./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/ldv-races/race-1_1-join.i --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/ldv-races/race-1_1-join.i -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 ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:39:42,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:39:42,453 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:39:42,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:39:42,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:39:42,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:39:42,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:39:42,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:39:42,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:39:42,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:39:42,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:39:42,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:39:42,497 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:39:42,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:39:42,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:39:42,500 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:39:42,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:39:42,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:39:42,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:39:42,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:39:42,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:39:42,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:39:42,506 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:39:42,506 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:39:42,506 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:39:42,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:39:42,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:39:42,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:39:42,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:39:42,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:39:42,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:39:42,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:39:42,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:39:42,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:39:42,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:39:42,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:39:42,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:39:42,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:39:42,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:39:42,513 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:39:42,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:39:42,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 [2024-11-20 13:39:42,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:39:42,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:39:42,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:39:42,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:39:42,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:39:42,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2024-11-20 13:39:44,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:39:44,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:39:44,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2024-11-20 13:39:44,605 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756e48db4/dc3cd25afb0e442cb294859ad4295c13/FLAG505cbe70a [2024-11-20 13:39:44,829 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756e48db4/dc3cd25afb0e442cb294859ad4295c13 [2024-11-20 13:39:44,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:39:44,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:39:44,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:39:44,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:39:44,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:39:44,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:39:44" (1/1) ... [2024-11-20 13:39:44,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5d96ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:44, skipping insertion in model container [2024-11-20 13:39:44,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:39:44" (1/1) ... [2024-11-20 13:39:44,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:39:45,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:39:45,571 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:39:45,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:39:45,862 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:39:45,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45 WrapperNode [2024-11-20 13:39:45,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:39:45,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:39:45,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:39:45,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:39:45,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45" (1/1) ... [2024-11-20 13:39:45,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45" (1/1) ... [2024-11-20 13:39:45,946 INFO L138 Inliner]: procedures = 481, calls = 25, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 128 [2024-11-20 13:39:45,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:39:45,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:39:45,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:39:45,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:39:45,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45" (1/1) ... [2024-11-20 13:39:45,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45" (1/1) ... [2024-11-20 13:39:45,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45" (1/1) ... [2024-11-20 13:39:45,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45" (1/1) ... [2024-11-20 13:39:45,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45" (1/1) ... [2024-11-20 13:39:45,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45" (1/1) ... [2024-11-20 13:39:45,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45" (1/1) ... [2024-11-20 13:39:45,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45" (1/1) ... [2024-11-20 13:39:46,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:39:46,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:39:46,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:39:46,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:39:46,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45" (1/1) ... [2024-11-20 13:39:46,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:39:46,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:39:46,044 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 13:39:46,046 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 13:39:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 13:39:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-20 13:39:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:39:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-20 13:39:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:39:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:39:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 13:39:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-20 13:39:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 13:39:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 13:39:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:39:46,088 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 13:39:46,338 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:39:46,340 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:39:46,590 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:39:46,591 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:39:46,613 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:39:46,613 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 13:39:46,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:39:46 BoogieIcfgContainer [2024-11-20 13:39:46,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:39:46,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:39:46,621 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:39:46,627 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:39:46,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:39:44" (1/3) ... [2024-11-20 13:39:46,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b474176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:39:46, skipping insertion in model container [2024-11-20 13:39:46,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:39:45" (2/3) ... [2024-11-20 13:39:46,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b474176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:39:46, skipping insertion in model container [2024-11-20 13:39:46,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:39:46" (3/3) ... [2024-11-20 13:39:46,632 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2024-11-20 13:39:46,650 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:39:46,650 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-20 13:39:46,651 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:39:46,723 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-20 13:39:46,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 157 transitions, 321 flow [2024-11-20 13:39:46,828 INFO L124 PetriNetUnfolderBase]: 9/172 cut-off events. [2024-11-20 13:39:46,828 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:39:46,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 172 events. 9/172 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 288 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2024-11-20 13:39:46,840 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 157 transitions, 321 flow [2024-11-20 13:39:46,849 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 139 transitions, 284 flow [2024-11-20 13:39:46,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:39:46,869 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;@1134a7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:39:46,869 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-20 13:39:46,879 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:39:46,880 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-20 13:39:46,880 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:39:46,880 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:39:46,881 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] [2024-11-20 13:39:46,882 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-20 13:39:46,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:39:46,889 INFO L85 PathProgramCache]: Analyzing trace with hash 395902475, now seen corresponding path program 1 times [2024-11-20 13:39:46,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:39:46,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792181082] [2024-11-20 13:39:46,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:39:46,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:39:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:39:47,364 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 13:39:47,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:39:47,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792181082] [2024-11-20 13:39:47,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792181082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:39:47,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:39:47,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:39:47,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578010381] [2024-11-20 13:39:47,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:39:47,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:39:47,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:39:47,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:39:47,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:39:47,478 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2024-11-20 13:39:47,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 139 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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 13:39:47,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:39:47,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2024-11-20 13:39:47,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:39:47,558 INFO L124 PetriNetUnfolderBase]: 4/170 cut-off events. [2024-11-20 13:39:47,558 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-20 13:39:47,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 170 events. 4/170 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 383 event pairs, 4 based on Foata normal form. 8/159 useless extension candidates. Maximal degree in co-relation 86. Up to 25 conditions per place. [2024-11-20 13:39:47,560 INFO L140 encePairwiseOnDemand]: 148/157 looper letters, 15 selfloop transitions, 2 changer transitions 6/126 dead transitions. [2024-11-20 13:39:47,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 126 transitions, 292 flow [2024-11-20 13:39:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:39:47,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:39:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 405 transitions. [2024-11-20 13:39:47,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8598726114649682 [2024-11-20 13:39:47,578 INFO L175 Difference]: Start difference. First operand has 136 places, 139 transitions, 284 flow. Second operand 3 states and 405 transitions. [2024-11-20 13:39:47,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 126 transitions, 292 flow [2024-11-20 13:39:47,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 126 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:39:47,586 INFO L231 Difference]: Finished difference. Result has 129 places, 120 transitions, 246 flow [2024-11-20 13:39:47,589 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=129, PETRI_TRANSITIONS=120} [2024-11-20 13:39:47,594 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -7 predicate places. [2024-11-20 13:39:47,595 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 120 transitions, 246 flow [2024-11-20 13:39:47,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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 13:39:47,596 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:39:47,596 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] [2024-11-20 13:39:47,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:39:47,597 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-20 13:39:47,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:39:47,598 INFO L85 PathProgramCache]: Analyzing trace with hash 350773260, now seen corresponding path program 1 times [2024-11-20 13:39:47,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:39:47,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086449617] [2024-11-20 13:39:47,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:39:47,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:39:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:39:47,713 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 13:39:47,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:39:47,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086449617] [2024-11-20 13:39:47,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086449617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:39:47,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:39:47,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:39:47,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863423577] [2024-11-20 13:39:47,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:39:47,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:39:47,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:39:47,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:39:47,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:39:47,769 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 157 [2024-11-20 13:39:47,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 120 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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 13:39:47,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:39:47,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 157 [2024-11-20 13:39:47,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:39:47,799 INFO L124 PetriNetUnfolderBase]: 0/132 cut-off events. [2024-11-20 13:39:47,799 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:39:47,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 132 events. 0/132 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 209 event pairs, 0 based on Foata normal form. 1/123 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2024-11-20 13:39:47,800 INFO L140 encePairwiseOnDemand]: 146/157 looper letters, 8 selfloop transitions, 6 changer transitions 3/116 dead transitions. [2024-11-20 13:39:47,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 116 transitions, 268 flow [2024-11-20 13:39:47,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:39:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:39:47,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2024-11-20 13:39:47,804 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8365180467091295 [2024-11-20 13:39:47,804 INFO L175 Difference]: Start difference. First operand has 129 places, 120 transitions, 246 flow. Second operand 3 states and 394 transitions. [2024-11-20 13:39:47,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 116 transitions, 268 flow [2024-11-20 13:39:47,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 116 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:39:47,808 INFO L231 Difference]: Finished difference. Result has 119 places, 113 transitions, 240 flow [2024-11-20 13:39:47,808 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=119, PETRI_TRANSITIONS=113} [2024-11-20 13:39:47,809 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -17 predicate places. [2024-11-20 13:39:47,809 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 113 transitions, 240 flow [2024-11-20 13:39:47,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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 13:39:47,809 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:39:47,810 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:39:47,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:39:47,810 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-20 13:39:47,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:39:47,811 INFO L85 PathProgramCache]: Analyzing trace with hash 71743550, now seen corresponding path program 1 times [2024-11-20 13:39:47,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:39:47,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167139577] [2024-11-20 13:39:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:39:47,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:39:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:39:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:39:47,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:39:47,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167139577] [2024-11-20 13:39:47,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167139577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:39:47,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:39:47,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:39:47,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227914534] [2024-11-20 13:39:47,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:39:47,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:39:47,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:39:47,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:39:47,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:39:47,947 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2024-11-20 13:39:47,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 113 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 13:39:47,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:39:47,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2024-11-20 13:39:47,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:39:47,995 INFO L124 PetriNetUnfolderBase]: 4/155 cut-off events. [2024-11-20 13:39:47,996 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-20 13:39:47,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 155 events. 4/155 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 340 event pairs, 4 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 60. Up to 24 conditions per place. [2024-11-20 13:39:47,997 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 14 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2024-11-20 13:39:47,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 112 transitions, 270 flow [2024-11-20 13:39:47,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:39:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:39:47,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 398 transitions. [2024-11-20 13:39:47,999 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8450106157112527 [2024-11-20 13:39:47,999 INFO L175 Difference]: Start difference. First operand has 119 places, 113 transitions, 240 flow. Second operand 3 states and 398 transitions. [2024-11-20 13:39:47,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 112 transitions, 270 flow [2024-11-20 13:39:48,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:39:48,002 INFO L231 Difference]: Finished difference. Result has 115 places, 112 transitions, 230 flow [2024-11-20 13:39:48,003 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=115, PETRI_TRANSITIONS=112} [2024-11-20 13:39:48,003 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -21 predicate places. [2024-11-20 13:39:48,004 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 112 transitions, 230 flow [2024-11-20 13:39:48,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 13:39:48,004 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:39:48,004 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] [2024-11-20 13:39:48,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:39:48,005 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-20 13:39:48,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:39:48,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1466493539, now seen corresponding path program 1 times [2024-11-20 13:39:48,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:39:48,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20996299] [2024-11-20 13:39:48,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:39:48,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:39:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:39:48,081 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 13:39:48,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:39:48,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20996299] [2024-11-20 13:39:48,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20996299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:39:48,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:39:48,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:39:48,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086677323] [2024-11-20 13:39:48,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:39:48,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:39:48,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:39:48,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:39:48,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:39:48,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 157 [2024-11-20 13:39:48,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 112 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 13:39:48,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:39:48,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 157 [2024-11-20 13:39:48,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:39:48,130 INFO L124 PetriNetUnfolderBase]: 6/171 cut-off events. [2024-11-20 13:39:48,130 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:39:48,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 171 events. 6/171 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 411 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 167. Up to 21 conditions per place. [2024-11-20 13:39:48,132 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 11 selfloop transitions, 2 changer transitions 0/113 dead transitions. [2024-11-20 13:39:48,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 113 transitions, 258 flow [2024-11-20 13:39:48,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:39:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:39:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 413 transitions. [2024-11-20 13:39:48,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8768577494692145 [2024-11-20 13:39:48,134 INFO L175 Difference]: Start difference. First operand has 115 places, 112 transitions, 230 flow. Second operand 3 states and 413 transitions. [2024-11-20 13:39:48,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 113 transitions, 258 flow [2024-11-20 13:39:48,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 113 transitions, 254 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:39:48,137 INFO L231 Difference]: Finished difference. Result has 114 places, 111 transitions, 228 flow [2024-11-20 13:39:48,137 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=114, PETRI_TRANSITIONS=111} [2024-11-20 13:39:48,138 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -22 predicate places. [2024-11-20 13:39:48,138 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 111 transitions, 228 flow [2024-11-20 13:39:48,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 13:39:48,139 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:39:48,139 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:39:48,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:39:48,140 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-20 13:39:48,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:39:48,140 INFO L85 PathProgramCache]: Analyzing trace with hash 844134307, now seen corresponding path program 1 times [2024-11-20 13:39:48,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:39:48,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755401631] [2024-11-20 13:39:48,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:39:48,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:39:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:39:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:39:48,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:39:48,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755401631] [2024-11-20 13:39:48,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755401631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:39:48,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:39:48,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:39:48,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465769605] [2024-11-20 13:39:48,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:39:48,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:39:48,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:39:48,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:39:48,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:39:48,284 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 157 [2024-11-20 13:39:48,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 111 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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 13:39:48,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:39:48,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 157 [2024-11-20 13:39:48,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:39:48,312 INFO L124 PetriNetUnfolderBase]: 0/126 cut-off events. [2024-11-20 13:39:48,312 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:39:48,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 126 events. 0/126 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 198 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2024-11-20 13:39:48,313 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 12 selfloop transitions, 2 changer transitions 6/110 dead transitions. [2024-11-20 13:39:48,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 110 transitions, 254 flow [2024-11-20 13:39:48,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:39:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:39:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 402 transitions. [2024-11-20 13:39:48,315 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8535031847133758 [2024-11-20 13:39:48,315 INFO L175 Difference]: Start difference. First operand has 114 places, 111 transitions, 228 flow. Second operand 3 states and 402 transitions. [2024-11-20 13:39:48,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 110 transitions, 254 flow [2024-11-20 13:39:48,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 110 transitions, 250 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:39:48,321 INFO L231 Difference]: Finished difference. Result has 113 places, 104 transitions, 214 flow [2024-11-20 13:39:48,321 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=113, PETRI_TRANSITIONS=104} [2024-11-20 13:39:48,322 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -23 predicate places. [2024-11-20 13:39:48,323 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 104 transitions, 214 flow [2024-11-20 13:39:48,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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 13:39:48,324 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:39:48,324 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] [2024-11-20 13:39:48,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:39:48,324 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-20 13:39:48,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:39:48,325 INFO L85 PathProgramCache]: Analyzing trace with hash 714389470, now seen corresponding path program 1 times [2024-11-20 13:39:48,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:39:48,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101592510] [2024-11-20 13:39:48,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:39:48,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:39:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:39:48,420 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 13:39:48,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:39:48,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101592510] [2024-11-20 13:39:48,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101592510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:39:48,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:39:48,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:39:48,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098286316] [2024-11-20 13:39:48,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:39:48,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:39:48,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:39:48,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:39:48,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:39:48,432 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 157 [2024-11-20 13:39:48,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 104 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 13:39:48,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:39:48,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 157 [2024-11-20 13:39:48,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:39:48,456 INFO L124 PetriNetUnfolderBase]: 4/123 cut-off events. [2024-11-20 13:39:48,456 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-20 13:39:48,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 123 events. 4/123 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 150 event pairs, 1 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 103. Up to 13 conditions per place. [2024-11-20 13:39:48,457 INFO L140 encePairwiseOnDemand]: 155/157 looper letters, 8 selfloop transitions, 1 changer transitions 19/105 dead transitions. [2024-11-20 13:39:48,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 105 transitions, 234 flow [2024-11-20 13:39:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:39:48,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:39:48,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2024-11-20 13:39:48,461 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8938428874734607 [2024-11-20 13:39:48,461 INFO L175 Difference]: Start difference. First operand has 113 places, 104 transitions, 214 flow. Second operand 3 states and 421 transitions. [2024-11-20 13:39:48,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 105 transitions, 234 flow [2024-11-20 13:39:48,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 105 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:39:48,464 INFO L231 Difference]: Finished difference. Result has 106 places, 84 transitions, 172 flow [2024-11-20 13:39:48,466 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=106, PETRI_TRANSITIONS=84} [2024-11-20 13:39:48,467 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -30 predicate places. [2024-11-20 13:39:48,467 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 84 transitions, 172 flow [2024-11-20 13:39:48,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 13:39:48,468 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:39:48,468 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, 1] [2024-11-20 13:39:48,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:39:48,468 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-20 13:39:48,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:39:48,469 INFO L85 PathProgramCache]: Analyzing trace with hash 826849090, now seen corresponding path program 1 times [2024-11-20 13:39:48,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:39:48,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144850487] [2024-11-20 13:39:48,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:39:48,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:39:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:39:48,570 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 13:39:48,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:39:48,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144850487] [2024-11-20 13:39:48,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144850487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:39:48,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:39:48,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:39:48,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360386820] [2024-11-20 13:39:48,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:39:48,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:39:48,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:39:48,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:39:48,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:39:48,621 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2024-11-20 13:39:48,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 84 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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 13:39:48,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:39:48,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2024-11-20 13:39:48,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:39:48,640 INFO L124 PetriNetUnfolderBase]: 4/106 cut-off events. [2024-11-20 13:39:48,640 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:39:48,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 106 events. 4/106 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 110 event pairs, 4 based on Foata normal form. 1/104 useless extension candidates. Maximal degree in co-relation 115. Up to 19 conditions per place. [2024-11-20 13:39:48,641 INFO L140 encePairwiseOnDemand]: 155/157 looper letters, 0 selfloop transitions, 0 changer transitions 83/83 dead transitions. [2024-11-20 13:39:48,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 83 transitions, 192 flow [2024-11-20 13:39:48,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:39:48,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:39:48,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2024-11-20 13:39:48,643 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8343949044585988 [2024-11-20 13:39:48,643 INFO L175 Difference]: Start difference. First operand has 106 places, 84 transitions, 172 flow. Second operand 3 states and 393 transitions. [2024-11-20 13:39:48,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 83 transitions, 192 flow [2024-11-20 13:39:48,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 83 transitions, 191 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:39:48,644 INFO L231 Difference]: Finished difference. Result has 88 places, 0 transitions, 0 flow [2024-11-20 13:39:48,644 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=88, PETRI_TRANSITIONS=0} [2024-11-20 13:39:48,645 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -48 predicate places. [2024-11-20 13:39:48,645 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 0 transitions, 0 flow [2024-11-20 13:39:48,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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 13:39:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-11-20 13:39:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-20 13:39:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-11-20 13:39:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-20 13:39:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-11-20 13:39:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-11-20 13:39:48,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-11-20 13:39:48,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-11-20 13:39:48,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-11-20 13:39:48,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-20 13:39:48,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining) [2024-11-20 13:39:48,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-11-20 13:39:48,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-20 13:39:48,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:39:48,654 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:39:48,660 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:39:48,660 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:39:48,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:39:48 BasicIcfg [2024-11-20 13:39:48,670 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:39:48,671 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:39:48,671 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:39:48,672 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:39:48,672 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:39:46" (3/4) ... [2024-11-20 13:39:48,674 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:39:48,676 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-20 13:39:48,683 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-20 13:39:48,684 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 13:39:48,684 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:39:48,684 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:39:48,788 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:39:48,789 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:39:48,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:39:48,789 INFO L158 Benchmark]: Toolchain (without parser) took 3956.11ms. Allocated memory was 178.3MB in the beginning and 228.6MB in the end (delta: 50.3MB). Free memory was 123.5MB in the beginning and 117.0MB in the end (delta: 6.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-11-20 13:39:48,790 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:39:48,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1028.88ms. Allocated memory is still 178.3MB. Free memory was 123.2MB in the beginning and 106.8MB in the end (delta: 16.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-20 13:39:48,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.55ms. Allocated memory is still 178.3MB. Free memory was 106.8MB in the beginning and 103.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:39:48,790 INFO L158 Benchmark]: Boogie Preprocessor took 56.75ms. Allocated memory is still 178.3MB. Free memory was 103.7MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:39:48,790 INFO L158 Benchmark]: RCFGBuilder took 609.11ms. Allocated memory is still 178.3MB. Free memory was 100.5MB in the beginning and 78.2MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-20 13:39:48,791 INFO L158 Benchmark]: TraceAbstraction took 2050.05ms. Allocated memory was 178.3MB in the beginning and 228.6MB in the end (delta: 50.3MB). Free memory was 77.4MB in the beginning and 122.3MB in the end (delta: -44.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-20 13:39:48,791 INFO L158 Benchmark]: Witness Printer took 117.67ms. Allocated memory is still 228.6MB. Free memory was 122.3MB in the beginning and 117.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 13:39:48,794 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1028.88ms. Allocated memory is still 178.3MB. Free memory was 123.2MB in the beginning and 106.8MB in the end (delta: 16.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.55ms. Allocated memory is still 178.3MB. Free memory was 106.8MB in the beginning and 103.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.75ms. Allocated memory is still 178.3MB. Free memory was 103.7MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 609.11ms. Allocated memory is still 178.3MB. Free memory was 100.5MB in the beginning and 78.2MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2050.05ms. Allocated memory was 178.3MB in the beginning and 228.6MB in the end (delta: 50.3MB). Free memory was 77.4MB in the beginning and 122.3MB in the end (delta: -44.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 117.67ms. Allocated memory is still 228.6MB. Free memory was 122.3MB in the beginning and 117.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: 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 3 procedures, 177 locations, 13 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: 1.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 286 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 291 IncrementalHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 35 mSDtfsCounter, 291 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:39:48,820 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