./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-chromosome-symm.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 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:36:04,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:36:04,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:36:05,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:36:05,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:36:05,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:36:05,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:36:05,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:36:05,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:36:05,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:36:05,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:36:05,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:36:05,041 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:36:05,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:36:05,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:36:05,041 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:36:05,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:36:05,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:36:05,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:36:05,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:36:05,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:36:05,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:36:05,044 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:36:05,044 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:36:05,044 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:36:05,044 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:36:05,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:36:05,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:36:05,045 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:36:05,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:36:05,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:36:05,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:36:05,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:36:05,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:36:05,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:36:05,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:36:05,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:36:05,047 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:36:05,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:36:05,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:36:05,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:36:05,048 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa [2024-11-10 14:36:05,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:36:05,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:36:05,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:36:05,263 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:36:05,264 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:36:05,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2024-11-10 14:36:06,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:36:06,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:36:06,556 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2024-11-10 14:36:06,562 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99083fe2b/46745ee629044e92a19945c6253eccd2/FLAG5e00fcb5e [2024-11-10 14:36:06,975 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99083fe2b/46745ee629044e92a19945c6253eccd2 [2024-11-10 14:36:06,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:36:06,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:36:06,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:36:06,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:36:06,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:36:06,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:36:06" (1/1) ... [2024-11-10 14:36:06,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f74e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:06, skipping insertion in model container [2024-11-10 14:36:06,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:36:06" (1/1) ... [2024-11-10 14:36:07,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:36:07,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:36:07,181 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:36:07,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:36:07,247 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:36:07,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07 WrapperNode [2024-11-10 14:36:07,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:36:07,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:36:07,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:36:07,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:36:07,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07" (1/1) ... [2024-11-10 14:36:07,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07" (1/1) ... [2024-11-10 14:36:07,298 INFO L138 Inliner]: procedures = 24, calls = 28, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 319 [2024-11-10 14:36:07,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:36:07,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:36:07,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:36:07,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:36:07,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07" (1/1) ... [2024-11-10 14:36:07,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07" (1/1) ... [2024-11-10 14:36:07,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07" (1/1) ... [2024-11-10 14:36:07,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07" (1/1) ... [2024-11-10 14:36:07,325 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07" (1/1) ... [2024-11-10 14:36:07,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07" (1/1) ... [2024-11-10 14:36:07,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07" (1/1) ... [2024-11-10 14:36:07,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07" (1/1) ... [2024-11-10 14:36:07,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:36:07,331 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:36:07,331 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:36:07,331 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:36:07,332 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07" (1/1) ... [2024-11-10 14:36:07,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:36:07,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:36:07,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:36:07,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:36:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:36:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:36:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:36:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:36:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:36:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:36:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:36:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:36:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:36:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:36:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:36:07,410 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:36:07,501 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:36:07,503 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:36:07,876 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:36:07,876 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:36:07,897 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:36:07,897 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:36:07,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:36:07 BoogieIcfgContainer [2024-11-10 14:36:07,898 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:36:07,899 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:36:07,899 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:36:07,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:36:07,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:36:06" (1/3) ... [2024-11-10 14:36:07,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9dec33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:36:07, skipping insertion in model container [2024-11-10 14:36:07,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:07" (2/3) ... [2024-11-10 14:36:07,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9dec33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:36:07, skipping insertion in model container [2024-11-10 14:36:07,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:36:07" (3/3) ... [2024-11-10 14:36:07,904 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2024-11-10 14:36:07,920 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:36:07,921 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-10 14:36:07,921 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:36:08,030 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:36:08,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 416 places, 435 transitions, 884 flow [2024-11-10 14:36:08,207 INFO L124 PetriNetUnfolderBase]: 26/433 cut-off events. [2024-11-10 14:36:08,207 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:36:08,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 433 events. 26/433 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 715 event pairs, 0 based on Foata normal form. 0/373 useless extension candidates. Maximal degree in co-relation 260. Up to 2 conditions per place. [2024-11-10 14:36:08,215 INFO L82 GeneralOperation]: Start removeDead. Operand has 416 places, 435 transitions, 884 flow [2024-11-10 14:36:08,228 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 396 places, 413 transitions, 838 flow [2024-11-10 14:36:08,248 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:36:08,256 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;@58a4761, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:36:08,256 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-10 14:36:08,264 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:36:08,265 INFO L124 PetriNetUnfolderBase]: 3/61 cut-off events. [2024-11-10 14:36:08,265 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:36:08,265 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:08,265 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] [2024-11-10 14:36:08,266 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:08,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:08,270 INFO L85 PathProgramCache]: Analyzing trace with hash -605765322, now seen corresponding path program 1 times [2024-11-10 14:36:08,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:08,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505497928] [2024-11-10 14:36:08,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:08,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:08,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:08,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:08,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505497928] [2024-11-10 14:36:08,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505497928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:08,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:08,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:08,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69450300] [2024-11-10 14:36:08,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:08,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:36:08,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:08,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:36:08,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:36:08,472 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 435 [2024-11-10 14:36:08,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 413 transitions, 838 flow. Second operand has 2 states, 2 states have (on average 413.5) internal successors, (827), 2 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:08,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:08,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 435 [2024-11-10 14:36:08,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:08,538 INFO L124 PetriNetUnfolderBase]: 8/397 cut-off events. [2024-11-10 14:36:08,538 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-10 14:36:08,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 411 conditions, 397 events. 8/397 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 676 event pairs, 0 based on Foata normal form. 18/362 useless extension candidates. Maximal degree in co-relation 251. Up to 5 conditions per place. [2024-11-10 14:36:08,544 INFO L140 encePairwiseOnDemand]: 419/435 looper letters, 4 selfloop transitions, 0 changer transitions 6/397 dead transitions. [2024-11-10 14:36:08,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 397 transitions, 814 flow [2024-11-10 14:36:08,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:36:08,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:36:08,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 846 transitions. [2024-11-10 14:36:08,558 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9724137931034482 [2024-11-10 14:36:08,561 INFO L175 Difference]: Start difference. First operand has 396 places, 413 transitions, 838 flow. Second operand 2 states and 846 transitions. [2024-11-10 14:36:08,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 397 transitions, 814 flow [2024-11-10 14:36:08,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 397 transitions, 806 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:36:08,572 INFO L231 Difference]: Finished difference. Result has 393 places, 391 transitions, 786 flow [2024-11-10 14:36:08,575 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=786, PETRI_PLACES=393, PETRI_TRANSITIONS=391} [2024-11-10 14:36:08,577 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -3 predicate places. [2024-11-10 14:36:08,579 INFO L471 AbstractCegarLoop]: Abstraction has has 393 places, 391 transitions, 786 flow [2024-11-10 14:36:08,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 413.5) internal successors, (827), 2 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:08,580 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:08,580 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] [2024-11-10 14:36:08,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:36:08,581 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:08,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:08,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1593812323, now seen corresponding path program 1 times [2024-11-10 14:36:08,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:08,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370563227] [2024-11-10 14:36:08,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:08,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:08,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:08,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:08,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370563227] [2024-11-10 14:36:08,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370563227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:08,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:08,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:08,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604579851] [2024-11-10 14:36:08,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:08,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:08,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:08,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:08,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:08,703 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 435 [2024-11-10 14:36:08,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 391 transitions, 786 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:08,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:08,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 435 [2024-11-10 14:36:08,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:08,780 INFO L124 PetriNetUnfolderBase]: 13/498 cut-off events. [2024-11-10 14:36:08,780 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-10 14:36:08,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 521 conditions, 498 events. 13/498 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1312 event pairs, 3 based on Foata normal form. 0/435 useless extension candidates. Maximal degree in co-relation 518. Up to 16 conditions per place. [2024-11-10 14:36:08,783 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 9 selfloop transitions, 2 changer transitions 0/390 dead transitions. [2024-11-10 14:36:08,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 390 transitions, 806 flow [2024-11-10 14:36:08,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:08,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:08,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-11-10 14:36:08,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9379310344827586 [2024-11-10 14:36:08,788 INFO L175 Difference]: Start difference. First operand has 393 places, 391 transitions, 786 flow. Second operand 3 states and 1224 transitions. [2024-11-10 14:36:08,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 390 transitions, 806 flow [2024-11-10 14:36:08,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 390 transitions, 806 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:08,794 INFO L231 Difference]: Finished difference. Result has 388 places, 390 transitions, 788 flow [2024-11-10 14:36:08,794 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=388, PETRI_TRANSITIONS=390} [2024-11-10 14:36:08,795 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -8 predicate places. [2024-11-10 14:36:08,795 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 390 transitions, 788 flow [2024-11-10 14:36:08,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:08,796 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:08,796 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] [2024-11-10 14:36:08,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:36:08,796 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:08,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:08,797 INFO L85 PathProgramCache]: Analyzing trace with hash 35983854, now seen corresponding path program 1 times [2024-11-10 14:36:08,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:08,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207564530] [2024-11-10 14:36:08,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:08,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:09,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:09,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:09,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207564530] [2024-11-10 14:36:09,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207564530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:09,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:09,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:36:09,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952687024] [2024-11-10 14:36:09,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:09,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:36:09,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:09,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:36:09,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:36:09,466 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2024-11-10 14:36:09,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 390 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 370.5) internal successors, (2223), 6 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:09,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:09,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2024-11-10 14:36:09,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:09,664 INFO L124 PetriNetUnfolderBase]: 131/1628 cut-off events. [2024-11-10 14:36:09,664 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2024-11-10 14:36:09,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 1628 events. 131/1628 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 10321 event pairs, 80 based on Foata normal form. 0/1393 useless extension candidates. Maximal degree in co-relation 1873. Up to 224 conditions per place. [2024-11-10 14:36:09,675 INFO L140 encePairwiseOnDemand]: 423/435 looper letters, 36 selfloop transitions, 10 changer transitions 0/388 dead transitions. [2024-11-10 14:36:09,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 388 transitions, 876 flow [2024-11-10 14:36:09,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:36:09,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:36:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2262 transitions. [2024-11-10 14:36:09,681 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2024-11-10 14:36:09,681 INFO L175 Difference]: Start difference. First operand has 388 places, 390 transitions, 788 flow. Second operand 6 states and 2262 transitions. [2024-11-10 14:36:09,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 388 transitions, 876 flow [2024-11-10 14:36:09,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 388 transitions, 872 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:09,685 INFO L231 Difference]: Finished difference. Result has 389 places, 388 transitions, 800 flow [2024-11-10 14:36:09,686 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=800, PETRI_PLACES=389, PETRI_TRANSITIONS=388} [2024-11-10 14:36:09,687 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -7 predicate places. [2024-11-10 14:36:09,687 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 388 transitions, 800 flow [2024-11-10 14:36:09,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 370.5) internal successors, (2223), 6 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:09,689 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:09,689 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] [2024-11-10 14:36:09,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:36:09,689 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:09,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:09,690 INFO L85 PathProgramCache]: Analyzing trace with hash -400874267, now seen corresponding path program 1 times [2024-11-10 14:36:09,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:09,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123178957] [2024-11-10 14:36:09,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:09,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:09,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:09,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123178957] [2024-11-10 14:36:09,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123178957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:09,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:09,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:09,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370682776] [2024-11-10 14:36:09,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:09,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:09,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:09,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:09,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:09,742 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 435 [2024-11-10 14:36:09,743 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 388 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:09,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:09,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 435 [2024-11-10 14:36:09,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:09,796 INFO L124 PetriNetUnfolderBase]: 16/575 cut-off events. [2024-11-10 14:36:09,796 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-10 14:36:09,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 575 events. 16/575 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1509 event pairs, 3 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 607. Up to 18 conditions per place. [2024-11-10 14:36:09,799 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 9 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2024-11-10 14:36:09,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 387 transitions, 820 flow [2024-11-10 14:36:09,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-11-10 14:36:09,801 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9379310344827586 [2024-11-10 14:36:09,801 INFO L175 Difference]: Start difference. First operand has 389 places, 388 transitions, 800 flow. Second operand 3 states and 1224 transitions. [2024-11-10 14:36:09,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 387 transitions, 820 flow [2024-11-10 14:36:09,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 387 transitions, 800 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:36:09,806 INFO L231 Difference]: Finished difference. Result has 385 places, 387 transitions, 782 flow [2024-11-10 14:36:09,806 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=385, PETRI_TRANSITIONS=387} [2024-11-10 14:36:09,807 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -11 predicate places. [2024-11-10 14:36:09,807 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 387 transitions, 782 flow [2024-11-10 14:36:09,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:09,807 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:09,808 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:09,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:36:09,808 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:09,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:09,808 INFO L85 PathProgramCache]: Analyzing trace with hash 931550473, now seen corresponding path program 1 times [2024-11-10 14:36:09,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:09,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791517093] [2024-11-10 14:36:09,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:09,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:09,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:09,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791517093] [2024-11-10 14:36:09,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791517093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:09,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:09,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:09,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133941849] [2024-11-10 14:36:09,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:09,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:09,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:09,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:09,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:09,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 435 [2024-11-10 14:36:09,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 387 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:09,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:09,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 435 [2024-11-10 14:36:09,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:09,911 INFO L124 PetriNetUnfolderBase]: 15/590 cut-off events. [2024-11-10 14:36:09,911 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:36:09,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 590 events. 15/590 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1821 event pairs, 3 based on Foata normal form. 0/514 useless extension candidates. Maximal degree in co-relation 612. Up to 16 conditions per place. [2024-11-10 14:36:09,914 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 9 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-11-10 14:36:09,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 386 transitions, 802 flow [2024-11-10 14:36:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:09,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:09,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-11-10 14:36:09,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9379310344827586 [2024-11-10 14:36:09,917 INFO L175 Difference]: Start difference. First operand has 385 places, 387 transitions, 782 flow. Second operand 3 states and 1224 transitions. [2024-11-10 14:36:09,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 386 transitions, 802 flow [2024-11-10 14:36:09,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 386 transitions, 798 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:09,924 INFO L231 Difference]: Finished difference. Result has 384 places, 386 transitions, 780 flow [2024-11-10 14:36:09,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=384, PETRI_TRANSITIONS=386} [2024-11-10 14:36:09,925 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -12 predicate places. [2024-11-10 14:36:09,925 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 386 transitions, 780 flow [2024-11-10 14:36:09,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:09,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:09,926 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:09,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:36:09,926 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:09,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:09,926 INFO L85 PathProgramCache]: Analyzing trace with hash -831164391, now seen corresponding path program 1 times [2024-11-10 14:36:09,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:09,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503430336] [2024-11-10 14:36:09,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:09,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:09,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:09,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:09,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503430336] [2024-11-10 14:36:09,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503430336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:09,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:09,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:09,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473996959] [2024-11-10 14:36:09,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:09,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:09,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:09,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:09,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:09,991 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 435 [2024-11-10 14:36:09,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 386 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:09,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:09,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 435 [2024-11-10 14:36:09,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:10,040 INFO L124 PetriNetUnfolderBase]: 15/592 cut-off events. [2024-11-10 14:36:10,041 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-10 14:36:10,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 618 conditions, 592 events. 15/592 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1687 event pairs, 3 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 614. Up to 16 conditions per place. [2024-11-10 14:36:10,044 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 9 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2024-11-10 14:36:10,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 385 transitions, 800 flow [2024-11-10 14:36:10,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:10,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:10,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-11-10 14:36:10,046 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9379310344827586 [2024-11-10 14:36:10,046 INFO L175 Difference]: Start difference. First operand has 384 places, 386 transitions, 780 flow. Second operand 3 states and 1224 transitions. [2024-11-10 14:36:10,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 385 transitions, 800 flow [2024-11-10 14:36:10,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 385 transitions, 796 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:10,050 INFO L231 Difference]: Finished difference. Result has 383 places, 385 transitions, 778 flow [2024-11-10 14:36:10,051 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=383, PETRI_TRANSITIONS=385} [2024-11-10 14:36:10,051 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -13 predicate places. [2024-11-10 14:36:10,051 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 385 transitions, 778 flow [2024-11-10 14:36:10,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,052 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:10,052 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:10,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:36:10,052 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:10,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:10,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1444513831, now seen corresponding path program 1 times [2024-11-10 14:36:10,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:10,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903324334] [2024-11-10 14:36:10,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:10,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:10,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:10,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:10,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903324334] [2024-11-10 14:36:10,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903324334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:10,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:10,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:10,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666560400] [2024-11-10 14:36:10,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:10,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:10,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:10,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:10,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:10,096 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 435 [2024-11-10 14:36:10,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 385 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:10,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 435 [2024-11-10 14:36:10,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:10,156 INFO L124 PetriNetUnfolderBase]: 26/867 cut-off events. [2024-11-10 14:36:10,156 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:36:10,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 902 conditions, 867 events. 26/867 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3709 event pairs, 5 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 898. Up to 22 conditions per place. [2024-11-10 14:36:10,160 INFO L140 encePairwiseOnDemand]: 431/435 looper letters, 10 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-11-10 14:36:10,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 386 transitions, 805 flow [2024-11-10 14:36:10,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:10,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2024-11-10 14:36:10,162 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9440613026819923 [2024-11-10 14:36:10,162 INFO L175 Difference]: Start difference. First operand has 383 places, 385 transitions, 778 flow. Second operand 3 states and 1232 transitions. [2024-11-10 14:36:10,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 386 transitions, 805 flow [2024-11-10 14:36:10,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 386 transitions, 801 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:10,167 INFO L231 Difference]: Finished difference. Result has 382 places, 385 transitions, 784 flow [2024-11-10 14:36:10,167 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=382, PETRI_TRANSITIONS=385} [2024-11-10 14:36:10,168 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -14 predicate places. [2024-11-10 14:36:10,168 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 385 transitions, 784 flow [2024-11-10 14:36:10,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,169 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:10,169 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:10,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:36:10,169 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:10,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:10,169 INFO L85 PathProgramCache]: Analyzing trace with hash -438950502, now seen corresponding path program 1 times [2024-11-10 14:36:10,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:10,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070247882] [2024-11-10 14:36:10,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:10,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:10,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:10,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070247882] [2024-11-10 14:36:10,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070247882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:10,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:10,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:10,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459145380] [2024-11-10 14:36:10,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:10,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:10,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:10,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:10,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:10,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 435 [2024-11-10 14:36:10,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 385 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:10,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 435 [2024-11-10 14:36:10,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:10,263 INFO L124 PetriNetUnfolderBase]: 27/844 cut-off events. [2024-11-10 14:36:10,264 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-10 14:36:10,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 884 conditions, 844 events. 27/844 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3912 event pairs, 3 based on Foata normal form. 0/740 useless extension candidates. Maximal degree in co-relation 880. Up to 22 conditions per place. [2024-11-10 14:36:10,268 INFO L140 encePairwiseOnDemand]: 431/435 looper letters, 10 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-11-10 14:36:10,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 386 transitions, 811 flow [2024-11-10 14:36:10,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2024-11-10 14:36:10,270 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9440613026819923 [2024-11-10 14:36:10,270 INFO L175 Difference]: Start difference. First operand has 382 places, 385 transitions, 784 flow. Second operand 3 states and 1232 transitions. [2024-11-10 14:36:10,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 386 transitions, 811 flow [2024-11-10 14:36:10,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 386 transitions, 811 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:10,274 INFO L231 Difference]: Finished difference. Result has 383 places, 385 transitions, 794 flow [2024-11-10 14:36:10,275 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=383, PETRI_TRANSITIONS=385} [2024-11-10 14:36:10,275 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -13 predicate places. [2024-11-10 14:36:10,276 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 385 transitions, 794 flow [2024-11-10 14:36:10,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,276 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:10,277 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:10,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:36:10,277 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:10,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:10,277 INFO L85 PathProgramCache]: Analyzing trace with hash -480186628, now seen corresponding path program 1 times [2024-11-10 14:36:10,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:10,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770154557] [2024-11-10 14:36:10,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:10,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:10,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:10,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770154557] [2024-11-10 14:36:10,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770154557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:10,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:10,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:10,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546376039] [2024-11-10 14:36:10,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:10,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:10,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:10,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:10,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:10,344 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 435 [2024-11-10 14:36:10,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 385 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:10,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 435 [2024-11-10 14:36:10,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:10,400 INFO L124 PetriNetUnfolderBase]: 25/656 cut-off events. [2024-11-10 14:36:10,400 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:36:10,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 656 events. 25/656 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2521 event pairs, 6 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 719. Up to 33 conditions per place. [2024-11-10 14:36:10,403 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 14 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2024-11-10 14:36:10,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 385 transitions, 827 flow [2024-11-10 14:36:10,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:10,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2024-11-10 14:36:10,406 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348659003831418 [2024-11-10 14:36:10,407 INFO L175 Difference]: Start difference. First operand has 383 places, 385 transitions, 794 flow. Second operand 3 states and 1220 transitions. [2024-11-10 14:36:10,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 385 transitions, 827 flow [2024-11-10 14:36:10,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 385 transitions, 827 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:10,411 INFO L231 Difference]: Finished difference. Result has 384 places, 384 transitions, 796 flow [2024-11-10 14:36:10,411 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=384, PETRI_TRANSITIONS=384} [2024-11-10 14:36:10,412 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -12 predicate places. [2024-11-10 14:36:10,412 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 384 transitions, 796 flow [2024-11-10 14:36:10,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,413 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:10,414 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:10,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:36:10,414 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:10,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:10,414 INFO L85 PathProgramCache]: Analyzing trace with hash -383694525, now seen corresponding path program 1 times [2024-11-10 14:36:10,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:10,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246381831] [2024-11-10 14:36:10,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:10,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:10,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:10,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:10,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246381831] [2024-11-10 14:36:10,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246381831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:10,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:10,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:10,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952498785] [2024-11-10 14:36:10,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:10,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:10,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:10,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:10,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:10,468 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 435 [2024-11-10 14:36:10,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 384 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:10,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 435 [2024-11-10 14:36:10,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:10,551 INFO L124 PetriNetUnfolderBase]: 43/1106 cut-off events. [2024-11-10 14:36:10,551 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-10 14:36:10,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1179 conditions, 1106 events. 43/1106 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5220 event pairs, 2 based on Foata normal form. 0/963 useless extension candidates. Maximal degree in co-relation 1173. Up to 41 conditions per place. [2024-11-10 14:36:10,558 INFO L140 encePairwiseOnDemand]: 431/435 looper letters, 12 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2024-11-10 14:36:10,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 387 transitions, 833 flow [2024-11-10 14:36:10,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:10,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2024-11-10 14:36:10,561 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9455938697318008 [2024-11-10 14:36:10,561 INFO L175 Difference]: Start difference. First operand has 384 places, 384 transitions, 796 flow. Second operand 3 states and 1234 transitions. [2024-11-10 14:36:10,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 387 transitions, 833 flow [2024-11-10 14:36:10,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 387 transitions, 829 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:10,566 INFO L231 Difference]: Finished difference. Result has 383 places, 384 transitions, 802 flow [2024-11-10 14:36:10,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=383, PETRI_TRANSITIONS=384} [2024-11-10 14:36:10,568 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -13 predicate places. [2024-11-10 14:36:10,569 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 384 transitions, 802 flow [2024-11-10 14:36:10,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,570 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:10,570 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:10,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:36:10,570 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:10,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:10,571 INFO L85 PathProgramCache]: Analyzing trace with hash 63939716, now seen corresponding path program 1 times [2024-11-10 14:36:10,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:10,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952508236] [2024-11-10 14:36:10,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:10,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:10,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:10,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952508236] [2024-11-10 14:36:10,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952508236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:10,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:10,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:10,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039009997] [2024-11-10 14:36:10,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:10,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:10,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:10,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:10,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:10,633 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 435 [2024-11-10 14:36:10,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 384 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:10,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 435 [2024-11-10 14:36:10,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:10,716 INFO L124 PetriNetUnfolderBase]: 48/917 cut-off events. [2024-11-10 14:36:10,716 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-10 14:36:10,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1028 conditions, 917 events. 48/917 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4004 event pairs, 10 based on Foata normal form. 0/795 useless extension candidates. Maximal degree in co-relation 1022. Up to 61 conditions per place. [2024-11-10 14:36:10,723 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 14 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-11-10 14:36:10,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 384 transitions, 835 flow [2024-11-10 14:36:10,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:10,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2024-11-10 14:36:10,726 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348659003831418 [2024-11-10 14:36:10,726 INFO L175 Difference]: Start difference. First operand has 383 places, 384 transitions, 802 flow. Second operand 3 states and 1220 transitions. [2024-11-10 14:36:10,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 384 transitions, 835 flow [2024-11-10 14:36:10,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 384 transitions, 835 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:10,732 INFO L231 Difference]: Finished difference. Result has 384 places, 383 transitions, 804 flow [2024-11-10 14:36:10,732 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=384, PETRI_TRANSITIONS=383} [2024-11-10 14:36:10,733 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -12 predicate places. [2024-11-10 14:36:10,733 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 383 transitions, 804 flow [2024-11-10 14:36:10,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,734 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:10,734 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:10,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:36:10,734 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:10,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:10,734 INFO L85 PathProgramCache]: Analyzing trace with hash 990340713, now seen corresponding path program 1 times [2024-11-10 14:36:10,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:10,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922090944] [2024-11-10 14:36:10,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:10,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:10,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:10,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:10,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922090944] [2024-11-10 14:36:10,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922090944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:10,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:10,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:10,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965439644] [2024-11-10 14:36:10,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:10,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:10,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:10,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:10,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:10,792 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-10 14:36:10,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 383 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:10,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-10 14:36:10,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:10,887 INFO L124 PetriNetUnfolderBase]: 45/1043 cut-off events. [2024-11-10 14:36:10,887 INFO L125 PetriNetUnfolderBase]: For 6/18 co-relation queries the response was YES. [2024-11-10 14:36:10,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1169 conditions, 1043 events. 45/1043 cut-off events. For 6/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4389 event pairs, 5 based on Foata normal form. 2/931 useless extension candidates. Maximal degree in co-relation 1162. Up to 36 conditions per place. [2024-11-10 14:36:10,895 INFO L140 encePairwiseOnDemand]: 425/435 looper letters, 16 selfloop transitions, 5 changer transitions 0/382 dead transitions. [2024-11-10 14:36:10,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 382 transitions, 845 flow [2024-11-10 14:36:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:10,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:10,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1211 transitions. [2024-11-10 14:36:10,897 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9279693486590038 [2024-11-10 14:36:10,897 INFO L175 Difference]: Start difference. First operand has 384 places, 383 transitions, 804 flow. Second operand 3 states and 1211 transitions. [2024-11-10 14:36:10,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 382 transitions, 845 flow [2024-11-10 14:36:10,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 382 transitions, 841 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:10,901 INFO L231 Difference]: Finished difference. Result has 381 places, 381 transitions, 822 flow [2024-11-10 14:36:10,901 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=381, PETRI_TRANSITIONS=381} [2024-11-10 14:36:10,902 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -15 predicate places. [2024-11-10 14:36:10,902 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 381 transitions, 822 flow [2024-11-10 14:36:10,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:10,903 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:10,903 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:10,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:36:10,903 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:10,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:10,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1140310919, now seen corresponding path program 1 times [2024-11-10 14:36:10,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:10,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104723079] [2024-11-10 14:36:10,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:10,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:10,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:10,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:10,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104723079] [2024-11-10 14:36:10,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104723079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:10,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:10,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:36:10,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44574790] [2024-11-10 14:36:10,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:10,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:36:10,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:10,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:36:10,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:36:11,026 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 435 [2024-11-10 14:36:11,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 381 transitions, 822 flow. Second operand has 4 states, 4 states have (on average 406.25) internal successors, (1625), 4 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:11,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:11,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 435 [2024-11-10 14:36:11,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:11,153 INFO L124 PetriNetUnfolderBase]: 46/1189 cut-off events. [2024-11-10 14:36:11,154 INFO L125 PetriNetUnfolderBase]: For 32/54 co-relation queries the response was YES. [2024-11-10 14:36:11,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 1189 events. 46/1189 cut-off events. For 32/54 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5512 event pairs, 7 based on Foata normal form. 3/1065 useless extension candidates. Maximal degree in co-relation 1357. Up to 34 conditions per place. [2024-11-10 14:36:11,162 INFO L140 encePairwiseOnDemand]: 430/435 looper letters, 20 selfloop transitions, 4 changer transitions 0/392 dead transitions. [2024-11-10 14:36:11,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 392 transitions, 897 flow [2024-11-10 14:36:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:36:11,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:36:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2050 transitions. [2024-11-10 14:36:11,165 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-10 14:36:11,165 INFO L175 Difference]: Start difference. First operand has 381 places, 381 transitions, 822 flow. Second operand 5 states and 2050 transitions. [2024-11-10 14:36:11,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 392 transitions, 897 flow [2024-11-10 14:36:11,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 392 transitions, 887 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:11,170 INFO L231 Difference]: Finished difference. Result has 386 places, 383 transitions, 837 flow [2024-11-10 14:36:11,170 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=837, PETRI_PLACES=386, PETRI_TRANSITIONS=383} [2024-11-10 14:36:11,171 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -10 predicate places. [2024-11-10 14:36:11,171 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 383 transitions, 837 flow [2024-11-10 14:36:11,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 406.25) internal successors, (1625), 4 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:11,172 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:11,172 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:11,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:36:11,172 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:11,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:11,173 INFO L85 PathProgramCache]: Analyzing trace with hash -2066487733, now seen corresponding path program 1 times [2024-11-10 14:36:11,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:11,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519179307] [2024-11-10 14:36:11,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:11,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:11,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:11,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:11,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519179307] [2024-11-10 14:36:11,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519179307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:11,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:11,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:11,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441551469] [2024-11-10 14:36:11,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:11,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:11,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:11,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:11,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:11,231 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 435 [2024-11-10 14:36:11,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 383 transitions, 837 flow. Second operand has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:11,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:11,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 435 [2024-11-10 14:36:11,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:11,345 INFO L124 PetriNetUnfolderBase]: 57/1135 cut-off events. [2024-11-10 14:36:11,345 INFO L125 PetriNetUnfolderBase]: For 36/69 co-relation queries the response was YES. [2024-11-10 14:36:11,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 1135 events. 57/1135 cut-off events. For 36/69 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5130 event pairs, 14 based on Foata normal form. 2/1029 useless extension candidates. Maximal degree in co-relation 1353. Up to 79 conditions per place. [2024-11-10 14:36:11,353 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 16 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-11-10 14:36:11,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 383 transitions, 874 flow [2024-11-10 14:36:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:11,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2024-11-10 14:36:11,355 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348659003831418 [2024-11-10 14:36:11,355 INFO L175 Difference]: Start difference. First operand has 386 places, 383 transitions, 837 flow. Second operand 3 states and 1220 transitions. [2024-11-10 14:36:11,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 383 transitions, 874 flow [2024-11-10 14:36:11,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 383 transitions, 874 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:11,361 INFO L231 Difference]: Finished difference. Result has 387 places, 382 transitions, 839 flow [2024-11-10 14:36:11,362 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=839, PETRI_PLACES=387, PETRI_TRANSITIONS=382} [2024-11-10 14:36:11,362 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -9 predicate places. [2024-11-10 14:36:11,362 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 382 transitions, 839 flow [2024-11-10 14:36:11,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:11,364 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:11,364 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:11,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:36:11,364 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:11,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:11,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1474605035, now seen corresponding path program 1 times [2024-11-10 14:36:11,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:11,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229373178] [2024-11-10 14:36:11,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:11,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:11,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:11,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229373178] [2024-11-10 14:36:11,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229373178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:11,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:11,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:36:11,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668105307] [2024-11-10 14:36:11,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:11,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:36:11,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:11,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:36:11,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:36:11,526 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-10 14:36:11,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 382 transitions, 839 flow. Second operand has 5 states, 5 states have (on average 398.4) internal successors, (1992), 5 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:11,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:11,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-10 14:36:11,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:11,646 INFO L124 PetriNetUnfolderBase]: 28/1078 cut-off events. [2024-11-10 14:36:11,646 INFO L125 PetriNetUnfolderBase]: For 21/29 co-relation queries the response was YES. [2024-11-10 14:36:11,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1213 conditions, 1078 events. 28/1078 cut-off events. For 21/29 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4333 event pairs, 1 based on Foata normal form. 2/980 useless extension candidates. Maximal degree in co-relation 1202. Up to 17 conditions per place. [2024-11-10 14:36:11,654 INFO L140 encePairwiseOnDemand]: 421/435 looper letters, 12 selfloop transitions, 12 changer transitions 0/384 dead transitions. [2024-11-10 14:36:11,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 384 transitions, 891 flow [2024-11-10 14:36:11,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:36:11,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:36:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2001 transitions. [2024-11-10 14:36:11,658 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.92 [2024-11-10 14:36:11,658 INFO L175 Difference]: Start difference. First operand has 387 places, 382 transitions, 839 flow. Second operand 5 states and 2001 transitions. [2024-11-10 14:36:11,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 384 transitions, 891 flow [2024-11-10 14:36:11,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 384 transitions, 887 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:11,663 INFO L231 Difference]: Finished difference. Result has 390 places, 384 transitions, 875 flow [2024-11-10 14:36:11,663 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=875, PETRI_PLACES=390, PETRI_TRANSITIONS=384} [2024-11-10 14:36:11,664 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -6 predicate places. [2024-11-10 14:36:11,665 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 384 transitions, 875 flow [2024-11-10 14:36:11,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 398.4) internal successors, (1992), 5 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:11,666 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:11,666 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:11,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:36:11,667 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:11,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:11,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2039218144, now seen corresponding path program 1 times [2024-11-10 14:36:11,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:11,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112313485] [2024-11-10 14:36:11,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:11,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:36:11,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:11,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112313485] [2024-11-10 14:36:11,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112313485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:36:11,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317135338] [2024-11-10 14:36:11,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:11,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:36:11,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:36:11,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:36:11,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:36:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:11,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 14:36:11,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:36:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:36:12,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:36:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:36:12,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317135338] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:36:12,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:36:12,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-10 14:36:12,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983696267] [2024-11-10 14:36:12,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:36:12,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 14:36:12,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:12,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 14:36:12,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-10 14:36:12,495 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 435 [2024-11-10 14:36:12,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 384 transitions, 875 flow. Second operand has 15 states, 15 states have (on average 391.6666666666667) internal successors, (5875), 15 states have internal predecessors, (5875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:12,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:12,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 435 [2024-11-10 14:36:12,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:12,763 INFO L124 PetriNetUnfolderBase]: 28/1116 cut-off events. [2024-11-10 14:36:12,764 INFO L125 PetriNetUnfolderBase]: For 31/39 co-relation queries the response was YES. [2024-11-10 14:36:12,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1282 conditions, 1116 events. 28/1116 cut-off events. For 31/39 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4283 event pairs, 1 based on Foata normal form. 4/1020 useless extension candidates. Maximal degree in co-relation 1270. Up to 17 conditions per place. [2024-11-10 14:36:12,770 INFO L140 encePairwiseOnDemand]: 415/435 looper letters, 20 selfloop transitions, 26 changer transitions 0/400 dead transitions. [2024-11-10 14:36:12,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 400 transitions, 1003 flow [2024-11-10 14:36:12,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:36:12,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-10 14:36:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4329 transitions. [2024-11-10 14:36:12,775 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9047021943573668 [2024-11-10 14:36:12,775 INFO L175 Difference]: Start difference. First operand has 390 places, 384 transitions, 875 flow. Second operand 11 states and 4329 transitions. [2024-11-10 14:36:12,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 400 transitions, 1003 flow [2024-11-10 14:36:12,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 400 transitions, 983 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 14:36:12,780 INFO L231 Difference]: Finished difference. Result has 400 places, 396 transitions, 975 flow [2024-11-10 14:36:12,780 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=975, PETRI_PLACES=400, PETRI_TRANSITIONS=396} [2024-11-10 14:36:12,781 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, 4 predicate places. [2024-11-10 14:36:12,781 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 396 transitions, 975 flow [2024-11-10 14:36:12,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 391.6666666666667) internal successors, (5875), 15 states have internal predecessors, (5875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:12,782 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:12,783 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:12,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 14:36:12,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 14:36:12,984 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:12,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:12,984 INFO L85 PathProgramCache]: Analyzing trace with hash -821411190, now seen corresponding path program 2 times [2024-11-10 14:36:12,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:12,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124523237] [2024-11-10 14:36:12,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:12,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:13,184 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-10 14:36:13,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:13,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124523237] [2024-11-10 14:36:13,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124523237] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:36:13,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36119885] [2024-11-10 14:36:13,184 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:36:13,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:36:13,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:36:13,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:36:13,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:36:13,279 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:36:13,279 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:36:13,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 14:36:13,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:36:13,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-10 14:36:13,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-10 14:36:13,378 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:36:13,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-10 14:36:13,412 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:36:13,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-10 14:36:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 14:36:13,438 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:36:13,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36119885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:13,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:36:13,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-10 14:36:13,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362635607] [2024-11-10 14:36:13,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:13,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:36:13,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:13,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:36:13,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-10 14:36:13,674 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-10 14:36:13,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 396 transitions, 975 flow. Second operand has 6 states, 6 states have (on average 397.8333333333333) internal successors, (2387), 6 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:13,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:13,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-10 14:36:13,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:13,815 INFO L124 PetriNetUnfolderBase]: 43/1239 cut-off events. [2024-11-10 14:36:13,815 INFO L125 PetriNetUnfolderBase]: For 46/67 co-relation queries the response was YES. [2024-11-10 14:36:13,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1239 events. 43/1239 cut-off events. For 46/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5343 event pairs, 3 based on Foata normal form. 4/1135 useless extension candidates. Maximal degree in co-relation 1491. Up to 52 conditions per place. [2024-11-10 14:36:13,824 INFO L140 encePairwiseOnDemand]: 429/435 looper letters, 20 selfloop transitions, 6 changer transitions 0/399 dead transitions. [2024-11-10 14:36:13,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 399 transitions, 1037 flow [2024-11-10 14:36:13,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:36:13,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:36:13,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2396 transitions. [2024-11-10 14:36:13,828 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.918007662835249 [2024-11-10 14:36:13,828 INFO L175 Difference]: Start difference. First operand has 400 places, 396 transitions, 975 flow. Second operand 6 states and 2396 transitions. [2024-11-10 14:36:13,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 399 transitions, 1037 flow [2024-11-10 14:36:13,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 399 transitions, 1013 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-10 14:36:13,833 INFO L231 Difference]: Finished difference. Result has 401 places, 395 transitions, 961 flow [2024-11-10 14:36:13,833 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=949, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=961, PETRI_PLACES=401, PETRI_TRANSITIONS=395} [2024-11-10 14:36:13,834 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, 5 predicate places. [2024-11-10 14:36:13,834 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 395 transitions, 961 flow [2024-11-10 14:36:13,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 397.8333333333333) internal successors, (2387), 6 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:13,835 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:13,835 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:13,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 14:36:14,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 14:36:14,037 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:14,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:14,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1852892470, now seen corresponding path program 1 times [2024-11-10 14:36:14,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:14,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112192489] [2024-11-10 14:36:14,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:14,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 14:36:14,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:14,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112192489] [2024-11-10 14:36:14,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112192489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:14,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:14,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:14,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436422948] [2024-11-10 14:36:14,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:14,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:14,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:14,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:14,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:14,127 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 435 [2024-11-10 14:36:14,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 395 transitions, 961 flow. Second operand has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:14,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:14,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 435 [2024-11-10 14:36:14,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:14,340 INFO L124 PetriNetUnfolderBase]: 62/1671 cut-off events. [2024-11-10 14:36:14,340 INFO L125 PetriNetUnfolderBase]: For 51/58 co-relation queries the response was YES. [2024-11-10 14:36:14,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1984 conditions, 1671 events. 62/1671 cut-off events. For 51/58 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 9084 event pairs, 7 based on Foata normal form. 0/1535 useless extension candidates. Maximal degree in co-relation 1969. Up to 76 conditions per place. [2024-11-10 14:36:14,350 INFO L140 encePairwiseOnDemand]: 431/435 looper letters, 12 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2024-11-10 14:36:14,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 398 transitions, 998 flow [2024-11-10 14:36:14,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:14,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2024-11-10 14:36:14,352 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9455938697318008 [2024-11-10 14:36:14,352 INFO L175 Difference]: Start difference. First operand has 401 places, 395 transitions, 961 flow. Second operand 3 states and 1234 transitions. [2024-11-10 14:36:14,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 398 transitions, 998 flow [2024-11-10 14:36:14,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 398 transitions, 986 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:36:14,357 INFO L231 Difference]: Finished difference. Result has 397 places, 395 transitions, 959 flow [2024-11-10 14:36:14,358 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=945, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=959, PETRI_PLACES=397, PETRI_TRANSITIONS=395} [2024-11-10 14:36:14,358 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, 1 predicate places. [2024-11-10 14:36:14,358 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 395 transitions, 959 flow [2024-11-10 14:36:14,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:14,359 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:14,359 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:14,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 14:36:14,359 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:14,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:14,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1605122517, now seen corresponding path program 1 times [2024-11-10 14:36:14,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:14,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732228115] [2024-11-10 14:36:14,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:14,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:14,413 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 14:36:14,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:14,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732228115] [2024-11-10 14:36:14,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732228115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:14,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:14,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:14,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713149233] [2024-11-10 14:36:14,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:14,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:14,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:14,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:14,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:14,434 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-10 14:36:14,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 395 transitions, 959 flow. Second operand has 3 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:14,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:14,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-10 14:36:14,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:14,637 INFO L124 PetriNetUnfolderBase]: 84/1939 cut-off events. [2024-11-10 14:36:14,637 INFO L125 PetriNetUnfolderBase]: For 62/65 co-relation queries the response was YES. [2024-11-10 14:36:14,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2290 conditions, 1939 events. 84/1939 cut-off events. For 62/65 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 10832 event pairs, 15 based on Foata normal form. 4/1788 useless extension candidates. Maximal degree in co-relation 2275. Up to 84 conditions per place. [2024-11-10 14:36:14,647 INFO L140 encePairwiseOnDemand]: 423/435 looper letters, 10 selfloop transitions, 4 changer transitions 38/396 dead transitions. [2024-11-10 14:36:14,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 396 transitions, 1006 flow [2024-11-10 14:36:14,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:14,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:14,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2024-11-10 14:36:14,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9287356321839081 [2024-11-10 14:36:14,651 INFO L175 Difference]: Start difference. First operand has 397 places, 395 transitions, 959 flow. Second operand 3 states and 1212 transitions. [2024-11-10 14:36:14,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 396 transitions, 1006 flow [2024-11-10 14:36:14,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 396 transitions, 1006 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:14,658 INFO L231 Difference]: Finished difference. Result has 396 places, 357 transitions, 902 flow [2024-11-10 14:36:14,658 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=949, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=396, PETRI_TRANSITIONS=357} [2024-11-10 14:36:14,659 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, 0 predicate places. [2024-11-10 14:36:14,659 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 357 transitions, 902 flow [2024-11-10 14:36:14,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:14,659 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:14,659 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:14,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 14:36:14,660 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:14,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:14,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1991560142, now seen corresponding path program 1 times [2024-11-10 14:36:14,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:14,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090945281] [2024-11-10 14:36:14,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:14,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:14,734 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 14:36:14,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:14,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090945281] [2024-11-10 14:36:14,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090945281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:14,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:14,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:36:14,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76453084] [2024-11-10 14:36:14,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:14,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:36:14,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:14,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:36:14,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:36:14,769 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 435 [2024-11-10 14:36:14,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 357 transitions, 902 flow. Second operand has 4 states, 4 states have (on average 406.5) internal successors, (1626), 4 states have internal predecessors, (1626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:14,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:14,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 435 [2024-11-10 14:36:14,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:14,968 INFO L124 PetriNetUnfolderBase]: 64/1721 cut-off events. [2024-11-10 14:36:14,968 INFO L125 PetriNetUnfolderBase]: For 103/106 co-relation queries the response was YES. [2024-11-10 14:36:14,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2143 conditions, 1721 events. 64/1721 cut-off events. For 103/106 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10096 event pairs, 25 based on Foata normal form. 0/1579 useless extension candidates. Maximal degree in co-relation 2126. Up to 76 conditions per place. [2024-11-10 14:36:14,979 INFO L140 encePairwiseOnDemand]: 430/435 looper letters, 15 selfloop transitions, 4 changer transitions 0/364 dead transitions. [2024-11-10 14:36:14,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 364 transitions, 955 flow [2024-11-10 14:36:14,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:36:14,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:36:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2045 transitions. [2024-11-10 14:36:14,982 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9402298850574713 [2024-11-10 14:36:14,982 INFO L175 Difference]: Start difference. First operand has 396 places, 357 transitions, 902 flow. Second operand 5 states and 2045 transitions. [2024-11-10 14:36:14,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 364 transitions, 955 flow [2024-11-10 14:36:14,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 364 transitions, 947 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:14,987 INFO L231 Difference]: Finished difference. Result has 367 places, 359 transitions, 919 flow [2024-11-10 14:36:14,987 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=919, PETRI_PLACES=367, PETRI_TRANSITIONS=359} [2024-11-10 14:36:14,987 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -29 predicate places. [2024-11-10 14:36:14,987 INFO L471 AbstractCegarLoop]: Abstraction has has 367 places, 359 transitions, 919 flow [2024-11-10 14:36:14,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 406.5) internal successors, (1626), 4 states have internal predecessors, (1626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:14,992 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:14,992 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:14,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 14:36:14,992 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:14,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:14,992 INFO L85 PathProgramCache]: Analyzing trace with hash -813641838, now seen corresponding path program 1 times [2024-11-10 14:36:14,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:14,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380912003] [2024-11-10 14:36:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:14,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:15,193 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-10 14:36:15,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:15,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380912003] [2024-11-10 14:36:15,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380912003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:36:15,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586641367] [2024-11-10 14:36:15,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:15,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:36:15,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:36:15,194 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:36:15,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 14:36:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:15,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 14:36:15,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:36:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-10 14:36:15,542 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:36:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-10 14:36:15,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586641367] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:36:15,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:36:15,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-10 14:36:15,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605979234] [2024-11-10 14:36:15,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:36:15,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-10 14:36:15,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:15,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-10 14:36:15,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-10 14:36:16,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 435 [2024-11-10 14:36:16,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 359 transitions, 919 flow. Second operand has 22 states, 22 states have (on average 391.59090909090907) internal successors, (8615), 22 states have internal predecessors, (8615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:16,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:16,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 435 [2024-11-10 14:36:16,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:16,486 INFO L124 PetriNetUnfolderBase]: 21/1472 cut-off events. [2024-11-10 14:36:16,486 INFO L125 PetriNetUnfolderBase]: For 104/107 co-relation queries the response was YES. [2024-11-10 14:36:16,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1831 conditions, 1472 events. 21/1472 cut-off events. For 104/107 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5845 event pairs, 5 based on Foata normal form. 4/1391 useless extension candidates. Maximal degree in co-relation 1812. Up to 19 conditions per place. [2024-11-10 14:36:16,497 INFO L140 encePairwiseOnDemand]: 415/435 looper letters, 23 selfloop transitions, 38 changer transitions 0/379 dead transitions. [2024-11-10 14:36:16,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 379 transitions, 1137 flow [2024-11-10 14:36:16,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 14:36:16,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-10 14:36:16,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 6678 transitions. [2024-11-10 14:36:16,535 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9030425963488844 [2024-11-10 14:36:16,535 INFO L175 Difference]: Start difference. First operand has 367 places, 359 transitions, 919 flow. Second operand 17 states and 6678 transitions. [2024-11-10 14:36:16,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 379 transitions, 1137 flow [2024-11-10 14:36:16,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 379 transitions, 1137 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:36:16,541 INFO L231 Difference]: Finished difference. Result has 386 places, 373 transitions, 1103 flow [2024-11-10 14:36:16,541 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1103, PETRI_PLACES=386, PETRI_TRANSITIONS=373} [2024-11-10 14:36:16,542 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -10 predicate places. [2024-11-10 14:36:16,542 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 373 transitions, 1103 flow [2024-11-10 14:36:16,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 391.59090909090907) internal successors, (8615), 22 states have internal predecessors, (8615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:16,544 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:16,544 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:16,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 14:36:16,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:36:16,745 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:16,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:16,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1270601508, now seen corresponding path program 1 times [2024-11-10 14:36:16,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:16,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894506086] [2024-11-10 14:36:16,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:16,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-10 14:36:16,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:16,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894506086] [2024-11-10 14:36:16,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894506086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:16,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:16,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:16,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450538383] [2024-11-10 14:36:16,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:16,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:16,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:16,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:16,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:16,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 435 [2024-11-10 14:36:16,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 373 transitions, 1103 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:16,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:16,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 435 [2024-11-10 14:36:16,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:17,152 INFO L124 PetriNetUnfolderBase]: 85/1818 cut-off events. [2024-11-10 14:36:17,153 INFO L125 PetriNetUnfolderBase]: For 202/205 co-relation queries the response was YES. [2024-11-10 14:36:17,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2434 conditions, 1818 events. 85/1818 cut-off events. For 202/205 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 11219 event pairs, 46 based on Foata normal form. 0/1691 useless extension candidates. Maximal degree in co-relation 2411. Up to 135 conditions per place. [2024-11-10 14:36:17,166 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 11 selfloop transitions, 2 changer transitions 1/373 dead transitions. [2024-11-10 14:36:17,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 373 transitions, 1132 flow [2024-11-10 14:36:17,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2024-11-10 14:36:17,168 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9318007662835249 [2024-11-10 14:36:17,168 INFO L175 Difference]: Start difference. First operand has 386 places, 373 transitions, 1103 flow. Second operand 3 states and 1216 transitions. [2024-11-10 14:36:17,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 373 transitions, 1132 flow [2024-11-10 14:36:17,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 373 transitions, 1080 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-10 14:36:17,173 INFO L231 Difference]: Finished difference. Result has 379 places, 372 transitions, 1053 flow [2024-11-10 14:36:17,173 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1053, PETRI_PLACES=379, PETRI_TRANSITIONS=372} [2024-11-10 14:36:17,174 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -17 predicate places. [2024-11-10 14:36:17,174 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 372 transitions, 1053 flow [2024-11-10 14:36:17,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:17,174 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:17,174 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:17,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 14:36:17,175 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:17,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:17,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2024476036, now seen corresponding path program 2 times [2024-11-10 14:36:17,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:17,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324817113] [2024-11-10 14:36:17,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:17,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-10 14:36:17,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:17,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324817113] [2024-11-10 14:36:17,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324817113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:17,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:17,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:36:17,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214077137] [2024-11-10 14:36:17,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:17,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:36:17,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:17,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:36:17,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:36:17,875 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-10 14:36:17,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 372 transitions, 1053 flow. Second operand has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:17,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:17,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-10 14:36:17,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:18,126 INFO L124 PetriNetUnfolderBase]: 64/1941 cut-off events. [2024-11-10 14:36:18,127 INFO L125 PetriNetUnfolderBase]: For 183/186 co-relation queries the response was YES. [2024-11-10 14:36:18,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2547 conditions, 1941 events. 64/1941 cut-off events. For 183/186 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10078 event pairs, 13 based on Foata normal form. 0/1837 useless extension candidates. Maximal degree in co-relation 2524. Up to 80 conditions per place. [2024-11-10 14:36:18,139 INFO L140 encePairwiseOnDemand]: 429/435 looper letters, 19 selfloop transitions, 6 changer transitions 0/375 dead transitions. [2024-11-10 14:36:18,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 375 transitions, 1113 flow [2024-11-10 14:36:18,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:36:18,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:36:18,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2395 transitions. [2024-11-10 14:36:18,167 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9176245210727969 [2024-11-10 14:36:18,167 INFO L175 Difference]: Start difference. First operand has 379 places, 372 transitions, 1053 flow. Second operand 6 states and 2395 transitions. [2024-11-10 14:36:18,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 375 transitions, 1113 flow [2024-11-10 14:36:18,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 375 transitions, 1109 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:18,173 INFO L231 Difference]: Finished difference. Result has 381 places, 371 transitions, 1059 flow [2024-11-10 14:36:18,173 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1059, PETRI_PLACES=381, PETRI_TRANSITIONS=371} [2024-11-10 14:36:18,174 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -15 predicate places. [2024-11-10 14:36:18,174 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 371 transitions, 1059 flow [2024-11-10 14:36:18,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:18,174 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:18,175 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:18,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 14:36:18,175 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:18,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:18,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1157995385, now seen corresponding path program 1 times [2024-11-10 14:36:18,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:18,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913969439] [2024-11-10 14:36:18,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:18,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:18,683 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-10 14:36:18,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:18,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913969439] [2024-11-10 14:36:18,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913969439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:18,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:18,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:36:18,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825172775] [2024-11-10 14:36:18,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:18,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:36:18,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:18,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:36:18,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:36:18,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-10 14:36:18,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 371 transitions, 1059 flow. Second operand has 6 states, 6 states have (on average 397.8333333333333) internal successors, (2387), 6 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:18,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:18,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-10 14:36:18,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:19,088 INFO L124 PetriNetUnfolderBase]: 36/1556 cut-off events. [2024-11-10 14:36:19,088 INFO L125 PetriNetUnfolderBase]: For 123/126 co-relation queries the response was YES. [2024-11-10 14:36:19,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2063 conditions, 1556 events. 36/1556 cut-off events. For 123/126 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6526 event pairs, 7 based on Foata normal form. 0/1485 useless extension candidates. Maximal degree in co-relation 2040. Up to 70 conditions per place. [2024-11-10 14:36:19,096 INFO L140 encePairwiseOnDemand]: 429/435 looper letters, 19 selfloop transitions, 6 changer transitions 0/374 dead transitions. [2024-11-10 14:36:19,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 374 transitions, 1119 flow [2024-11-10 14:36:19,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:36:19,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:36:19,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2395 transitions. [2024-11-10 14:36:19,099 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9176245210727969 [2024-11-10 14:36:19,099 INFO L175 Difference]: Start difference. First operand has 381 places, 371 transitions, 1059 flow. Second operand 6 states and 2395 transitions. [2024-11-10 14:36:19,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 374 transitions, 1119 flow [2024-11-10 14:36:19,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 374 transitions, 1107 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:36:19,106 INFO L231 Difference]: Finished difference. Result has 380 places, 370 transitions, 1057 flow [2024-11-10 14:36:19,106 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1057, PETRI_PLACES=380, PETRI_TRANSITIONS=370} [2024-11-10 14:36:19,106 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -16 predicate places. [2024-11-10 14:36:19,106 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 370 transitions, 1057 flow [2024-11-10 14:36:19,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 397.8333333333333) internal successors, (2387), 6 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:19,107 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:19,107 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:19,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 14:36:19,107 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:19,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:19,108 INFO L85 PathProgramCache]: Analyzing trace with hash -142955135, now seen corresponding path program 1 times [2024-11-10 14:36:19,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:19,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606105787] [2024-11-10 14:36:19,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:19,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:19,687 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-10 14:36:19,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:19,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606105787] [2024-11-10 14:36:19,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606105787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:19,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:19,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:36:19,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555296863] [2024-11-10 14:36:19,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:19,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:36:19,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:19,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:36:19,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:36:19,868 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-10 14:36:19,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 370 transitions, 1057 flow. Second operand has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:19,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:19,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-10 14:36:19,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:20,144 INFO L124 PetriNetUnfolderBase]: 64/1887 cut-off events. [2024-11-10 14:36:20,144 INFO L125 PetriNetUnfolderBase]: For 176/179 co-relation queries the response was YES. [2024-11-10 14:36:20,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2506 conditions, 1887 events. 64/1887 cut-off events. For 176/179 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 9951 event pairs, 13 based on Foata normal form. 0/1806 useless extension candidates. Maximal degree in co-relation 2483. Up to 80 conditions per place. [2024-11-10 14:36:20,151 INFO L140 encePairwiseOnDemand]: 429/435 looper letters, 19 selfloop transitions, 6 changer transitions 0/373 dead transitions. [2024-11-10 14:36:20,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 373 transitions, 1117 flow [2024-11-10 14:36:20,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:36:20,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:36:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2395 transitions. [2024-11-10 14:36:20,153 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9176245210727969 [2024-11-10 14:36:20,153 INFO L175 Difference]: Start difference. First operand has 380 places, 370 transitions, 1057 flow. Second operand 6 states and 2395 transitions. [2024-11-10 14:36:20,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 373 transitions, 1117 flow [2024-11-10 14:36:20,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 373 transitions, 1105 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:36:20,158 INFO L231 Difference]: Finished difference. Result has 379 places, 369 transitions, 1055 flow [2024-11-10 14:36:20,158 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1055, PETRI_PLACES=379, PETRI_TRANSITIONS=369} [2024-11-10 14:36:20,158 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -17 predicate places. [2024-11-10 14:36:20,158 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 369 transitions, 1055 flow [2024-11-10 14:36:20,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:20,159 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:20,159 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:20,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 14:36:20,159 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:20,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:20,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1649182600, now seen corresponding path program 1 times [2024-11-10 14:36:20,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:20,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586074860] [2024-11-10 14:36:20,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:20,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-10 14:36:20,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:20,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586074860] [2024-11-10 14:36:20,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586074860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:20,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:20,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:20,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036898193] [2024-11-10 14:36:20,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:20,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:20,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:20,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:20,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:20,264 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 435 [2024-11-10 14:36:20,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 369 transitions, 1055 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:20,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:20,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 435 [2024-11-10 14:36:20,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:20,445 INFO L124 PetriNetUnfolderBase]: 42/1559 cut-off events. [2024-11-10 14:36:20,445 INFO L125 PetriNetUnfolderBase]: For 123/123 co-relation queries the response was YES. [2024-11-10 14:36:20,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2066 conditions, 1559 events. 42/1559 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6656 event pairs, 17 based on Foata normal form. 0/1508 useless extension candidates. Maximal degree in co-relation 2043. Up to 79 conditions per place. [2024-11-10 14:36:20,454 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 11 selfloop transitions, 3 changer transitions 0/369 dead transitions. [2024-11-10 14:36:20,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 369 transitions, 1084 flow [2024-11-10 14:36:20,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2024-11-10 14:36:20,455 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9318007662835249 [2024-11-10 14:36:20,455 INFO L175 Difference]: Start difference. First operand has 379 places, 369 transitions, 1055 flow. Second operand 3 states and 1216 transitions. [2024-11-10 14:36:20,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 369 transitions, 1084 flow [2024-11-10 14:36:20,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 369 transitions, 1072 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:36:20,460 INFO L231 Difference]: Finished difference. Result has 375 places, 368 transitions, 1047 flow [2024-11-10 14:36:20,461 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1047, PETRI_PLACES=375, PETRI_TRANSITIONS=368} [2024-11-10 14:36:20,461 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -21 predicate places. [2024-11-10 14:36:20,461 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 368 transitions, 1047 flow [2024-11-10 14:36:20,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:20,462 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:20,462 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:20,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 14:36:20,462 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:36:20,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:20,463 INFO L85 PathProgramCache]: Analyzing trace with hash 47405616, now seen corresponding path program 1 times [2024-11-10 14:36:20,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:20,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007956523] [2024-11-10 14:36:20,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:20,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-10 14:36:20,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:20,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007956523] [2024-11-10 14:36:20,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007956523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:20,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:20,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:20,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773124142] [2024-11-10 14:36:20,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:20,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:20,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:20,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:20,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:20,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 435 [2024-11-10 14:36:20,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 368 transitions, 1047 flow. Second operand has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:20,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:20,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 435 [2024-11-10 14:36:20,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:20,765 INFO L124 PetriNetUnfolderBase]: 76/1766 cut-off events. [2024-11-10 14:36:20,765 INFO L125 PetriNetUnfolderBase]: For 184/187 co-relation queries the response was YES. [2024-11-10 14:36:20,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2348 conditions, 1766 events. 76/1766 cut-off events. For 184/187 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10266 event pairs, 43 based on Foata normal form. 0/1693 useless extension candidates. Maximal degree in co-relation 2325. Up to 127 conditions per place. [2024-11-10 14:36:20,772 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 0 selfloop transitions, 0 changer transitions 368/368 dead transitions. [2024-11-10 14:36:20,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 368 transitions, 1076 flow [2024-11-10 14:36:20,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:20,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2024-11-10 14:36:20,773 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9318007662835249 [2024-11-10 14:36:20,773 INFO L175 Difference]: Start difference. First operand has 375 places, 368 transitions, 1047 flow. Second operand 3 states and 1216 transitions. [2024-11-10 14:36:20,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 368 transitions, 1076 flow [2024-11-10 14:36:20,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 368 transitions, 1070 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:20,777 INFO L231 Difference]: Finished difference. Result has 374 places, 0 transitions, 0 flow [2024-11-10 14:36:20,777 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=374, PETRI_TRANSITIONS=0} [2024-11-10 14:36:20,778 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -22 predicate places. [2024-11-10 14:36:20,778 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 0 transitions, 0 flow [2024-11-10 14:36:20,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:20,780 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (57 of 58 remaining) [2024-11-10 14:36:20,780 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2024-11-10 14:36:20,780 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2024-11-10 14:36:20,780 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2024-11-10 14:36:20,780 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2024-11-10 14:36:20,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2024-11-10 14:36:20,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2024-11-10 14:36:20,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2024-11-10 14:36:20,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2024-11-10 14:36:20,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2024-11-10 14:36:20,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2024-11-10 14:36:20,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2024-11-10 14:36:20,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2024-11-10 14:36:20,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2024-11-10 14:36:20,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2024-11-10 14:36:20,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2024-11-10 14:36:20,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2024-11-10 14:36:20,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2024-11-10 14:36:20,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2024-11-10 14:36:20,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 14:36:20,784 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:20,788 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:36:20,788 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:36:20,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:36:20 BasicIcfg [2024-11-10 14:36:20,791 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:36:20,792 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:36:20,792 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:36:20,792 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:36:20,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:36:07" (3/4) ... [2024-11-10 14:36:20,793 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:36:20,796 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:36:20,796 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:36:20,800 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-10 14:36:20,800 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:36:20,801 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:36:20,801 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:36:20,876 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:36:20,876 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:36:20,876 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:36:20,876 INFO L158 Benchmark]: Toolchain (without parser) took 13898.49ms. Allocated memory was 142.6MB in the beginning and 610.3MB in the end (delta: 467.7MB). Free memory was 73.0MB in the beginning and 467.7MB in the end (delta: -394.7MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2024-11-10 14:36:20,876 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:36:20,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.69ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 72.8MB in the beginning and 173.7MB in the end (delta: -100.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 14:36:20,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.05ms. Allocated memory is still 203.4MB. Free memory was 173.6MB in the beginning and 172.4MB in the end (delta: 1.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-10 14:36:20,877 INFO L158 Benchmark]: Boogie Preprocessor took 31.73ms. Allocated memory is still 203.4MB. Free memory was 172.4MB in the beginning and 170.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:36:20,877 INFO L158 Benchmark]: IcfgBuilder took 566.90ms. Allocated memory is still 203.4MB. Free memory was 170.3MB in the beginning and 136.8MB in the end (delta: 33.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-10 14:36:20,877 INFO L158 Benchmark]: TraceAbstraction took 12892.24ms. Allocated memory was 203.4MB in the beginning and 610.3MB in the end (delta: 406.8MB). Free memory was 135.7MB in the beginning and 474.0MB in the end (delta: -338.3MB). Peak memory consumption was 334.9MB. Max. memory is 16.1GB. [2024-11-10 14:36:20,877 INFO L158 Benchmark]: Witness Printer took 84.32ms. Allocated memory is still 610.3MB. Free memory was 474.0MB in the beginning and 467.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 14:36:20,878 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.69ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 72.8MB in the beginning and 173.7MB in the end (delta: -100.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.05ms. Allocated memory is still 203.4MB. Free memory was 173.6MB in the beginning and 172.4MB in the end (delta: 1.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.73ms. Allocated memory is still 203.4MB. Free memory was 172.4MB in the beginning and 170.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 566.90ms. Allocated memory is still 203.4MB. Free memory was 170.3MB in the beginning and 136.8MB in the end (delta: 33.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12892.24ms. Allocated memory was 203.4MB in the beginning and 610.3MB in the end (delta: 406.8MB). Free memory was 135.7MB in the beginning and 474.0MB in the end (delta: -338.3MB). Peak memory consumption was 334.9MB. Max. memory is 16.1GB. * Witness Printer took 84.32ms. Allocated memory is still 610.3MB. Free memory was 474.0MB in the beginning and 467.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: 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: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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, 612 locations, 58 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: 12.7s, OverallIterations: 27, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2466 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1561 mSDsluCounter, 1160 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 857 mSDsCounter, 347 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4437 IncrementalHoareTripleChecker+Invalid, 4784 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 347 mSolverCounterUnsat, 303 mSDtfsCounter, 4437 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1135 GetRequests, 1019 SyntacticMatches, 5 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1103occurred in iteration=21, InterpolantAutomatonStates: 123, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 5270 NumberOfCodeBlocks, 5174 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 5632 ConstructedInterpolants, 0 QuantifiedInterpolants, 7803 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1132 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 32 InterpolantComputations, 25 PerfectInterpolantSequences, 2694/2916 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:36:20,901 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