./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/07_rand.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/07_rand.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 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:06:11,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:06:11,687 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:06:11,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:06:11,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:06:11,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:06:11,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:06:11,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:06:11,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:06:11,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:06:11,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:06:11,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:06:11,727 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:06:11,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:06:11,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:06:11,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:06:11,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:06:11,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:06:11,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:06:11,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:06:11,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:06:11,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:06:11,733 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:06:11,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:06:11,735 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:06:11,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:06:11,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:06:11,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:06:11,736 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:06:11,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:06:11,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:06:11,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:06:11,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:06:11,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:06:11,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:06:11,738 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:06:11,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:06:11,738 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:06:11,740 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:06:11,740 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:06:11,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:06:11,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 [2024-11-10 14:06:11,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:06:11,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:06:11,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:06:11,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:06:11,984 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:06:11,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/07_rand.i [2024-11-10 14:06:13,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:06:13,466 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:06:13,467 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/07_rand.i [2024-11-10 14:06:13,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a06b820b/141563655bac4ed183800d793b4d8d6b/FLAGa23f6292b [2024-11-10 14:06:13,846 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a06b820b/141563655bac4ed183800d793b4d8d6b [2024-11-10 14:06:13,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:06:13,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:06:13,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:06:13,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:06:13,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:06:13,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:06:13" (1/1) ... [2024-11-10 14:06:13,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c16e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:13, skipping insertion in model container [2024-11-10 14:06:13,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:06:13" (1/1) ... [2024-11-10 14:06:13,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:06:14,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:06:14,177 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:06:14,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:06:14,254 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:06:14,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14 WrapperNode [2024-11-10 14:06:14,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:06:14,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:06:14,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:06:14,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:06:14,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14" (1/1) ... [2024-11-10 14:06:14,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14" (1/1) ... [2024-11-10 14:06:14,293 INFO L138 Inliner]: procedures = 173, calls = 21, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 165 [2024-11-10 14:06:14,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:06:14,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:06:14,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:06:14,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:06:14,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14" (1/1) ... [2024-11-10 14:06:14,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14" (1/1) ... [2024-11-10 14:06:14,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14" (1/1) ... [2024-11-10 14:06:14,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14" (1/1) ... [2024-11-10 14:06:14,313 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14" (1/1) ... [2024-11-10 14:06:14,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14" (1/1) ... [2024-11-10 14:06:14,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14" (1/1) ... [2024-11-10 14:06:14,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14" (1/1) ... [2024-11-10 14:06:14,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:06:14,325 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:06:14,325 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:06:14,325 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:06:14,326 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14" (1/1) ... [2024-11-10 14:06:14,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:06:14,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:06:14,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:06:14,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:06:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-10 14:06:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-10 14:06:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:06:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:06:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:06:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:06:14,409 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:06:14,499 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:06:14,501 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:06:14,711 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:06:14,712 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:06:14,899 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:06:14,899 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:06:14,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:06:14 BoogieIcfgContainer [2024-11-10 14:06:14,900 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:06:14,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:06:14,904 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:06:14,907 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:06:14,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:06:13" (1/3) ... [2024-11-10 14:06:14,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4936b4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:06:14, skipping insertion in model container [2024-11-10 14:06:14,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:14" (2/3) ... [2024-11-10 14:06:14,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4936b4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:06:14, skipping insertion in model container [2024-11-10 14:06:14,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:06:14" (3/3) ... [2024-11-10 14:06:14,909 INFO L112 eAbstractionObserver]: Analyzing ICFG 07_rand.i [2024-11-10 14:06:14,920 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:06:14,920 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-10 14:06:14,921 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:06:14,972 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:06:15,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 141 transitions, 286 flow [2024-11-10 14:06:15,042 INFO L124 PetriNetUnfolderBase]: 14/151 cut-off events. [2024-11-10 14:06:15,044 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:06:15,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 151 events. 14/151 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 265 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 127. Up to 4 conditions per place. [2024-11-10 14:06:15,051 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 141 transitions, 286 flow [2024-11-10 14:06:15,057 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 141 transitions, 286 flow [2024-11-10 14:06:15,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:06:15,068 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;@2a96c398, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:06:15,069 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-10 14:06:15,076 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:06:15,076 INFO L124 PetriNetUnfolderBase]: 1/26 cut-off events. [2024-11-10 14:06:15,076 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:06:15,080 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:15,081 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:15,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-10 14:06:15,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:15,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1159023218, now seen corresponding path program 1 times [2024-11-10 14:06:15,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:15,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655017345] [2024-11-10 14:06:15,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:15,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:15,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:15,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655017345] [2024-11-10 14:06:15,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655017345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:15,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:15,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:06:15,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082321115] [2024-11-10 14:06:15,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:15,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:06:15,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:15,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:06:15,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:06:15,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 141 [2024-11-10 14:06:15,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 141 transitions, 286 flow. Second operand has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:15,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:15,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 141 [2024-11-10 14:06:15,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:15,310 INFO L124 PetriNetUnfolderBase]: 3/115 cut-off events. [2024-11-10 14:06:15,310 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:06:15,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 115 events. 3/115 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 131 event pairs, 0 based on Foata normal form. 21/124 useless extension candidates. Maximal degree in co-relation 101. Up to 7 conditions per place. [2024-11-10 14:06:15,312 INFO L140 encePairwiseOnDemand]: 120/141 looper letters, 6 selfloop transitions, 0 changer transitions 0/110 dead transitions. [2024-11-10 14:06:15,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 110 transitions, 236 flow [2024-11-10 14:06:15,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:06:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:06:15,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 249 transitions. [2024-11-10 14:06:15,322 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8829787234042553 [2024-11-10 14:06:15,324 INFO L175 Difference]: Start difference. First operand has 131 places, 141 transitions, 286 flow. Second operand 2 states and 249 transitions. [2024-11-10 14:06:15,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 110 transitions, 236 flow [2024-11-10 14:06:15,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 110 transitions, 236 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:15,329 INFO L231 Difference]: Finished difference. Result has 111 places, 110 transitions, 224 flow [2024-11-10 14:06:15,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=224, PETRI_PLACES=111, PETRI_TRANSITIONS=110} [2024-11-10 14:06:15,333 INFO L277 CegarLoopForPetriNet]: 131 programPoint places, -20 predicate places. [2024-11-10 14:06:15,334 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 110 transitions, 224 flow [2024-11-10 14:06:15,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:15,334 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:15,334 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] [2024-11-10 14:06:15,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:06:15,335 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err13ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-10 14:06:15,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:15,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1424765806, now seen corresponding path program 1 times [2024-11-10 14:06:15,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:15,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189264634] [2024-11-10 14:06:15,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:15,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:15,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:15,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:15,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189264634] [2024-11-10 14:06:15,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189264634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:15,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:15,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:06:15,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944888085] [2024-11-10 14:06:15,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:15,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:06:15,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:15,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:06:15,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:06:15,398 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 141 [2024-11-10 14:06:15,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 110 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:15,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:15,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 141 [2024-11-10 14:06:15,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:15,424 INFO L124 PetriNetUnfolderBase]: 3/114 cut-off events. [2024-11-10 14:06:15,425 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:06:15,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 114 events. 3/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 128 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 125. Up to 5 conditions per place. [2024-11-10 14:06:15,426 INFO L140 encePairwiseOnDemand]: 138/141 looper letters, 7 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2024-11-10 14:06:15,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 109 transitions, 240 flow [2024-11-10 14:06:15,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:06:15,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:06:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2024-11-10 14:06:15,429 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7825059101654847 [2024-11-10 14:06:15,429 INFO L175 Difference]: Start difference. First operand has 111 places, 110 transitions, 224 flow. Second operand 3 states and 331 transitions. [2024-11-10 14:06:15,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 109 transitions, 240 flow [2024-11-10 14:06:15,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 109 transitions, 240 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:15,431 INFO L231 Difference]: Finished difference. Result has 112 places, 109 transitions, 226 flow [2024-11-10 14:06:15,432 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=112, PETRI_TRANSITIONS=109} [2024-11-10 14:06:15,432 INFO L277 CegarLoopForPetriNet]: 131 programPoint places, -19 predicate places. [2024-11-10 14:06:15,432 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 109 transitions, 226 flow [2024-11-10 14:06:15,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:15,433 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:15,433 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:15,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:06:15,433 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-10 14:06:15,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:15,435 INFO L85 PathProgramCache]: Analyzing trace with hash 2007519272, now seen corresponding path program 1 times [2024-11-10 14:06:15,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:15,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455080033] [2024-11-10 14:06:15,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:15,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:06:15,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:06:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:06:15,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:06:15,485 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:06:15,486 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2024-11-10 14:06:15,490 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-11-10 14:06:15,490 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-11-10 14:06:15,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-11-10 14:06:15,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-11-10 14:06:15,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-11-10 14:06:15,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-11-10 14:06:15,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-11-10 14:06:15,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-11-10 14:06:15,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-11-10 14:06:15,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-11-10 14:06:15,492 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-11-10 14:06:15,492 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-11-10 14:06:15,492 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-11-10 14:06:15,492 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-11-10 14:06:15,492 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-11-10 14:06:15,492 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-11-10 14:06:15,492 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2024-11-10 14:06:15,492 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2024-11-10 14:06:15,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2024-11-10 14:06:15,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2024-11-10 14:06:15,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-11-10 14:06:15,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-11-10 14:06:15,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-11-10 14:06:15,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-11-10 14:06:15,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-11-10 14:06:15,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-11-10 14:06:15,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2024-11-10 14:06:15,494 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-11-10 14:06:15,494 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-11-10 14:06:15,494 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-11-10 14:06:15,494 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-11-10 14:06:15,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-11-10 14:06:15,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:06:15,498 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-10 14:06:15,500 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 14:06:15,500 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-10 14:06:15,543 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:06:15,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 257 transitions, 524 flow [2024-11-10 14:06:15,618 INFO L124 PetriNetUnfolderBase]: 27/279 cut-off events. [2024-11-10 14:06:15,618 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:06:15,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 279 events. 27/279 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 894 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 242. Up to 6 conditions per place. [2024-11-10 14:06:15,626 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 257 transitions, 524 flow [2024-11-10 14:06:15,632 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 237 places, 257 transitions, 524 flow [2024-11-10 14:06:15,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:06:15,636 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;@2a96c398, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:06:15,636 INFO L334 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2024-11-10 14:06:15,641 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:06:15,641 INFO L124 PetriNetUnfolderBase]: 1/26 cut-off events. [2024-11-10 14:06:15,642 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:06:15,642 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:15,642 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:15,643 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-10 14:06:15,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:15,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1510657249, now seen corresponding path program 1 times [2024-11-10 14:06:15,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:15,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983254263] [2024-11-10 14:06:15,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:15,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:15,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:15,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983254263] [2024-11-10 14:06:15,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983254263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:15,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:15,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:06:15,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103527396] [2024-11-10 14:06:15,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:15,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:06:15,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:15,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:06:15,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:06:15,677 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 257 [2024-11-10 14:06:15,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 257 transitions, 524 flow. Second operand has 2 states, 2 states have (on average 200.0) internal successors, (400), 2 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:15,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:15,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 257 [2024-11-10 14:06:15,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:15,807 INFO L124 PetriNetUnfolderBase]: 54/770 cut-off events. [2024-11-10 14:06:15,808 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-10 14:06:15,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 866 conditions, 770 events. 54/770 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4684 event pairs, 30 based on Foata normal form. 186/852 useless extension candidates. Maximal degree in co-relation 710. Up to 73 conditions per place. [2024-11-10 14:06:15,814 INFO L140 encePairwiseOnDemand]: 217/257 looper letters, 12 selfloop transitions, 0 changer transitions 0/200 dead transitions. [2024-11-10 14:06:15,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 200 transitions, 434 flow [2024-11-10 14:06:15,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:06:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:06:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 450 transitions. [2024-11-10 14:06:15,818 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8754863813229572 [2024-11-10 14:06:15,820 INFO L175 Difference]: Start difference. First operand has 237 places, 257 transitions, 524 flow. Second operand 2 states and 450 transitions. [2024-11-10 14:06:15,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 200 transitions, 434 flow [2024-11-10 14:06:15,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 200 transitions, 434 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:15,824 INFO L231 Difference]: Finished difference. Result has 200 places, 200 transitions, 410 flow [2024-11-10 14:06:15,824 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=410, PETRI_PLACES=200, PETRI_TRANSITIONS=200} [2024-11-10 14:06:15,824 INFO L277 CegarLoopForPetriNet]: 237 programPoint places, -37 predicate places. [2024-11-10 14:06:15,825 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 200 transitions, 410 flow [2024-11-10 14:06:15,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 200.0) internal successors, (400), 2 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:15,825 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:15,826 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] [2024-11-10 14:06:15,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:06:15,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err13ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-10 14:06:15,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:15,828 INFO L85 PathProgramCache]: Analyzing trace with hash 42699173, now seen corresponding path program 1 times [2024-11-10 14:06:15,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:15,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463860625] [2024-11-10 14:06:15,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:15,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:15,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:15,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463860625] [2024-11-10 14:06:15,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463860625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:15,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:15,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:06:15,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601903878] [2024-11-10 14:06:15,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:15,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:06:15,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:15,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:06:15,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:06:15,895 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 257 [2024-11-10 14:06:15,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 200 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:15,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:15,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 257 [2024-11-10 14:06:15,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:16,055 INFO L124 PetriNetUnfolderBase]: 128/1371 cut-off events. [2024-11-10 14:06:16,056 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-10 14:06:16,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1603 conditions, 1371 events. 128/1371 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 10386 event pairs, 37 based on Foata normal form. 0/1193 useless extension candidates. Maximal degree in co-relation 1598. Up to 124 conditions per place. [2024-11-10 14:06:16,061 INFO L140 encePairwiseOnDemand]: 249/257 looper letters, 31 selfloop transitions, 6 changer transitions 0/217 dead transitions. [2024-11-10 14:06:16,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 217 transitions, 523 flow [2024-11-10 14:06:16,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:06:16,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:06:16,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 612 transitions. [2024-11-10 14:06:16,062 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7937743190661478 [2024-11-10 14:06:16,063 INFO L175 Difference]: Start difference. First operand has 200 places, 200 transitions, 410 flow. Second operand 3 states and 612 transitions. [2024-11-10 14:06:16,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 217 transitions, 523 flow [2024-11-10 14:06:16,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 217 transitions, 523 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:16,066 INFO L231 Difference]: Finished difference. Result has 204 places, 206 transitions, 462 flow [2024-11-10 14:06:16,066 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=204, PETRI_TRANSITIONS=206} [2024-11-10 14:06:16,067 INFO L277 CegarLoopForPetriNet]: 237 programPoint places, -33 predicate places. [2024-11-10 14:06:16,067 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 206 transitions, 462 flow [2024-11-10 14:06:16,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:16,068 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:16,068 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:16,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:06:16,068 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-10 14:06:16,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:16,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1582225481, now seen corresponding path program 1 times [2024-11-10 14:06:16,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:16,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764302168] [2024-11-10 14:06:16,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:16,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:16,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:16,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764302168] [2024-11-10 14:06:16,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764302168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:16,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:16,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:06:16,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25616615] [2024-11-10 14:06:16,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:16,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:06:16,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:16,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:06:16,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:06:16,147 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 257 [2024-11-10 14:06:16,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 206 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:16,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:16,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 257 [2024-11-10 14:06:16,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:16,361 INFO L124 PetriNetUnfolderBase]: 265/2214 cut-off events. [2024-11-10 14:06:16,361 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2024-11-10 14:06:16,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2795 conditions, 2214 events. 265/2214 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 19050 event pairs, 157 based on Foata normal form. 0/1927 useless extension candidates. Maximal degree in co-relation 2788. Up to 400 conditions per place. [2024-11-10 14:06:16,375 INFO L140 encePairwiseOnDemand]: 249/257 looper letters, 31 selfloop transitions, 7 changer transitions 0/218 dead transitions. [2024-11-10 14:06:16,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 218 transitions, 567 flow [2024-11-10 14:06:16,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:06:16,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:06:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 594 transitions. [2024-11-10 14:06:16,378 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7704280155642024 [2024-11-10 14:06:16,378 INFO L175 Difference]: Start difference. First operand has 204 places, 206 transitions, 462 flow. Second operand 3 states and 594 transitions. [2024-11-10 14:06:16,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 218 transitions, 567 flow [2024-11-10 14:06:16,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 218 transitions, 555 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:06:16,382 INFO L231 Difference]: Finished difference. Result has 206 places, 212 transitions, 504 flow [2024-11-10 14:06:16,383 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=206, PETRI_TRANSITIONS=212} [2024-11-10 14:06:16,385 INFO L277 CegarLoopForPetriNet]: 237 programPoint places, -31 predicate places. [2024-11-10 14:06:16,386 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 212 transitions, 504 flow [2024-11-10 14:06:16,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:16,386 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:16,386 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:16,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:06:16,387 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-10 14:06:16,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:16,388 INFO L85 PathProgramCache]: Analyzing trace with hash -670690434, now seen corresponding path program 1 times [2024-11-10 14:06:16,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:16,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765885516] [2024-11-10 14:06:16,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:16,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:06:16,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:06:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:06:16,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:06:16,419 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:06:16,419 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 49 remaining) [2024-11-10 14:06:16,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2024-11-10 14:06:16,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2024-11-10 14:06:16,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2024-11-10 14:06:16,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2024-11-10 14:06:16,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2024-11-10 14:06:16,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2024-11-10 14:06:16,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2024-11-10 14:06:16,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2024-11-10 14:06:16,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2024-11-10 14:06:16,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2024-11-10 14:06:16,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2024-11-10 14:06:16,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2024-11-10 14:06:16,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2024-11-10 14:06:16,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2024-11-10 14:06:16,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2024-11-10 14:06:16,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2024-11-10 14:06:16,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2024-11-10 14:06:16,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2024-11-10 14:06:16,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2024-11-10 14:06:16,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2024-11-10 14:06:16,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2024-11-10 14:06:16,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2024-11-10 14:06:16,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2024-11-10 14:06:16,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2024-11-10 14:06:16,423 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2024-11-10 14:06:16,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2024-11-10 14:06:16,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2024-11-10 14:06:16,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2024-11-10 14:06:16,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2024-11-10 14:06:16,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining) [2024-11-10 14:06:16,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining) [2024-11-10 14:06:16,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2024-11-10 14:06:16,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2024-11-10 14:06:16,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2024-11-10 14:06:16,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2024-11-10 14:06:16,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2024-11-10 14:06:16,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2024-11-10 14:06:16,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2024-11-10 14:06:16,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2024-11-10 14:06:16,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2024-11-10 14:06:16,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2024-11-10 14:06:16,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2024-11-10 14:06:16,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2024-11-10 14:06:16,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2024-11-10 14:06:16,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2024-11-10 14:06:16,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2024-11-10 14:06:16,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2024-11-10 14:06:16,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2024-11-10 14:06:16,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:06:16,426 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 14:06:16,430 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 14:06:16,431 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-10 14:06:16,491 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:06:16,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 343 places, 373 transitions, 764 flow [2024-11-10 14:06:16,542 INFO L124 PetriNetUnfolderBase]: 40/407 cut-off events. [2024-11-10 14:06:16,542 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 14:06:16,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 407 events. 40/407 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1645 event pairs, 0 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 357. Up to 8 conditions per place. [2024-11-10 14:06:16,547 INFO L82 GeneralOperation]: Start removeDead. Operand has 343 places, 373 transitions, 764 flow [2024-11-10 14:06:16,553 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 343 places, 373 transitions, 764 flow [2024-11-10 14:06:16,554 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:06:16,554 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;@2a96c398, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:06:16,554 INFO L334 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2024-11-10 14:06:16,556 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:06:16,556 INFO L124 PetriNetUnfolderBase]: 1/25 cut-off events. [2024-11-10 14:06:16,556 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:06:16,556 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:16,557 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:16,557 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-10 14:06:16,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:16,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1015396652, now seen corresponding path program 1 times [2024-11-10 14:06:16,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:16,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055127922] [2024-11-10 14:06:16,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:16,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:16,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:16,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055127922] [2024-11-10 14:06:16,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055127922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:16,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:16,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:06:16,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858170235] [2024-11-10 14:06:16,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:16,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:06:16,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:16,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:06:16,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:06:16,571 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 373 [2024-11-10 14:06:16,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 373 transitions, 764 flow. Second operand has 2 states, 2 states have (on average 288.0) internal successors, (576), 2 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:16,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:16,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 373 [2024-11-10 14:06:16,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:17,109 INFO L124 PetriNetUnfolderBase]: 543/4923 cut-off events. [2024-11-10 14:06:17,109 INFO L125 PetriNetUnfolderBase]: For 238/238 co-relation queries the response was YES. [2024-11-10 14:06:17,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5740 conditions, 4923 events. 543/4923 cut-off events. For 238/238 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 51314 event pairs, 390 based on Foata normal form. 1483/5718 useless extension candidates. Maximal degree in co-relation 4659. Up to 649 conditions per place. [2024-11-10 14:06:17,154 INFO L140 encePairwiseOnDemand]: 314/373 looper letters, 18 selfloop transitions, 0 changer transitions 0/290 dead transitions. [2024-11-10 14:06:17,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 290 transitions, 634 flow [2024-11-10 14:06:17,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:06:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:06:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 651 transitions. [2024-11-10 14:06:17,157 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8726541554959786 [2024-11-10 14:06:17,157 INFO L175 Difference]: Start difference. First operand has 343 places, 373 transitions, 764 flow. Second operand 2 states and 651 transitions. [2024-11-10 14:06:17,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 290 transitions, 634 flow [2024-11-10 14:06:17,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 290 transitions, 632 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:17,162 INFO L231 Difference]: Finished difference. Result has 289 places, 290 transitions, 596 flow [2024-11-10 14:06:17,163 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=596, PETRI_PLACES=289, PETRI_TRANSITIONS=290} [2024-11-10 14:06:17,163 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -54 predicate places. [2024-11-10 14:06:17,163 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 290 transitions, 596 flow [2024-11-10 14:06:17,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 288.0) internal successors, (576), 2 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:17,164 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:17,164 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] [2024-11-10 14:06:17,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:06:17,164 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err13ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-10 14:06:17,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:17,165 INFO L85 PathProgramCache]: Analyzing trace with hash -838565512, now seen corresponding path program 1 times [2024-11-10 14:06:17,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:17,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79522393] [2024-11-10 14:06:17,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:17,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:17,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:17,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:17,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79522393] [2024-11-10 14:06:17,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79522393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:17,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:17,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:06:17,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817359567] [2024-11-10 14:06:17,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:17,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:06:17,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:17,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:06:17,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:06:17,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 373 [2024-11-10 14:06:17,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 290 transitions, 596 flow. Second operand has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:17,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:17,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 373 [2024-11-10 14:06:17,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:18,895 INFO L124 PetriNetUnfolderBase]: 2542/16161 cut-off events. [2024-11-10 14:06:18,896 INFO L125 PetriNetUnfolderBase]: For 355/355 co-relation queries the response was YES. [2024-11-10 14:06:18,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19892 conditions, 16161 events. 2542/16161 cut-off events. For 355/355 co-relation queries the response was YES. Maximal size of possible extension queue 491. Compared 211546 event pairs, 849 based on Foata normal form. 0/14032 useless extension candidates. Maximal degree in co-relation 19886. Up to 2052 conditions per place. [2024-11-10 14:06:18,979 INFO L140 encePairwiseOnDemand]: 361/373 looper letters, 47 selfloop transitions, 9 changer transitions 0/316 dead transitions. [2024-11-10 14:06:18,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 316 transitions, 770 flow [2024-11-10 14:06:18,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:06:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:06:18,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-11-10 14:06:18,981 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7899910634495085 [2024-11-10 14:06:18,981 INFO L175 Difference]: Start difference. First operand has 289 places, 290 transitions, 596 flow. Second operand 3 states and 884 transitions. [2024-11-10 14:06:18,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 316 transitions, 770 flow [2024-11-10 14:06:18,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 316 transitions, 770 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:18,985 INFO L231 Difference]: Finished difference. Result has 293 places, 299 transitions, 674 flow [2024-11-10 14:06:18,986 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=674, PETRI_PLACES=293, PETRI_TRANSITIONS=299} [2024-11-10 14:06:18,986 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -50 predicate places. [2024-11-10 14:06:18,986 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 299 transitions, 674 flow [2024-11-10 14:06:18,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:18,987 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:18,987 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:18,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:06:18,988 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-10 14:06:18,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:18,988 INFO L85 PathProgramCache]: Analyzing trace with hash 2044580921, now seen corresponding path program 1 times [2024-11-10 14:06:18,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:18,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284608924] [2024-11-10 14:06:18,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:18,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:19,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:19,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284608924] [2024-11-10 14:06:19,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284608924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:19,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:19,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:06:19,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973509245] [2024-11-10 14:06:19,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:19,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:06:19,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:19,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:06:19,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:06:19,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 373 [2024-11-10 14:06:19,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 299 transitions, 674 flow. Second operand has 3 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:19,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:19,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 373 [2024-11-10 14:06:19,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:22,859 INFO L124 PetriNetUnfolderBase]: 7518/42193 cut-off events. [2024-11-10 14:06:22,860 INFO L125 PetriNetUnfolderBase]: For 1061/1061 co-relation queries the response was YES. [2024-11-10 14:06:23,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54344 conditions, 42193 events. 7518/42193 cut-off events. For 1061/1061 co-relation queries the response was YES. Maximal size of possible extension queue 1084. Compared 631127 event pairs, 5039 based on Foata normal form. 0/36383 useless extension candidates. Maximal degree in co-relation 54336. Up to 9241 conditions per place. [2024-11-10 14:06:23,164 INFO L140 encePairwiseOnDemand]: 361/373 looper letters, 47 selfloop transitions, 11 changer transitions 0/321 dead transitions. [2024-11-10 14:06:23,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 321 transitions, 844 flow [2024-11-10 14:06:23,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:06:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:06:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 866 transitions. [2024-11-10 14:06:23,166 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.77390527256479 [2024-11-10 14:06:23,166 INFO L175 Difference]: Start difference. First operand has 293 places, 299 transitions, 674 flow. Second operand 3 states and 866 transitions. [2024-11-10 14:06:23,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 321 transitions, 844 flow [2024-11-10 14:06:23,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 321 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:06:23,177 INFO L231 Difference]: Finished difference. Result has 295 places, 309 transitions, 742 flow [2024-11-10 14:06:23,178 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=295, PETRI_TRANSITIONS=309} [2024-11-10 14:06:23,178 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -48 predicate places. [2024-11-10 14:06:23,178 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 309 transitions, 742 flow [2024-11-10 14:06:23,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:23,179 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:23,179 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:23,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:06:23,179 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-10 14:06:23,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:23,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1761621903, now seen corresponding path program 1 times [2024-11-10 14:06:23,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:23,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654774504] [2024-11-10 14:06:23,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:23,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:23,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:23,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654774504] [2024-11-10 14:06:23,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654774504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:23,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:23,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:06:23,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935919896] [2024-11-10 14:06:23,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:23,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:06:23,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:23,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:06:23,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:06:23,238 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 373 [2024-11-10 14:06:23,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 309 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:23,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:23,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 373 [2024-11-10 14:06:23,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:26,480 INFO L124 PetriNetUnfolderBase]: 6022/36885 cut-off events. [2024-11-10 14:06:26,480 INFO L125 PetriNetUnfolderBase]: For 2044/2700 co-relation queries the response was YES. [2024-11-10 14:06:26,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49062 conditions, 36885 events. 6022/36885 cut-off events. For 2044/2700 co-relation queries the response was YES. Maximal size of possible extension queue 1015. Compared 550970 event pairs, 2817 based on Foata normal form. 34/31176 useless extension candidates. Maximal degree in co-relation 49053. Up to 4609 conditions per place. [2024-11-10 14:06:26,726 INFO L140 encePairwiseOnDemand]: 366/373 looper letters, 46 selfloop transitions, 11 changer transitions 0/331 dead transitions. [2024-11-10 14:06:26,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 331 transitions, 926 flow [2024-11-10 14:06:26,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:06:26,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:06:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 876 transitions. [2024-11-10 14:06:26,728 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7828418230563002 [2024-11-10 14:06:26,728 INFO L175 Difference]: Start difference. First operand has 295 places, 309 transitions, 742 flow. Second operand 3 states and 876 transitions. [2024-11-10 14:06:26,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 331 transitions, 926 flow [2024-11-10 14:06:26,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 331 transitions, 904 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:06:26,756 INFO L231 Difference]: Finished difference. Result has 297 places, 318 transitions, 818 flow [2024-11-10 14:06:26,756 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=297, PETRI_TRANSITIONS=318} [2024-11-10 14:06:26,757 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -46 predicate places. [2024-11-10 14:06:26,757 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 318 transitions, 818 flow [2024-11-10 14:06:26,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:26,757 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:26,757 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:26,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:06:26,758 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-10 14:06:26,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:26,758 INFO L85 PathProgramCache]: Analyzing trace with hash 91002761, now seen corresponding path program 1 times [2024-11-10 14:06:26,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:26,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175345379] [2024-11-10 14:06:26,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:26,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:26,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 14:06:26,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:26,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175345379] [2024-11-10 14:06:26,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175345379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:26,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:26,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:06:26,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448693444] [2024-11-10 14:06:26,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:26,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:06:26,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:26,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:06:26,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:06:26,820 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 373 [2024-11-10 14:06:26,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 318 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:26,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:26,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 373 [2024-11-10 14:06:26,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:28,411 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1266] L739-1-->L740: Formula: (and (not (= (ite (= v_~m~0_147 1) 1 0) 0)) (= v_~m~0_146 0)) InVars {~m~0=v_~m~0_147} OutVars{thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1=|v_thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1_11|, ~m~0=v_~m~0_146, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_15|, #race~m~0=|v_#race~m~0_187|, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_15|} AuxVars[] AssignedVars[~m~0, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1, #race~m~0, thr1Thread1of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1][100], [Black: 355#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), Black: 358#true, 344#true, 363#true, 305#L740true, 346#true, 106#L752-2true, 165#L719-2true, 76#L734-2true, 360#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), 340#true, Black: 350#(= |#race~state~0| 0), 342#true]) [2024-11-10 14:06:28,412 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2024-11-10 14:06:28,415 INFO L297 olderBase$Statistics]: existing Event has 82 ancestors and is cut-off event [2024-11-10 14:06:28,415 INFO L297 olderBase$Statistics]: existing Event has 82 ancestors and is cut-off event [2024-11-10 14:06:28,415 INFO L297 olderBase$Statistics]: existing Event has 82 ancestors and is cut-off event [2024-11-10 14:06:28,921 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1166] L719-3-->L719-2: Formula: (= 0 |v_#race~seed~0_9|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_9|} AuxVars[] AssignedVars[#race~seed~0][341], [Black: 348#true, Black: 355#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), Black: 360#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), 344#true, 363#true, 346#true, 106#L752-2true, 231#L723true, 236#L723true, 165#L719-2true, 340#true, 358#true, 342#true]) [2024-11-10 14:06:28,922 INFO L294 olderBase$Statistics]: this new event has 90 ancestors and is cut-off event [2024-11-10 14:06:28,922 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2024-11-10 14:06:28,922 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2024-11-10 14:06:28,922 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2024-11-10 14:06:32,138 INFO L124 PetriNetUnfolderBase]: 11409/58834 cut-off events. [2024-11-10 14:06:32,139 INFO L125 PetriNetUnfolderBase]: For 5976/7039 co-relation queries the response was YES. [2024-11-10 14:06:32,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82835 conditions, 58834 events. 11409/58834 cut-off events. For 5976/7039 co-relation queries the response was YES. Maximal size of possible extension queue 1617. Compared 919229 event pairs, 6703 based on Foata normal form. 32/50372 useless extension candidates. Maximal degree in co-relation 82825. Up to 13660 conditions per place. [2024-11-10 14:06:32,663 INFO L140 encePairwiseOnDemand]: 361/373 looper letters, 53 selfloop transitions, 16 changer transitions 0/343 dead transitions. [2024-11-10 14:06:32,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 343 transitions, 1029 flow [2024-11-10 14:06:32,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:06:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:06:32,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 865 transitions. [2024-11-10 14:06:32,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.773011617515639 [2024-11-10 14:06:32,669 INFO L175 Difference]: Start difference. First operand has 297 places, 318 transitions, 818 flow. Second operand 3 states and 865 transitions. [2024-11-10 14:06:32,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 343 transitions, 1029 flow [2024-11-10 14:06:32,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 343 transitions, 1007 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:06:32,694 INFO L231 Difference]: Finished difference. Result has 299 places, 332 transitions, 936 flow [2024-11-10 14:06:32,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=936, PETRI_PLACES=299, PETRI_TRANSITIONS=332} [2024-11-10 14:06:32,695 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -44 predicate places. [2024-11-10 14:06:32,695 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 332 transitions, 936 flow [2024-11-10 14:06:32,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:32,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:32,696 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] [2024-11-10 14:06:32,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:06:32,696 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-10 14:06:32,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:32,700 INFO L85 PathProgramCache]: Analyzing trace with hash -137468983, now seen corresponding path program 1 times [2024-11-10 14:06:32,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:32,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784485507] [2024-11-10 14:06:32,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:32,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:32,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:32,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784485507] [2024-11-10 14:06:32,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784485507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:32,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:32,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:06:32,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829960392] [2024-11-10 14:06:32,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:32,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:06:32,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:32,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:06:32,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:06:32,816 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 373 [2024-11-10 14:06:32,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 332 transitions, 936 flow. Second operand has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:32,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:32,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 373 [2024-11-10 14:06:32,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:34,192 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1166] L719-3-->L719-2: Formula: (= 0 |v_#race~seed~0_9|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_9|} AuxVars[] AssignedVars[#race~seed~0][342], [Black: 348#true, Black: 355#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), Black: 360#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), 344#true, 363#true, Black: 365#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 346#true, 106#L752-2true, 231#L723true, 236#L723true, 165#L719-2true, 371#|thr1Thread1of3ForFork0_#t~switch9#1|, 340#true, 342#true]) [2024-11-10 14:06:34,193 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2024-11-10 14:06:34,193 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2024-11-10 14:06:34,193 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2024-11-10 14:06:34,193 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2024-11-10 14:06:34,398 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1166] L719-3-->L719-2: Formula: (= 0 |v_#race~seed~0_9|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_9|} AuxVars[] AssignedVars[#race~seed~0][342], [Black: 348#true, Black: 355#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), Black: 360#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), 344#true, 363#true, Black: 365#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 346#true, 106#L752-2true, 231#L723true, 236#L723true, 165#L719-2true, 371#|thr1Thread1of3ForFork0_#t~switch9#1|, 340#true, 342#true]) [2024-11-10 14:06:34,398 INFO L294 olderBase$Statistics]: this new event has 90 ancestors and is cut-off event [2024-11-10 14:06:34,398 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2024-11-10 14:06:34,398 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2024-11-10 14:06:34,398 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2024-11-10 14:06:34,399 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2024-11-10 14:06:34,453 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1166] L719-3-->L719-2: Formula: (= 0 |v_#race~seed~0_9|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_9|} AuxVars[] AssignedVars[#race~seed~0][282], [Black: 348#true, Black: 355#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), Black: 360#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), 344#true, 246#PseudoRandomUsingAtomic_constructor_returnLabel#1true, 363#true, Black: 365#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 346#true, 106#L752-2true, 231#L723true, 165#L719-2true, 371#|thr1Thread1of3ForFork0_#t~switch9#1|, 340#true, 342#true]) [2024-11-10 14:06:34,454 INFO L294 olderBase$Statistics]: this new event has 91 ancestors and is cut-off event [2024-11-10 14:06:34,454 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2024-11-10 14:06:34,454 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2024-11-10 14:06:34,454 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2024-11-10 14:06:34,455 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1166] L719-3-->L719-2: Formula: (= 0 |v_#race~seed~0_9|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_9|} AuxVars[] AssignedVars[#race~seed~0][282], [Black: 348#true, Black: 355#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), Black: 360#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), 344#true, 246#PseudoRandomUsingAtomic_constructor_returnLabel#1true, 363#true, Black: 365#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 346#true, 106#L752-2true, 231#L723true, 165#L719-2true, 371#|thr1Thread1of3ForFork0_#t~switch9#1|, 340#true, 342#true]) [2024-11-10 14:06:34,455 INFO L294 olderBase$Statistics]: this new event has 86 ancestors and is cut-off event [2024-11-10 14:06:34,455 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2024-11-10 14:06:34,455 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2024-11-10 14:06:34,455 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2024-11-10 14:06:34,455 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2024-11-10 14:06:34,510 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1166] L719-3-->L719-2: Formula: (= 0 |v_#race~seed~0_9|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_9|} AuxVars[] AssignedVars[#race~seed~0][298], [Black: 348#true, 220#PseudoRandomUsingAtomic_constructor_returnLabel#1true, Black: 355#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), Black: 360#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), 344#true, 363#true, Black: 365#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 346#true, 106#L752-2true, 236#L723true, 165#L719-2true, 371#|thr1Thread1of3ForFork0_#t~switch9#1|, 340#true, 342#true]) [2024-11-10 14:06:34,510 INFO L294 olderBase$Statistics]: this new event has 91 ancestors and is cut-off event [2024-11-10 14:06:34,510 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2024-11-10 14:06:34,511 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2024-11-10 14:06:34,511 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2024-11-10 14:06:34,511 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1166] L719-3-->L719-2: Formula: (= 0 |v_#race~seed~0_9|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_9|} AuxVars[] AssignedVars[#race~seed~0][298], [Black: 348#true, 220#PseudoRandomUsingAtomic_constructor_returnLabel#1true, Black: 355#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), Black: 360#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), 344#true, 363#true, Black: 365#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 346#true, 106#L752-2true, 236#L723true, 165#L719-2true, 371#|thr1Thread1of3ForFork0_#t~switch9#1|, 340#true, 342#true]) [2024-11-10 14:06:34,511 INFO L294 olderBase$Statistics]: this new event has 86 ancestors and is not cut-off event [2024-11-10 14:06:34,511 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is not cut-off event [2024-11-10 14:06:34,511 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is not cut-off event [2024-11-10 14:06:34,511 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is not cut-off event [2024-11-10 14:06:34,511 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is not cut-off event [2024-11-10 14:06:34,908 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1166] L719-3-->L719-2: Formula: (= 0 |v_#race~seed~0_9|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_9|} AuxVars[] AssignedVars[#race~seed~0][252], [Black: 348#true, Black: 355#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), Black: 360#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), 344#true, 246#PseudoRandomUsingAtomic_constructor_returnLabel#1true, 363#true, Black: 365#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 65#thr1Err12ASSERT_VIOLATIONDATA_RACEtrue, 346#true, 106#L752-2true, 165#L719-2true, 371#|thr1Thread1of3ForFork0_#t~switch9#1|, 340#true, 342#true]) [2024-11-10 14:06:34,909 INFO L294 olderBase$Statistics]: this new event has 91 ancestors and is cut-off event [2024-11-10 14:06:34,909 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2024-11-10 14:06:34,909 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2024-11-10 14:06:34,909 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2024-11-10 14:06:36,190 INFO L124 PetriNetUnfolderBase]: 7391/41077 cut-off events. [2024-11-10 14:06:36,190 INFO L125 PetriNetUnfolderBase]: For 4380/5225 co-relation queries the response was YES. [2024-11-10 14:06:36,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58904 conditions, 41077 events. 7391/41077 cut-off events. For 4380/5225 co-relation queries the response was YES. Maximal size of possible extension queue 1218. Compared 620429 event pairs, 1900 based on Foata normal form. 43/34186 useless extension candidates. Maximal degree in co-relation 58893. Up to 3767 conditions per place. [2024-11-10 14:06:36,472 INFO L140 encePairwiseOnDemand]: 364/373 looper letters, 62 selfloop transitions, 10 changer transitions 0/375 dead transitions. [2024-11-10 14:06:36,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 375 transitions, 1191 flow [2024-11-10 14:06:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:06:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:06:36,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1454 transitions. [2024-11-10 14:06:36,476 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7796246648793566 [2024-11-10 14:06:36,476 INFO L175 Difference]: Start difference. First operand has 299 places, 332 transitions, 936 flow. Second operand 5 states and 1454 transitions. [2024-11-10 14:06:36,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 375 transitions, 1191 flow [2024-11-10 14:06:36,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 375 transitions, 1159 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:06:36,515 INFO L231 Difference]: Finished difference. Result has 305 places, 340 transitions, 980 flow [2024-11-10 14:06:36,515 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=980, PETRI_PLACES=305, PETRI_TRANSITIONS=340} [2024-11-10 14:06:36,515 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -38 predicate places. [2024-11-10 14:06:36,515 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 340 transitions, 980 flow [2024-11-10 14:06:36,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:36,516 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:36,516 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:36,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:06:36,517 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-10 14:06:36,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:36,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1022125765, now seen corresponding path program 1 times [2024-11-10 14:06:36,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:36,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458391195] [2024-11-10 14:06:36,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:36,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:06:36,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:06:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:06:36,530 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:06:36,530 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:06:36,530 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 65 remaining) [2024-11-10 14:06:36,530 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (63 of 65 remaining) [2024-11-10 14:06:36,530 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (62 of 65 remaining) [2024-11-10 14:06:36,530 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 65 remaining) [2024-11-10 14:06:36,530 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (60 of 65 remaining) [2024-11-10 14:06:36,531 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (59 of 65 remaining) [2024-11-10 14:06:36,531 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (58 of 65 remaining) [2024-11-10 14:06:36,531 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (57 of 65 remaining) [2024-11-10 14:06:36,531 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (56 of 65 remaining) [2024-11-10 14:06:36,531 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (55 of 65 remaining) [2024-11-10 14:06:36,531 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (54 of 65 remaining) [2024-11-10 14:06:36,531 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (53 of 65 remaining) [2024-11-10 14:06:36,531 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (52 of 65 remaining) [2024-11-10 14:06:36,531 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (51 of 65 remaining) [2024-11-10 14:06:36,531 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (50 of 65 remaining) [2024-11-10 14:06:36,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (49 of 65 remaining) [2024-11-10 14:06:36,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (48 of 65 remaining) [2024-11-10 14:06:36,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (47 of 65 remaining) [2024-11-10 14:06:36,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (46 of 65 remaining) [2024-11-10 14:06:36,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (45 of 65 remaining) [2024-11-10 14:06:36,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 65 remaining) [2024-11-10 14:06:36,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (43 of 65 remaining) [2024-11-10 14:06:36,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (42 of 65 remaining) [2024-11-10 14:06:36,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (41 of 65 remaining) [2024-11-10 14:06:36,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 65 remaining) [2024-11-10 14:06:36,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (39 of 65 remaining) [2024-11-10 14:06:36,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (38 of 65 remaining) [2024-11-10 14:06:36,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (37 of 65 remaining) [2024-11-10 14:06:36,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (36 of 65 remaining) [2024-11-10 14:06:36,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (35 of 65 remaining) [2024-11-10 14:06:36,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (34 of 65 remaining) [2024-11-10 14:06:36,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (33 of 65 remaining) [2024-11-10 14:06:36,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (32 of 65 remaining) [2024-11-10 14:06:36,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (31 of 65 remaining) [2024-11-10 14:06:36,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (30 of 65 remaining) [2024-11-10 14:06:36,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (29 of 65 remaining) [2024-11-10 14:06:36,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (28 of 65 remaining) [2024-11-10 14:06:36,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (27 of 65 remaining) [2024-11-10 14:06:36,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 65 remaining) [2024-11-10 14:06:36,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (25 of 65 remaining) [2024-11-10 14:06:36,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (24 of 65 remaining) [2024-11-10 14:06:36,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (23 of 65 remaining) [2024-11-10 14:06:36,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (22 of 65 remaining) [2024-11-10 14:06:36,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (21 of 65 remaining) [2024-11-10 14:06:36,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 65 remaining) [2024-11-10 14:06:36,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (19 of 65 remaining) [2024-11-10 14:06:36,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (18 of 65 remaining) [2024-11-10 14:06:36,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 65 remaining) [2024-11-10 14:06:36,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (16 of 65 remaining) [2024-11-10 14:06:36,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (15 of 65 remaining) [2024-11-10 14:06:36,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (14 of 65 remaining) [2024-11-10 14:06:36,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (13 of 65 remaining) [2024-11-10 14:06:36,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 65 remaining) [2024-11-10 14:06:36,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (11 of 65 remaining) [2024-11-10 14:06:36,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (10 of 65 remaining) [2024-11-10 14:06:36,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 65 remaining) [2024-11-10 14:06:36,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 65 remaining) [2024-11-10 14:06:36,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (7 of 65 remaining) [2024-11-10 14:06:36,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 65 remaining) [2024-11-10 14:06:36,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (5 of 65 remaining) [2024-11-10 14:06:36,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (4 of 65 remaining) [2024-11-10 14:06:36,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (3 of 65 remaining) [2024-11-10 14:06:36,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 65 remaining) [2024-11-10 14:06:36,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 65 remaining) [2024-11-10 14:06:36,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 65 remaining) [2024-11-10 14:06:36,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:06:36,537 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:36,537 WARN L244 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 14:06:36,537 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-10 14:06:36,572 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:06:36,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 449 places, 489 transitions, 1006 flow [2024-11-10 14:06:36,625 INFO L124 PetriNetUnfolderBase]: 53/535 cut-off events. [2024-11-10 14:06:36,626 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-10 14:06:36,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 535 events. 53/535 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2446 event pairs, 0 based on Foata normal form. 0/413 useless extension candidates. Maximal degree in co-relation 472. Up to 10 conditions per place. [2024-11-10 14:06:36,634 INFO L82 GeneralOperation]: Start removeDead. Operand has 449 places, 489 transitions, 1006 flow [2024-11-10 14:06:36,639 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 449 places, 489 transitions, 1006 flow [2024-11-10 14:06:36,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:06:36,640 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;@2a96c398, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:06:36,640 INFO L334 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2024-11-10 14:06:36,641 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:06:36,642 INFO L124 PetriNetUnfolderBase]: 1/26 cut-off events. [2024-11-10 14:06:36,642 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:06:36,642 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:36,642 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:36,642 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:06:36,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:36,642 INFO L85 PathProgramCache]: Analyzing trace with hash -147242969, now seen corresponding path program 1 times [2024-11-10 14:06:36,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:36,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446313940] [2024-11-10 14:06:36,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:36,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:36,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:36,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446313940] [2024-11-10 14:06:36,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446313940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:36,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:36,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:06:36,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369732163] [2024-11-10 14:06:36,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:36,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:06:36,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:36,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:06:36,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:06:36,657 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 375 out of 489 [2024-11-10 14:06:36,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 489 transitions, 1006 flow. Second operand has 2 states, 2 states have (on average 376.0) internal successors, (752), 2 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:36,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:36,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 375 of 489 [2024-11-10 14:06:36,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:40,581 INFO L124 PetriNetUnfolderBase]: 4560/30964 cut-off events. [2024-11-10 14:06:40,581 INFO L125 PetriNetUnfolderBase]: For 2401/2401 co-relation queries the response was YES. [2024-11-10 14:06:40,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37398 conditions, 30964 events. 4560/30964 cut-off events. For 2401/2401 co-relation queries the response was YES. Maximal size of possible extension queue 768. Compared 448916 event pairs, 3630 based on Foata normal form. 11139/37864 useless extension candidates. Maximal degree in co-relation 30148. Up to 5185 conditions per place. [2024-11-10 14:06:40,904 INFO L140 encePairwiseOnDemand]: 411/489 looper letters, 24 selfloop transitions, 0 changer transitions 0/380 dead transitions. [2024-11-10 14:06:40,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 380 transitions, 836 flow [2024-11-10 14:06:40,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:06:40,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:06:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 852 transitions. [2024-11-10 14:06:40,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8711656441717791 [2024-11-10 14:06:40,908 INFO L175 Difference]: Start difference. First operand has 449 places, 489 transitions, 1006 flow. Second operand 2 states and 852 transitions. [2024-11-10 14:06:40,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 380 transitions, 836 flow [2024-11-10 14:06:40,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 380 transitions, 830 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:40,912 INFO L231 Difference]: Finished difference. Result has 378 places, 380 transitions, 782 flow [2024-11-10 14:06:40,912 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=782, PETRI_PLACES=378, PETRI_TRANSITIONS=380} [2024-11-10 14:06:40,913 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -71 predicate places. [2024-11-10 14:06:40,913 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 380 transitions, 782 flow [2024-11-10 14:06:40,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 376.0) internal successors, (752), 2 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:40,914 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:40,914 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] [2024-11-10 14:06:40,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:06:40,914 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err13ASSERT_VIOLATIONDATA_RACE === [thr1Err15ASSERT_VIOLATIONDATA_RACE, thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-10 14:06:40,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:40,914 INFO L85 PathProgramCache]: Analyzing trace with hash 233487755, now seen corresponding path program 1 times [2024-11-10 14:06:40,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:40,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314001861] [2024-11-10 14:06:40,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:40,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:40,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:40,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:40,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314001861] [2024-11-10 14:06:40,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314001861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:40,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:40,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:06:40,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422637032] [2024-11-10 14:06:40,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:40,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:06:40,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:40,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:06:40,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:06:40,956 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 359 out of 489 [2024-11-10 14:06:40,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 380 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 360.3333333333333) internal successors, (1081), 3 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:40,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:40,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 359 of 489 [2024-11-10 14:06:40,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand