./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-lamport.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-lamport.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 7641d1105b9de7b20c96680ae1baa82cbf27158c037dacb66ff49f347bd2fa94 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:44:47,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:44:48,029 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:44:48,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:44:48,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:44:48,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:44:48,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:44:48,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:44:48,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:44:48,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:44:48,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:44:48,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:44:48,066 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:44:48,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:44:48,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:44:48,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:44:48,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:44:48,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:44:48,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:44:48,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:44:48,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:44:48,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:44:48,072 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:44:48,072 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:44:48,072 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:44:48,073 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:44:48,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:44:48,073 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:44:48,073 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:44:48,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:44:48,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:44:48,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:44:48,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:44:48,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:44:48,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:44:48,075 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:44:48,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:44:48,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:44:48,075 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:44:48,075 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:44:48,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:44:48,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7641d1105b9de7b20c96680ae1baa82cbf27158c037dacb66ff49f347bd2fa94 [2024-11-16 23:44:48,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:44:48,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:44:48,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:44:48,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:44:48,355 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:44:48,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2024-11-16 23:44:49,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:44:50,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:44:50,032 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2024-11-16 23:44:50,040 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43eba982c/ad2846e800e14b9193a284dfb76f014a/FLAGce1ca239b [2024-11-16 23:44:50,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43eba982c/ad2846e800e14b9193a284dfb76f014a [2024-11-16 23:44:50,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:44:50,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:44:50,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:44:50,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:44:50,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:44:50,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1543ff13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50, skipping insertion in model container [2024-11-16 23:44:50,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:44:50,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:44:50,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:44:50,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:44:50,447 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:44:50,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50 WrapperNode [2024-11-16 23:44:50,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:44:50,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:44:50,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:44:50,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:44:50,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,546 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 247 [2024-11-16 23:44:50,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:44:50,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:44:50,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:44:50,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:44:50,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,585 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:44:50,594 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:44:50,594 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:44:50,594 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:44:50,595 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50" (1/1) ... [2024-11-16 23:44:50,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:44:50,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:44:50,640 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) [2024-11-16 23:44:50,647 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 [2024-11-16 23:44:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:44:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:44:50,692 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:44:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:44:50,692 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:44:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:44:50,693 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:44:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:44:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:44:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:44:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:44:50,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:44:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:44:50,696 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:44:50,831 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:44:50,833 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:44:51,259 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:44:51,259 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:44:51,315 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:44:51,317 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:44:51,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:44:51 BoogieIcfgContainer [2024-11-16 23:44:51,318 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:44:51,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:44:51,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:44:51,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:44:51,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:44:50" (1/3) ... [2024-11-16 23:44:51,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ba34ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:44:51, skipping insertion in model container [2024-11-16 23:44:51,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:50" (2/3) ... [2024-11-16 23:44:51,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ba34ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:44:51, skipping insertion in model container [2024-11-16 23:44:51,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:44:51" (3/3) ... [2024-11-16 23:44:51,331 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2024-11-16 23:44:51,350 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:44:51,351 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-16 23:44:51,351 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:44:51,479 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-16 23:44:51,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 292 places, 297 transitions, 615 flow [2024-11-16 23:44:51,640 INFO L124 PetriNetUnfolderBase]: 15/294 cut-off events. [2024-11-16 23:44:51,640 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:44:51,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 294 events. 15/294 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 394 event pairs, 0 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 239. Up to 2 conditions per place. [2024-11-16 23:44:51,652 INFO L82 GeneralOperation]: Start removeDead. Operand has 292 places, 297 transitions, 615 flow [2024-11-16 23:44:51,661 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 273 places, 277 transitions, 569 flow [2024-11-16 23:44:51,672 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:44:51,682 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;@6c820db7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:44:51,682 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-11-16 23:44:51,701 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:44:51,705 INFO L124 PetriNetUnfolderBase]: 3/86 cut-off events. [2024-11-16 23:44:51,705 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:44:51,705 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:51,706 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] [2024-11-16 23:44:51,707 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-16 23:44:51,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:51,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1719486000, now seen corresponding path program 1 times [2024-11-16 23:44:51,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:51,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469993195] [2024-11-16 23:44:51,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:51,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:51,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:51,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469993195] [2024-11-16 23:44:51,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469993195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:51,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:51,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:51,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449009512] [2024-11-16 23:44:51,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:51,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:44:51,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:52,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:44:52,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:44:52,035 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 297 [2024-11-16 23:44:52,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 277 transitions, 569 flow. Second operand has 2 states, 2 states have (on average 256.0) internal successors, (512), 2 states have internal predecessors, (512), 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) [2024-11-16 23:44:52,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:52,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 297 [2024-11-16 23:44:52,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:52,604 INFO L124 PetriNetUnfolderBase]: 329/2340 cut-off events. [2024-11-16 23:44:52,604 INFO L125 PetriNetUnfolderBase]: For 129/129 co-relation queries the response was YES. [2024-11-16 23:44:52,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3047 conditions, 2340 events. 329/2340 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 18453 event pairs, 328 based on Foata normal form. 229/2263 useless extension candidates. Maximal degree in co-relation 2819. Up to 565 conditions per place. [2024-11-16 23:44:52,632 INFO L140 encePairwiseOnDemand]: 284/297 looper letters, 28 selfloop transitions, 0 changer transitions 4/264 dead transitions. [2024-11-16 23:44:52,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 264 transitions, 599 flow [2024-11-16 23:44:52,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:44:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:44:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 547 transitions. [2024-11-16 23:44:52,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9208754208754208 [2024-11-16 23:44:52,653 INFO L175 Difference]: Start difference. First operand has 273 places, 277 transitions, 569 flow. Second operand 2 states and 547 transitions. [2024-11-16 23:44:52,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 264 transitions, 599 flow [2024-11-16 23:44:52,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 264 transitions, 590 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:44:52,667 INFO L231 Difference]: Finished difference. Result has 269 places, 260 transitions, 526 flow [2024-11-16 23:44:52,670 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=297, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=526, PETRI_PLACES=269, PETRI_TRANSITIONS=260} [2024-11-16 23:44:52,673 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, -4 predicate places. [2024-11-16 23:44:52,674 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 260 transitions, 526 flow [2024-11-16 23:44:52,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 256.0) internal successors, (512), 2 states have internal predecessors, (512), 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) [2024-11-16 23:44:52,676 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:52,676 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] [2024-11-16 23:44:52,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:44:52,677 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-16 23:44:52,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:52,677 INFO L85 PathProgramCache]: Analyzing trace with hash 174820109, now seen corresponding path program 1 times [2024-11-16 23:44:52,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:52,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751996619] [2024-11-16 23:44:52,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:52,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:52,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:52,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751996619] [2024-11-16 23:44:52,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751996619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:52,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:52,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:52,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623810442] [2024-11-16 23:44:52,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:52,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:52,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:52,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:52,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:52,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 297 [2024-11-16 23:44:52,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 260 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2024-11-16 23:44:52,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:52,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 297 [2024-11-16 23:44:52,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:53,682 INFO L124 PetriNetUnfolderBase]: 688/3861 cut-off events. [2024-11-16 23:44:53,682 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-16 23:44:53,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5139 conditions, 3861 events. 688/3861 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 34868 event pairs, 687 based on Foata normal form. 0/3389 useless extension candidates. Maximal degree in co-relation 5136. Up to 1137 conditions per place. [2024-11-16 23:44:53,716 INFO L140 encePairwiseOnDemand]: 294/297 looper letters, 35 selfloop transitions, 2 changer transitions 0/259 dead transitions. [2024-11-16 23:44:53,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 259 transitions, 598 flow [2024-11-16 23:44:53,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:53,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 764 transitions. [2024-11-16 23:44:53,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8574635241301908 [2024-11-16 23:44:53,721 INFO L175 Difference]: Start difference. First operand has 269 places, 260 transitions, 526 flow. Second operand 3 states and 764 transitions. [2024-11-16 23:44:53,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 259 transitions, 598 flow [2024-11-16 23:44:53,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 259 transitions, 598 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:44:53,731 INFO L231 Difference]: Finished difference. Result has 266 places, 259 transitions, 528 flow [2024-11-16 23:44:53,731 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=297, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=528, PETRI_PLACES=266, PETRI_TRANSITIONS=259} [2024-11-16 23:44:53,732 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, -7 predicate places. [2024-11-16 23:44:53,732 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 259 transitions, 528 flow [2024-11-16 23:44:53,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2024-11-16 23:44:53,733 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:53,733 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] [2024-11-16 23:44:53,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:44:53,734 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-16 23:44:53,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:53,734 INFO L85 PathProgramCache]: Analyzing trace with hash -650476866, now seen corresponding path program 1 times [2024-11-16 23:44:53,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:53,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099747464] [2024-11-16 23:44:53,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:53,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:54,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:54,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099747464] [2024-11-16 23:44:54,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099747464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:54,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:54,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:44:54,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115961991] [2024-11-16 23:44:54,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:54,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:44:54,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:54,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:44:54,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:44:54,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 297 [2024-11-16 23:44:54,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 259 transitions, 528 flow. Second operand has 6 states, 6 states have (on average 225.33333333333334) internal successors, (1352), 6 states have internal predecessors, (1352), 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) [2024-11-16 23:44:54,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:54,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 297 [2024-11-16 23:44:54,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:56,013 INFO L124 PetriNetUnfolderBase]: 2761/8661 cut-off events. [2024-11-16 23:44:56,013 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2024-11-16 23:44:56,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13298 conditions, 8661 events. 2761/8661 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 80883 event pairs, 2760 based on Foata normal form. 0/7642 useless extension candidates. Maximal degree in co-relation 13294. Up to 4373 conditions per place. [2024-11-16 23:44:56,171 INFO L140 encePairwiseOnDemand]: 291/297 looper letters, 52 selfloop transitions, 5 changer transitions 0/258 dead transitions. [2024-11-16 23:44:56,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 258 transitions, 640 flow [2024-11-16 23:44:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:44:56,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:44:56,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1396 transitions. [2024-11-16 23:44:56,175 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7833894500561167 [2024-11-16 23:44:56,175 INFO L175 Difference]: Start difference. First operand has 266 places, 259 transitions, 528 flow. Second operand 6 states and 1396 transitions. [2024-11-16 23:44:56,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 258 transitions, 640 flow [2024-11-16 23:44:56,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 258 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:56,180 INFO L231 Difference]: Finished difference. Result has 268 places, 258 transitions, 532 flow [2024-11-16 23:44:56,181 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=297, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=532, PETRI_PLACES=268, PETRI_TRANSITIONS=258} [2024-11-16 23:44:56,182 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, -5 predicate places. [2024-11-16 23:44:56,182 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 258 transitions, 532 flow [2024-11-16 23:44:56,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.33333333333334) internal successors, (1352), 6 states have internal predecessors, (1352), 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) [2024-11-16 23:44:56,183 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:56,184 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:56,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:44:56,184 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-16 23:44:56,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:56,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1696381836, now seen corresponding path program 1 times [2024-11-16 23:44:56,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:56,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906776917] [2024-11-16 23:44:56,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:56,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:56,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:56,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906776917] [2024-11-16 23:44:56,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906776917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:56,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:56,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:56,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369492265] [2024-11-16 23:44:56,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:56,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:56,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:56,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:56,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:56,293 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 297 [2024-11-16 23:44:56,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 258 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2024-11-16 23:44:56,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:56,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 297 [2024-11-16 23:44:56,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:56,942 INFO L124 PetriNetUnfolderBase]: 1197/5295 cut-off events. [2024-11-16 23:44:56,943 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2024-11-16 23:44:56,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7409 conditions, 5295 events. 1197/5295 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 48383 event pairs, 538 based on Foata normal form. 0/4765 useless extension candidates. Maximal degree in co-relation 7405. Up to 1808 conditions per place. [2024-11-16 23:44:56,980 INFO L140 encePairwiseOnDemand]: 290/297 looper letters, 47 selfloop transitions, 3 changer transitions 0/267 dead transitions. [2024-11-16 23:44:56,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 267 transitions, 653 flow [2024-11-16 23:44:56,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:56,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:56,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 774 transitions. [2024-11-16 23:44:56,982 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8686868686868687 [2024-11-16 23:44:56,983 INFO L175 Difference]: Start difference. First operand has 268 places, 258 transitions, 532 flow. Second operand 3 states and 774 transitions. [2024-11-16 23:44:56,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 267 transitions, 653 flow [2024-11-16 23:44:56,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 267 transitions, 643 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:44:56,989 INFO L231 Difference]: Finished difference. Result has 262 places, 257 transitions, 535 flow [2024-11-16 23:44:56,990 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=297, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=535, PETRI_PLACES=262, PETRI_TRANSITIONS=257} [2024-11-16 23:44:56,992 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, -11 predicate places. [2024-11-16 23:44:56,992 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 257 transitions, 535 flow [2024-11-16 23:44:56,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 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) [2024-11-16 23:44:56,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:56,993 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:56,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:44:56,995 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-16 23:44:56,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:56,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1346157257, now seen corresponding path program 1 times [2024-11-16 23:44:56,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:56,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024303546] [2024-11-16 23:44:56,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:56,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:57,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024303546] [2024-11-16 23:44:57,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024303546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:44:57,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299489667] [2024-11-16 23:44:57,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:44:57,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:44:57,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:44:57,818 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 297 [2024-11-16 23:44:57,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 257 transitions, 535 flow. Second operand has 6 states, 6 states have (on average 237.33333333333334) internal successors, (1424), 6 states have internal predecessors, (1424), 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) [2024-11-16 23:44:57,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 297 [2024-11-16 23:44:57,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:58,617 INFO L124 PetriNetUnfolderBase]: 1397/4278 cut-off events. [2024-11-16 23:44:58,617 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2024-11-16 23:44:58,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6734 conditions, 4278 events. 1397/4278 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 35151 event pairs, 374 based on Foata normal form. 0/3909 useless extension candidates. Maximal degree in co-relation 6730. Up to 651 conditions per place. [2024-11-16 23:44:58,646 INFO L140 encePairwiseOnDemand]: 285/297 looper letters, 87 selfloop transitions, 10 changer transitions 4/311 dead transitions. [2024-11-16 23:44:58,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 311 transitions, 853 flow [2024-11-16 23:44:58,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:44:58,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:44:58,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1507 transitions. [2024-11-16 23:44:58,650 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.845679012345679 [2024-11-16 23:44:58,650 INFO L175 Difference]: Start difference. First operand has 262 places, 257 transitions, 535 flow. Second operand 6 states and 1507 transitions. [2024-11-16 23:44:58,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 311 transitions, 853 flow [2024-11-16 23:44:58,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 311 transitions, 853 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:44:58,655 INFO L231 Difference]: Finished difference. Result has 265 places, 255 transitions, 551 flow [2024-11-16 23:44:58,656 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=297, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=551, PETRI_PLACES=265, PETRI_TRANSITIONS=255} [2024-11-16 23:44:58,659 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, -8 predicate places. [2024-11-16 23:44:58,659 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 255 transitions, 551 flow [2024-11-16 23:44:58,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 237.33333333333334) internal successors, (1424), 6 states have internal predecessors, (1424), 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) [2024-11-16 23:44:58,660 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:58,661 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:58,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:44:58,661 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-16 23:44:58,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:58,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2018636246, now seen corresponding path program 1 times [2024-11-16 23:44:58,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:58,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143234152] [2024-11-16 23:44:58,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:58,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:58,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:58,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:58,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143234152] [2024-11-16 23:44:58,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143234152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:58,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:58,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:44:58,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311080732] [2024-11-16 23:44:58,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:58,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:44:58,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:58,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:44:58,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:44:59,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 297 [2024-11-16 23:44:59,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 255 transitions, 551 flow. Second operand has 6 states, 6 states have (on average 243.66666666666666) internal successors, (1462), 6 states have internal predecessors, (1462), 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) [2024-11-16 23:44:59,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:59,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 297 [2024-11-16 23:44:59,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:59,745 INFO L124 PetriNetUnfolderBase]: 645/2884 cut-off events. [2024-11-16 23:44:59,746 INFO L125 PetriNetUnfolderBase]: For 231/231 co-relation queries the response was YES. [2024-11-16 23:44:59,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4462 conditions, 2884 events. 645/2884 cut-off events. For 231/231 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 24589 event pairs, 215 based on Foata normal form. 0/2616 useless extension candidates. Maximal degree in co-relation 4457. Up to 449 conditions per place. [2024-11-16 23:44:59,772 INFO L140 encePairwiseOnDemand]: 292/297 looper letters, 76 selfloop transitions, 4 changer transitions 0/294 dead transitions. [2024-11-16 23:44:59,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 294 transitions, 817 flow [2024-11-16 23:44:59,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:44:59,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:44:59,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1521 transitions. [2024-11-16 23:44:59,777 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8535353535353535 [2024-11-16 23:44:59,777 INFO L175 Difference]: Start difference. First operand has 265 places, 255 transitions, 551 flow. Second operand 6 states and 1521 transitions. [2024-11-16 23:44:59,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 294 transitions, 817 flow [2024-11-16 23:44:59,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 294 transitions, 781 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:44:59,784 INFO L231 Difference]: Finished difference. Result has 264 places, 254 transitions, 537 flow [2024-11-16 23:44:59,784 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=297, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=537, PETRI_PLACES=264, PETRI_TRANSITIONS=254} [2024-11-16 23:44:59,785 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, -9 predicate places. [2024-11-16 23:44:59,785 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 254 transitions, 537 flow [2024-11-16 23:44:59,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 243.66666666666666) internal successors, (1462), 6 states have internal predecessors, (1462), 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) [2024-11-16 23:44:59,787 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:59,787 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:59,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:44:59,787 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-16 23:44:59,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:59,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1001346495, now seen corresponding path program 1 times [2024-11-16 23:44:59,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:59,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576913641] [2024-11-16 23:44:59,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:59,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:45:00,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:00,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576913641] [2024-11-16 23:45:00,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576913641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:00,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:00,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:45:00,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555579291] [2024-11-16 23:45:00,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:00,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:45:00,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:00,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:45:00,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:45:00,449 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 297 [2024-11-16 23:45:00,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 254 transitions, 537 flow. Second operand has 6 states, 6 states have (on average 243.83333333333334) internal successors, (1463), 6 states have internal predecessors, (1463), 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) [2024-11-16 23:45:00,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:00,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 297 [2024-11-16 23:45:00,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:00,912 INFO L124 PetriNetUnfolderBase]: 677/2971 cut-off events. [2024-11-16 23:45:00,913 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2024-11-16 23:45:00,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4433 conditions, 2971 events. 677/2971 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 25070 event pairs, 256 based on Foata normal form. 0/2705 useless extension candidates. Maximal degree in co-relation 4428. Up to 447 conditions per place. [2024-11-16 23:45:00,933 INFO L140 encePairwiseOnDemand]: 292/297 looper letters, 0 selfloop transitions, 0 changer transitions 293/293 dead transitions. [2024-11-16 23:45:00,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 293 transitions, 787 flow [2024-11-16 23:45:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:45:00,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:45:00,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1521 transitions. [2024-11-16 23:45:00,937 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8535353535353535 [2024-11-16 23:45:00,937 INFO L175 Difference]: Start difference. First operand has 264 places, 254 transitions, 537 flow. Second operand 6 states and 1521 transitions. [2024-11-16 23:45:00,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 293 transitions, 787 flow [2024-11-16 23:45:00,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 293 transitions, 780 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-16 23:45:00,941 INFO L231 Difference]: Finished difference. Result has 264 places, 0 transitions, 0 flow [2024-11-16 23:45:00,941 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=297, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=264, PETRI_TRANSITIONS=0} [2024-11-16 23:45:00,942 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, -9 predicate places. [2024-11-16 23:45:00,942 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 0 transitions, 0 flow [2024-11-16 23:45:00,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 243.83333333333334) internal successors, (1463), 6 states have internal predecessors, (1463), 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) [2024-11-16 23:45:00,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2024-11-16 23:45:00,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2024-11-16 23:45:00,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2024-11-16 23:45:00,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2024-11-16 23:45:00,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2024-11-16 23:45:00,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2024-11-16 23:45:00,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2024-11-16 23:45:00,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2024-11-16 23:45:00,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2024-11-16 23:45:00,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2024-11-16 23:45:00,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 21 remaining) [2024-11-16 23:45:00,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 21 remaining) [2024-11-16 23:45:00,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 21 remaining) [2024-11-16 23:45:00,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2024-11-16 23:45:00,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2024-11-16 23:45:00,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2024-11-16 23:45:00,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2024-11-16 23:45:00,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2024-11-16 23:45:00,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2024-11-16 23:45:00,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2024-11-16 23:45:00,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2024-11-16 23:45:00,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:45:00,949 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:45:00,955 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:45:00,955 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:45:00,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:45:00 BasicIcfg [2024-11-16 23:45:00,963 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:45:00,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:45:00,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:45:00,963 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:45:00,964 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:44:51" (3/4) ... [2024-11-16 23:45:00,966 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:45:00,968 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:45:00,969 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:45:00,969 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-16 23:45:00,972 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-16 23:45:00,973 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:45:00,973 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:45:00,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:45:01,054 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:45:01,055 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:45:01,055 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:45:01,057 INFO L158 Benchmark]: Toolchain (without parser) took 10998.42ms. Allocated memory was 174.1MB in the beginning and 1.1GB in the end (delta: 882.9MB). Free memory was 105.6MB in the beginning and 690.0MB in the end (delta: -584.3MB). Peak memory consumption was 300.1MB. Max. memory is 16.1GB. [2024-11-16 23:45:01,057 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:45:01,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.41ms. Allocated memory is still 174.1MB. Free memory was 105.3MB in the beginning and 147.0MB in the end (delta: -41.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-16 23:45:01,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.68ms. Allocated memory is still 174.1MB. Free memory was 147.0MB in the beginning and 144.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:45:01,058 INFO L158 Benchmark]: Boogie Preprocessor took 42.73ms. Allocated memory is still 174.1MB. Free memory was 144.2MB in the beginning and 142.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:45:01,059 INFO L158 Benchmark]: IcfgBuilder took 724.76ms. Allocated memory is still 174.1MB. Free memory was 142.1MB in the beginning and 114.5MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-16 23:45:01,060 INFO L158 Benchmark]: TraceAbstraction took 9642.15ms. Allocated memory was 174.1MB in the beginning and 1.1GB in the end (delta: 882.9MB). Free memory was 113.3MB in the beginning and 695.2MB in the end (delta: -581.9MB). Peak memory consumption was 766.6MB. Max. memory is 16.1GB. [2024-11-16 23:45:01,063 INFO L158 Benchmark]: Witness Printer took 92.13ms. Allocated memory is still 1.1GB. Free memory was 694.2MB in the beginning and 690.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:45:01,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.41ms. Allocated memory is still 174.1MB. Free memory was 105.3MB in the beginning and 147.0MB in the end (delta: -41.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.68ms. Allocated memory is still 174.1MB. Free memory was 147.0MB in the beginning and 144.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.73ms. Allocated memory is still 174.1MB. Free memory was 144.2MB in the beginning and 142.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 724.76ms. Allocated memory is still 174.1MB. Free memory was 142.1MB in the beginning and 114.5MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9642.15ms. Allocated memory was 174.1MB in the beginning and 1.1GB in the end (delta: 882.9MB). Free memory was 113.3MB in the beginning and 695.2MB in the end (delta: -581.9MB). Peak memory consumption was 766.6MB. Max. memory is 16.1GB. * Witness Printer took 92.13ms. Allocated memory is still 1.1GB. Free memory was 694.2MB in the beginning and 690.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: 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 7 procedures, 422 locations, 21 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: 9.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 628 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 408 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 174 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1585 IncrementalHoareTripleChecker+Invalid, 1759 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 174 mSolverCounterUnsat, 6 mSDtfsCounter, 1585 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=569occurred in iteration=0, InterpolantAutomatonStates: 32, 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, 2.2s InterpolantComputationTime, 693 NumberOfCodeBlocks, 693 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 686 ConstructedInterpolants, 0 QuantifiedInterpolants, 1150 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! [2024-11-16 23:45:01,093 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