./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.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 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:59:43,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:59:43,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:59:43,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:59:43,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:59:43,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:59:43,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:59:43,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:59:43,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:59:43,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:59:43,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:59:43,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:59:43,968 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:59:43,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:59:43,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:59:43,971 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:59:43,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:59:43,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:59:43,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:59:43,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:59:43,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:59:43,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:59:43,974 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:59:43,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:59:43,979 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:59:43,979 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:59:43,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:59:43,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:59:43,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:59:43,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:59:43,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:59:43,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:59:43,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:59:43,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:59:43,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:59:43,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:59:43,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:59:43,984 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:59:43,984 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:59:43,985 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:59:43,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:59:43,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 [2024-10-13 09:59:44,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:59:44,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:59:44,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:59:44,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:59:44,293 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:59:44,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-10-13 09:59:45,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:59:46,035 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:59:46,036 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-10-13 09:59:46,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041a045ad/d1ba0815442848a8994d247134e4a45c/FLAGa1bd0955f [2024-10-13 09:59:46,391 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041a045ad/d1ba0815442848a8994d247134e4a45c [2024-10-13 09:59:46,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:59:46,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:59:46,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:59:46,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:59:46,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:59:46,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746bb498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46, skipping insertion in model container [2024-10-13 09:59:46,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:59:46,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:59:46,647 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:59:46,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:59:46,694 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:59:46,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46 WrapperNode [2024-10-13 09:59:46,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:59:46,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:59:46,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:59:46,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:59:46,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,732 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2024-10-13 09:59:46,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:59:46,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:59:46,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:59:46,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:59:46,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:59:46,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:59:46,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:59:46,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:59:46,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46" (1/1) ... [2024-10-13 09:59:46,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:59:46,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:59:46,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 09:59:46,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 09:59:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:59:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 09:59:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 09:59:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 09:59:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 09:59:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:59:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 09:59:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 09:59:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:59:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:59:46,842 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:59:46,924 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:59:46,926 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:59:47,246 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:59:47,246 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:59:47,448 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:59:47,449 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 09:59:47,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:59:47 BoogieIcfgContainer [2024-10-13 09:59:47,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:59:47,451 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:59:47,452 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:59:47,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:59:47,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:59:46" (1/3) ... [2024-10-13 09:59:47,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2017ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:59:47, skipping insertion in model container [2024-10-13 09:59:47,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:46" (2/3) ... [2024-10-13 09:59:47,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2017ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:59:47, skipping insertion in model container [2024-10-13 09:59:47,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:59:47" (3/3) ... [2024-10-13 09:59:47,460 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2024-10-13 09:59:47,480 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:59:47,481 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-10-13 09:59:47,481 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:59:47,558 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-13 09:59:47,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 143 places, 144 transitions, 302 flow [2024-10-13 09:59:47,640 INFO L124 PetriNetUnfolderBase]: 8/142 cut-off events. [2024-10-13 09:59:47,640 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 09:59:47,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 142 events. 8/142 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 126 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2024-10-13 09:59:47,646 INFO L82 GeneralOperation]: Start removeDead. Operand has 143 places, 144 transitions, 302 flow [2024-10-13 09:59:47,654 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 125 transitions, 262 flow [2024-10-13 09:59:47,662 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:59:47,669 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;@8346b38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:59:47,669 INFO L334 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2024-10-13 09:59:47,679 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:59:47,680 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-10-13 09:59:47,680 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:59:47,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:47,681 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] [2024-10-13 09:59:47,681 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-10-13 09:59:47,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:47,690 INFO L85 PathProgramCache]: Analyzing trace with hash -452447026, now seen corresponding path program 1 times [2024-10-13 09:59:47,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:47,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628560532] [2024-10-13 09:59:47,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:47,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:47,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:47,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628560532] [2024-10-13 09:59:47,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628560532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:47,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:47,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:47,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063312460] [2024-10-13 09:59:47,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:47,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:47,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:47,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:47,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:47,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 144 [2024-10-13 09:59:47,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 125 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:47,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:47,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 144 [2024-10-13 09:59:47,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:48,087 INFO L124 PetriNetUnfolderBase]: 26/151 cut-off events. [2024-10-13 09:59:48,087 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-10-13 09:59:48,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 151 events. 26/151 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 207 event pairs, 11 based on Foata normal form. 10/137 useless extension candidates. Maximal degree in co-relation 105. Up to 51 conditions per place. [2024-10-13 09:59:48,094 INFO L140 encePairwiseOnDemand]: 123/144 looper letters, 17 selfloop transitions, 2 changer transitions 1/106 dead transitions. [2024-10-13 09:59:48,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 106 transitions, 262 flow [2024-10-13 09:59:48,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:48,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 347 transitions. [2024-10-13 09:59:48,111 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8032407407407407 [2024-10-13 09:59:48,112 INFO L175 Difference]: Start difference. First operand has 125 places, 125 transitions, 262 flow. Second operand 3 states and 347 transitions. [2024-10-13 09:59:48,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 106 transitions, 262 flow [2024-10-13 09:59:48,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 106 transitions, 254 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-13 09:59:48,120 INFO L231 Difference]: Finished difference. Result has 107 places, 105 transitions, 218 flow [2024-10-13 09:59:48,123 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=107, PETRI_TRANSITIONS=105} [2024-10-13 09:59:48,127 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -18 predicate places. [2024-10-13 09:59:48,127 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 105 transitions, 218 flow [2024-10-13 09:59:48,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:48,129 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:48,129 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] [2024-10-13 09:59:48,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:59:48,130 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-10-13 09:59:48,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:48,132 INFO L85 PathProgramCache]: Analyzing trace with hash 406154070, now seen corresponding path program 1 times [2024-10-13 09:59:48,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:48,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609265883] [2024-10-13 09:59:48,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:48,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:48,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:48,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:48,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609265883] [2024-10-13 09:59:48,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609265883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:48,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:48,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:48,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219047321] [2024-10-13 09:59:48,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:48,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:48,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:48,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:48,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:48,248 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 144 [2024-10-13 09:59:48,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 105 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:48,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:48,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 144 [2024-10-13 09:59:48,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:48,317 INFO L124 PetriNetUnfolderBase]: 26/149 cut-off events. [2024-10-13 09:59:48,317 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-13 09:59:48,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 149 events. 26/149 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 206 event pairs, 11 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 182. Up to 51 conditions per place. [2024-10-13 09:59:48,320 INFO L140 encePairwiseOnDemand]: 141/144 looper letters, 17 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2024-10-13 09:59:48,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 104 transitions, 254 flow [2024-10-13 09:59:48,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:48,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 329 transitions. [2024-10-13 09:59:48,326 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7615740740740741 [2024-10-13 09:59:48,326 INFO L175 Difference]: Start difference. First operand has 107 places, 105 transitions, 218 flow. Second operand 3 states and 329 transitions. [2024-10-13 09:59:48,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 104 transitions, 254 flow [2024-10-13 09:59:48,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 104 transitions, 250 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:48,330 INFO L231 Difference]: Finished difference. Result has 105 places, 104 transitions, 216 flow [2024-10-13 09:59:48,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=105, PETRI_TRANSITIONS=104} [2024-10-13 09:59:48,331 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -20 predicate places. [2024-10-13 09:59:48,331 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 104 transitions, 216 flow [2024-10-13 09:59:48,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:48,332 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:48,332 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] [2024-10-13 09:59:48,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:59:48,332 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-10-13 09:59:48,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:48,334 INFO L85 PathProgramCache]: Analyzing trace with hash -553838282, now seen corresponding path program 1 times [2024-10-13 09:59:48,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:48,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769316438] [2024-10-13 09:59:48,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:48,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:48,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:48,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769316438] [2024-10-13 09:59:48,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769316438] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:48,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:48,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:48,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269708957] [2024-10-13 09:59:48,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:48,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:48,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:48,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:48,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:48,397 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 144 [2024-10-13 09:59:48,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 104 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:48,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:48,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 144 [2024-10-13 09:59:48,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:48,472 INFO L124 PetriNetUnfolderBase]: 41/199 cut-off events. [2024-10-13 09:59:48,473 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-13 09:59:48,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 199 events. 41/199 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 431 event pairs, 5 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 252. Up to 47 conditions per place. [2024-10-13 09:59:48,477 INFO L140 encePairwiseOnDemand]: 136/144 looper letters, 22 selfloop transitions, 6 changer transitions 0/113 dead transitions. [2024-10-13 09:59:48,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 113 transitions, 293 flow [2024-10-13 09:59:48,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 345 transitions. [2024-10-13 09:59:48,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7986111111111112 [2024-10-13 09:59:48,480 INFO L175 Difference]: Start difference. First operand has 105 places, 104 transitions, 216 flow. Second operand 3 states and 345 transitions. [2024-10-13 09:59:48,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 113 transitions, 293 flow [2024-10-13 09:59:48,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 113 transitions, 289 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:48,488 INFO L231 Difference]: Finished difference. Result has 105 places, 107 transitions, 252 flow [2024-10-13 09:59:48,489 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=105, PETRI_TRANSITIONS=107} [2024-10-13 09:59:48,490 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -20 predicate places. [2024-10-13 09:59:48,490 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 107 transitions, 252 flow [2024-10-13 09:59:48,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:48,491 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:48,492 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] [2024-10-13 09:59:48,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:59:48,492 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-10-13 09:59:48,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:48,493 INFO L85 PathProgramCache]: Analyzing trace with hash 2090784954, now seen corresponding path program 1 times [2024-10-13 09:59:48,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:48,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54706142] [2024-10-13 09:59:48,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:48,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:48,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:48,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54706142] [2024-10-13 09:59:48,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54706142] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:48,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:48,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:48,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23037684] [2024-10-13 09:59:48,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:48,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:48,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:48,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:48,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:48,587 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 144 [2024-10-13 09:59:48,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 107 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:48,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:48,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 144 [2024-10-13 09:59:48,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:48,645 INFO L124 PetriNetUnfolderBase]: 41/194 cut-off events. [2024-10-13 09:59:48,646 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2024-10-13 09:59:48,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 194 events. 41/194 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 409 event pairs, 13 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 170. Up to 79 conditions per place. [2024-10-13 09:59:48,648 INFO L140 encePairwiseOnDemand]: 141/144 looper letters, 21 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2024-10-13 09:59:48,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 106 transitions, 296 flow [2024-10-13 09:59:48,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:48,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:48,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2024-10-13 09:59:48,650 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7662037037037037 [2024-10-13 09:59:48,650 INFO L175 Difference]: Start difference. First operand has 105 places, 107 transitions, 252 flow. Second operand 3 states and 331 transitions. [2024-10-13 09:59:48,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 106 transitions, 296 flow [2024-10-13 09:59:48,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 106 transitions, 284 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:48,653 INFO L231 Difference]: Finished difference. Result has 104 places, 106 transitions, 242 flow [2024-10-13 09:59:48,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=104, PETRI_TRANSITIONS=106} [2024-10-13 09:59:48,655 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -21 predicate places. [2024-10-13 09:59:48,655 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 106 transitions, 242 flow [2024-10-13 09:59:48,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:48,656 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:48,656 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] [2024-10-13 09:59:48,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:59:48,657 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-10-13 09:59:48,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:48,657 INFO L85 PathProgramCache]: Analyzing trace with hash 959318516, now seen corresponding path program 1 times [2024-10-13 09:59:48,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:48,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912355318] [2024-10-13 09:59:48,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:48,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:48,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:48,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912355318] [2024-10-13 09:59:48,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912355318] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:48,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:48,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:48,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859055450] [2024-10-13 09:59:48,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:48,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:48,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:48,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:48,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:48,739 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 144 [2024-10-13 09:59:48,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 106 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:48,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:48,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 144 [2024-10-13 09:59:48,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:48,790 INFO L124 PetriNetUnfolderBase]: 41/192 cut-off events. [2024-10-13 09:59:48,792 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-10-13 09:59:48,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 192 events. 41/192 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 408 event pairs, 9 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 278. Up to 61 conditions per place. [2024-10-13 09:59:48,794 INFO L140 encePairwiseOnDemand]: 139/144 looper letters, 27 selfloop transitions, 3 changer transitions 0/112 dead transitions. [2024-10-13 09:59:48,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 112 transitions, 329 flow [2024-10-13 09:59:48,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2024-10-13 09:59:48,797 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7847222222222222 [2024-10-13 09:59:48,798 INFO L175 Difference]: Start difference. First operand has 104 places, 106 transitions, 242 flow. Second operand 3 states and 339 transitions. [2024-10-13 09:59:48,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 112 transitions, 329 flow [2024-10-13 09:59:48,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 112 transitions, 325 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:48,802 INFO L231 Difference]: Finished difference. Result has 102 places, 104 transitions, 240 flow [2024-10-13 09:59:48,802 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=102, PETRI_TRANSITIONS=104} [2024-10-13 09:59:48,803 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -23 predicate places. [2024-10-13 09:59:48,804 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 104 transitions, 240 flow [2024-10-13 09:59:48,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:48,805 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:48,805 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] [2024-10-13 09:59:48,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:59:48,805 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-10-13 09:59:48,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:48,806 INFO L85 PathProgramCache]: Analyzing trace with hash 2133133460, now seen corresponding path program 1 times [2024-10-13 09:59:48,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:48,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191000742] [2024-10-13 09:59:48,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:48,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:48,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:48,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191000742] [2024-10-13 09:59:48,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191000742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:48,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:48,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:48,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207203177] [2024-10-13 09:59:48,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:48,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:48,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:48,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:48,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:48,880 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 144 [2024-10-13 09:59:48,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 104 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:48,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:48,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 144 [2024-10-13 09:59:48,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:48,932 INFO L124 PetriNetUnfolderBase]: 41/195 cut-off events. [2024-10-13 09:59:48,934 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-10-13 09:59:48,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 195 events. 41/195 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 422 event pairs, 13 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 182. Up to 79 conditions per place. [2024-10-13 09:59:48,936 INFO L140 encePairwiseOnDemand]: 141/144 looper letters, 21 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2024-10-13 09:59:48,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 103 transitions, 284 flow [2024-10-13 09:59:48,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:48,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2024-10-13 09:59:48,938 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7662037037037037 [2024-10-13 09:59:48,938 INFO L175 Difference]: Start difference. First operand has 102 places, 104 transitions, 240 flow. Second operand 3 states and 331 transitions. [2024-10-13 09:59:48,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 103 transitions, 284 flow [2024-10-13 09:59:48,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 103 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:48,942 INFO L231 Difference]: Finished difference. Result has 101 places, 103 transitions, 236 flow [2024-10-13 09:59:48,942 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=101, PETRI_TRANSITIONS=103} [2024-10-13 09:59:48,943 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -24 predicate places. [2024-10-13 09:59:48,944 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 103 transitions, 236 flow [2024-10-13 09:59:48,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:48,945 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:48,945 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] [2024-10-13 09:59:48,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 09:59:48,946 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-10-13 09:59:48,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:48,946 INFO L85 PathProgramCache]: Analyzing trace with hash 778587452, now seen corresponding path program 1 times [2024-10-13 09:59:48,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:48,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653847267] [2024-10-13 09:59:48,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:48,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:49,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:49,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:49,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653847267] [2024-10-13 09:59:49,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653847267] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:49,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:49,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:49,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905427664] [2024-10-13 09:59:49,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:49,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:49,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:49,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:49,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:49,065 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 144 [2024-10-13 09:59:49,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 103 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:49,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:49,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 144 [2024-10-13 09:59:49,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:49,116 INFO L124 PetriNetUnfolderBase]: 41/189 cut-off events. [2024-10-13 09:59:49,117 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-10-13 09:59:49,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 189 events. 41/189 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 395 event pairs, 13 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 268. Up to 74 conditions per place. [2024-10-13 09:59:49,120 INFO L140 encePairwiseOnDemand]: 142/144 looper letters, 18 selfloop transitions, 1 changer transitions 0/102 dead transitions. [2024-10-13 09:59:49,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 102 transitions, 272 flow [2024-10-13 09:59:49,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:49,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 342 transitions. [2024-10-13 09:59:49,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7916666666666666 [2024-10-13 09:59:49,123 INFO L175 Difference]: Start difference. First operand has 101 places, 103 transitions, 236 flow. Second operand 3 states and 342 transitions. [2024-10-13 09:59:49,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 102 transitions, 272 flow [2024-10-13 09:59:49,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 102 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:49,127 INFO L231 Difference]: Finished difference. Result has 100 places, 102 transitions, 232 flow [2024-10-13 09:59:49,127 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=100, PETRI_TRANSITIONS=102} [2024-10-13 09:59:49,128 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -25 predicate places. [2024-10-13 09:59:49,129 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 102 transitions, 232 flow [2024-10-13 09:59:49,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:49,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:49,130 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] [2024-10-13 09:59:49,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 09:59:49,131 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-10-13 09:59:49,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:49,131 INFO L85 PathProgramCache]: Analyzing trace with hash -150048942, now seen corresponding path program 1 times [2024-10-13 09:59:49,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:49,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278537302] [2024-10-13 09:59:49,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:49,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:49,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:49,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278537302] [2024-10-13 09:59:49,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278537302] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:49,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:49,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:49,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626439129] [2024-10-13 09:59:49,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:49,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:49,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:49,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:49,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:49,235 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 144 [2024-10-13 09:59:49,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 102 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:49,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:49,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 144 [2024-10-13 09:59:49,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:49,311 INFO L124 PetriNetUnfolderBase]: 41/187 cut-off events. [2024-10-13 09:59:49,312 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-10-13 09:59:49,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 187 events. 41/187 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 391 event pairs, 13 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 295. Up to 75 conditions per place. [2024-10-13 09:59:49,313 INFO L140 encePairwiseOnDemand]: 142/144 looper letters, 19 selfloop transitions, 1 changer transitions 0/101 dead transitions. [2024-10-13 09:59:49,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 101 transitions, 270 flow [2024-10-13 09:59:49,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:49,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 340 transitions. [2024-10-13 09:59:49,315 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7870370370370371 [2024-10-13 09:59:49,315 INFO L175 Difference]: Start difference. First operand has 100 places, 102 transitions, 232 flow. Second operand 3 states and 340 transitions. [2024-10-13 09:59:49,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 101 transitions, 270 flow [2024-10-13 09:59:49,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 101 transitions, 269 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:59:49,317 INFO L231 Difference]: Finished difference. Result has 100 places, 101 transitions, 231 flow [2024-10-13 09:59:49,318 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=231, PETRI_PLACES=100, PETRI_TRANSITIONS=101} [2024-10-13 09:59:49,318 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -25 predicate places. [2024-10-13 09:59:49,318 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 101 transitions, 231 flow [2024-10-13 09:59:49,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:49,319 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:49,319 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] [2024-10-13 09:59:49,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 09:59:49,319 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-10-13 09:59:49,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:49,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1831868751, now seen corresponding path program 1 times [2024-10-13 09:59:49,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:49,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080607128] [2024-10-13 09:59:49,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:49,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:49,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:49,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080607128] [2024-10-13 09:59:49,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080607128] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:49,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:49,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:49,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308903860] [2024-10-13 09:59:49,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:49,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:49,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:49,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:49,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:49,411 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 144 [2024-10-13 09:59:49,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 101 transitions, 231 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:49,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:49,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 144 [2024-10-13 09:59:49,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:49,455 INFO L124 PetriNetUnfolderBase]: 41/185 cut-off events. [2024-10-13 09:59:49,455 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-10-13 09:59:49,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 185 events. 41/185 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 389 event pairs, 13 based on Foata normal form. 2/165 useless extension candidates. Maximal degree in co-relation 301. Up to 75 conditions per place. [2024-10-13 09:59:49,456 INFO L140 encePairwiseOnDemand]: 142/144 looper letters, 0 selfloop transitions, 0 changer transitions 100/100 dead transitions. [2024-10-13 09:59:49,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 100 transitions, 267 flow [2024-10-13 09:59:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2024-10-13 09:59:49,457 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7847222222222222 [2024-10-13 09:59:49,457 INFO L175 Difference]: Start difference. First operand has 100 places, 101 transitions, 231 flow. Second operand 3 states and 339 transitions. [2024-10-13 09:59:49,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 100 transitions, 267 flow [2024-10-13 09:59:49,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 100 transitions, 266 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:59:49,459 INFO L231 Difference]: Finished difference. Result has 100 places, 0 transitions, 0 flow [2024-10-13 09:59:49,459 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=100, PETRI_TRANSITIONS=0} [2024-10-13 09:59:49,460 INFO L277 CegarLoopForPetriNet]: 125 programPoint places, -25 predicate places. [2024-10-13 09:59:49,460 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 0 transitions, 0 flow [2024-10-13 09:59:49,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:49,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (42 of 43 remaining) [2024-10-13 09:59:49,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (41 of 43 remaining) [2024-10-13 09:59:49,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (40 of 43 remaining) [2024-10-13 09:59:49,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (39 of 43 remaining) [2024-10-13 09:59:49,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (38 of 43 remaining) [2024-10-13 09:59:49,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (37 of 43 remaining) [2024-10-13 09:59:49,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (36 of 43 remaining) [2024-10-13 09:59:49,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (35 of 43 remaining) [2024-10-13 09:59:49,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (34 of 43 remaining) [2024-10-13 09:59:49,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (33 of 43 remaining) [2024-10-13 09:59:49,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (32 of 43 remaining) [2024-10-13 09:59:49,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (31 of 43 remaining) [2024-10-13 09:59:49,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (30 of 43 remaining) [2024-10-13 09:59:49,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (29 of 43 remaining) [2024-10-13 09:59:49,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (28 of 43 remaining) [2024-10-13 09:59:49,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 43 remaining) [2024-10-13 09:59:49,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 43 remaining) [2024-10-13 09:59:49,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (25 of 43 remaining) [2024-10-13 09:59:49,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 43 remaining) [2024-10-13 09:59:49,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 43 remaining) [2024-10-13 09:59:49,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 43 remaining) [2024-10-13 09:59:49,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (21 of 43 remaining) [2024-10-13 09:59:49,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (20 of 43 remaining) [2024-10-13 09:59:49,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (19 of 43 remaining) [2024-10-13 09:59:49,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (18 of 43 remaining) [2024-10-13 09:59:49,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (17 of 43 remaining) [2024-10-13 09:59:49,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 43 remaining) [2024-10-13 09:59:49,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 43 remaining) [2024-10-13 09:59:49,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (14 of 43 remaining) [2024-10-13 09:59:49,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (13 of 43 remaining) [2024-10-13 09:59:49,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (12 of 43 remaining) [2024-10-13 09:59:49,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (11 of 43 remaining) [2024-10-13 09:59:49,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (10 of 43 remaining) [2024-10-13 09:59:49,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (9 of 43 remaining) [2024-10-13 09:59:49,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (8 of 43 remaining) [2024-10-13 09:59:49,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (7 of 43 remaining) [2024-10-13 09:59:49,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (6 of 43 remaining) [2024-10-13 09:59:49,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 43 remaining) [2024-10-13 09:59:49,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 43 remaining) [2024-10-13 09:59:49,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 43 remaining) [2024-10-13 09:59:49,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 43 remaining) [2024-10-13 09:59:49,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (1 of 43 remaining) [2024-10-13 09:59:49,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (0 of 43 remaining) [2024-10-13 09:59:49,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 09:59:49,469 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:59:49,475 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:59:49,475 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:59:49,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:59:49 BasicIcfg [2024-10-13 09:59:49,484 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:59:49,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:59:49,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:59:49,485 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:59:49,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:59:47" (3/4) ... [2024-10-13 09:59:49,487 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:59:49,490 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 09:59:49,490 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 09:59:49,496 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-13 09:59:49,496 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 09:59:49,497 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 09:59:49,497 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:59:49,587 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:59:49,587 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:59:49,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:59:49,588 INFO L158 Benchmark]: Toolchain (without parser) took 3193.39ms. Allocated memory is still 169.9MB. Free memory was 102.7MB in the beginning and 101.0MB in the end (delta: 1.7MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-10-13 09:59:49,588 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:59:49,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.27ms. Allocated memory is still 169.9MB. Free memory was 102.4MB in the beginning and 88.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 09:59:49,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.85ms. Allocated memory is still 169.9MB. Free memory was 88.3MB in the beginning and 86.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:59:49,589 INFO L158 Benchmark]: Boogie Preprocessor took 22.58ms. Allocated memory is still 169.9MB. Free memory was 86.7MB in the beginning and 85.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:59:49,589 INFO L158 Benchmark]: RCFGBuilder took 692.91ms. Allocated memory is still 169.9MB. Free memory was 85.3MB in the beginning and 127.8MB in the end (delta: -42.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-13 09:59:49,589 INFO L158 Benchmark]: TraceAbstraction took 2032.41ms. Allocated memory is still 169.9MB. Free memory was 127.4MB in the beginning and 106.2MB in the end (delta: 21.2MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-10-13 09:59:49,590 INFO L158 Benchmark]: Witness Printer took 102.86ms. Allocated memory is still 169.9MB. Free memory was 106.2MB in the beginning and 101.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:59:49,591 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.27ms. Allocated memory is still 169.9MB. Free memory was 102.4MB in the beginning and 88.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.85ms. Allocated memory is still 169.9MB. Free memory was 88.3MB in the beginning and 86.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.58ms. Allocated memory is still 169.9MB. Free memory was 86.7MB in the beginning and 85.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 692.91ms. Allocated memory is still 169.9MB. Free memory was 85.3MB in the beginning and 127.8MB in the end (delta: -42.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2032.41ms. Allocated memory is still 169.9MB. Free memory was 127.4MB in the beginning and 106.2MB in the end (delta: 21.2MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Witness Printer took 102.86ms. Allocated memory is still 169.9MB. Free memory was 106.2MB in the beginning and 101.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 171 locations, 43 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: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 308 IncrementalHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 27 mSDtfsCounter, 308 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=262occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 439 NumberOfCodeBlocks, 439 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:59:49,618 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