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Witness Printer took 102.27ms. Allocated memory is still 165.7MB. Free memory was 54.9MB in the beginning and 50.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: 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: 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 168 locations, 22 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 28 mSDtfsCounter, 161 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=6, InterpolantAutomatonStates: 24, 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, 0.4s InterpolantComputationTime, 302 NumberOfCodeBlocks, 302 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 310 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:13:10,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE