./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/parallel-misc-2-unrolled.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 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/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-wip.dd.update-z3-fca748b-m [2024-11-20 13:54:24,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:54:24,227 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:54:24,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:54:24,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:54:24,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:54:24,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:54:24,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:54:24,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:54:24,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:54:24,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:54:24,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:54:24,255 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:54:24,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:54:24,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:54:24,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:54:24,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:54:24,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:54:24,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:54:24,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:54:24,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:54:24,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:54:24,261 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:54:24,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:54:24,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:54:24,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:54:24,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:54:24,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:54:24,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:54:24,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:54:24,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:54:24,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:54:24,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:54:24,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:54:24,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:54:24,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:54:24,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:54:24,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:54:24,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:54:24,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:54:24,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:54:24,264 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b21640b39ce7bcc8ee8415d7ec787ca73953d49130bebf43478653d490e2460 [2024-11-20 13:54:24,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:54:24,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:54:24,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:54:24,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:54:24,483 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:54:24,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2024-11-20 13:54:25,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:54:25,865 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:54:25,866 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2024-11-20 13:54:25,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c16a99dfd/9ac9d6e4217f410dbd63d42d9f0d673a/FLAG285ba6431 [2024-11-20 13:54:26,291 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c16a99dfd/9ac9d6e4217f410dbd63d42d9f0d673a [2024-11-20 13:54:26,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:54:26,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:54:26,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:54:26,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:54:26,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:54:26,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1577e96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26, skipping insertion in model container [2024-11-20 13:54:26,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:54:26,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:54:26,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:54:26,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:54:26,531 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:54:26,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26 WrapperNode [2024-11-20 13:54:26,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:54:26,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:54:26,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:54:26,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:54:26,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,556 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-20 13:54:26,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:54:26,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:54:26,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:54:26,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:54:26,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:54:26,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:54:26,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:54:26,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:54:26,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26" (1/1) ... [2024-11-20 13:54:26,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:54:26,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:54:26,601 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) [2024-11-20 13:54:26,602 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 [2024-11-20 13:54:26,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:54:26,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 13:54:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 13:54:26,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-20 13:54:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-20 13:54:26,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:54:26,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:54:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:54:26,636 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:54:26,702 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:54:26,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:54:26,866 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:54:26,867 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:54:26,893 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:54:26,893 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 13:54:26,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:54:26 BoogieIcfgContainer [2024-11-20 13:54:26,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:54:26,895 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:54:26,895 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:54:26,899 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:54:26,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:54:26" (1/3) ... [2024-11-20 13:54:26,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f040c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:54:26, skipping insertion in model container [2024-11-20 13:54:26,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:26" (2/3) ... [2024-11-20 13:54:26,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f040c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:54:26, skipping insertion in model container [2024-11-20 13:54:26,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:54:26" (3/3) ... [2024-11-20 13:54:26,901 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled.wvr.c [2024-11-20 13:54:26,912 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:54:26,912 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-11-20 13:54:26,912 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:54:26,966 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 13:54:26,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 166 places, 166 transitions, 346 flow [2024-11-20 13:54:27,033 INFO L124 PetriNetUnfolderBase]: 7/164 cut-off events. [2024-11-20 13:54:27,034 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:54:27,039 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. [2024-11-20 13:54:27,040 INFO L82 GeneralOperation]: Start removeDead. Operand has 166 places, 166 transitions, 346 flow [2024-11-20 13:54:27,045 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 147 transitions, 303 flow [2024-11-20 13:54:27,057 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:54:27,062 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;@3e184110, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:54:27,062 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-11-20 13:54:27,068 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:54:27,069 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-20 13:54:27,069 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:54:27,070 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:27,070 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] [2024-11-20 13:54:27,070 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)] === [2024-11-20 13:54:27,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:27,075 INFO L85 PathProgramCache]: Analyzing trace with hash 215205372, now seen corresponding path program 1 times [2024-11-20 13:54:27,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:27,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030299807] [2024-11-20 13:54:27,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:27,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:27,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:27,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030299807] [2024-11-20 13:54:27,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030299807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:27,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:27,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:27,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408191385] [2024-11-20 13:54:27,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:27,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:27,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:27,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:27,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:27,282 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 166 [2024-11-20 13:54:27,285 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) [2024-11-20 13:54:27,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:27,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 166 [2024-11-20 13:54:27,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:27,340 INFO L124 PetriNetUnfolderBase]: 11/187 cut-off events. [2024-11-20 13:54:27,340 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-20 13:54:27,341 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. [2024-11-20 13:54:27,343 INFO L140 encePairwiseOnDemand]: 160/166 looper letters, 14 selfloop transitions, 2 changer transitions 1/143 dead transitions. [2024-11-20 13:54:27,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 143 transitions, 327 flow [2024-11-20 13:54:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:27,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 446 transitions. [2024-11-20 13:54:27,357 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8955823293172691 [2024-11-20 13:54:27,358 INFO L175 Difference]: Start difference. First operand has 148 places, 147 transitions, 303 flow. Second operand 3 states and 446 transitions. [2024-11-20 13:54:27,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 143 transitions, 327 flow [2024-11-20 13:54:27,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 143 transitions, 322 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 13:54:27,375 INFO L231 Difference]: Finished difference. Result has 146 places, 142 transitions, 292 flow [2024-11-20 13:54:27,377 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} [2024-11-20 13:54:27,379 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2024-11-20 13:54:27,379 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 142 transitions, 292 flow [2024-11-20 13:54:27,379 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) [2024-11-20 13:54:27,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:27,380 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] [2024-11-20 13:54:27,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:54:27,380 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)] === [2024-11-20 13:54:27,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:27,381 INFO L85 PathProgramCache]: Analyzing trace with hash 111937814, now seen corresponding path program 1 times [2024-11-20 13:54:27,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:27,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591123510] [2024-11-20 13:54:27,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:27,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:27,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:27,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:27,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591123510] [2024-11-20 13:54:27,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591123510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:27,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:27,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:27,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137966452] [2024-11-20 13:54:27,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:27,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:27,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:27,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:27,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:27,518 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 166 [2024-11-20 13:54:27,519 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) [2024-11-20 13:54:27,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:27,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 166 [2024-11-20 13:54:27,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:27,578 INFO L124 PetriNetUnfolderBase]: 23/269 cut-off events. [2024-11-20 13:54:27,579 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-20 13:54:27,580 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. [2024-11-20 13:54:27,581 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 14 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2024-11-20 13:54:27,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 141 transitions, 322 flow [2024-11-20 13:54:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:27,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 443 transitions. [2024-11-20 13:54:27,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8895582329317269 [2024-11-20 13:54:27,587 INFO L175 Difference]: Start difference. First operand has 146 places, 142 transitions, 292 flow. Second operand 3 states and 443 transitions. [2024-11-20 13:54:27,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 141 transitions, 322 flow [2024-11-20 13:54:27,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 141 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:27,591 INFO L231 Difference]: Finished difference. Result has 144 places, 141 transitions, 290 flow [2024-11-20 13:54:27,591 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} [2024-11-20 13:54:27,592 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2024-11-20 13:54:27,592 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 141 transitions, 290 flow [2024-11-20 13:54:27,592 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) [2024-11-20 13:54:27,593 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:27,593 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] [2024-11-20 13:54:27,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:54:27,594 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)] === [2024-11-20 13:54:27,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:27,595 INFO L85 PathProgramCache]: Analyzing trace with hash -355021722, now seen corresponding path program 1 times [2024-11-20 13:54:27,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:27,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852330861] [2024-11-20 13:54:27,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:27,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:27,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:27,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:27,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852330861] [2024-11-20 13:54:27,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852330861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:27,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:27,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:27,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948219679] [2024-11-20 13:54:27,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:27,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:27,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:27,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:27,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:27,669 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 166 [2024-11-20 13:54:27,670 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) [2024-11-20 13:54:27,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:27,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 166 [2024-11-20 13:54:27,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:27,707 INFO L124 PetriNetUnfolderBase]: 12/222 cut-off events. [2024-11-20 13:54:27,707 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:54:27,708 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. [2024-11-20 13:54:27,709 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 10 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2024-11-20 13:54:27,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 140 transitions, 312 flow [2024-11-20 13:54:27,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:27,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:27,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 451 transitions. [2024-11-20 13:54:27,711 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-20 13:54:27,711 INFO L175 Difference]: Start difference. First operand has 144 places, 141 transitions, 290 flow. Second operand 3 states and 451 transitions. [2024-11-20 13:54:27,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 140 transitions, 312 flow [2024-11-20 13:54:27,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 140 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:27,713 INFO L231 Difference]: Finished difference. Result has 143 places, 140 transitions, 288 flow [2024-11-20 13:54:27,714 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} [2024-11-20 13:54:27,714 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -5 predicate places. [2024-11-20 13:54:27,714 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 140 transitions, 288 flow [2024-11-20 13:54:27,715 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) [2024-11-20 13:54:27,715 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:27,715 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] [2024-11-20 13:54:27,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:54:27,715 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)] === [2024-11-20 13:54:27,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:27,716 INFO L85 PathProgramCache]: Analyzing trace with hash -792446969, now seen corresponding path program 1 times [2024-11-20 13:54:27,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:27,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673612997] [2024-11-20 13:54:27,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:27,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:27,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:27,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673612997] [2024-11-20 13:54:27,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673612997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:27,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:27,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:27,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501106295] [2024-11-20 13:54:27,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:27,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:27,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:27,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:27,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:27,779 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 166 [2024-11-20 13:54:27,780 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) [2024-11-20 13:54:27,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:27,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 166 [2024-11-20 13:54:27,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:27,801 INFO L124 PetriNetUnfolderBase]: 14/181 cut-off events. [2024-11-20 13:54:27,801 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:54:27,802 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. [2024-11-20 13:54:27,804 INFO L140 encePairwiseOnDemand]: 157/166 looper letters, 13 selfloop transitions, 5 changer transitions 0/138 dead transitions. [2024-11-20 13:54:27,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 138 transitions, 322 flow [2024-11-20 13:54:27,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:27,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2024-11-20 13:54:27,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8875502008032129 [2024-11-20 13:54:27,807 INFO L175 Difference]: Start difference. First operand has 143 places, 140 transitions, 288 flow. Second operand 3 states and 442 transitions. [2024-11-20 13:54:27,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 138 transitions, 322 flow [2024-11-20 13:54:27,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 138 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:27,810 INFO L231 Difference]: Finished difference. Result has 140 places, 137 transitions, 295 flow [2024-11-20 13:54:27,810 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} [2024-11-20 13:54:27,811 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -8 predicate places. [2024-11-20 13:54:27,811 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 137 transitions, 295 flow [2024-11-20 13:54:27,812 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) [2024-11-20 13:54:27,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:27,812 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] [2024-11-20 13:54:27,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:54:27,812 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)] === [2024-11-20 13:54:27,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:27,813 INFO L85 PathProgramCache]: Analyzing trace with hash -456785047, now seen corresponding path program 1 times [2024-11-20 13:54:27,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:27,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16454120] [2024-11-20 13:54:27,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:27,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:27,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:27,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:27,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16454120] [2024-11-20 13:54:27,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16454120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:27,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:27,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:27,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210431113] [2024-11-20 13:54:27,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:27,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:27,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:27,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:27,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:27,889 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 166 [2024-11-20 13:54:27,890 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) [2024-11-20 13:54:27,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:27,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 166 [2024-11-20 13:54:27,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:27,934 INFO L124 PetriNetUnfolderBase]: 38/331 cut-off events. [2024-11-20 13:54:27,934 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-20 13:54:27,936 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. [2024-11-20 13:54:27,937 INFO L140 encePairwiseOnDemand]: 157/166 looper letters, 17 selfloop transitions, 5 changer transitions 0/139 dead transitions. [2024-11-20 13:54:27,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 139 transitions, 347 flow [2024-11-20 13:54:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:27,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 446 transitions. [2024-11-20 13:54:27,939 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8955823293172691 [2024-11-20 13:54:27,939 INFO L175 Difference]: Start difference. First operand has 140 places, 137 transitions, 295 flow. Second operand 3 states and 446 transitions. [2024-11-20 13:54:27,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 139 transitions, 347 flow [2024-11-20 13:54:27,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 139 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:54:27,941 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 301 flow [2024-11-20 13:54:27,941 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} [2024-11-20 13:54:27,942 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2024-11-20 13:54:27,943 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 301 flow [2024-11-20 13:54:27,944 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) [2024-11-20 13:54:27,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:27,944 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] [2024-11-20 13:54:27,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:54:27,944 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-20 13:54:27,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:27,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1717386759, now seen corresponding path program 1 times [2024-11-20 13:54:27,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:27,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179653849] [2024-11-20 13:54:27,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:27,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:28,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:28,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179653849] [2024-11-20 13:54:28,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179653849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:28,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:28,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:28,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959448528] [2024-11-20 13:54:28,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:28,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:28,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:28,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:28,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:28,022 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 166 [2024-11-20 13:54:28,023 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) [2024-11-20 13:54:28,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:28,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 166 [2024-11-20 13:54:28,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:28,107 INFO L124 PetriNetUnfolderBase]: 31/463 cut-off events. [2024-11-20 13:54:28,107 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-20 13:54:28,108 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. [2024-11-20 13:54:28,109 INFO L140 encePairwiseOnDemand]: 162/166 looper letters, 11 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-11-20 13:54:28,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 135 transitions, 331 flow [2024-11-20 13:54:28,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:28,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 459 transitions. [2024-11-20 13:54:28,110 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9216867469879518 [2024-11-20 13:54:28,111 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 301 flow. Second operand 3 states and 459 transitions. [2024-11-20 13:54:28,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 135 transitions, 331 flow [2024-11-20 13:54:28,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 135 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:54:28,113 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 306 flow [2024-11-20 13:54:28,114 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} [2024-11-20 13:54:28,114 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2024-11-20 13:54:28,115 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 306 flow [2024-11-20 13:54:28,115 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) [2024-11-20 13:54:28,115 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:28,115 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] [2024-11-20 13:54:28,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:54:28,116 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-20 13:54:28,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:28,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1483362157, now seen corresponding path program 1 times [2024-11-20 13:54:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:28,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513885737] [2024-11-20 13:54:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:28,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:28,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513885737] [2024-11-20 13:54:28,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513885737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:28,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:28,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:28,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181578897] [2024-11-20 13:54:28,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:28,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:28,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:28,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:28,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:28,209 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 166 [2024-11-20 13:54:28,210 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) [2024-11-20 13:54:28,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:28,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 166 [2024-11-20 13:54:28,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:28,241 INFO L124 PetriNetUnfolderBase]: 31/315 cut-off events. [2024-11-20 13:54:28,241 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-20 13:54:28,242 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. [2024-11-20 13:54:28,243 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-11-20 13:54:28,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 134 transitions, 342 flow [2024-11-20 13:54:28,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:28,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:28,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2024-11-20 13:54:28,244 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9016064257028112 [2024-11-20 13:54:28,244 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 306 flow. Second operand 3 states and 449 transitions. [2024-11-20 13:54:28,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 134 transitions, 342 flow [2024-11-20 13:54:28,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 134 transitions, 342 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:54:28,247 INFO L231 Difference]: Finished difference. Result has 139 places, 133 transitions, 308 flow [2024-11-20 13:54:28,247 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} [2024-11-20 13:54:28,248 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -9 predicate places. [2024-11-20 13:54:28,248 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 133 transitions, 308 flow [2024-11-20 13:54:28,249 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) [2024-11-20 13:54:28,249 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:28,249 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] [2024-11-20 13:54:28,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:54:28,250 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-20 13:54:28,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:28,250 INFO L85 PathProgramCache]: Analyzing trace with hash -536204306, now seen corresponding path program 1 times [2024-11-20 13:54:28,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:28,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582350627] [2024-11-20 13:54:28,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:28,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:28,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:28,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582350627] [2024-11-20 13:54:28,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582350627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:28,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:28,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:28,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494496414] [2024-11-20 13:54:28,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:28,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:28,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:28,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:28,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:28,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 166 [2024-11-20 13:54:28,333 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) [2024-11-20 13:54:28,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:28,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 166 [2024-11-20 13:54:28,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:28,370 INFO L124 PetriNetUnfolderBase]: 43/360 cut-off events. [2024-11-20 13:54:28,370 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-20 13:54:28,371 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. [2024-11-20 13:54:28,372 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 17 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-11-20 13:54:28,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 135 transitions, 351 flow [2024-11-20 13:54:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 451 transitions. [2024-11-20 13:54:28,374 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-20 13:54:28,374 INFO L175 Difference]: Start difference. First operand has 139 places, 133 transitions, 308 flow. Second operand 3 states and 451 transitions. [2024-11-20 13:54:28,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 135 transitions, 351 flow [2024-11-20 13:54:28,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 135 transitions, 347 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:28,376 INFO L231 Difference]: Finished difference. Result has 138 places, 132 transitions, 306 flow [2024-11-20 13:54:28,377 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} [2024-11-20 13:54:28,378 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2024-11-20 13:54:28,378 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 132 transitions, 306 flow [2024-11-20 13:54:28,379 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) [2024-11-20 13:54:28,379 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:28,379 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] [2024-11-20 13:54:28,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 13:54:28,379 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-20 13:54:28,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:28,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1617969115, now seen corresponding path program 1 times [2024-11-20 13:54:28,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:28,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927217313] [2024-11-20 13:54:28,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:28,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:28,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:28,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:28,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927217313] [2024-11-20 13:54:28,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927217313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:28,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:28,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:28,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482439309] [2024-11-20 13:54:28,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:28,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:28,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:28,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:28,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:28,466 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 166 [2024-11-20 13:54:28,467 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) [2024-11-20 13:54:28,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:28,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 166 [2024-11-20 13:54:28,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:28,495 INFO L124 PetriNetUnfolderBase]: 31/309 cut-off events. [2024-11-20 13:54:28,495 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-20 13:54:28,496 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. [2024-11-20 13:54:28,497 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2024-11-20 13:54:28,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 132 transitions, 342 flow [2024-11-20 13:54:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:28,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:28,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2024-11-20 13:54:28,498 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9016064257028112 [2024-11-20 13:54:28,498 INFO L175 Difference]: Start difference. First operand has 138 places, 132 transitions, 306 flow. Second operand 3 states and 449 transitions. [2024-11-20 13:54:28,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 132 transitions, 342 flow [2024-11-20 13:54:28,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 132 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:28,500 INFO L231 Difference]: Finished difference. Result has 137 places, 131 transitions, 304 flow [2024-11-20 13:54:28,501 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} [2024-11-20 13:54:28,501 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -11 predicate places. [2024-11-20 13:54:28,502 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 131 transitions, 304 flow [2024-11-20 13:54:28,503 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) [2024-11-20 13:54:28,503 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:54:28,503 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] [2024-11-20 13:54:28,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 13:54:28,503 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-20 13:54:28,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:54:28,503 INFO L85 PathProgramCache]: Analyzing trace with hash 984225588, now seen corresponding path program 1 times [2024-11-20 13:54:28,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:54:28,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845056579] [2024-11-20 13:54:28,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:54:28,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:54:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:54:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:54:28,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:54:28,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845056579] [2024-11-20 13:54:28,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845056579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:54:28,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:54:28,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:54:28,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7249997] [2024-11-20 13:54:28,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:54:28,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:54:28,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:54:28,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:54:28,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:54:28,576 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 166 [2024-11-20 13:54:28,577 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) [2024-11-20 13:54:28,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:54:28,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 166 [2024-11-20 13:54:28,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:54:28,612 INFO L124 PetriNetUnfolderBase]: 42/352 cut-off events. [2024-11-20 13:54:28,612 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-20 13:54:28,613 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. [2024-11-20 13:54:28,613 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 0 selfloop transitions, 0 changer transitions 133/133 dead transitions. [2024-11-20 13:54:28,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 133 transitions, 347 flow [2024-11-20 13:54:28,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:54:28,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:54:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 451 transitions. [2024-11-20 13:54:28,614 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-20 13:54:28,614 INFO L175 Difference]: Start difference. First operand has 137 places, 131 transitions, 304 flow. Second operand 3 states and 451 transitions. [2024-11-20 13:54:28,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 133 transitions, 347 flow [2024-11-20 13:54:28,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 133 transitions, 343 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:54:28,616 INFO L231 Difference]: Finished difference. Result has 136 places, 0 transitions, 0 flow [2024-11-20 13:54:28,616 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} [2024-11-20 13:54:28,617 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -12 predicate places. [2024-11-20 13:54:28,617 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 0 transitions, 0 flow [2024-11-20 13:54:28,618 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) [2024-11-20 13:54:28,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2024-11-20 13:54:28,623 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2024-11-20 13:54:28,623 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2024-11-20 13:54:28,623 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2024-11-20 13:54:28,623 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2024-11-20 13:54:28,623 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2024-11-20 13:54:28,623 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2024-11-20 13:54:28,623 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2024-11-20 13:54:28,623 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2024-11-20 13:54:28,623 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2024-11-20 13:54:28,624 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2024-11-20 13:54:28,624 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2024-11-20 13:54:28,624 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2024-11-20 13:54:28,624 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2024-11-20 13:54:28,624 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2024-11-20 13:54:28,624 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2024-11-20 13:54:28,624 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2024-11-20 13:54:28,624 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 31 remaining) [2024-11-20 13:54:28,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 31 remaining) [2024-11-20 13:54:28,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2024-11-20 13:54:28,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2024-11-20 13:54:28,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2024-11-20 13:54:28,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2024-11-20 13:54:28,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2024-11-20 13:54:28,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2024-11-20 13:54:28,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2024-11-20 13:54:28,625 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2024-11-20 13:54:28,626 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2024-11-20 13:54:28,626 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2024-11-20 13:54:28,626 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2024-11-20 13:54:28,626 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2024-11-20 13:54:28,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 13:54:28,626 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:54:28,631 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:54:28,631 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:54:28,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:54:28 BasicIcfg [2024-11-20 13:54:28,636 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:54:28,637 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:54:28,637 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:54:28,637 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:54:28,637 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:54:26" (3/4) ... [2024-11-20 13:54:28,639 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:54:28,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-20 13:54:28,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-20 13:54:28,645 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-20 13:54:28,646 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 13:54:28,646 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:54:28,646 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:54:28,714 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:54:28,714 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:54:28,714 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:54:28,714 INFO L158 Benchmark]: Toolchain (without parser) took 2420.31ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 93.6MB in the beginning and 153.2MB in the end (delta: -59.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:54:28,714 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 88.1MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:54:28,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.19ms. Allocated memory is still 155.2MB. Free memory was 93.5MB in the beginning and 122.5MB in the end (delta: -28.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 13:54:28,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.44ms. Allocated memory is still 155.2MB. Free memory was 122.5MB in the beginning and 121.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:54:28,715 INFO L158 Benchmark]: Boogie Preprocessor took 18.26ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 119.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:54:28,715 INFO L158 Benchmark]: RCFGBuilder took 318.29ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 103.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 13:54:28,715 INFO L158 Benchmark]: TraceAbstraction took 1741.57ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 102.3MB in the beginning and 158.5MB in the end (delta: -56.1MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. [2024-11-20 13:54:28,715 INFO L158 Benchmark]: Witness Printer took 77.37ms. Allocated memory is still 199.2MB. Free memory was 158.5MB in the beginning and 153.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 13:54:28,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 88.1MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.19ms. Allocated memory is still 155.2MB. Free memory was 93.5MB in the beginning and 122.5MB in the end (delta: -28.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.44ms. Allocated memory is still 155.2MB. Free memory was 122.5MB in the beginning and 121.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.26ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 119.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.29ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 103.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1741.57ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 102.3MB in the beginning and 158.5MB in the end (delta: -56.1MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. * Witness Printer took 77.37ms. Allocated memory is still 199.2MB. Free memory was 158.5MB in the beginning and 153.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 1.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 381 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.3s 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, 0.4s 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! [2024-11-20 13:54:28,731 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