./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99f794c04b6feffb38c1e5c415a278bf34dda5287d389b184a9a7d818ab0b70e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:35:45,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:35:45,922 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:35:45,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:35:45,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:35:45,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:35:45,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:35:45,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:35:45,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:35:45,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:35:45,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:35:45,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:35:45,960 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:35:45,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:35:45,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:35:45,963 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:35:45,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:35:45,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:35:45,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:35:45,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:35:45,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:35:45,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:35:45,968 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:35:45,969 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:35:45,969 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:35:45,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:35:45,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:35:45,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:35:45,970 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:35:45,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:35:45,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:35:45,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:35:45,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:35:45,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:35:45,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:35:45,971 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:35:45,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:35:45,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:35:45,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:35:45,973 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:35:45,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:35:45,974 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f794c04b6feffb38c1e5c415a278bf34dda5287d389b184a9a7d818ab0b70e [2024-11-16 23:35:46,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:35:46,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:35:46,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:35:46,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:35:46,237 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:35:46,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i [2024-11-16 23:35:47,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:35:47,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:35:47,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i [2024-11-16 23:35:47,960 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e79d7da7/16bfbe6e9a714d5ebca1805aaa0a413a/FLAG599ae0583 [2024-11-16 23:35:47,975 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e79d7da7/16bfbe6e9a714d5ebca1805aaa0a413a [2024-11-16 23:35:47,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:35:47,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:35:47,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:35:47,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:35:47,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:35:47,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:35:47" (1/1) ... [2024-11-16 23:35:47,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1707151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:47, skipping insertion in model container [2024-11-16 23:35:47,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:35:47" (1/1) ... [2024-11-16 23:35:48,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:35:48,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:35:48,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:35:48,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:35:48,587 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:35:48,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48 WrapperNode [2024-11-16 23:35:48,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:35:48,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:35:48,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:35:48,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:35:48,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48" (1/1) ... [2024-11-16 23:35:48,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48" (1/1) ... [2024-11-16 23:35:48,666 INFO L138 Inliner]: procedures = 265, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 150 [2024-11-16 23:35:48,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:35:48,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:35:48,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:35:48,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:35:48,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48" (1/1) ... [2024-11-16 23:35:48,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48" (1/1) ... [2024-11-16 23:35:48,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48" (1/1) ... [2024-11-16 23:35:48,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48" (1/1) ... [2024-11-16 23:35:48,699 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48" (1/1) ... [2024-11-16 23:35:48,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48" (1/1) ... [2024-11-16 23:35:48,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48" (1/1) ... [2024-11-16 23:35:48,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48" (1/1) ... [2024-11-16 23:35:48,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:35:48,708 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:35:48,709 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:35:48,709 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:35:48,710 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48" (1/1) ... [2024-11-16 23:35:48,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:35:48,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:48,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:35:48,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:35:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:35:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:35:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:35:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:35:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:35:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-16 23:35:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-16 23:35:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:35:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:35:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:35:48,803 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:35:48,964 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:35:48,970 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:35:49,348 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:35:49,349 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:35:49,383 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:35:49,385 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:35:49,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:35:49 BoogieIcfgContainer [2024-11-16 23:35:49,386 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:35:49,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:35:49,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:35:49,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:35:49,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:35:47" (1/3) ... [2024-11-16 23:35:49,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f058b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:35:49, skipping insertion in model container [2024-11-16 23:35:49,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:48" (2/3) ... [2024-11-16 23:35:49,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f058b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:35:49, skipping insertion in model container [2024-11-16 23:35:49,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:35:49" (3/3) ... [2024-11-16 23:35:49,394 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_06-tricky_address1.i [2024-11-16 23:35:49,411 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:35:49,411 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-16 23:35:49,412 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:35:49,502 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:35:49,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 162 places, 162 transitions, 328 flow [2024-11-16 23:35:49,623 INFO L124 PetriNetUnfolderBase]: 4/161 cut-off events. [2024-11-16 23:35:49,623 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:49,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 161 events. 4/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2024-11-16 23:35:49,630 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 162 transitions, 328 flow [2024-11-16 23:35:49,638 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 161 places, 161 transitions, 325 flow [2024-11-16 23:35:49,654 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:35:49,662 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;@45476aac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:35:49,663 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-16 23:35:49,701 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:35:49,701 INFO L124 PetriNetUnfolderBase]: 4/114 cut-off events. [2024-11-16 23:35:49,701 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:49,701 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:49,703 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] [2024-11-16 23:35:49,703 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:49,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:49,709 INFO L85 PathProgramCache]: Analyzing trace with hash -426858569, now seen corresponding path program 1 times [2024-11-16 23:35:49,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:49,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776982429] [2024-11-16 23:35:49,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:49,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:50,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:50,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776982429] [2024-11-16 23:35:50,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776982429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:50,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:50,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:35:50,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988310721] [2024-11-16 23:35:50,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:50,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:35:50,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:50,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:35:50,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:35:50,118 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 162 [2024-11-16 23:35:50,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 161 transitions, 325 flow. Second operand has 2 states, 2 states have (on average 155.5) internal successors, (311), 2 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:50,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:50,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 162 [2024-11-16 23:35:50,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:50,210 INFO L124 PetriNetUnfolderBase]: 5/216 cut-off events. [2024-11-16 23:35:50,210 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:35:50,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 234 conditions, 216 events. 5/216 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 263 event pairs, 4 based on Foata normal form. 4/207 useless extension candidates. Maximal degree in co-relation 137. Up to 14 conditions per place. [2024-11-16 23:35:50,215 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 5 selfloop transitions, 0 changer transitions 1/158 dead transitions. [2024-11-16 23:35:50,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 158 transitions, 329 flow [2024-11-16 23:35:50,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:35:50,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:35:50,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 316 transitions. [2024-11-16 23:35:50,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9753086419753086 [2024-11-16 23:35:50,230 INFO L175 Difference]: Start difference. First operand has 161 places, 161 transitions, 325 flow. Second operand 2 states and 316 transitions. [2024-11-16 23:35:50,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 158 transitions, 329 flow [2024-11-16 23:35:50,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 158 transitions, 328 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:50,238 INFO L231 Difference]: Finished difference. Result has 161 places, 157 transitions, 316 flow [2024-11-16 23:35:50,240 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=316, PETRI_PLACES=161, PETRI_TRANSITIONS=157} [2024-11-16 23:35:50,243 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 0 predicate places. [2024-11-16 23:35:50,244 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 157 transitions, 316 flow [2024-11-16 23:35:50,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 155.5) internal successors, (311), 2 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:50,244 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:50,245 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] [2024-11-16 23:35:50,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:35:50,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:50,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:50,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1929070619, now seen corresponding path program 1 times [2024-11-16 23:35:50,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:50,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976042827] [2024-11-16 23:35:50,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:50,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:50,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:50,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976042827] [2024-11-16 23:35:50,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976042827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:50,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:50,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:35:50,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314499877] [2024-11-16 23:35:50,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:50,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:50,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:50,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:50,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:35:50,481 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 162 [2024-11-16 23:35:50,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 157 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:50,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:50,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 162 [2024-11-16 23:35:50,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:50,553 INFO L124 PetriNetUnfolderBase]: 7/222 cut-off events. [2024-11-16 23:35:50,553 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:50,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 222 events. 7/222 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 325 event pairs, 6 based on Foata normal form. 1/212 useless extension candidates. Maximal degree in co-relation 248. Up to 24 conditions per place. [2024-11-16 23:35:50,555 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 10 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2024-11-16 23:35:50,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 158 transitions, 342 flow [2024-11-16 23:35:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:50,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:50,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 457 transitions. [2024-11-16 23:35:50,559 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9403292181069959 [2024-11-16 23:35:50,559 INFO L175 Difference]: Start difference. First operand has 161 places, 157 transitions, 316 flow. Second operand 3 states and 457 transitions. [2024-11-16 23:35:50,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 158 transitions, 342 flow [2024-11-16 23:35:50,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 158 transitions, 342 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:35:50,566 INFO L231 Difference]: Finished difference. Result has 163 places, 158 transitions, 328 flow [2024-11-16 23:35:50,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=163, PETRI_TRANSITIONS=158} [2024-11-16 23:35:50,568 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 2 predicate places. [2024-11-16 23:35:50,568 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 158 transitions, 328 flow [2024-11-16 23:35:50,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:50,569 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:50,569 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-16 23:35:50,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:35:50,570 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:50,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:50,572 INFO L85 PathProgramCache]: Analyzing trace with hash -153211306, now seen corresponding path program 1 times [2024-11-16 23:35:50,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:50,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242785005] [2024-11-16 23:35:50,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:50,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:50,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:50,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:50,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242785005] [2024-11-16 23:35:50,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242785005] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:50,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011285496] [2024-11-16 23:35:50,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:50,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:50,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:50,771 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) [2024-11-16 23:35:50,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 23:35:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:50,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 23:35:50,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:51,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:35:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:51,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011285496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:35:51,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:35:51,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-16 23:35:51,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108151688] [2024-11-16 23:35:51,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:35:51,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:35:51,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:51,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:35:51,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:35:51,196 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 162 [2024-11-16 23:35:51,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 158 transitions, 328 flow. Second operand has 10 states, 10 states have (on average 147.0) internal successors, (1470), 10 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:51,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:51,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 162 [2024-11-16 23:35:51,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:51,293 INFO L124 PetriNetUnfolderBase]: 7/231 cut-off events. [2024-11-16 23:35:51,293 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:35:51,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 231 events. 7/231 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 316 event pairs, 6 based on Foata normal form. 2/222 useless extension candidates. Maximal degree in co-relation 274. Up to 24 conditions per place. [2024-11-16 23:35:51,295 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 14 selfloop transitions, 9 changer transitions 0/166 dead transitions. [2024-11-16 23:35:51,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 392 flow [2024-11-16 23:35:51,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 23:35:51,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 23:35:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1330 transitions. [2024-11-16 23:35:51,298 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9122085048010974 [2024-11-16 23:35:51,299 INFO L175 Difference]: Start difference. First operand has 163 places, 158 transitions, 328 flow. Second operand 9 states and 1330 transitions. [2024-11-16 23:35:51,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 392 flow [2024-11-16 23:35:51,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 166 transitions, 390 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:51,302 INFO L231 Difference]: Finished difference. Result has 173 places, 164 transitions, 376 flow [2024-11-16 23:35:51,302 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=376, PETRI_PLACES=173, PETRI_TRANSITIONS=164} [2024-11-16 23:35:51,303 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 12 predicate places. [2024-11-16 23:35:51,303 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 164 transitions, 376 flow [2024-11-16 23:35:51,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 147.0) internal successors, (1470), 10 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:51,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:51,304 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 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] [2024-11-16 23:35:51,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-16 23:35:51,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:51,506 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:51,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:51,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1813356792, now seen corresponding path program 2 times [2024-11-16 23:35:51,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:51,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397866503] [2024-11-16 23:35:51,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:51,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:51,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:51,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397866503] [2024-11-16 23:35:51,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397866503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:51,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228022042] [2024-11-16 23:35:51,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:35:51,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:51,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:51,747 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) [2024-11-16 23:35:51,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 23:35:51,843 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:35:51,843 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:35:51,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-16 23:35:51,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:51,890 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 [2024-11-16 23:35:51,911 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 [2024-11-16 23:35:51,945 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:35:51,946 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 [2024-11-16 23:35:51,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:35:51,995 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 [2024-11-16 23:35:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-16 23:35:52,031 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:35:52,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228022042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:52,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:35:52,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-16 23:35:52,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39652135] [2024-11-16 23:35:52,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:52,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:35:52,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:52,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:35:52,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:35:52,575 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 162 [2024-11-16 23:35:52,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 164 transitions, 376 flow. Second operand has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:52,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:52,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 162 [2024-11-16 23:35:52,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:52,719 INFO L124 PetriNetUnfolderBase]: 103/533 cut-off events. [2024-11-16 23:35:52,719 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:35:52,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 533 events. 103/533 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2273 event pairs, 40 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 793. Up to 184 conditions per place. [2024-11-16 23:35:52,724 INFO L140 encePairwiseOnDemand]: 151/162 looper letters, 31 selfloop transitions, 22 changer transitions 0/193 dead transitions. [2024-11-16 23:35:52,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 193 transitions, 540 flow [2024-11-16 23:35:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:35:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:35:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 864 transitions. [2024-11-16 23:35:52,729 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-16 23:35:52,729 INFO L175 Difference]: Start difference. First operand has 173 places, 164 transitions, 376 flow. Second operand 6 states and 864 transitions. [2024-11-16 23:35:52,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 193 transitions, 540 flow [2024-11-16 23:35:52,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 193 transitions, 534 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:52,733 INFO L231 Difference]: Finished difference. Result has 182 places, 185 transitions, 520 flow [2024-11-16 23:35:52,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=520, PETRI_PLACES=182, PETRI_TRANSITIONS=185} [2024-11-16 23:35:52,734 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 21 predicate places. [2024-11-16 23:35:52,735 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 185 transitions, 520 flow [2024-11-16 23:35:52,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:52,735 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:52,736 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 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] [2024-11-16 23:35:52,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 23:35:52,939 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,SelfDestructingSolverStorable3 [2024-11-16 23:35:52,940 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:52,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:52,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1212045600, now seen corresponding path program 1 times [2024-11-16 23:35:52,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:52,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337040090] [2024-11-16 23:35:52,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:52,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:53,143 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:53,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:53,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337040090] [2024-11-16 23:35:53,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337040090] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:53,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214716594] [2024-11-16 23:35:53,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:53,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:53,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:53,147 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) [2024-11-16 23:35:53,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 23:35:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:53,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 23:35:53,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:53,328 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:35:53,437 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:53,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214716594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:35:53,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:35:53,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-16 23:35:53,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319867271] [2024-11-16 23:35:53,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:35:53,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 23:35:53,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:53,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 23:35:53,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-16 23:35:53,472 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 162 [2024-11-16 23:35:53,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 185 transitions, 520 flow. Second operand has 18 states, 18 states have (on average 147.0) internal successors, (2646), 18 states have internal predecessors, (2646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:53,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:53,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 162 [2024-11-16 23:35:53,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:53,733 INFO L124 PetriNetUnfolderBase]: 41/407 cut-off events. [2024-11-16 23:35:53,733 INFO L125 PetriNetUnfolderBase]: For 90/95 co-relation queries the response was YES. [2024-11-16 23:35:53,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 685 conditions, 407 events. 41/407 cut-off events. For 90/95 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1212 event pairs, 11 based on Foata normal form. 4/395 useless extension candidates. Maximal degree in co-relation 673. Up to 51 conditions per place. [2024-11-16 23:35:53,735 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 18 selfloop transitions, 21 changer transitions 0/203 dead transitions. [2024-11-16 23:35:53,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 203 transitions, 686 flow [2024-11-16 23:35:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 23:35:53,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-16 23:35:53,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3088 transitions. [2024-11-16 23:35:53,742 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9077013521457966 [2024-11-16 23:35:53,742 INFO L175 Difference]: Start difference. First operand has 182 places, 185 transitions, 520 flow. Second operand 21 states and 3088 transitions. [2024-11-16 23:35:53,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 203 transitions, 686 flow [2024-11-16 23:35:53,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 203 transitions, 686 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:35:53,749 INFO L231 Difference]: Finished difference. Result has 207 places, 198 transitions, 650 flow [2024-11-16 23:35:53,749 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=650, PETRI_PLACES=207, PETRI_TRANSITIONS=198} [2024-11-16 23:35:53,750 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 46 predicate places. [2024-11-16 23:35:53,750 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 198 transitions, 650 flow [2024-11-16 23:35:53,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 147.0) internal successors, (2646), 18 states have internal predecessors, (2646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:53,752 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:53,752 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:35:53,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 23:35:53,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:53,953 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:53,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:53,954 INFO L85 PathProgramCache]: Analyzing trace with hash 252436260, now seen corresponding path program 2 times [2024-11-16 23:35:53,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:53,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643921023] [2024-11-16 23:35:53,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:53,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:54,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:54,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643921023] [2024-11-16 23:35:54,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643921023] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:54,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796224487] [2024-11-16 23:35:54,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:35:54,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:54,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:54,365 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:35:54,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 23:35:54,465 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:35:54,465 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:35:54,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-16 23:35:54,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:54,486 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 [2024-11-16 23:35:54,512 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 [2024-11-16 23:35:54,542 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:35:54,542 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 [2024-11-16 23:35:54,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:35:54,591 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 [2024-11-16 23:35:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-16 23:35:54,630 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:35:54,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796224487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:54,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:35:54,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-16 23:35:54,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609833242] [2024-11-16 23:35:54,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:54,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:35:54,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:54,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:35:54,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-16 23:35:55,161 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 162 [2024-11-16 23:35:55,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 198 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 131.66666666666666) internal successors, (790), 6 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:55,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:55,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 162 [2024-11-16 23:35:55,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:55,426 INFO L124 PetriNetUnfolderBase]: 223/900 cut-off events. [2024-11-16 23:35:55,426 INFO L125 PetriNetUnfolderBase]: For 202/208 co-relation queries the response was YES. [2024-11-16 23:35:55,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1772 conditions, 900 events. 223/900 cut-off events. For 202/208 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4704 event pairs, 82 based on Foata normal form. 5/847 useless extension candidates. Maximal degree in co-relation 1755. Up to 407 conditions per place. [2024-11-16 23:35:55,432 INFO L140 encePairwiseOnDemand]: 147/162 looper letters, 53 selfloop transitions, 39 changer transitions 5/243 dead transitions. [2024-11-16 23:35:55,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 243 transitions, 964 flow [2024-11-16 23:35:55,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:35:55,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:35:55,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 850 transitions. [2024-11-16 23:35:55,435 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8744855967078189 [2024-11-16 23:35:55,435 INFO L175 Difference]: Start difference. First operand has 207 places, 198 transitions, 650 flow. Second operand 6 states and 850 transitions. [2024-11-16 23:35:55,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 243 transitions, 964 flow [2024-11-16 23:35:55,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 243 transitions, 940 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-16 23:35:55,442 INFO L231 Difference]: Finished difference. Result has 211 places, 234 transitions, 914 flow [2024-11-16 23:35:55,443 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=914, PETRI_PLACES=211, PETRI_TRANSITIONS=234} [2024-11-16 23:35:55,443 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 50 predicate places. [2024-11-16 23:35:55,444 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 234 transitions, 914 flow [2024-11-16 23:35:55,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 131.66666666666666) internal successors, (790), 6 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:55,444 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:55,445 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:35:55,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 23:35:55,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:55,649 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:55,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:55,649 INFO L85 PathProgramCache]: Analyzing trace with hash -533735902, now seen corresponding path program 1 times [2024-11-16 23:35:55,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:55,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395652038] [2024-11-16 23:35:55,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:55,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:56,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:56,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395652038] [2024-11-16 23:35:56,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395652038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:56,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635104956] [2024-11-16 23:35:56,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:56,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:56,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:56,054 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:35:56,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 23:35:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:56,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-16 23:35:56,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:56,290 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:35:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:56,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635104956] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:35:56,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:35:56,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-16 23:35:56,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163691087] [2024-11-16 23:35:56,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:35:56,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-16 23:35:56,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:56,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-16 23:35:56,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-16 23:35:56,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 162 [2024-11-16 23:35:56,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 234 transitions, 914 flow. Second operand has 23 states, 23 states have (on average 147.08695652173913) internal successors, (3383), 23 states have internal predecessors, (3383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:56,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:56,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 162 [2024-11-16 23:35:56,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:56,938 INFO L124 PetriNetUnfolderBase]: 123/672 cut-off events. [2024-11-16 23:35:56,938 INFO L125 PetriNetUnfolderBase]: For 398/403 co-relation queries the response was YES. [2024-11-16 23:35:56,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1415 conditions, 672 events. 123/672 cut-off events. For 398/403 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2920 event pairs, 15 based on Foata normal form. 3/647 useless extension candidates. Maximal degree in co-relation 1393. Up to 118 conditions per place. [2024-11-16 23:35:56,943 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 21 selfloop transitions, 30 changer transitions 0/251 dead transitions. [2024-11-16 23:35:56,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 251 transitions, 1138 flow [2024-11-16 23:35:56,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-16 23:35:56,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-16 23:35:56,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4404 transitions. [2024-11-16 23:35:56,952 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9061728395061729 [2024-11-16 23:35:56,952 INFO L175 Difference]: Start difference. First operand has 211 places, 234 transitions, 914 flow. Second operand 30 states and 4404 transitions. [2024-11-16 23:35:56,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 251 transitions, 1138 flow [2024-11-16 23:35:56,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 251 transitions, 1106 flow, removed 16 selfloop flow, removed 0 redundant places. [2024-11-16 23:35:56,961 INFO L231 Difference]: Finished difference. Result has 243 places, 244 transitions, 1034 flow [2024-11-16 23:35:56,961 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1034, PETRI_PLACES=243, PETRI_TRANSITIONS=244} [2024-11-16 23:35:56,962 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 82 predicate places. [2024-11-16 23:35:56,962 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 244 transitions, 1034 flow [2024-11-16 23:35:56,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 147.08695652173913) internal successors, (3383), 23 states have internal predecessors, (3383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:56,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:56,965 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:35:56,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-16 23:35:57,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:57,170 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:57,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:57,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1042901941, now seen corresponding path program 2 times [2024-11-16 23:35:57,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:57,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992598771] [2024-11-16 23:35:57,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:57,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:35:57,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:57,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992598771] [2024-11-16 23:35:57,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992598771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:57,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:57,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:35:57,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696628813] [2024-11-16 23:35:57,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:57,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:35:57,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:57,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:35:57,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:35:57,813 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 162 [2024-11-16 23:35:57,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 244 transitions, 1034 flow. Second operand has 6 states, 6 states have (on average 139.33333333333334) internal successors, (836), 6 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:57,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:57,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 162 [2024-11-16 23:35:57,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:57,991 INFO L124 PetriNetUnfolderBase]: 212/936 cut-off events. [2024-11-16 23:35:57,992 INFO L125 PetriNetUnfolderBase]: For 602/646 co-relation queries the response was YES. [2024-11-16 23:35:57,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2197 conditions, 936 events. 212/936 cut-off events. For 602/646 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4937 event pairs, 40 based on Foata normal form. 1/919 useless extension candidates. Maximal degree in co-relation 2171. Up to 338 conditions per place. [2024-11-16 23:35:57,998 INFO L140 encePairwiseOnDemand]: 151/162 looper letters, 72 selfloop transitions, 40 changer transitions 0/283 dead transitions. [2024-11-16 23:35:57,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 283 transitions, 1442 flow [2024-11-16 23:35:57,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:35:57,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:35:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 879 transitions. [2024-11-16 23:35:58,000 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.904320987654321 [2024-11-16 23:35:58,000 INFO L175 Difference]: Start difference. First operand has 243 places, 244 transitions, 1034 flow. Second operand 6 states and 879 transitions. [2024-11-16 23:35:58,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 283 transitions, 1442 flow [2024-11-16 23:35:58,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 283 transitions, 1396 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-16 23:35:58,011 INFO L231 Difference]: Finished difference. Result has 235 places, 275 transitions, 1356 flow [2024-11-16 23:35:58,011 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=988, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1356, PETRI_PLACES=235, PETRI_TRANSITIONS=275} [2024-11-16 23:35:58,012 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 74 predicate places. [2024-11-16 23:35:58,012 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 275 transitions, 1356 flow [2024-11-16 23:35:58,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.33333333333334) internal successors, (836), 6 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:58,012 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:58,012 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:35:58,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:35:58,013 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:58,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:58,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1215521977, now seen corresponding path program 1 times [2024-11-16 23:35:58,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:58,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591793726] [2024-11-16 23:35:58,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:58,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:35:58,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:58,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591793726] [2024-11-16 23:35:58,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591793726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:58,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:58,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:35:58,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028893488] [2024-11-16 23:35:58,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:58,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:35:58,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:58,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:35:58,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:35:58,575 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 162 [2024-11-16 23:35:58,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 275 transitions, 1356 flow. Second operand has 6 states, 6 states have (on average 134.33333333333334) internal successors, (806), 6 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:58,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:58,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 162 [2024-11-16 23:35:58,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:58,869 INFO L124 PetriNetUnfolderBase]: 361/1337 cut-off events. [2024-11-16 23:35:58,869 INFO L125 PetriNetUnfolderBase]: For 1438/1466 co-relation queries the response was YES. [2024-11-16 23:35:58,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3677 conditions, 1337 events. 361/1337 cut-off events. For 1438/1466 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7970 event pairs, 87 based on Foata normal form. 2/1303 useless extension candidates. Maximal degree in co-relation 3646. Up to 610 conditions per place. [2024-11-16 23:35:58,880 INFO L140 encePairwiseOnDemand]: 147/162 looper letters, 100 selfloop transitions, 64 changer transitions 10/336 dead transitions. [2024-11-16 23:35:58,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 336 transitions, 2044 flow [2024-11-16 23:35:58,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:35:58,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:35:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 865 transitions. [2024-11-16 23:35:58,883 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8899176954732511 [2024-11-16 23:35:58,883 INFO L175 Difference]: Start difference. First operand has 235 places, 275 transitions, 1356 flow. Second operand 6 states and 865 transitions. [2024-11-16 23:35:58,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 336 transitions, 2044 flow [2024-11-16 23:35:58,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 336 transitions, 2026 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-16 23:35:58,902 INFO L231 Difference]: Finished difference. Result has 245 places, 322 transitions, 1924 flow [2024-11-16 23:35:58,903 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=1338, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1924, PETRI_PLACES=245, PETRI_TRANSITIONS=322} [2024-11-16 23:35:58,904 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 84 predicate places. [2024-11-16 23:35:58,904 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 322 transitions, 1924 flow [2024-11-16 23:35:58,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 134.33333333333334) internal successors, (806), 6 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:58,904 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:58,905 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:35:58,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:35:58,905 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:58,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:58,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1542627232, now seen corresponding path program 1 times [2024-11-16 23:35:58,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:58,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377729125] [2024-11-16 23:35:58,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:58,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:00,073 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:00,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:00,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377729125] [2024-11-16 23:36:00,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377729125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:00,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:00,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:00,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285794909] [2024-11-16 23:36:00,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:00,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:00,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:00,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:00,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:01,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:01,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 322 transitions, 1924 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:01,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:01,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:01,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:01,855 INFO L124 PetriNetUnfolderBase]: 460/1600 cut-off events. [2024-11-16 23:36:01,855 INFO L125 PetriNetUnfolderBase]: For 2952/3026 co-relation queries the response was YES. [2024-11-16 23:36:01,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5246 conditions, 1600 events. 460/1600 cut-off events. For 2952/3026 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 10027 event pairs, 19 based on Foata normal form. 37/1621 useless extension candidates. Maximal degree in co-relation 5210. Up to 571 conditions per place. [2024-11-16 23:36:01,870 INFO L140 encePairwiseOnDemand]: 141/162 looper letters, 191 selfloop transitions, 86 changer transitions 37/471 dead transitions. [2024-11-16 23:36:01,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 471 transitions, 3640 flow [2024-11-16 23:36:01,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 23:36:01,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-16 23:36:01,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1655 transitions. [2024-11-16 23:36:01,875 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8513374485596708 [2024-11-16 23:36:01,875 INFO L175 Difference]: Start difference. First operand has 245 places, 322 transitions, 1924 flow. Second operand 12 states and 1655 transitions. [2024-11-16 23:36:01,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 471 transitions, 3640 flow [2024-11-16 23:36:01,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 471 transitions, 3554 flow, removed 43 selfloop flow, removed 0 redundant places. [2024-11-16 23:36:01,909 INFO L231 Difference]: Finished difference. Result has 264 places, 368 transitions, 2536 flow [2024-11-16 23:36:01,910 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=1850, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2536, PETRI_PLACES=264, PETRI_TRANSITIONS=368} [2024-11-16 23:36:01,911 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 103 predicate places. [2024-11-16 23:36:01,911 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 368 transitions, 2536 flow [2024-11-16 23:36:01,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:01,911 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:01,912 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:01,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:36:01,912 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:01,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:01,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1956753042, now seen corresponding path program 2 times [2024-11-16 23:36:01,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:01,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986796687] [2024-11-16 23:36:01,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:01,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:02,891 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:02,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:02,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986796687] [2024-11-16 23:36:02,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986796687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:02,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:02,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:02,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909514344] [2024-11-16 23:36:02,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:02,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:02,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:02,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:02,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:04,018 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 162 [2024-11-16 23:36:04,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 368 transitions, 2536 flow. Second operand has 10 states, 10 states have (on average 127.0) internal successors, (1270), 10 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:04,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:04,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 162 [2024-11-16 23:36:04,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:04,740 INFO L124 PetriNetUnfolderBase]: 472/1609 cut-off events. [2024-11-16 23:36:04,741 INFO L125 PetriNetUnfolderBase]: For 4379/4425 co-relation queries the response was YES. [2024-11-16 23:36:04,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6120 conditions, 1609 events. 472/1609 cut-off events. For 4379/4425 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 10048 event pairs, 44 based on Foata normal form. 19/1609 useless extension candidates. Maximal degree in co-relation 6075. Up to 675 conditions per place. [2024-11-16 23:36:04,753 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 165 selfloop transitions, 80 changer transitions 42/440 dead transitions. [2024-11-16 23:36:04,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 440 transitions, 3652 flow [2024-11-16 23:36:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 23:36:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-16 23:36:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1370 transitions. [2024-11-16 23:36:04,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.845679012345679 [2024-11-16 23:36:04,758 INFO L175 Difference]: Start difference. First operand has 264 places, 368 transitions, 2536 flow. Second operand 10 states and 1370 transitions. [2024-11-16 23:36:04,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 440 transitions, 3652 flow [2024-11-16 23:36:04,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 440 transitions, 3628 flow, removed 12 selfloop flow, removed 0 redundant places. [2024-11-16 23:36:04,799 INFO L231 Difference]: Finished difference. Result has 276 places, 360 transitions, 2653 flow [2024-11-16 23:36:04,800 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=2512, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2653, PETRI_PLACES=276, PETRI_TRANSITIONS=360} [2024-11-16 23:36:04,801 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 115 predicate places. [2024-11-16 23:36:04,801 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 360 transitions, 2653 flow [2024-11-16 23:36:04,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 127.0) internal successors, (1270), 10 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:04,801 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:04,801 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:04,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:36:04,802 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:04,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:04,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1033343120, now seen corresponding path program 3 times [2024-11-16 23:36:04,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:04,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250455392] [2024-11-16 23:36:04,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:04,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:05,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:05,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250455392] [2024-11-16 23:36:05,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250455392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:05,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:05,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:05,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897214956] [2024-11-16 23:36:05,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:05,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:05,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:05,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:05,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:06,874 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:06,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 360 transitions, 2653 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:06,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:06,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:06,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:07,655 INFO L124 PetriNetUnfolderBase]: 754/2517 cut-off events. [2024-11-16 23:36:07,655 INFO L125 PetriNetUnfolderBase]: For 9103/9229 co-relation queries the response was YES. [2024-11-16 23:36:07,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10283 conditions, 2517 events. 754/2517 cut-off events. For 9103/9229 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 18842 event pairs, 62 based on Foata normal form. 48/2535 useless extension candidates. Maximal degree in co-relation 10234. Up to 612 conditions per place. [2024-11-16 23:36:07,671 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 329 selfloop transitions, 100 changer transitions 18/604 dead transitions. [2024-11-16 23:36:07,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 604 transitions, 6048 flow [2024-11-16 23:36:07,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 23:36:07,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-16 23:36:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1412 transitions. [2024-11-16 23:36:07,674 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8716049382716049 [2024-11-16 23:36:07,674 INFO L175 Difference]: Start difference. First operand has 276 places, 360 transitions, 2653 flow. Second operand 10 states and 1412 transitions. [2024-11-16 23:36:07,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 604 transitions, 6048 flow [2024-11-16 23:36:07,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 604 transitions, 5912 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-16 23:36:07,727 INFO L231 Difference]: Finished difference. Result has 284 places, 440 transitions, 4081 flow [2024-11-16 23:36:07,728 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=2588, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4081, PETRI_PLACES=284, PETRI_TRANSITIONS=440} [2024-11-16 23:36:07,730 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 123 predicate places. [2024-11-16 23:36:07,730 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 440 transitions, 4081 flow [2024-11-16 23:36:07,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:07,731 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:07,731 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:07,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:36:07,731 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:07,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:07,732 INFO L85 PathProgramCache]: Analyzing trace with hash -352925212, now seen corresponding path program 4 times [2024-11-16 23:36:07,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:07,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977848923] [2024-11-16 23:36:07,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:07,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:08,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:08,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977848923] [2024-11-16 23:36:08,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977848923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:08,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:08,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:08,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347377655] [2024-11-16 23:36:08,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:08,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:08,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:08,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:08,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:09,740 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 162 [2024-11-16 23:36:09,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 440 transitions, 4081 flow. Second operand has 10 states, 10 states have (on average 127.0) internal successors, (1270), 10 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:09,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:09,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 162 [2024-11-16 23:36:09,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:10,687 INFO L124 PetriNetUnfolderBase]: 835/2663 cut-off events. [2024-11-16 23:36:10,687 INFO L125 PetriNetUnfolderBase]: For 12613/12758 co-relation queries the response was YES. [2024-11-16 23:36:10,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11755 conditions, 2663 events. 835/2663 cut-off events. For 12613/12758 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 19958 event pairs, 115 based on Foata normal form. 84/2716 useless extension candidates. Maximal degree in co-relation 11700. Up to 1199 conditions per place. [2024-11-16 23:36:10,715 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 192 selfloop transitions, 149 changer transitions 18/512 dead transitions. [2024-11-16 23:36:10,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 512 transitions, 5465 flow [2024-11-16 23:36:10,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 23:36:10,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-16 23:36:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1627 transitions. [2024-11-16 23:36:10,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8369341563786008 [2024-11-16 23:36:10,719 INFO L175 Difference]: Start difference. First operand has 284 places, 440 transitions, 4081 flow. Second operand 12 states and 1627 transitions. [2024-11-16 23:36:10,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 512 transitions, 5465 flow [2024-11-16 23:36:10,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 512 transitions, 5431 flow, removed 13 selfloop flow, removed 1 redundant places. [2024-11-16 23:36:10,795 INFO L231 Difference]: Finished difference. Result has 299 places, 455 transitions, 4603 flow [2024-11-16 23:36:10,796 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=4051, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4603, PETRI_PLACES=299, PETRI_TRANSITIONS=455} [2024-11-16 23:36:10,796 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 138 predicate places. [2024-11-16 23:36:10,796 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 455 transitions, 4603 flow [2024-11-16 23:36:10,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 127.0) internal successors, (1270), 10 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:10,797 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:10,797 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:10,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:36:10,798 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:10,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:10,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1581015502, now seen corresponding path program 5 times [2024-11-16 23:36:10,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:10,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52614924] [2024-11-16 23:36:10,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:10,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:11,704 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:11,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:11,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52614924] [2024-11-16 23:36:11,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52614924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:11,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:11,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:11,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939376206] [2024-11-16 23:36:11,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:11,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:11,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:11,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:11,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:12,722 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:12,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 455 transitions, 4603 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:12,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:12,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:12,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:13,489 INFO L124 PetriNetUnfolderBase]: 782/2617 cut-off events. [2024-11-16 23:36:13,489 INFO L125 PetriNetUnfolderBase]: For 14970/15130 co-relation queries the response was YES. [2024-11-16 23:36:13,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12153 conditions, 2617 events. 782/2617 cut-off events. For 14970/15130 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 19892 event pairs, 89 based on Foata normal form. 70/2655 useless extension candidates. Maximal degree in co-relation 12093. Up to 620 conditions per place. [2024-11-16 23:36:13,515 INFO L140 encePairwiseOnDemand]: 144/162 looper letters, 377 selfloop transitions, 100 changer transitions 12/646 dead transitions. [2024-11-16 23:36:13,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 646 transitions, 7579 flow [2024-11-16 23:36:13,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:36:13,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:36:13,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1520 transitions. [2024-11-16 23:36:13,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8529741863075196 [2024-11-16 23:36:13,517 INFO L175 Difference]: Start difference. First operand has 299 places, 455 transitions, 4603 flow. Second operand 11 states and 1520 transitions. [2024-11-16 23:36:13,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 646 transitions, 7579 flow [2024-11-16 23:36:13,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 646 transitions, 7247 flow, removed 19 selfloop flow, removed 4 redundant places. [2024-11-16 23:36:13,598 INFO L231 Difference]: Finished difference. Result has 312 places, 481 transitions, 5097 flow [2024-11-16 23:36:13,599 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=4343, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5097, PETRI_PLACES=312, PETRI_TRANSITIONS=481} [2024-11-16 23:36:13,599 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 151 predicate places. [2024-11-16 23:36:13,600 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 481 transitions, 5097 flow [2024-11-16 23:36:13,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:13,607 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:13,607 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:13,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:36:13,607 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:13,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:13,608 INFO L85 PathProgramCache]: Analyzing trace with hash 537518752, now seen corresponding path program 6 times [2024-11-16 23:36:13,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:13,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736846191] [2024-11-16 23:36:13,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:13,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:14,530 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:14,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:14,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736846191] [2024-11-16 23:36:14,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736846191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:14,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:14,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:14,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326110329] [2024-11-16 23:36:14,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:14,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:14,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:14,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:14,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:15,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:15,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 481 transitions, 5097 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:15,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:15,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:15,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:16,273 INFO L124 PetriNetUnfolderBase]: 800/2644 cut-off events. [2024-11-16 23:36:16,273 INFO L125 PetriNetUnfolderBase]: For 17877/18061 co-relation queries the response was YES. [2024-11-16 23:36:16,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12895 conditions, 2644 events. 800/2644 cut-off events. For 17877/18061 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 20047 event pairs, 124 based on Foata normal form. 98/2709 useless extension candidates. Maximal degree in co-relation 12827. Up to 1100 conditions per place. [2024-11-16 23:36:16,293 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 217 selfloop transitions, 160 changer transitions 9/543 dead transitions. [2024-11-16 23:36:16,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 543 transitions, 6619 flow [2024-11-16 23:36:16,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 23:36:16,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-16 23:36:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1371 transitions. [2024-11-16 23:36:16,296 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8462962962962963 [2024-11-16 23:36:16,296 INFO L175 Difference]: Start difference. First operand has 312 places, 481 transitions, 5097 flow. Second operand 10 states and 1371 transitions. [2024-11-16 23:36:16,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 543 transitions, 6619 flow [2024-11-16 23:36:16,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 543 transitions, 6506 flow, removed 53 selfloop flow, removed 1 redundant places. [2024-11-16 23:36:16,387 INFO L231 Difference]: Finished difference. Result has 325 places, 501 transitions, 5737 flow [2024-11-16 23:36:16,387 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=4986, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5737, PETRI_PLACES=325, PETRI_TRANSITIONS=501} [2024-11-16 23:36:16,388 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 164 predicate places. [2024-11-16 23:36:16,388 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 501 transitions, 5737 flow [2024-11-16 23:36:16,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:16,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:16,389 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:16,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:36:16,389 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:16,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:16,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1770933614, now seen corresponding path program 7 times [2024-11-16 23:36:16,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:16,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628275807] [2024-11-16 23:36:16,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:16,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:17,241 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:17,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:17,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628275807] [2024-11-16 23:36:17,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628275807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:17,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:17,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:17,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11933106] [2024-11-16 23:36:17,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:17,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:17,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:17,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:17,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:18,154 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:18,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 501 transitions, 5737 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:18,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:18,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:18,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:18,949 INFO L124 PetriNetUnfolderBase]: 793/2637 cut-off events. [2024-11-16 23:36:18,949 INFO L125 PetriNetUnfolderBase]: For 20800/20953 co-relation queries the response was YES. [2024-11-16 23:36:18,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13405 conditions, 2637 events. 793/2637 cut-off events. For 20800/20953 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 19960 event pairs, 88 based on Foata normal form. 67/2675 useless extension candidates. Maximal degree in co-relation 13332. Up to 618 conditions per place. [2024-11-16 23:36:18,973 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 394 selfloop transitions, 115 changer transitions 17/683 dead transitions. [2024-11-16 23:36:18,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 683 transitions, 8676 flow [2024-11-16 23:36:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:36:18,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:36:18,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1538 transitions. [2024-11-16 23:36:18,975 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8630751964085297 [2024-11-16 23:36:18,975 INFO L175 Difference]: Start difference. First operand has 325 places, 501 transitions, 5737 flow. Second operand 11 states and 1538 transitions. [2024-11-16 23:36:18,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 683 transitions, 8676 flow [2024-11-16 23:36:19,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 683 transitions, 8498 flow, removed 56 selfloop flow, removed 2 redundant places. [2024-11-16 23:36:19,185 INFO L231 Difference]: Finished difference. Result has 338 places, 523 transitions, 6286 flow [2024-11-16 23:36:19,186 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=5580, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6286, PETRI_PLACES=338, PETRI_TRANSITIONS=523} [2024-11-16 23:36:19,187 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 177 predicate places. [2024-11-16 23:36:19,187 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 523 transitions, 6286 flow [2024-11-16 23:36:19,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:19,187 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:19,188 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:19,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:36:19,188 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:19,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:19,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1542811044, now seen corresponding path program 8 times [2024-11-16 23:36:19,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:19,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601917491] [2024-11-16 23:36:19,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:19,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:20,175 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:20,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:20,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601917491] [2024-11-16 23:36:20,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601917491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:20,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:20,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:20,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293166689] [2024-11-16 23:36:20,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:20,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:20,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:20,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:20,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:21,220 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 162 [2024-11-16 23:36:21,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 523 transitions, 6286 flow. Second operand has 10 states, 10 states have (on average 127.0) internal successors, (1270), 10 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:21,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:21,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 162 [2024-11-16 23:36:21,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:22,147 INFO L124 PetriNetUnfolderBase]: 868/2738 cut-off events. [2024-11-16 23:36:22,147 INFO L125 PetriNetUnfolderBase]: For 25222/25355 co-relation queries the response was YES. [2024-11-16 23:36:22,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14509 conditions, 2738 events. 868/2738 cut-off events. For 25222/25355 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 20562 event pairs, 109 based on Foata normal form. 53/2762 useless extension candidates. Maximal degree in co-relation 14431. Up to 1229 conditions per place. [2024-11-16 23:36:22,175 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 246 selfloop transitions, 179 changer transitions 18/596 dead transitions. [2024-11-16 23:36:22,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 596 transitions, 8125 flow [2024-11-16 23:36:22,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 23:36:22,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-16 23:36:22,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1865 transitions. [2024-11-16 23:36:22,177 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.822310405643739 [2024-11-16 23:36:22,177 INFO L175 Difference]: Start difference. First operand has 338 places, 523 transitions, 6286 flow. Second operand 14 states and 1865 transitions. [2024-11-16 23:36:22,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 596 transitions, 8125 flow [2024-11-16 23:36:22,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 596 transitions, 7810 flow, removed 65 selfloop flow, removed 4 redundant places. [2024-11-16 23:36:22,328 INFO L231 Difference]: Finished difference. Result has 355 places, 548 transitions, 6949 flow [2024-11-16 23:36:22,329 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=5982, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6949, PETRI_PLACES=355, PETRI_TRANSITIONS=548} [2024-11-16 23:36:22,330 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 194 predicate places. [2024-11-16 23:36:22,330 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 548 transitions, 6949 flow [2024-11-16 23:36:22,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 127.0) internal successors, (1270), 10 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:22,330 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:22,330 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:22,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:36:22,331 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:22,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:22,332 INFO L85 PathProgramCache]: Analyzing trace with hash -222844498, now seen corresponding path program 9 times [2024-11-16 23:36:22,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:22,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028931612] [2024-11-16 23:36:22,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:22,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:23,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:23,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028931612] [2024-11-16 23:36:23,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028931612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:23,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:23,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:23,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582993061] [2024-11-16 23:36:23,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:23,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:23,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:23,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:23,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:24,073 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 162 [2024-11-16 23:36:24,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 548 transitions, 6949 flow. Second operand has 10 states, 10 states have (on average 127.0) internal successors, (1270), 10 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:24,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:24,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 162 [2024-11-16 23:36:24,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:24,977 INFO L124 PetriNetUnfolderBase]: 868/2737 cut-off events. [2024-11-16 23:36:24,977 INFO L125 PetriNetUnfolderBase]: For 26461/26591 co-relation queries the response was YES. [2024-11-16 23:36:24,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14816 conditions, 2737 events. 868/2737 cut-off events. For 26461/26591 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 20506 event pairs, 63 based on Foata normal form. 55/2761 useless extension candidates. Maximal degree in co-relation 14730. Up to 699 conditions per place. [2024-11-16 23:36:25,000 INFO L140 encePairwiseOnDemand]: 141/162 looper letters, 395 selfloop transitions, 147 changer transitions 26/721 dead transitions. [2024-11-16 23:36:25,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 721 transitions, 9840 flow [2024-11-16 23:36:25,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:36:25,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:36:25,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1532 transitions. [2024-11-16 23:36:25,003 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8597081930415263 [2024-11-16 23:36:25,003 INFO L175 Difference]: Start difference. First operand has 355 places, 548 transitions, 6949 flow. Second operand 11 states and 1532 transitions. [2024-11-16 23:36:25,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 721 transitions, 9840 flow [2024-11-16 23:36:25,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 721 transitions, 9592 flow, removed 102 selfloop flow, removed 2 redundant places. [2024-11-16 23:36:25,164 INFO L231 Difference]: Finished difference. Result has 369 places, 562 transitions, 7424 flow [2024-11-16 23:36:25,164 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=6704, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7424, PETRI_PLACES=369, PETRI_TRANSITIONS=562} [2024-11-16 23:36:25,165 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 208 predicate places. [2024-11-16 23:36:25,165 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 562 transitions, 7424 flow [2024-11-16 23:36:25,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 127.0) internal successors, (1270), 10 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:25,166 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:25,166 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:25,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:36:25,166 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:25,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:25,167 INFO L85 PathProgramCache]: Analyzing trace with hash 122926454, now seen corresponding path program 1 times [2024-11-16 23:36:25,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:25,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580307517] [2024-11-16 23:36:25,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:25,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:26,160 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:26,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:26,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580307517] [2024-11-16 23:36:26,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580307517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:26,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:26,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:26,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623684980] [2024-11-16 23:36:26,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:26,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:26,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:26,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:26,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:27,033 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 162 [2024-11-16 23:36:27,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 562 transitions, 7424 flow. Second operand has 10 states, 10 states have (on average 133.5) internal successors, (1335), 10 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:27,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:27,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 162 [2024-11-16 23:36:27,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:28,128 INFO L124 PetriNetUnfolderBase]: 1012/3488 cut-off events. [2024-11-16 23:36:28,128 INFO L125 PetriNetUnfolderBase]: For 44708/44961 co-relation queries the response was YES. [2024-11-16 23:36:28,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20083 conditions, 3488 events. 1012/3488 cut-off events. For 44708/44961 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 29613 event pairs, 52 based on Foata normal form. 61/3531 useless extension candidates. Maximal degree in co-relation 19992. Up to 729 conditions per place. [2024-11-16 23:36:28,162 INFO L140 encePairwiseOnDemand]: 144/162 looper letters, 561 selfloop transitions, 153 changer transitions 25/942 dead transitions. [2024-11-16 23:36:28,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 942 transitions, 14601 flow [2024-11-16 23:36:28,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 23:36:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-16 23:36:28,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2242 transitions. [2024-11-16 23:36:28,165 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8649691358024691 [2024-11-16 23:36:28,165 INFO L175 Difference]: Start difference. First operand has 369 places, 562 transitions, 7424 flow. Second operand 16 states and 2242 transitions. [2024-11-16 23:36:28,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 942 transitions, 14601 flow [2024-11-16 23:36:28,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 942 transitions, 14210 flow, removed 74 selfloop flow, removed 4 redundant places. [2024-11-16 23:36:28,387 INFO L231 Difference]: Finished difference. Result has 394 places, 697 transitions, 9995 flow [2024-11-16 23:36:28,387 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=7224, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=9995, PETRI_PLACES=394, PETRI_TRANSITIONS=697} [2024-11-16 23:36:28,388 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 233 predicate places. [2024-11-16 23:36:28,388 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 697 transitions, 9995 flow [2024-11-16 23:36:28,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 133.5) internal successors, (1335), 10 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:28,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:28,388 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:28,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 23:36:28,389 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:28,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:28,389 INFO L85 PathProgramCache]: Analyzing trace with hash -39904778, now seen corresponding path program 10 times [2024-11-16 23:36:28,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:28,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113866710] [2024-11-16 23:36:28,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:28,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:29,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:29,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113866710] [2024-11-16 23:36:29,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113866710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:29,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:29,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:29,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377512048] [2024-11-16 23:36:29,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:29,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:29,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:29,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:29,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:30,231 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:30,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 697 transitions, 9995 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:30,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:30,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:30,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:31,420 INFO L124 PetriNetUnfolderBase]: 1224/3945 cut-off events. [2024-11-16 23:36:31,420 INFO L125 PetriNetUnfolderBase]: For 49488/49735 co-relation queries the response was YES. [2024-11-16 23:36:31,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23750 conditions, 3945 events. 1224/3945 cut-off events. For 49488/49735 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 33391 event pairs, 70 based on Foata normal form. 119/4012 useless extension candidates. Maximal degree in co-relation 23645. Up to 1164 conditions per place. [2024-11-16 23:36:31,460 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 480 selfloop transitions, 184 changer transitions 10/839 dead transitions. [2024-11-16 23:36:31,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 839 transitions, 13031 flow [2024-11-16 23:36:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:36:31,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:36:31,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1530 transitions. [2024-11-16 23:36:31,462 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8585858585858586 [2024-11-16 23:36:31,462 INFO L175 Difference]: Start difference. First operand has 394 places, 697 transitions, 9995 flow. Second operand 11 states and 1530 transitions. [2024-11-16 23:36:31,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 839 transitions, 13031 flow [2024-11-16 23:36:31,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 839 transitions, 12981 flow, removed 9 selfloop flow, removed 3 redundant places. [2024-11-16 23:36:31,707 INFO L231 Difference]: Finished difference. Result has 400 places, 712 transitions, 10735 flow [2024-11-16 23:36:31,708 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9949, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=697, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10735, PETRI_PLACES=400, PETRI_TRANSITIONS=712} [2024-11-16 23:36:31,708 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 239 predicate places. [2024-11-16 23:36:31,709 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 712 transitions, 10735 flow [2024-11-16 23:36:31,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:31,709 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:31,709 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:31,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 23:36:31,710 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:31,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:31,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1830178140, now seen corresponding path program 11 times [2024-11-16 23:36:31,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:31,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198980582] [2024-11-16 23:36:31,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:31,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:32,504 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:32,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:32,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198980582] [2024-11-16 23:36:32,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198980582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:32,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:32,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:32,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268870073] [2024-11-16 23:36:32,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:32,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:32,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:32,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:32,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:33,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:33,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 712 transitions, 10735 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:33,385 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:33,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:33,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:34,546 INFO L124 PetriNetUnfolderBase]: 1220/3951 cut-off events. [2024-11-16 23:36:34,546 INFO L125 PetriNetUnfolderBase]: For 54179/54428 co-relation queries the response was YES. [2024-11-16 23:36:34,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24451 conditions, 3951 events. 1220/3951 cut-off events. For 54179/54428 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 33560 event pairs, 71 based on Foata normal form. 117/4018 useless extension candidates. Maximal degree in co-relation 24345. Up to 1164 conditions per place. [2024-11-16 23:36:34,585 INFO L140 encePairwiseOnDemand]: 144/162 looper letters, 497 selfloop transitions, 176 changer transitions 9/847 dead transitions. [2024-11-16 23:36:34,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 847 transitions, 13661 flow [2024-11-16 23:36:34,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:36:34,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:36:34,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1524 transitions. [2024-11-16 23:36:34,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8552188552188552 [2024-11-16 23:36:34,587 INFO L175 Difference]: Start difference. First operand has 400 places, 712 transitions, 10735 flow. Second operand 11 states and 1524 transitions. [2024-11-16 23:36:34,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 847 transitions, 13661 flow [2024-11-16 23:36:34,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 847 transitions, 13369 flow, removed 12 selfloop flow, removed 6 redundant places. [2024-11-16 23:36:34,854 INFO L231 Difference]: Finished difference. Result has 408 places, 718 transitions, 11064 flow [2024-11-16 23:36:34,854 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=10446, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11064, PETRI_PLACES=408, PETRI_TRANSITIONS=718} [2024-11-16 23:36:34,854 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 247 predicate places. [2024-11-16 23:36:34,855 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 718 transitions, 11064 flow [2024-11-16 23:36:34,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:34,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:34,855 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:34,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 23:36:34,856 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:34,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:34,856 INFO L85 PathProgramCache]: Analyzing trace with hash -81492518, now seen corresponding path program 12 times [2024-11-16 23:36:34,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:34,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661521717] [2024-11-16 23:36:34,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:34,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:35,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:35,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661521717] [2024-11-16 23:36:35,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661521717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:35,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:35,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:35,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793792871] [2024-11-16 23:36:35,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:35,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:35,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:35,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:35,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:36,734 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:36,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 718 transitions, 11064 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:36,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:36,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:36,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:37,953 INFO L124 PetriNetUnfolderBase]: 1215/3955 cut-off events. [2024-11-16 23:36:37,953 INFO L125 PetriNetUnfolderBase]: For 56466/56723 co-relation queries the response was YES. [2024-11-16 23:36:37,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24718 conditions, 3955 events. 1215/3955 cut-off events. For 56466/56723 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 33642 event pairs, 103 based on Foata normal form. 126/4034 useless extension candidates. Maximal degree in co-relation 24608. Up to 1162 conditions per place. [2024-11-16 23:36:37,992 INFO L140 encePairwiseOnDemand]: 144/162 looper letters, 481 selfloop transitions, 185 changer transitions 9/840 dead transitions. [2024-11-16 23:36:37,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 840 transitions, 13678 flow [2024-11-16 23:36:37,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:36:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:36:37,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1527 transitions. [2024-11-16 23:36:37,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8569023569023569 [2024-11-16 23:36:37,994 INFO L175 Difference]: Start difference. First operand has 408 places, 718 transitions, 11064 flow. Second operand 11 states and 1527 transitions. [2024-11-16 23:36:37,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 840 transitions, 13678 flow [2024-11-16 23:36:38,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 840 transitions, 13406 flow, removed 25 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:38,283 INFO L231 Difference]: Finished difference. Result has 414 places, 718 transitions, 11172 flow [2024-11-16 23:36:38,284 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=10792, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11172, PETRI_PLACES=414, PETRI_TRANSITIONS=718} [2024-11-16 23:36:38,284 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 253 predicate places. [2024-11-16 23:36:38,284 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 718 transitions, 11172 flow [2024-11-16 23:36:38,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:38,285 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:38,285 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:38,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 23:36:38,285 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:38,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:38,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1094168610, now seen corresponding path program 13 times [2024-11-16 23:36:38,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:38,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096493070] [2024-11-16 23:36:38,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:38,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:38,899 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:38,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:38,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096493070] [2024-11-16 23:36:38,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096493070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:38,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:38,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:38,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464615882] [2024-11-16 23:36:38,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:38,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:38,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:38,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:38,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:39,939 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:39,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 718 transitions, 11172 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:39,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:39,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:39,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:41,089 INFO L124 PetriNetUnfolderBase]: 1211/3947 cut-off events. [2024-11-16 23:36:41,089 INFO L125 PetriNetUnfolderBase]: For 59212/59468 co-relation queries the response was YES. [2024-11-16 23:36:41,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24840 conditions, 3947 events. 1211/3947 cut-off events. For 59212/59468 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 33604 event pairs, 176 based on Foata normal form. 170/4069 useless extension candidates. Maximal degree in co-relation 24729. Up to 1710 conditions per place. [2024-11-16 23:36:41,125 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 349 selfloop transitions, 239 changer transitions 9/762 dead transitions. [2024-11-16 23:36:41,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 762 transitions, 12959 flow [2024-11-16 23:36:41,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:36:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:36:41,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1506 transitions. [2024-11-16 23:36:41,126 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8451178451178452 [2024-11-16 23:36:41,126 INFO L175 Difference]: Start difference. First operand has 414 places, 718 transitions, 11172 flow. Second operand 11 states and 1506 transitions. [2024-11-16 23:36:41,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 762 transitions, 12959 flow [2024-11-16 23:36:41,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 762 transitions, 12600 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-16 23:36:41,389 INFO L231 Difference]: Finished difference. Result has 418 places, 721 transitions, 11370 flow [2024-11-16 23:36:41,389 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=10813, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=236, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11370, PETRI_PLACES=418, PETRI_TRANSITIONS=721} [2024-11-16 23:36:41,390 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 257 predicate places. [2024-11-16 23:36:41,390 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 721 transitions, 11370 flow [2024-11-16 23:36:41,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:41,390 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:41,390 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:41,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 23:36:41,391 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:41,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:41,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1279295974, now seen corresponding path program 14 times [2024-11-16 23:36:41,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:41,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14273343] [2024-11-16 23:36:41,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:41,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:42,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:42,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14273343] [2024-11-16 23:36:42,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14273343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:42,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:42,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:42,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220914045] [2024-11-16 23:36:42,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:42,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:42,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:42,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:42,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:43,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:43,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 721 transitions, 11370 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:43,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:43,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:43,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:44,461 INFO L124 PetriNetUnfolderBase]: 1213/3937 cut-off events. [2024-11-16 23:36:44,461 INFO L125 PetriNetUnfolderBase]: For 59948/60192 co-relation queries the response was YES. [2024-11-16 23:36:44,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25067 conditions, 3937 events. 1213/3937 cut-off events. For 59948/60192 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 33484 event pairs, 150 based on Foata normal form. 127/4011 useless extension candidates. Maximal degree in co-relation 24954. Up to 1691 conditions per place. [2024-11-16 23:36:44,495 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 354 selfloop transitions, 244 changer transitions 9/772 dead transitions. [2024-11-16 23:36:44,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 772 transitions, 13392 flow [2024-11-16 23:36:44,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 23:36:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-16 23:36:44,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1761 transitions. [2024-11-16 23:36:44,498 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8361823361823362 [2024-11-16 23:36:44,498 INFO L175 Difference]: Start difference. First operand has 418 places, 721 transitions, 11370 flow. Second operand 13 states and 1761 transitions. [2024-11-16 23:36:44,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 772 transitions, 13392 flow [2024-11-16 23:36:44,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 772 transitions, 12915 flow, removed 4 selfloop flow, removed 7 redundant places. [2024-11-16 23:36:44,766 INFO L231 Difference]: Finished difference. Result has 428 places, 739 transitions, 11873 flow [2024-11-16 23:36:44,767 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=10913, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=721, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=11873, PETRI_PLACES=428, PETRI_TRANSITIONS=739} [2024-11-16 23:36:44,768 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 267 predicate places. [2024-11-16 23:36:44,768 INFO L471 AbstractCegarLoop]: Abstraction has has 428 places, 739 transitions, 11873 flow [2024-11-16 23:36:44,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:44,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:44,769 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:44,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 23:36:44,769 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:44,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:44,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1171082272, now seen corresponding path program 15 times [2024-11-16 23:36:44,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:44,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345323396] [2024-11-16 23:36:44,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:44,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:45,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:45,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345323396] [2024-11-16 23:36:45,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345323396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:45,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:45,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:45,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549237182] [2024-11-16 23:36:45,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:45,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:45,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:45,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:45,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:46,289 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:46,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 739 transitions, 11873 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:46,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:46,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:46,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:47,398 INFO L124 PetriNetUnfolderBase]: 1226/3983 cut-off events. [2024-11-16 23:36:47,398 INFO L125 PetriNetUnfolderBase]: For 61781/62024 co-relation queries the response was YES. [2024-11-16 23:36:47,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25371 conditions, 3983 events. 1226/3983 cut-off events. For 61781/62024 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 33960 event pairs, 144 based on Foata normal form. 96/4026 useless extension candidates. Maximal degree in co-relation 25254. Up to 1677 conditions per place. [2024-11-16 23:36:47,427 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 378 selfloop transitions, 243 changer transitions 9/795 dead transitions. [2024-11-16 23:36:47,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 795 transitions, 13881 flow [2024-11-16 23:36:47,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 23:36:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-16 23:36:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1366 transitions. [2024-11-16 23:36:47,429 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8432098765432099 [2024-11-16 23:36:47,429 INFO L175 Difference]: Start difference. First operand has 428 places, 739 transitions, 11873 flow. Second operand 10 states and 1366 transitions. [2024-11-16 23:36:47,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 795 transitions, 13881 flow [2024-11-16 23:36:47,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 795 transitions, 13355 flow, removed 53 selfloop flow, removed 6 redundant places. [2024-11-16 23:36:47,700 INFO L231 Difference]: Finished difference. Result has 436 places, 758 transitions, 12254 flow [2024-11-16 23:36:47,700 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=11363, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=739, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=224, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=12254, PETRI_PLACES=436, PETRI_TRANSITIONS=758} [2024-11-16 23:36:47,701 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 275 predicate places. [2024-11-16 23:36:47,701 INFO L471 AbstractCegarLoop]: Abstraction has has 436 places, 758 transitions, 12254 flow [2024-11-16 23:36:47,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:47,702 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:47,702 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:47,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 23:36:47,702 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:47,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:47,703 INFO L85 PathProgramCache]: Analyzing trace with hash -2101449386, now seen corresponding path program 16 times [2024-11-16 23:36:47,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:47,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29992852] [2024-11-16 23:36:47,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:47,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:48,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:48,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29992852] [2024-11-16 23:36:48,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29992852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:48,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:48,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:48,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112716399] [2024-11-16 23:36:48,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:48,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:48,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:48,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:48,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:49,625 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:49,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 758 transitions, 12254 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:49,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:49,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:49,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:51,056 INFO L124 PetriNetUnfolderBase]: 1233/4021 cut-off events. [2024-11-16 23:36:51,056 INFO L125 PetriNetUnfolderBase]: For 64263/64520 co-relation queries the response was YES. [2024-11-16 23:36:51,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25846 conditions, 4021 events. 1233/4021 cut-off events. For 64263/64520 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 34427 event pairs, 176 based on Foata normal form. 118/4089 useless extension candidates. Maximal degree in co-relation 25725. Up to 1688 conditions per place. [2024-11-16 23:36:51,100 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 362 selfloop transitions, 270 changer transitions 9/806 dead transitions. [2024-11-16 23:36:51,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 806 transitions, 14269 flow [2024-11-16 23:36:51,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 23:36:51,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-16 23:36:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1886 transitions. [2024-11-16 23:36:51,102 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8315696649029982 [2024-11-16 23:36:51,102 INFO L175 Difference]: Start difference. First operand has 436 places, 758 transitions, 12254 flow. Second operand 14 states and 1886 transitions. [2024-11-16 23:36:51,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 806 transitions, 14269 flow [2024-11-16 23:36:51,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 806 transitions, 13869 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-11-16 23:36:51,416 INFO L231 Difference]: Finished difference. Result has 450 places, 775 transitions, 12841 flow [2024-11-16 23:36:51,416 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=11869, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=253, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12841, PETRI_PLACES=450, PETRI_TRANSITIONS=775} [2024-11-16 23:36:51,417 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 289 predicate places. [2024-11-16 23:36:51,417 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 775 transitions, 12841 flow [2024-11-16 23:36:51,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:51,417 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:51,417 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:51,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 23:36:51,417 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:51,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:51,418 INFO L85 PathProgramCache]: Analyzing trace with hash -859360434, now seen corresponding path program 17 times [2024-11-16 23:36:51,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:51,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274614520] [2024-11-16 23:36:51,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:51,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:51,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:51,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274614520] [2024-11-16 23:36:51,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274614520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:51,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:51,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:51,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382312919] [2024-11-16 23:36:51,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:51,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:51,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:51,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:51,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:52,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 162 [2024-11-16 23:36:52,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 775 transitions, 12841 flow. Second operand has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:52,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:52,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 162 [2024-11-16 23:36:52,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:54,195 INFO L124 PetriNetUnfolderBase]: 1234/4019 cut-off events. [2024-11-16 23:36:54,195 INFO L125 PetriNetUnfolderBase]: For 66389/66644 co-relation queries the response was YES. [2024-11-16 23:36:54,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26070 conditions, 4019 events. 1234/4019 cut-off events. For 66389/66644 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 34445 event pairs, 144 based on Foata normal form. 104/4069 useless extension candidates. Maximal degree in co-relation 25944. Up to 1691 conditions per place. [2024-11-16 23:36:54,229 INFO L140 encePairwiseOnDemand]: 142/162 looper letters, 372 selfloop transitions, 269 changer transitions 9/815 dead transitions. [2024-11-16 23:36:54,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 815 transitions, 14742 flow [2024-11-16 23:36:54,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 23:36:54,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-16 23:36:54,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1758 transitions. [2024-11-16 23:36:54,231 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8347578347578347 [2024-11-16 23:36:54,231 INFO L175 Difference]: Start difference. First operand has 450 places, 775 transitions, 12841 flow. Second operand 13 states and 1758 transitions. [2024-11-16 23:36:54,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 815 transitions, 14742 flow [2024-11-16 23:36:54,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 815 transitions, 14351 flow, removed 15 selfloop flow, removed 8 redundant places. [2024-11-16 23:36:54,657 INFO L231 Difference]: Finished difference. Result has 458 places, 787 transitions, 13373 flow [2024-11-16 23:36:54,658 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=12459, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=775, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=257, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=13373, PETRI_PLACES=458, PETRI_TRANSITIONS=787} [2024-11-16 23:36:54,658 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 297 predicate places. [2024-11-16 23:36:54,658 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 787 transitions, 13373 flow [2024-11-16 23:36:54,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:54,659 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:54,659 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:54,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 23:36:54,660 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:54,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:54,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1977375400, now seen corresponding path program 1 times [2024-11-16 23:36:54,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:54,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322589811] [2024-11-16 23:36:54,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:54,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:56,155 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:56,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:56,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322589811] [2024-11-16 23:36:56,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322589811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:56,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:56,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:36:56,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47732552] [2024-11-16 23:36:56,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:56,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:56,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:56,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:56,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:57,324 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 162 [2024-11-16 23:36:57,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 787 transitions, 13373 flow. Second operand has 10 states, 10 states have (on average 134.4) internal successors, (1344), 10 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:57,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:57,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 162 [2024-11-16 23:36:57,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:58,701 INFO L124 PetriNetUnfolderBase]: 1203/4090 cut-off events. [2024-11-16 23:36:58,702 INFO L125 PetriNetUnfolderBase]: For 72127/72505 co-relation queries the response was YES. [2024-11-16 23:36:58,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26040 conditions, 4090 events. 1203/4090 cut-off events. For 72127/72505 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 36163 event pairs, 66 based on Foata normal form. 114/4184 useless extension candidates. Maximal degree in co-relation 25911. Up to 893 conditions per place. [2024-11-16 23:36:58,738 INFO L140 encePairwiseOnDemand]: 146/162 looper letters, 473 selfloop transitions, 118 changer transitions 11/990 dead transitions. [2024-11-16 23:36:58,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 990 transitions, 17060 flow [2024-11-16 23:36:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 23:36:58,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-16 23:36:58,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1707 transitions. [2024-11-16 23:36:58,740 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8780864197530864 [2024-11-16 23:36:58,740 INFO L175 Difference]: Start difference. First operand has 458 places, 787 transitions, 13373 flow. Second operand 12 states and 1707 transitions. [2024-11-16 23:36:58,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 990 transitions, 17060 flow [2024-11-16 23:36:59,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 990 transitions, 16347 flow, removed 17 selfloop flow, removed 9 redundant places. [2024-11-16 23:36:59,195 INFO L231 Difference]: Finished difference. Result has 468 places, 858 transitions, 14261 flow [2024-11-16 23:36:59,195 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=12731, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=787, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=14261, PETRI_PLACES=468, PETRI_TRANSITIONS=858} [2024-11-16 23:36:59,196 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 307 predicate places. [2024-11-16 23:36:59,196 INFO L471 AbstractCegarLoop]: Abstraction has has 468 places, 858 transitions, 14261 flow [2024-11-16 23:36:59,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 134.4) internal successors, (1344), 10 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:36:59,196 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:59,196 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:59,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 23:36:59,196 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:36:59,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:59,197 INFO L85 PathProgramCache]: Analyzing trace with hash 286215430, now seen corresponding path program 2 times [2024-11-16 23:36:59,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:59,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686545662] [2024-11-16 23:36:59,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:59,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:00,312 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:37:00,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:00,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686545662] [2024-11-16 23:37:00,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686545662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:00,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:00,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 23:37:00,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872384440] [2024-11-16 23:37:00,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:00,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:37:00,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:00,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:37:00,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:37:01,175 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 162 [2024-11-16 23:37:01,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 858 transitions, 14261 flow. Second operand has 10 states, 10 states have (on average 134.4) internal successors, (1344), 10 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:01,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:01,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 162 [2024-11-16 23:37:01,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand