./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:55:29,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:55:29,761 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:55:29,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:55:29,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:55:29,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:55:29,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:55:29,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:55:29,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:55:29,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:55:29,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:55:29,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:55:29,865 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:55:29,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:55:29,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:55:29,868 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:55:29,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:55:29,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:55:29,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:55:29,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:55:29,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:55:29,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:55:29,896 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:55:29,896 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:55:29,896 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:55:29,896 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:55:29,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:55:29,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:55:29,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:55:29,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:55:29,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:55:29,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:55:29,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:55:29,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:55:29,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:55:29,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:55:29,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:55:29,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:55:29,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:55:29,916 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:55:29,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:55:29,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 [2024-11-22 17:55:30,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:55:30,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:55:30,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:55:30,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:55:30,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:55:30,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2024-11-22 17:55:31,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:55:31,925 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:55:31,926 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2024-11-22 17:55:31,937 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d23b47a/8069f5111181401f81e58f8d269c3bbc/FLAGbaf8052ab [2024-11-22 17:55:31,952 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d23b47a/8069f5111181401f81e58f8d269c3bbc [2024-11-22 17:55:31,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:55:31,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:55:31,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:55:31,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:55:31,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:55:31,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:55:31" (1/1) ... [2024-11-22 17:55:31,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d66ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:31, skipping insertion in model container [2024-11-22 17:55:31,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:55:31" (1/1) ... [2024-11-22 17:55:31,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:55:32,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:55:32,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:55:32,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:55:32,253 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:55:32,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32 WrapperNode [2024-11-22 17:55:32,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:55:32,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:55:32,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:55:32,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:55:32,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32" (1/1) ... [2024-11-22 17:55:32,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32" (1/1) ... [2024-11-22 17:55:32,321 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-11-22 17:55:32,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:55:32,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:55:32,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:55:32,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:55:32,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32" (1/1) ... [2024-11-22 17:55:32,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32" (1/1) ... [2024-11-22 17:55:32,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32" (1/1) ... [2024-11-22 17:55:32,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32" (1/1) ... [2024-11-22 17:55:32,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32" (1/1) ... [2024-11-22 17:55:32,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32" (1/1) ... [2024-11-22 17:55:32,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32" (1/1) ... [2024-11-22 17:55:32,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32" (1/1) ... [2024-11-22 17:55:32,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:55:32,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:55:32,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:55:32,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:55:32,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32" (1/1) ... [2024-11-22 17:55:32,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:55:32,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:55:32,458 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) [2024-11-22 17:55:32,460 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 [2024-11-22 17:55:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:55:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-22 17:55:32,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-22 17:55:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-22 17:55:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-22 17:55:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-22 17:55:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-22 17:55:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-22 17:55:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-22 17:55:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:55:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:55:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:55:32,526 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:55:32,641 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:55:32,643 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:55:33,177 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:55:33,177 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:55:33,208 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:55:33,208 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-22 17:55:33,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:55:33 BoogieIcfgContainer [2024-11-22 17:55:33,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:55:33,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:55:33,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:55:33,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:55:33,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:55:31" (1/3) ... [2024-11-22 17:55:33,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@957c1ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:55:33, skipping insertion in model container [2024-11-22 17:55:33,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:32" (2/3) ... [2024-11-22 17:55:33,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@957c1ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:55:33, skipping insertion in model container [2024-11-22 17:55:33,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:55:33" (3/3) ... [2024-11-22 17:55:33,217 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2024-11-22 17:55:33,231 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:55:33,232 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 107 error locations. [2024-11-22 17:55:33,232 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:55:33,379 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-22 17:55:33,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 546 places, 547 transitions, 1122 flow [2024-11-22 17:55:33,622 INFO L124 PetriNetUnfolderBase]: 14/543 cut-off events. [2024-11-22 17:55:33,623 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:55:33,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 543 events. 14/543 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1774 event pairs, 0 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 413. Up to 2 conditions per place. [2024-11-22 17:55:33,646 INFO L82 GeneralOperation]: Start removeDead. Operand has 546 places, 547 transitions, 1122 flow [2024-11-22 17:55:33,661 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 524 places, 523 transitions, 1070 flow [2024-11-22 17:55:33,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:55:33,680 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;@5578fd5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:55:33,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 203 error locations. [2024-11-22 17:55:33,683 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:55:33,683 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-22 17:55:33,683 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:55:33,684 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:33,684 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] [2024-11-22 17:55:33,685 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:33,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:33,689 INFO L85 PathProgramCache]: Analyzing trace with hash 797117796, now seen corresponding path program 1 times [2024-11-22 17:55:33,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:33,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611407721] [2024-11-22 17:55:33,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:33,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:33,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:33,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611407721] [2024-11-22 17:55:33,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611407721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:33,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:33,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:33,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28964240] [2024-11-22 17:55:33,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:33,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:33,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:33,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:33,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:34,026 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 547 [2024-11-22 17:55:34,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 523 transitions, 1070 flow. Second operand has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 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) [2024-11-22 17:55:34,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:34,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 547 [2024-11-22 17:55:34,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:34,285 INFO L124 PetriNetUnfolderBase]: 76/868 cut-off events. [2024-11-22 17:55:34,285 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-11-22 17:55:34,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 868 events. 76/868 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4827 event pairs, 66 based on Foata normal form. 145/825 useless extension candidates. Maximal degree in co-relation 1049. Up to 172 conditions per place. [2024-11-22 17:55:34,317 INFO L140 encePairwiseOnDemand]: 539/547 looper letters, 36 selfloop transitions, 2 changer transitions 1/517 dead transitions. [2024-11-22 17:55:34,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 517 transitions, 1134 flow [2024-11-22 17:55:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:34,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1544 transitions. [2024-11-22 17:55:34,340 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9408897014015845 [2024-11-22 17:55:34,342 INFO L175 Difference]: Start difference. First operand has 524 places, 523 transitions, 1070 flow. Second operand 3 states and 1544 transitions. [2024-11-22 17:55:34,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 517 transitions, 1134 flow [2024-11-22 17:55:34,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 517 transitions, 1118 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-22 17:55:34,362 INFO L231 Difference]: Finished difference. Result has 517 places, 516 transitions, 1044 flow [2024-11-22 17:55:34,366 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1044, PETRI_PLACES=517, PETRI_TRANSITIONS=516} [2024-11-22 17:55:34,372 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -7 predicate places. [2024-11-22 17:55:34,372 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 516 transitions, 1044 flow [2024-11-22 17:55:34,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 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) [2024-11-22 17:55:34,374 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:34,374 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] [2024-11-22 17:55:34,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:55:34,375 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:34,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:34,376 INFO L85 PathProgramCache]: Analyzing trace with hash 186028461, now seen corresponding path program 1 times [2024-11-22 17:55:34,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:34,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146498322] [2024-11-22 17:55:34,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:34,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:34,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:34,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:34,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146498322] [2024-11-22 17:55:34,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146498322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:34,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:34,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:34,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591697596] [2024-11-22 17:55:34,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:34,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:34,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:34,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:34,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:34,544 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 547 [2024-11-22 17:55:34,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 516 transitions, 1044 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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) [2024-11-22 17:55:34,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:34,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 547 [2024-11-22 17:55:34,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:34,725 INFO L124 PetriNetUnfolderBase]: 76/866 cut-off events. [2024-11-22 17:55:34,725 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-22 17:55:34,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 866 events. 76/866 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4855 event pairs, 66 based on Foata normal form. 0/680 useless extension candidates. Maximal degree in co-relation 1061. Up to 171 conditions per place. [2024-11-22 17:55:34,759 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 35 selfloop transitions, 2 changer transitions 0/515 dead transitions. [2024-11-22 17:55:34,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 515 transitions, 1116 flow [2024-11-22 17:55:34,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:34,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:34,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1541 transitions. [2024-11-22 17:55:34,763 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390615478366849 [2024-11-22 17:55:34,763 INFO L175 Difference]: Start difference. First operand has 517 places, 516 transitions, 1044 flow. Second operand 3 states and 1541 transitions. [2024-11-22 17:55:34,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 515 transitions, 1116 flow [2024-11-22 17:55:34,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 515 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:34,778 INFO L231 Difference]: Finished difference. Result has 515 places, 515 transitions, 1042 flow [2024-11-22 17:55:34,779 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1042, PETRI_PLACES=515, PETRI_TRANSITIONS=515} [2024-11-22 17:55:34,780 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -9 predicate places. [2024-11-22 17:55:34,780 INFO L471 AbstractCegarLoop]: Abstraction has has 515 places, 515 transitions, 1042 flow [2024-11-22 17:55:34,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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) [2024-11-22 17:55:34,782 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:34,782 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] [2024-11-22 17:55:34,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:55:34,782 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:34,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:34,783 INFO L85 PathProgramCache]: Analyzing trace with hash 912243120, now seen corresponding path program 1 times [2024-11-22 17:55:34,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:34,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114571138] [2024-11-22 17:55:34,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:34,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:34,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:34,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:34,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114571138] [2024-11-22 17:55:34,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114571138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:34,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:34,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:34,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563171859] [2024-11-22 17:55:34,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:34,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:34,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:34,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:34,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:35,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 547 [2024-11-22 17:55:35,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 515 transitions, 1042 flow. Second operand has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 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) [2024-11-22 17:55:35,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:35,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 547 [2024-11-22 17:55:35,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:35,267 INFO L124 PetriNetUnfolderBase]: 76/793 cut-off events. [2024-11-22 17:55:35,268 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-22 17:55:35,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 997 conditions, 793 events. 76/793 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4246 event pairs, 66 based on Foata normal form. 0/633 useless extension candidates. Maximal degree in co-relation 960. Up to 172 conditions per place. [2024-11-22 17:55:35,285 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/514 dead transitions. [2024-11-22 17:55:35,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 514 transitions, 1116 flow [2024-11-22 17:55:35,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:35,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:35,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1539 transitions. [2024-11-22 17:55:35,289 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9378427787934186 [2024-11-22 17:55:35,289 INFO L175 Difference]: Start difference. First operand has 515 places, 515 transitions, 1042 flow. Second operand 3 states and 1539 transitions. [2024-11-22 17:55:35,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 514 transitions, 1116 flow [2024-11-22 17:55:35,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 514 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:35,295 INFO L231 Difference]: Finished difference. Result has 514 places, 514 transitions, 1040 flow [2024-11-22 17:55:35,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=512, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1040, PETRI_PLACES=514, PETRI_TRANSITIONS=514} [2024-11-22 17:55:35,298 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -10 predicate places. [2024-11-22 17:55:35,298 INFO L471 AbstractCegarLoop]: Abstraction has has 514 places, 514 transitions, 1040 flow [2024-11-22 17:55:35,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 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) [2024-11-22 17:55:35,299 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:35,299 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:35,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:55:35,300 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:35,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:35,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1256833865, now seen corresponding path program 1 times [2024-11-22 17:55:35,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:35,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742905723] [2024-11-22 17:55:35,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:35,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:35,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:35,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:35,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742905723] [2024-11-22 17:55:35,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742905723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:35,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:35,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:35,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561457024] [2024-11-22 17:55:35,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:35,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:35,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:35,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:35,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:35,643 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 547 [2024-11-22 17:55:35,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 514 transitions, 1040 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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) [2024-11-22 17:55:35,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:35,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 547 [2024-11-22 17:55:35,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:35,924 INFO L124 PetriNetUnfolderBase]: 76/720 cut-off events. [2024-11-22 17:55:35,924 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-22 17:55:35,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 901 conditions, 720 events. 76/720 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3578 event pairs, 66 based on Foata normal form. 0/586 useless extension candidates. Maximal degree in co-relation 857. Up to 171 conditions per place. [2024-11-22 17:55:35,942 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 35 selfloop transitions, 2 changer transitions 0/513 dead transitions. [2024-11-22 17:55:35,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 513 transitions, 1112 flow [2024-11-22 17:55:35,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:35,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:35,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1541 transitions. [2024-11-22 17:55:35,945 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390615478366849 [2024-11-22 17:55:35,945 INFO L175 Difference]: Start difference. First operand has 514 places, 514 transitions, 1040 flow. Second operand 3 states and 1541 transitions. [2024-11-22 17:55:35,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 513 transitions, 1112 flow [2024-11-22 17:55:35,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 513 transitions, 1108 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:35,952 INFO L231 Difference]: Finished difference. Result has 513 places, 513 transitions, 1038 flow [2024-11-22 17:55:35,953 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=513, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1038, PETRI_PLACES=513, PETRI_TRANSITIONS=513} [2024-11-22 17:55:35,954 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -11 predicate places. [2024-11-22 17:55:35,954 INFO L471 AbstractCegarLoop]: Abstraction has has 513 places, 513 transitions, 1038 flow [2024-11-22 17:55:35,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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) [2024-11-22 17:55:35,955 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:35,955 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:35,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:55:35,956 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:35,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:35,956 INFO L85 PathProgramCache]: Analyzing trace with hash 19328405, now seen corresponding path program 1 times [2024-11-22 17:55:35,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:35,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134673794] [2024-11-22 17:55:35,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:35,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:35,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:35,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:35,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134673794] [2024-11-22 17:55:35,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134673794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:35,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:35,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:35,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312865657] [2024-11-22 17:55:35,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:35,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:35,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:35,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:35,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:36,006 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 521 out of 547 [2024-11-22 17:55:36,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 513 transitions, 1038 flow. Second operand has 3 states, 3 states have (on average 522.3333333333334) internal successors, (1567), 3 states have internal predecessors, (1567), 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) [2024-11-22 17:55:36,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:36,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 521 of 547 [2024-11-22 17:55:36,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:36,521 INFO L124 PetriNetUnfolderBase]: 102/3430 cut-off events. [2024-11-22 17:55:36,522 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-22 17:55:36,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3595 conditions, 3430 events. 102/3430 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 31084 event pairs, 51 based on Foata normal form. 0/2582 useless extension candidates. Maximal degree in co-relation 3544. Up to 144 conditions per place. [2024-11-22 17:55:36,568 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 15 selfloop transitions, 2 changer transitions 0/512 dead transitions. [2024-11-22 17:55:36,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 512 transitions, 1070 flow [2024-11-22 17:55:36,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1581 transitions. [2024-11-22 17:55:36,570 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9634369287020109 [2024-11-22 17:55:36,571 INFO L175 Difference]: Start difference. First operand has 513 places, 513 transitions, 1038 flow. Second operand 3 states and 1581 transitions. [2024-11-22 17:55:36,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 512 transitions, 1070 flow [2024-11-22 17:55:36,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 512 transitions, 1066 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:36,576 INFO L231 Difference]: Finished difference. Result has 512 places, 512 transitions, 1036 flow [2024-11-22 17:55:36,577 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1036, PETRI_PLACES=512, PETRI_TRANSITIONS=512} [2024-11-22 17:55:36,577 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -12 predicate places. [2024-11-22 17:55:36,577 INFO L471 AbstractCegarLoop]: Abstraction has has 512 places, 512 transitions, 1036 flow [2024-11-22 17:55:36,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 522.3333333333334) internal successors, (1567), 3 states have internal predecessors, (1567), 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) [2024-11-22 17:55:36,578 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:36,578 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:36,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:55:36,579 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:36,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:36,579 INFO L85 PathProgramCache]: Analyzing trace with hash 333175722, now seen corresponding path program 1 times [2024-11-22 17:55:36,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:36,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496920610] [2024-11-22 17:55:36,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:36,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:36,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:36,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:36,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496920610] [2024-11-22 17:55:36,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496920610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:36,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:36,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:36,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127783597] [2024-11-22 17:55:36,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:36,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:36,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:36,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:36,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:36,696 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 470 out of 547 [2024-11-22 17:55:36,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 512 transitions, 1036 flow. Second operand has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 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) [2024-11-22 17:55:36,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:36,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 470 of 547 [2024-11-22 17:55:36,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:36,864 INFO L124 PetriNetUnfolderBase]: 121/846 cut-off events. [2024-11-22 17:55:36,865 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:55:36,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 846 events. 121/846 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4948 event pairs, 90 based on Foata normal form. 0/723 useless extension candidates. Maximal degree in co-relation 1186. Up to 228 conditions per place. [2024-11-22 17:55:36,877 INFO L140 encePairwiseOnDemand]: 514/547 looper letters, 41 selfloop transitions, 15 changer transitions 0/498 dead transitions. [2024-11-22 17:55:36,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 498 transitions, 1123 flow [2024-11-22 17:55:36,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:36,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1484 transitions. [2024-11-22 17:55:36,879 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9043266301035954 [2024-11-22 17:55:36,880 INFO L175 Difference]: Start difference. First operand has 512 places, 512 transitions, 1036 flow. Second operand 3 states and 1484 transitions. [2024-11-22 17:55:36,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 498 transitions, 1123 flow [2024-11-22 17:55:36,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 498 transitions, 1119 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:36,887 INFO L231 Difference]: Finished difference. Result has 495 places, 495 transitions, 1045 flow [2024-11-22 17:55:36,887 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=495, PETRI_TRANSITIONS=495} [2024-11-22 17:55:36,888 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -29 predicate places. [2024-11-22 17:55:36,888 INFO L471 AbstractCegarLoop]: Abstraction has has 495 places, 495 transitions, 1045 flow [2024-11-22 17:55:36,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 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) [2024-11-22 17:55:36,889 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:36,889 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:36,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:55:36,889 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:36,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:36,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1940640843, now seen corresponding path program 1 times [2024-11-22 17:55:36,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:36,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628522006] [2024-11-22 17:55:36,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:36,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:36,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:36,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628522006] [2024-11-22 17:55:36,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628522006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:36,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:36,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:36,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263792718] [2024-11-22 17:55:36,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:36,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:36,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:36,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:36,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:36,996 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 473 out of 547 [2024-11-22 17:55:36,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 495 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 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) [2024-11-22 17:55:36,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:36,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 473 of 547 [2024-11-22 17:55:36,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:37,153 INFO L124 PetriNetUnfolderBase]: 121/830 cut-off events. [2024-11-22 17:55:37,153 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-11-22 17:55:37,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 830 events. 121/830 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4984 event pairs, 90 based on Foata normal form. 0/725 useless extension candidates. Maximal degree in co-relation 1066. Up to 226 conditions per place. [2024-11-22 17:55:37,192 INFO L140 encePairwiseOnDemand]: 515/547 looper letters, 39 selfloop transitions, 15 changer transitions 0/482 dead transitions. [2024-11-22 17:55:37,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 482 transitions, 1130 flow [2024-11-22 17:55:37,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:37,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1490 transitions. [2024-11-22 17:55:37,195 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9079829372333943 [2024-11-22 17:55:37,195 INFO L175 Difference]: Start difference. First operand has 495 places, 495 transitions, 1045 flow. Second operand 3 states and 1490 transitions. [2024-11-22 17:55:37,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 482 transitions, 1130 flow [2024-11-22 17:55:37,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 482 transitions, 1115 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:55:37,201 INFO L231 Difference]: Finished difference. Result has 480 places, 479 transitions, 1045 flow [2024-11-22 17:55:37,202 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=480, PETRI_TRANSITIONS=479} [2024-11-22 17:55:37,202 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -44 predicate places. [2024-11-22 17:55:37,203 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 479 transitions, 1045 flow [2024-11-22 17:55:37,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 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) [2024-11-22 17:55:37,204 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:37,204 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:37,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:55:37,204 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:37,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:37,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1954910513, now seen corresponding path program 1 times [2024-11-22 17:55:37,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:37,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568456038] [2024-11-22 17:55:37,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:37,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:37,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:37,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:37,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568456038] [2024-11-22 17:55:37,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568456038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:37,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:37,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:37,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720975227] [2024-11-22 17:55:37,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:37,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:37,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:37,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:37,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:37,319 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 470 out of 547 [2024-11-22 17:55:37,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 479 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 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) [2024-11-22 17:55:37,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:37,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 470 of 547 [2024-11-22 17:55:37,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:37,560 INFO L124 PetriNetUnfolderBase]: 128/1092 cut-off events. [2024-11-22 17:55:37,560 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES. [2024-11-22 17:55:37,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1092 events. 128/1092 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6933 event pairs, 21 based on Foata normal form. 0/973 useless extension candidates. Maximal degree in co-relation 1271. Up to 232 conditions per place. [2024-11-22 17:55:37,583 INFO L140 encePairwiseOnDemand]: 513/547 looper letters, 44 selfloop transitions, 16 changer transitions 0/469 dead transitions. [2024-11-22 17:55:37,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 469 transitions, 1151 flow [2024-11-22 17:55:37,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:37,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:37,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1488 transitions. [2024-11-22 17:55:37,586 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.906764168190128 [2024-11-22 17:55:37,586 INFO L175 Difference]: Start difference. First operand has 480 places, 479 transitions, 1045 flow. Second operand 3 states and 1488 transitions. [2024-11-22 17:55:37,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 469 transitions, 1151 flow [2024-11-22 17:55:37,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 469 transitions, 1136 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:55:37,595 INFO L231 Difference]: Finished difference. Result has 464 places, 463 transitions, 1050 flow [2024-11-22 17:55:37,596 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=994, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1050, PETRI_PLACES=464, PETRI_TRANSITIONS=463} [2024-11-22 17:55:37,596 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -60 predicate places. [2024-11-22 17:55:37,596 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 463 transitions, 1050 flow [2024-11-22 17:55:37,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 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) [2024-11-22 17:55:37,598 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:37,598 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:37,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:55:37,598 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:37,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:37,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1768258167, now seen corresponding path program 1 times [2024-11-22 17:55:37,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:37,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610036038] [2024-11-22 17:55:37,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:37,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:37,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:37,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610036038] [2024-11-22 17:55:37,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610036038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:37,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:37,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 17:55:37,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116177007] [2024-11-22 17:55:37,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:37,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 17:55:37,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:37,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 17:55:37,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 17:55:37,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 520 out of 547 [2024-11-22 17:55:37,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 463 transitions, 1050 flow. Second operand has 4 states, 4 states have (on average 521.25) internal successors, (2085), 4 states have internal predecessors, (2085), 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) [2024-11-22 17:55:37,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:37,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 520 of 547 [2024-11-22 17:55:37,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:37,787 INFO L124 PetriNetUnfolderBase]: 12/791 cut-off events. [2024-11-22 17:55:37,787 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-22 17:55:37,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 791 events. 12/791 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3610 event pairs, 0 based on Foata normal form. 0/692 useless extension candidates. Maximal degree in co-relation 657. Up to 26 conditions per place. [2024-11-22 17:55:37,795 INFO L140 encePairwiseOnDemand]: 541/547 looper letters, 19 selfloop transitions, 5 changer transitions 0/468 dead transitions. [2024-11-22 17:55:37,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 468 transitions, 1108 flow [2024-11-22 17:55:37,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 17:55:37,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 17:55:37,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2625 transitions. [2024-11-22 17:55:37,799 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9597806215722121 [2024-11-22 17:55:37,799 INFO L175 Difference]: Start difference. First operand has 464 places, 463 transitions, 1050 flow. Second operand 5 states and 2625 transitions. [2024-11-22 17:55:37,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 468 transitions, 1108 flow [2024-11-22 17:55:37,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 468 transitions, 1092 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:55:37,806 INFO L231 Difference]: Finished difference. Result has 471 places, 467 transitions, 1072 flow [2024-11-22 17:55:37,807 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1072, PETRI_PLACES=471, PETRI_TRANSITIONS=467} [2024-11-22 17:55:37,807 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -53 predicate places. [2024-11-22 17:55:37,807 INFO L471 AbstractCegarLoop]: Abstraction has has 471 places, 467 transitions, 1072 flow [2024-11-22 17:55:37,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 521.25) internal successors, (2085), 4 states have internal predecessors, (2085), 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) [2024-11-22 17:55:37,808 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:37,808 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:37,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:55:37,809 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:37,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:37,809 INFO L85 PathProgramCache]: Analyzing trace with hash -201026761, now seen corresponding path program 1 times [2024-11-22 17:55:37,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:37,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720829812] [2024-11-22 17:55:37,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:37,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:37,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:37,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720829812] [2024-11-22 17:55:37,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720829812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:37,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:37,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:37,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641093906] [2024-11-22 17:55:37,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:37,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:37,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:37,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:37,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:37,924 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 473 out of 547 [2024-11-22 17:55:37,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 467 transitions, 1072 flow. Second operand has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 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) [2024-11-22 17:55:37,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:37,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 473 of 547 [2024-11-22 17:55:37,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:38,233 INFO L124 PetriNetUnfolderBase]: 208/1557 cut-off events. [2024-11-22 17:55:38,234 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2024-11-22 17:55:38,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 1557 events. 208/1557 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 11586 event pairs, 35 based on Foata normal form. 1/1441 useless extension candidates. Maximal degree in co-relation 1733. Up to 380 conditions per place. [2024-11-22 17:55:38,260 INFO L140 encePairwiseOnDemand]: 515/547 looper letters, 40 selfloop transitions, 15 changer transitions 10/458 dead transitions. [2024-11-22 17:55:38,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 458 transitions, 1175 flow [2024-11-22 17:55:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:38,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:38,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1493 transitions. [2024-11-22 17:55:38,263 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9098110907982937 [2024-11-22 17:55:38,263 INFO L175 Difference]: Start difference. First operand has 471 places, 467 transitions, 1072 flow. Second operand 3 states and 1493 transitions. [2024-11-22 17:55:38,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 458 transitions, 1175 flow [2024-11-22 17:55:38,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 458 transitions, 1175 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:55:38,271 INFO L231 Difference]: Finished difference. Result has 457 places, 441 transitions, 1066 flow [2024-11-22 17:55:38,271 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1066, PETRI_PLACES=457, PETRI_TRANSITIONS=441} [2024-11-22 17:55:38,271 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -67 predicate places. [2024-11-22 17:55:38,272 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 441 transitions, 1066 flow [2024-11-22 17:55:38,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 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) [2024-11-22 17:55:38,273 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:38,273 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:38,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:55:38,273 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:38,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:38,273 INFO L85 PathProgramCache]: Analyzing trace with hash -2059482231, now seen corresponding path program 1 times [2024-11-22 17:55:38,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:38,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161438413] [2024-11-22 17:55:38,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:38,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:38,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:38,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:38,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161438413] [2024-11-22 17:55:38,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161438413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:38,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:38,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:38,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942359656] [2024-11-22 17:55:38,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:38,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:38,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:38,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:38,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:38,325 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 519 out of 547 [2024-11-22 17:55:38,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 441 transitions, 1066 flow. Second operand has 3 states, 3 states have (on average 520.3333333333334) internal successors, (1561), 3 states have internal predecessors, (1561), 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) [2024-11-22 17:55:38,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:38,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 519 of 547 [2024-11-22 17:55:38,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:40,401 INFO L124 PetriNetUnfolderBase]: 751/14488 cut-off events. [2024-11-22 17:55:40,401 INFO L125 PetriNetUnfolderBase]: For 439/439 co-relation queries the response was YES. [2024-11-22 17:55:40,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18474 conditions, 14488 events. 751/14488 cut-off events. For 439/439 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 189683 event pairs, 349 based on Foata normal form. 0/12919 useless extension candidates. Maximal degree in co-relation 14026. Up to 1015 conditions per place. [2024-11-22 17:55:40,536 INFO L140 encePairwiseOnDemand]: 539/547 looper letters, 19 selfloop transitions, 4 changer transitions 0/444 dead transitions. [2024-11-22 17:55:40,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 444 transitions, 1121 flow [2024-11-22 17:55:40,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:40,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:40,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1584 transitions. [2024-11-22 17:55:40,554 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9652650822669104 [2024-11-22 17:55:40,554 INFO L175 Difference]: Start difference. First operand has 457 places, 441 transitions, 1066 flow. Second operand 3 states and 1584 transitions. [2024-11-22 17:55:40,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 444 transitions, 1121 flow [2024-11-22 17:55:40,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 444 transitions, 1106 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:55:40,609 INFO L231 Difference]: Finished difference. Result has 445 places, 441 transitions, 1071 flow [2024-11-22 17:55:40,609 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1071, PETRI_PLACES=445, PETRI_TRANSITIONS=441} [2024-11-22 17:55:40,612 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -79 predicate places. [2024-11-22 17:55:40,612 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 441 transitions, 1071 flow [2024-11-22 17:55:40,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 520.3333333333334) internal successors, (1561), 3 states have internal predecessors, (1561), 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) [2024-11-22 17:55:40,613 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:40,613 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:40,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 17:55:40,613 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:40,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:40,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1247581148, now seen corresponding path program 1 times [2024-11-22 17:55:40,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:40,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668399637] [2024-11-22 17:55:40,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:40,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:40,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:40,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668399637] [2024-11-22 17:55:40,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668399637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:40,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:40,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:40,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466639279] [2024-11-22 17:55:40,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:40,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:40,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:40,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:40,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:40,802 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:55:40,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 441 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 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) [2024-11-22 17:55:40,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:40,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:55:40,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:41,697 INFO L124 PetriNetUnfolderBase]: 365/4355 cut-off events. [2024-11-22 17:55:41,697 INFO L125 PetriNetUnfolderBase]: For 167/179 co-relation queries the response was YES. [2024-11-22 17:55:41,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6095 conditions, 4355 events. 365/4355 cut-off events. For 167/179 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 42937 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 4185. Up to 528 conditions per place. [2024-11-22 17:55:41,741 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2024-11-22 17:55:41,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 443 transitions, 1156 flow [2024-11-22 17:55:41,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:41,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:55:41,744 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:55:41,744 INFO L175 Difference]: Start difference. First operand has 445 places, 441 transitions, 1071 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:55:41,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 443 transitions, 1156 flow [2024-11-22 17:55:41,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 443 transitions, 1156 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:55:41,750 INFO L231 Difference]: Finished difference. Result has 446 places, 440 transitions, 1073 flow [2024-11-22 17:55:41,751 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1069, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1073, PETRI_PLACES=446, PETRI_TRANSITIONS=440} [2024-11-22 17:55:41,752 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -78 predicate places. [2024-11-22 17:55:41,752 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 440 transitions, 1073 flow [2024-11-22 17:55:41,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 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) [2024-11-22 17:55:41,753 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:41,753 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:41,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:55:41,753 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:41,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:41,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1627907548, now seen corresponding path program 1 times [2024-11-22 17:55:41,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:41,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135102515] [2024-11-22 17:55:41,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:41,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:41,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:41,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135102515] [2024-11-22 17:55:41,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135102515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:41,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:41,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:41,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293181502] [2024-11-22 17:55:41,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:41,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:41,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:41,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:41,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:41,867 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:55:41,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 440 transitions, 1073 flow. Second operand has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 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) [2024-11-22 17:55:41,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:41,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:55:41,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:43,115 INFO L124 PetriNetUnfolderBase]: 692/5707 cut-off events. [2024-11-22 17:55:43,116 INFO L125 PetriNetUnfolderBase]: For 586/594 co-relation queries the response was YES. [2024-11-22 17:55:43,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8572 conditions, 5707 events. 692/5707 cut-off events. For 586/594 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 60458 event pairs, 499 based on Foata normal form. 0/5177 useless extension candidates. Maximal degree in co-relation 8263. Up to 1234 conditions per place. [2024-11-22 17:55:43,189 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/442 dead transitions. [2024-11-22 17:55:43,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 442 transitions, 1156 flow [2024-11-22 17:55:43,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:43,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:43,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:55:43,191 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:55:43,191 INFO L175 Difference]: Start difference. First operand has 446 places, 440 transitions, 1073 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:55:43,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 442 transitions, 1156 flow [2024-11-22 17:55:43,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 442 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:43,198 INFO L231 Difference]: Finished difference. Result has 445 places, 439 transitions, 1071 flow [2024-11-22 17:55:43,199 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1067, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1071, PETRI_PLACES=445, PETRI_TRANSITIONS=439} [2024-11-22 17:55:43,199 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -79 predicate places. [2024-11-22 17:55:43,199 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 439 transitions, 1071 flow [2024-11-22 17:55:43,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 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) [2024-11-22 17:55:43,200 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:43,200 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:43,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 17:55:43,201 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:43,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:43,201 INFO L85 PathProgramCache]: Analyzing trace with hash -425638923, now seen corresponding path program 1 times [2024-11-22 17:55:43,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:43,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247750820] [2024-11-22 17:55:43,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:43,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:43,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:43,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:43,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247750820] [2024-11-22 17:55:43,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247750820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:43,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:43,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:43,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943962437] [2024-11-22 17:55:43,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:43,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:43,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:43,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:43,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:43,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:55:43,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 439 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 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) [2024-11-22 17:55:43,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:43,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:55:43,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:44,026 INFO L124 PetriNetUnfolderBase]: 365/4331 cut-off events. [2024-11-22 17:55:44,026 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-22 17:55:44,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6096 conditions, 4331 events. 365/4331 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 42637 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5064. Up to 528 conditions per place. [2024-11-22 17:55:44,084 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/441 dead transitions. [2024-11-22 17:55:44,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 441 transitions, 1156 flow [2024-11-22 17:55:44,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:44,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:55:44,086 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:55:44,086 INFO L175 Difference]: Start difference. First operand has 445 places, 439 transitions, 1071 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:55:44,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 441 transitions, 1156 flow [2024-11-22 17:55:44,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 441 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:44,093 INFO L231 Difference]: Finished difference. Result has 444 places, 438 transitions, 1069 flow [2024-11-22 17:55:44,094 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1069, PETRI_PLACES=444, PETRI_TRANSITIONS=438} [2024-11-22 17:55:44,094 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -80 predicate places. [2024-11-22 17:55:44,094 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 438 transitions, 1069 flow [2024-11-22 17:55:44,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 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) [2024-11-22 17:55:44,095 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:44,095 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:44,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:55:44,096 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:44,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:44,096 INFO L85 PathProgramCache]: Analyzing trace with hash 610222375, now seen corresponding path program 1 times [2024-11-22 17:55:44,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:44,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873521067] [2024-11-22 17:55:44,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:44,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:44,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:44,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873521067] [2024-11-22 17:55:44,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873521067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:44,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:44,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:44,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732592261] [2024-11-22 17:55:44,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:44,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:44,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:44,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:44,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:44,212 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:55:44,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 438 transitions, 1069 flow. Second operand has 3 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 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) [2024-11-22 17:55:44,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:44,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:55:44,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:44,943 INFO L124 PetriNetUnfolderBase]: 462/4381 cut-off events. [2024-11-22 17:55:44,943 INFO L125 PetriNetUnfolderBase]: For 474/477 co-relation queries the response was YES. [2024-11-22 17:55:45,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6384 conditions, 4381 events. 462/4381 cut-off events. For 474/477 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 43368 event pairs, 314 based on Foata normal form. 0/3978 useless extension candidates. Maximal degree in co-relation 6125. Up to 853 conditions per place. [2024-11-22 17:55:45,025 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/440 dead transitions. [2024-11-22 17:55:45,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 440 transitions, 1156 flow [2024-11-22 17:55:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:55:45,027 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:55:45,027 INFO L175 Difference]: Start difference. First operand has 444 places, 438 transitions, 1069 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:55:45,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 440 transitions, 1156 flow [2024-11-22 17:55:45,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 440 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:45,034 INFO L231 Difference]: Finished difference. Result has 443 places, 437 transitions, 1067 flow [2024-11-22 17:55:45,034 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1063, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1067, PETRI_PLACES=443, PETRI_TRANSITIONS=437} [2024-11-22 17:55:45,035 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -81 predicate places. [2024-11-22 17:55:45,035 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 437 transitions, 1067 flow [2024-11-22 17:55:45,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 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) [2024-11-22 17:55:45,036 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:45,036 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:45,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 17:55:45,036 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:45,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:45,037 INFO L85 PathProgramCache]: Analyzing trace with hash 615909789, now seen corresponding path program 1 times [2024-11-22 17:55:45,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:45,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531116494] [2024-11-22 17:55:45,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:45,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:45,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:45,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:45,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531116494] [2024-11-22 17:55:45,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531116494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:45,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:45,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:45,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092960770] [2024-11-22 17:55:45,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:45,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:45,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:45,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:45,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:45,141 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:55:45,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 437 transitions, 1067 flow. Second operand has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 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) [2024-11-22 17:55:45,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:45,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:55:45,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:46,425 INFO L124 PetriNetUnfolderBase]: 704/5884 cut-off events. [2024-11-22 17:55:46,425 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-22 17:55:46,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8825 conditions, 5884 events. 704/5884 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 62238 event pairs, 499 based on Foata normal form. 0/5374 useless extension candidates. Maximal degree in co-relation 7629. Up to 1234 conditions per place. [2024-11-22 17:55:46,546 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/439 dead transitions. [2024-11-22 17:55:46,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 439 transitions, 1150 flow [2024-11-22 17:55:46,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:46,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:46,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:55:46,549 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:55:46,549 INFO L175 Difference]: Start difference. First operand has 443 places, 437 transitions, 1067 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:55:46,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 439 transitions, 1150 flow [2024-11-22 17:55:46,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 439 transitions, 1146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:46,565 INFO L231 Difference]: Finished difference. Result has 442 places, 436 transitions, 1065 flow [2024-11-22 17:55:46,565 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1061, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1065, PETRI_PLACES=442, PETRI_TRANSITIONS=436} [2024-11-22 17:55:46,566 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -82 predicate places. [2024-11-22 17:55:46,566 INFO L471 AbstractCegarLoop]: Abstraction has has 442 places, 436 transitions, 1065 flow [2024-11-22 17:55:46,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 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) [2024-11-22 17:55:46,567 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:46,567 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:46,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 17:55:46,567 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:46,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:46,568 INFO L85 PathProgramCache]: Analyzing trace with hash 32612688, now seen corresponding path program 1 times [2024-11-22 17:55:46,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:46,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238383738] [2024-11-22 17:55:46,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:46,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:46,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:46,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238383738] [2024-11-22 17:55:46,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238383738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:46,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:46,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:46,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982001911] [2024-11-22 17:55:46,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:46,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:46,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:46,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:46,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:46,729 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:55:46,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 436 transitions, 1065 flow. Second operand has 3 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 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) [2024-11-22 17:55:46,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:46,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:55:46,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:47,645 INFO L124 PetriNetUnfolderBase]: 365/4294 cut-off events. [2024-11-22 17:55:47,646 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-22 17:55:47,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6059 conditions, 4294 events. 365/4294 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 42076 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5171. Up to 528 conditions per place. [2024-11-22 17:55:47,726 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/438 dead transitions. [2024-11-22 17:55:47,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 438 transitions, 1150 flow [2024-11-22 17:55:47,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:47,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:47,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:55:47,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:55:47,735 INFO L175 Difference]: Start difference. First operand has 442 places, 436 transitions, 1065 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:55:47,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 438 transitions, 1150 flow [2024-11-22 17:55:47,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 438 transitions, 1146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:47,751 INFO L231 Difference]: Finished difference. Result has 441 places, 435 transitions, 1063 flow [2024-11-22 17:55:47,754 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1059, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1063, PETRI_PLACES=441, PETRI_TRANSITIONS=435} [2024-11-22 17:55:47,754 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -83 predicate places. [2024-11-22 17:55:47,754 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 435 transitions, 1063 flow [2024-11-22 17:55:47,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 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) [2024-11-22 17:55:47,755 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:47,755 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:47,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 17:55:47,756 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:47,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:47,756 INFO L85 PathProgramCache]: Analyzing trace with hash -275524442, now seen corresponding path program 1 times [2024-11-22 17:55:47,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:47,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446110814] [2024-11-22 17:55:47,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:47,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:47,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:47,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446110814] [2024-11-22 17:55:47,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446110814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:47,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:47,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:47,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58803377] [2024-11-22 17:55:47,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:47,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:47,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:47,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:47,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:48,103 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:55:48,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 435 transitions, 1063 flow. Second operand has 3 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 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) [2024-11-22 17:55:48,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:48,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:55:48,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:48,852 INFO L124 PetriNetUnfolderBase]: 235/3323 cut-off events. [2024-11-22 17:55:48,853 INFO L125 PetriNetUnfolderBase]: For 300/307 co-relation queries the response was YES. [2024-11-22 17:55:48,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4541 conditions, 3323 events. 235/3323 cut-off events. For 300/307 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 30187 event pairs, 129 based on Foata normal form. 1/3029 useless extension candidates. Maximal degree in co-relation 4326. Up to 435 conditions per place. [2024-11-22 17:55:48,912 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/437 dead transitions. [2024-11-22 17:55:48,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 437 transitions, 1146 flow [2024-11-22 17:55:48,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:48,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:48,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:55:48,915 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:55:48,915 INFO L175 Difference]: Start difference. First operand has 441 places, 435 transitions, 1063 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:55:48,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 437 transitions, 1146 flow [2024-11-22 17:55:48,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 437 transitions, 1142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:48,935 INFO L231 Difference]: Finished difference. Result has 440 places, 434 transitions, 1061 flow [2024-11-22 17:55:48,935 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1057, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1061, PETRI_PLACES=440, PETRI_TRANSITIONS=434} [2024-11-22 17:55:48,935 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -84 predicate places. [2024-11-22 17:55:48,936 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 434 transitions, 1061 flow [2024-11-22 17:55:48,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 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) [2024-11-22 17:55:48,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:48,936 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:48,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 17:55:48,937 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:48,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:48,938 INFO L85 PathProgramCache]: Analyzing trace with hash -307166446, now seen corresponding path program 1 times [2024-11-22 17:55:48,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:48,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533668014] [2024-11-22 17:55:48,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:48,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:49,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:49,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533668014] [2024-11-22 17:55:49,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533668014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:49,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:49,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:49,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378126567] [2024-11-22 17:55:49,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:49,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:49,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:49,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:49,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:49,081 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:55:49,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 434 transitions, 1061 flow. Second operand has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 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) [2024-11-22 17:55:49,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:49,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:55:49,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:50,033 INFO L124 PetriNetUnfolderBase]: 462/4321 cut-off events. [2024-11-22 17:55:50,034 INFO L125 PetriNetUnfolderBase]: For 477/480 co-relation queries the response was YES. [2024-11-22 17:55:50,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6336 conditions, 4321 events. 462/4321 cut-off events. For 477/480 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 42521 event pairs, 314 based on Foata normal form. 0/3966 useless extension candidates. Maximal degree in co-relation 5565. Up to 853 conditions per place. [2024-11-22 17:55:50,130 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/436 dead transitions. [2024-11-22 17:55:50,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 436 transitions, 1148 flow [2024-11-22 17:55:50,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:50,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:55:50,132 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:55:50,133 INFO L175 Difference]: Start difference. First operand has 440 places, 434 transitions, 1061 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:55:50,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 436 transitions, 1148 flow [2024-11-22 17:55:50,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 436 transitions, 1144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:50,141 INFO L231 Difference]: Finished difference. Result has 439 places, 433 transitions, 1059 flow [2024-11-22 17:55:50,141 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1055, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1059, PETRI_PLACES=439, PETRI_TRANSITIONS=433} [2024-11-22 17:55:50,142 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -85 predicate places. [2024-11-22 17:55:50,142 INFO L471 AbstractCegarLoop]: Abstraction has has 439 places, 433 transitions, 1059 flow [2024-11-22 17:55:50,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 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) [2024-11-22 17:55:50,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:50,142 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:50,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 17:55:50,143 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:50,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:50,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1012173064, now seen corresponding path program 1 times [2024-11-22 17:55:50,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:50,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915477397] [2024-11-22 17:55:50,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:50,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:50,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:50,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915477397] [2024-11-22 17:55:50,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915477397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:50,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:50,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:50,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373359563] [2024-11-22 17:55:50,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:50,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:50,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:50,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:50,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:50,256 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:55:50,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 433 transitions, 1059 flow. Second operand has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 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) [2024-11-22 17:55:50,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:50,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:55:50,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:51,354 INFO L124 PetriNetUnfolderBase]: 716/6041 cut-off events. [2024-11-22 17:55:51,355 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-22 17:55:51,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9036 conditions, 6041 events. 716/6041 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 63802 event pairs, 499 based on Foata normal form. 0/5569 useless extension candidates. Maximal degree in co-relation 8002. Up to 1234 conditions per place. [2024-11-22 17:55:51,446 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/435 dead transitions. [2024-11-22 17:55:51,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 435 transitions, 1142 flow [2024-11-22 17:55:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:51,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:51,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:55:51,448 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:55:51,448 INFO L175 Difference]: Start difference. First operand has 439 places, 433 transitions, 1059 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:55:51,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 435 transitions, 1142 flow [2024-11-22 17:55:51,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 435 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:51,455 INFO L231 Difference]: Finished difference. Result has 438 places, 432 transitions, 1057 flow [2024-11-22 17:55:51,455 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1057, PETRI_PLACES=438, PETRI_TRANSITIONS=432} [2024-11-22 17:55:51,455 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -86 predicate places. [2024-11-22 17:55:51,455 INFO L471 AbstractCegarLoop]: Abstraction has has 438 places, 432 transitions, 1057 flow [2024-11-22 17:55:51,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 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) [2024-11-22 17:55:51,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:51,456 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:51,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 17:55:51,456 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:51,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:51,456 INFO L85 PathProgramCache]: Analyzing trace with hash -2037640095, now seen corresponding path program 1 times [2024-11-22 17:55:51,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:51,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883249791] [2024-11-22 17:55:51,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:51,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:51,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:51,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883249791] [2024-11-22 17:55:51,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883249791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:51,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:51,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:51,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57979679] [2024-11-22 17:55:51,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:51,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:51,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:51,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:51,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:51,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:55:51,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 432 transitions, 1057 flow. Second operand has 3 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 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) [2024-11-22 17:55:51,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:51,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:55:51,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:52,181 INFO L124 PetriNetUnfolderBase]: 365/4246 cut-off events. [2024-11-22 17:55:52,181 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-22 17:55:52,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6011 conditions, 4246 events. 365/4246 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 41403 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5267. Up to 528 conditions per place. [2024-11-22 17:55:52,252 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2024-11-22 17:55:52,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 434 transitions, 1142 flow [2024-11-22 17:55:52,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:52,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:55:52,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:55:52,254 INFO L175 Difference]: Start difference. First operand has 438 places, 432 transitions, 1057 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:55:52,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 434 transitions, 1142 flow [2024-11-22 17:55:52,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 434 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:52,260 INFO L231 Difference]: Finished difference. Result has 437 places, 431 transitions, 1055 flow [2024-11-22 17:55:52,261 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1051, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1055, PETRI_PLACES=437, PETRI_TRANSITIONS=431} [2024-11-22 17:55:52,261 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -87 predicate places. [2024-11-22 17:55:52,261 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 431 transitions, 1055 flow [2024-11-22 17:55:52,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 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) [2024-11-22 17:55:52,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:52,262 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:52,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 17:55:52,263 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:52,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:52,263 INFO L85 PathProgramCache]: Analyzing trace with hash -417808685, now seen corresponding path program 1 times [2024-11-22 17:55:52,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:52,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820826973] [2024-11-22 17:55:52,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:52,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:52,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:52,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820826973] [2024-11-22 17:55:52,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820826973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:52,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:52,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:52,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993824538] [2024-11-22 17:55:52,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:52,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:52,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:52,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:52,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:52,365 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:55:52,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 431 transitions, 1055 flow. Second operand has 3 states, 3 states have (on average 507.6666666666667) internal successors, (1523), 3 states have internal predecessors, (1523), 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) [2024-11-22 17:55:52,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:52,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:55:52,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:52,881 INFO L124 PetriNetUnfolderBase]: 235/3321 cut-off events. [2024-11-22 17:55:52,881 INFO L125 PetriNetUnfolderBase]: For 300/304 co-relation queries the response was YES. [2024-11-22 17:55:52,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4539 conditions, 3321 events. 235/3321 cut-off events. For 300/304 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 30112 event pairs, 129 based on Foata normal form. 0/3058 useless extension candidates. Maximal degree in co-relation 4360. Up to 435 conditions per place. [2024-11-22 17:55:52,935 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/433 dead transitions. [2024-11-22 17:55:52,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 433 transitions, 1138 flow [2024-11-22 17:55:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:52,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:52,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:55:52,937 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:55:52,937 INFO L175 Difference]: Start difference. First operand has 437 places, 431 transitions, 1055 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:55:52,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 433 transitions, 1138 flow [2024-11-22 17:55:52,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 433 transitions, 1134 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:52,943 INFO L231 Difference]: Finished difference. Result has 436 places, 430 transitions, 1053 flow [2024-11-22 17:55:52,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1053, PETRI_PLACES=436, PETRI_TRANSITIONS=430} [2024-11-22 17:55:52,944 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -88 predicate places. [2024-11-22 17:55:52,944 INFO L471 AbstractCegarLoop]: Abstraction has has 436 places, 430 transitions, 1053 flow [2024-11-22 17:55:52,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.6666666666667) internal successors, (1523), 3 states have internal predecessors, (1523), 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) [2024-11-22 17:55:52,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:52,944 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:52,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 17:55:52,945 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:52,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:52,945 INFO L85 PathProgramCache]: Analyzing trace with hash 250229651, now seen corresponding path program 1 times [2024-11-22 17:55:52,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:52,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442719743] [2024-11-22 17:55:52,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:52,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:52,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:52,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442719743] [2024-11-22 17:55:52,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442719743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:52,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:52,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:52,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359754228] [2024-11-22 17:55:52,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:52,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:52,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:52,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:52,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:53,061 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:55:53,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 430 transitions, 1053 flow. Second operand has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 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) [2024-11-22 17:55:53,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:53,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:55:53,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:53,768 INFO L124 PetriNetUnfolderBase]: 462/4261 cut-off events. [2024-11-22 17:55:53,769 INFO L125 PetriNetUnfolderBase]: For 474/477 co-relation queries the response was YES. [2024-11-22 17:55:53,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6276 conditions, 4261 events. 462/4261 cut-off events. For 474/477 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 41740 event pairs, 314 based on Foata normal form. 0/3954 useless extension candidates. Maximal degree in co-relation 5613. Up to 853 conditions per place. [2024-11-22 17:55:53,846 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/432 dead transitions. [2024-11-22 17:55:53,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 432 transitions, 1140 flow [2024-11-22 17:55:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:53,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:55:53,848 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:55:53,848 INFO L175 Difference]: Start difference. First operand has 436 places, 430 transitions, 1053 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:55:53,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 432 transitions, 1140 flow [2024-11-22 17:55:53,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 432 transitions, 1136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:53,854 INFO L231 Difference]: Finished difference. Result has 435 places, 429 transitions, 1051 flow [2024-11-22 17:55:53,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1051, PETRI_PLACES=435, PETRI_TRANSITIONS=429} [2024-11-22 17:55:53,855 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -89 predicate places. [2024-11-22 17:55:53,855 INFO L471 AbstractCegarLoop]: Abstraction has has 435 places, 429 transitions, 1051 flow [2024-11-22 17:55:53,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 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) [2024-11-22 17:55:53,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:53,856 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:53,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 17:55:53,856 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:53,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:53,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1040307191, now seen corresponding path program 1 times [2024-11-22 17:55:53,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:53,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397182479] [2024-11-22 17:55:53,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:53,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:53,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:53,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397182479] [2024-11-22 17:55:53,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397182479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:53,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:53,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:53,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253748726] [2024-11-22 17:55:53,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:53,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:53,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:53,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:53,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:54,002 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:55:54,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 429 transitions, 1051 flow. Second operand has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 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) [2024-11-22 17:55:54,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:54,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:55:54,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:55,059 INFO L124 PetriNetUnfolderBase]: 728/6192 cut-off events. [2024-11-22 17:55:55,059 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-22 17:55:55,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9241 conditions, 6192 events. 728/6192 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 64819 event pairs, 499 based on Foata normal form. 0/5764 useless extension candidates. Maximal degree in co-relation 8369. Up to 1234 conditions per place. [2024-11-22 17:55:55,132 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/431 dead transitions. [2024-11-22 17:55:55,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 431 transitions, 1134 flow [2024-11-22 17:55:55,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:55,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:55:55,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:55:55,134 INFO L175 Difference]: Start difference. First operand has 435 places, 429 transitions, 1051 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:55:55,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 431 transitions, 1134 flow [2024-11-22 17:55:55,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 431 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:55,140 INFO L231 Difference]: Finished difference. Result has 434 places, 428 transitions, 1049 flow [2024-11-22 17:55:55,141 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1049, PETRI_PLACES=434, PETRI_TRANSITIONS=428} [2024-11-22 17:55:55,141 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -90 predicate places. [2024-11-22 17:55:55,141 INFO L471 AbstractCegarLoop]: Abstraction has has 434 places, 428 transitions, 1049 flow [2024-11-22 17:55:55,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 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) [2024-11-22 17:55:55,141 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:55,141 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:55,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 17:55:55,142 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:55,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:55,142 INFO L85 PathProgramCache]: Analyzing trace with hash 664436348, now seen corresponding path program 1 times [2024-11-22 17:55:55,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:55,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706444314] [2024-11-22 17:55:55,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:55,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:55,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:55,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706444314] [2024-11-22 17:55:55,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706444314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:55,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:55,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:55,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322644768] [2024-11-22 17:55:55,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:55,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:55,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:55,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:55,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:55,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:55:55,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 428 transitions, 1049 flow. Second operand has 3 states, 3 states have (on average 509.0) internal successors, (1527), 3 states have internal predecessors, (1527), 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) [2024-11-22 17:55:55,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:55,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:55:55,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:55,892 INFO L124 PetriNetUnfolderBase]: 365/4198 cut-off events. [2024-11-22 17:55:55,892 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-22 17:55:55,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5963 conditions, 4198 events. 365/4198 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 40694 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5363. Up to 528 conditions per place. [2024-11-22 17:55:55,960 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/430 dead transitions. [2024-11-22 17:55:55,960 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 430 transitions, 1134 flow [2024-11-22 17:55:55,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:55,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:55:55,963 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:55:55,963 INFO L175 Difference]: Start difference. First operand has 434 places, 428 transitions, 1049 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:55:55,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 430 transitions, 1134 flow [2024-11-22 17:55:55,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 430 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:55,970 INFO L231 Difference]: Finished difference. Result has 433 places, 427 transitions, 1047 flow [2024-11-22 17:55:55,970 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1047, PETRI_PLACES=433, PETRI_TRANSITIONS=427} [2024-11-22 17:55:55,971 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -91 predicate places. [2024-11-22 17:55:55,971 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 427 transitions, 1047 flow [2024-11-22 17:55:55,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.0) internal successors, (1527), 3 states have internal predecessors, (1527), 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) [2024-11-22 17:55:55,972 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:55,972 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:55,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-22 17:55:55,972 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread4Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:55,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:55,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1743064750, now seen corresponding path program 1 times [2024-11-22 17:55:55,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:55,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230090167] [2024-11-22 17:55:55,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:55,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:56,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:56,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230090167] [2024-11-22 17:55:56,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230090167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:56,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:56,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:56,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037339454] [2024-11-22 17:55:56,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:56,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:56,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:56,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:56,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:56,356 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:55:56,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 427 transitions, 1047 flow. Second operand has 3 states, 3 states have (on average 508.6666666666667) internal successors, (1526), 3 states have internal predecessors, (1526), 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) [2024-11-22 17:55:56,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:56,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:55:56,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:56,869 INFO L124 PetriNetUnfolderBase]: 235/3277 cut-off events. [2024-11-22 17:55:56,869 INFO L125 PetriNetUnfolderBase]: For 299/303 co-relation queries the response was YES. [2024-11-22 17:55:56,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4495 conditions, 3277 events. 235/3277 cut-off events. For 299/303 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 29454 event pairs, 129 based on Foata normal form. 0/3052 useless extension candidates. Maximal degree in co-relation 4352. Up to 435 conditions per place. [2024-11-22 17:55:56,923 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/429 dead transitions. [2024-11-22 17:55:56,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 429 transitions, 1130 flow [2024-11-22 17:55:56,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:55:56,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:55:56,928 INFO L175 Difference]: Start difference. First operand has 433 places, 427 transitions, 1047 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:55:56,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 429 transitions, 1130 flow [2024-11-22 17:55:56,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 429 transitions, 1126 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:56,935 INFO L231 Difference]: Finished difference. Result has 432 places, 426 transitions, 1045 flow [2024-11-22 17:55:56,935 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=432, PETRI_TRANSITIONS=426} [2024-11-22 17:55:56,935 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -92 predicate places. [2024-11-22 17:55:56,935 INFO L471 AbstractCegarLoop]: Abstraction has has 432 places, 426 transitions, 1045 flow [2024-11-22 17:55:56,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.6666666666667) internal successors, (1526), 3 states have internal predecessors, (1526), 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) [2024-11-22 17:55:56,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:56,937 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:56,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-22 17:55:56,937 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:56,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:56,937 INFO L85 PathProgramCache]: Analyzing trace with hash 2109734462, now seen corresponding path program 1 times [2024-11-22 17:55:56,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:56,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346731290] [2024-11-22 17:55:56,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:56,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:56,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:56,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346731290] [2024-11-22 17:55:56,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346731290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:56,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:56,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:56,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939874242] [2024-11-22 17:55:56,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:56,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:56,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:56,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:56,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:57,111 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:55:57,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 426 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 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) [2024-11-22 17:55:57,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:57,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:55:57,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:57,846 INFO L124 PetriNetUnfolderBase]: 462/4201 cut-off events. [2024-11-22 17:55:57,846 INFO L125 PetriNetUnfolderBase]: For 471/474 co-relation queries the response was YES. [2024-11-22 17:55:57,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6216 conditions, 4201 events. 462/4201 cut-off events. For 471/474 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 40965 event pairs, 314 based on Foata normal form. 0/3942 useless extension candidates. Maximal degree in co-relation 5661. Up to 853 conditions per place. [2024-11-22 17:55:57,926 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2024-11-22 17:55:57,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 428 transitions, 1132 flow [2024-11-22 17:55:57,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:55:57,929 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:55:57,929 INFO L175 Difference]: Start difference. First operand has 432 places, 426 transitions, 1045 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:55:57,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 428 transitions, 1132 flow [2024-11-22 17:55:57,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 428 transitions, 1128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:57,936 INFO L231 Difference]: Finished difference. Result has 431 places, 425 transitions, 1043 flow [2024-11-22 17:55:57,936 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1043, PETRI_PLACES=431, PETRI_TRANSITIONS=425} [2024-11-22 17:55:57,936 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -93 predicate places. [2024-11-22 17:55:57,937 INFO L471 AbstractCegarLoop]: Abstraction has has 431 places, 425 transitions, 1043 flow [2024-11-22 17:55:57,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 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) [2024-11-22 17:55:57,937 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:57,937 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:57,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-22 17:55:57,937 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread2Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:57,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:57,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1552133068, now seen corresponding path program 1 times [2024-11-22 17:55:57,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:57,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078578672] [2024-11-22 17:55:57,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:57,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:57,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:57,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:57,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078578672] [2024-11-22 17:55:57,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078578672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:57,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:57,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:57,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048927750] [2024-11-22 17:55:57,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:57,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:57,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:57,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:58,037 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:55:58,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 425 transitions, 1043 flow. Second operand has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 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) [2024-11-22 17:55:58,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:58,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:55:58,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:59,126 INFO L124 PetriNetUnfolderBase]: 740/6337 cut-off events. [2024-11-22 17:55:59,126 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-22 17:55:59,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9440 conditions, 6337 events. 740/6337 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 65710 event pairs, 499 based on Foata normal form. 0/5962 useless extension candidates. Maximal degree in co-relation 8730. Up to 1234 conditions per place. [2024-11-22 17:55:59,256 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/427 dead transitions. [2024-11-22 17:55:59,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 427 transitions, 1126 flow [2024-11-22 17:55:59,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:59,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:55:59,258 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:55:59,258 INFO L175 Difference]: Start difference. First operand has 431 places, 425 transitions, 1043 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:55:59,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 427 transitions, 1126 flow [2024-11-22 17:55:59,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 427 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:59,266 INFO L231 Difference]: Finished difference. Result has 430 places, 424 transitions, 1041 flow [2024-11-22 17:55:59,266 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1041, PETRI_PLACES=430, PETRI_TRANSITIONS=424} [2024-11-22 17:55:59,267 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -94 predicate places. [2024-11-22 17:55:59,267 INFO L471 AbstractCegarLoop]: Abstraction has has 430 places, 424 transitions, 1041 flow [2024-11-22 17:55:59,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 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) [2024-11-22 17:55:59,267 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:59,267 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:59,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-22 17:55:59,268 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread1Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:55:59,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:59,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1687764173, now seen corresponding path program 1 times [2024-11-22 17:55:59,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:59,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879987188] [2024-11-22 17:55:59,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:59,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:59,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:59,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879987188] [2024-11-22 17:55:59,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879987188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:59,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:59,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:59,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52649708] [2024-11-22 17:55:59,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:59,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:59,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:59,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:59,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:59,372 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:55:59,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 424 transitions, 1041 flow. Second operand has 3 states, 3 states have (on average 510.0) internal successors, (1530), 3 states have internal predecessors, (1530), 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) [2024-11-22 17:55:59,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:59,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:55:59,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:59,944 INFO L124 PetriNetUnfolderBase]: 365/4150 cut-off events. [2024-11-22 17:55:59,944 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-22 17:55:59,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5915 conditions, 4150 events. 365/4150 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 40070 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5459. Up to 528 conditions per place. [2024-11-22 17:56:00,008 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2024-11-22 17:56:00,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 426 transitions, 1126 flow [2024-11-22 17:56:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:00,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:00,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:56:00,011 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:56:00,011 INFO L175 Difference]: Start difference. First operand has 430 places, 424 transitions, 1041 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:56:00,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 426 transitions, 1126 flow [2024-11-22 17:56:00,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 426 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:00,017 INFO L231 Difference]: Finished difference. Result has 429 places, 423 transitions, 1039 flow [2024-11-22 17:56:00,018 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1039, PETRI_PLACES=429, PETRI_TRANSITIONS=423} [2024-11-22 17:56:00,019 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -95 predicate places. [2024-11-22 17:56:00,019 INFO L471 AbstractCegarLoop]: Abstraction has has 429 places, 423 transitions, 1039 flow [2024-11-22 17:56:00,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.0) internal successors, (1530), 3 states have internal predecessors, (1530), 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) [2024-11-22 17:56:00,019 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:00,019 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:00,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-22 17:56:00,019 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread4Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:56:00,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:00,020 INFO L85 PathProgramCache]: Analyzing trace with hash -745072705, now seen corresponding path program 1 times [2024-11-22 17:56:00,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:00,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086805115] [2024-11-22 17:56:00,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:00,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:00,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:00,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:00,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086805115] [2024-11-22 17:56:00,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086805115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:00,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:00,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:00,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817539328] [2024-11-22 17:56:00,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:00,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:00,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:00,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:00,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:00,202 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:56:00,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 423 transitions, 1039 flow. Second operand has 3 states, 3 states have (on average 509.6666666666667) internal successors, (1529), 3 states have internal predecessors, (1529), 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) [2024-11-22 17:56:00,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:00,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:56:00,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:00,816 INFO L124 PetriNetUnfolderBase]: 235/3233 cut-off events. [2024-11-22 17:56:00,816 INFO L125 PetriNetUnfolderBase]: For 299/303 co-relation queries the response was YES. [2024-11-22 17:56:00,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4451 conditions, 3233 events. 235/3233 cut-off events. For 299/303 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 28968 event pairs, 129 based on Foata normal form. 0/3046 useless extension candidates. Maximal degree in co-relation 4344. Up to 435 conditions per place. [2024-11-22 17:56:00,866 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/425 dead transitions. [2024-11-22 17:56:00,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 425 transitions, 1122 flow [2024-11-22 17:56:00,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:00,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:56:00,868 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:56:00,868 INFO L175 Difference]: Start difference. First operand has 429 places, 423 transitions, 1039 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:56:00,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 425 transitions, 1122 flow [2024-11-22 17:56:00,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 425 transitions, 1118 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:00,874 INFO L231 Difference]: Finished difference. Result has 428 places, 422 transitions, 1037 flow [2024-11-22 17:56:00,874 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1037, PETRI_PLACES=428, PETRI_TRANSITIONS=422} [2024-11-22 17:56:00,875 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -96 predicate places. [2024-11-22 17:56:00,875 INFO L471 AbstractCegarLoop]: Abstraction has has 428 places, 422 transitions, 1037 flow [2024-11-22 17:56:00,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.6666666666667) internal successors, (1529), 3 states have internal predecessors, (1529), 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) [2024-11-22 17:56:00,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:00,875 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:00,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-22 17:56:00,875 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:56:00,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:00,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1888681471, now seen corresponding path program 1 times [2024-11-22 17:56:00,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:00,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839149646] [2024-11-22 17:56:00,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:00,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:00,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:00,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839149646] [2024-11-22 17:56:00,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839149646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:00,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:00,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:00,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218531117] [2024-11-22 17:56:00,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:00,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:00,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:00,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:00,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:00,976 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:56:00,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 422 transitions, 1037 flow. Second operand has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 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) [2024-11-22 17:56:00,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:00,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:56:00,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:01,676 INFO L124 PetriNetUnfolderBase]: 462/4141 cut-off events. [2024-11-22 17:56:01,677 INFO L125 PetriNetUnfolderBase]: For 468/471 co-relation queries the response was YES. [2024-11-22 17:56:01,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6156 conditions, 4141 events. 462/4141 cut-off events. For 468/471 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 40127 event pairs, 314 based on Foata normal form. 0/3930 useless extension candidates. Maximal degree in co-relation 5709. Up to 853 conditions per place. [2024-11-22 17:56:01,752 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/424 dead transitions. [2024-11-22 17:56:01,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 424 transitions, 1124 flow [2024-11-22 17:56:01,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:56:01,754 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:56:01,754 INFO L175 Difference]: Start difference. First operand has 428 places, 422 transitions, 1037 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:56:01,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 424 transitions, 1124 flow [2024-11-22 17:56:01,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 424 transitions, 1120 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:01,761 INFO L231 Difference]: Finished difference. Result has 427 places, 421 transitions, 1035 flow [2024-11-22 17:56:01,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1031, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1035, PETRI_PLACES=427, PETRI_TRANSITIONS=421} [2024-11-22 17:56:01,762 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -97 predicate places. [2024-11-22 17:56:01,762 INFO L471 AbstractCegarLoop]: Abstraction has has 427 places, 421 transitions, 1035 flow [2024-11-22 17:56:01,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 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) [2024-11-22 17:56:01,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:01,763 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:01,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-22 17:56:01,763 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:56:01,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:01,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1937254005, now seen corresponding path program 1 times [2024-11-22 17:56:01,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:01,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383656224] [2024-11-22 17:56:01,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:01,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:01,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:01,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:01,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383656224] [2024-11-22 17:56:01,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383656224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:01,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:01,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:01,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488591874] [2024-11-22 17:56:01,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:01,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:01,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:01,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:01,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:01,983 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:56:01,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 421 transitions, 1035 flow. Second operand has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 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) [2024-11-22 17:56:01,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:01,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:56:01,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:03,113 INFO L124 PetriNetUnfolderBase]: 752/6476 cut-off events. [2024-11-22 17:56:03,113 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-22 17:56:03,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9633 conditions, 6476 events. 752/6476 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 66491 event pairs, 499 based on Foata normal form. 0/6160 useless extension candidates. Maximal degree in co-relation 9085. Up to 1234 conditions per place. [2024-11-22 17:56:03,237 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/423 dead transitions. [2024-11-22 17:56:03,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 423 transitions, 1118 flow [2024-11-22 17:56:03,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:03,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:56:03,239 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:56:03,239 INFO L175 Difference]: Start difference. First operand has 427 places, 421 transitions, 1035 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:56:03,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 423 transitions, 1118 flow [2024-11-22 17:56:03,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 423 transitions, 1114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:03,247 INFO L231 Difference]: Finished difference. Result has 426 places, 420 transitions, 1033 flow [2024-11-22 17:56:03,247 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1029, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1033, PETRI_PLACES=426, PETRI_TRANSITIONS=420} [2024-11-22 17:56:03,247 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -98 predicate places. [2024-11-22 17:56:03,248 INFO L471 AbstractCegarLoop]: Abstraction has has 426 places, 420 transitions, 1033 flow [2024-11-22 17:56:03,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 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) [2024-11-22 17:56:03,248 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:03,248 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:03,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-22 17:56:03,248 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:56:03,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:03,248 INFO L85 PathProgramCache]: Analyzing trace with hash 340001704, now seen corresponding path program 1 times [2024-11-22 17:56:03,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:03,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919244127] [2024-11-22 17:56:03,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:03,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:03,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:03,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919244127] [2024-11-22 17:56:03,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919244127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:03,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:03,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:03,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448447319] [2024-11-22 17:56:03,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:03,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:03,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:03,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:03,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:03,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:56:03,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 420 transitions, 1033 flow. Second operand has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 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) [2024-11-22 17:56:03,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:03,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:56:03,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:03,926 INFO L124 PetriNetUnfolderBase]: 365/4102 cut-off events. [2024-11-22 17:56:03,926 INFO L125 PetriNetUnfolderBase]: For 179/188 co-relation queries the response was YES. [2024-11-22 17:56:03,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5867 conditions, 4102 events. 365/4102 cut-off events. For 179/188 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 39429 event pairs, 226 based on Foata normal form. 0/3926 useless extension candidates. Maximal degree in co-relation 5555. Up to 528 conditions per place. [2024-11-22 17:56:03,970 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 37 selfloop transitions, 2 changer transitions 0/422 dead transitions. [2024-11-22 17:56:03,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 422 transitions, 1118 flow [2024-11-22 17:56:03,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:03,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:03,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:56:03,972 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:56:03,972 INFO L175 Difference]: Start difference. First operand has 426 places, 420 transitions, 1033 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:56:03,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 422 transitions, 1118 flow [2024-11-22 17:56:03,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 422 transitions, 1114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:03,978 INFO L231 Difference]: Finished difference. Result has 425 places, 419 transitions, 1031 flow [2024-11-22 17:56:03,978 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1027, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1031, PETRI_PLACES=425, PETRI_TRANSITIONS=419} [2024-11-22 17:56:03,978 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -99 predicate places. [2024-11-22 17:56:03,978 INFO L471 AbstractCegarLoop]: Abstraction has has 425 places, 419 transitions, 1031 flow [2024-11-22 17:56:03,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 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) [2024-11-22 17:56:03,979 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:03,979 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:03,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-22 17:56:03,979 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread4Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:56:03,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:03,979 INFO L85 PathProgramCache]: Analyzing trace with hash 258070014, now seen corresponding path program 1 times [2024-11-22 17:56:03,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:03,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438304058] [2024-11-22 17:56:03,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:03,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:04,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:04,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:04,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438304058] [2024-11-22 17:56:04,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438304058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:04,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:04,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:04,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343373028] [2024-11-22 17:56:04,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:04,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:04,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:04,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:04,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:04,067 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:56:04,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 419 transitions, 1031 flow. Second operand has 3 states, 3 states have (on average 510.6666666666667) internal successors, (1532), 3 states have internal predecessors, (1532), 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) [2024-11-22 17:56:04,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:04,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:56:04,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:04,504 INFO L124 PetriNetUnfolderBase]: 235/3189 cut-off events. [2024-11-22 17:56:04,504 INFO L125 PetriNetUnfolderBase]: For 299/303 co-relation queries the response was YES. [2024-11-22 17:56:04,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4407 conditions, 3189 events. 235/3189 cut-off events. For 299/303 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 28363 event pairs, 129 based on Foata normal form. 0/3040 useless extension candidates. Maximal degree in co-relation 4336. Up to 435 conditions per place. [2024-11-22 17:56:04,552 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/421 dead transitions. [2024-11-22 17:56:04,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 421 transitions, 1114 flow [2024-11-22 17:56:04,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:04,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:04,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:56:04,554 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:56:04,554 INFO L175 Difference]: Start difference. First operand has 425 places, 419 transitions, 1031 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:56:04,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 421 transitions, 1114 flow [2024-11-22 17:56:04,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 421 transitions, 1110 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:04,560 INFO L231 Difference]: Finished difference. Result has 424 places, 418 transitions, 1029 flow [2024-11-22 17:56:04,560 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1025, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1029, PETRI_PLACES=424, PETRI_TRANSITIONS=418} [2024-11-22 17:56:04,561 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -100 predicate places. [2024-11-22 17:56:04,561 INFO L471 AbstractCegarLoop]: Abstraction has has 424 places, 418 transitions, 1029 flow [2024-11-22 17:56:04,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.6666666666667) internal successors, (1532), 3 states have internal predecessors, (1532), 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) [2024-11-22 17:56:04,561 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:04,561 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:04,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-22 17:56:04,561 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread3Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:56:04,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:04,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1053041002, now seen corresponding path program 1 times [2024-11-22 17:56:04,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:04,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487861829] [2024-11-22 17:56:04,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:04,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:04,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:04,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487861829] [2024-11-22 17:56:04,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487861829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:04,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:04,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:04,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630953511] [2024-11-22 17:56:04,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:04,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:04,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:04,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:04,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:04,666 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:56:04,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 418 transitions, 1029 flow. Second operand has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 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) [2024-11-22 17:56:04,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:04,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:56:04,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:05,288 INFO L124 PetriNetUnfolderBase]: 462/4081 cut-off events. [2024-11-22 17:56:05,288 INFO L125 PetriNetUnfolderBase]: For 465/468 co-relation queries the response was YES. [2024-11-22 17:56:05,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6096 conditions, 4081 events. 462/4081 cut-off events. For 465/468 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 39117 event pairs, 314 based on Foata normal form. 0/3918 useless extension candidates. Maximal degree in co-relation 5757. Up to 853 conditions per place. [2024-11-22 17:56:05,358 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/420 dead transitions. [2024-11-22 17:56:05,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 420 transitions, 1116 flow [2024-11-22 17:56:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:05,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:56:05,360 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:56:05,360 INFO L175 Difference]: Start difference. First operand has 424 places, 418 transitions, 1029 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:56:05,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 420 transitions, 1116 flow [2024-11-22 17:56:05,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 420 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:05,366 INFO L231 Difference]: Finished difference. Result has 423 places, 417 transitions, 1027 flow [2024-11-22 17:56:05,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1027, PETRI_PLACES=423, PETRI_TRANSITIONS=417} [2024-11-22 17:56:05,367 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -101 predicate places. [2024-11-22 17:56:05,367 INFO L471 AbstractCegarLoop]: Abstraction has has 423 places, 417 transitions, 1027 flow [2024-11-22 17:56:05,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 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) [2024-11-22 17:56:05,367 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:05,367 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:05,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-22 17:56:05,368 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:56:05,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:05,368 INFO L85 PathProgramCache]: Analyzing trace with hash 352667488, now seen corresponding path program 1 times [2024-11-22 17:56:05,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:05,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282556107] [2024-11-22 17:56:05,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:05,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:05,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:05,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282556107] [2024-11-22 17:56:05,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282556107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:05,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:05,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:05,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174489104] [2024-11-22 17:56:05,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:05,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:05,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:05,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:05,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:05,473 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:56:05,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 417 transitions, 1027 flow. Second operand has 3 states, 3 states have (on average 512.3333333333334) internal successors, (1537), 3 states have internal predecessors, (1537), 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) [2024-11-22 17:56:05,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:05,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:56:05,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:06,637 INFO L124 PetriNetUnfolderBase]: 764/6609 cut-off events. [2024-11-22 17:56:06,637 INFO L125 PetriNetUnfolderBase]: For 595/601 co-relation queries the response was YES. [2024-11-22 17:56:06,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9820 conditions, 6609 events. 764/6609 cut-off events. For 595/601 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 67269 event pairs, 499 based on Foata normal form. 0/6362 useless extension candidates. Maximal degree in co-relation 9434. Up to 1234 conditions per place. [2024-11-22 17:56:06,765 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/419 dead transitions. [2024-11-22 17:56:06,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 419 transitions, 1110 flow [2024-11-22 17:56:06,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:06,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:56:06,767 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:56:06,767 INFO L175 Difference]: Start difference. First operand has 423 places, 417 transitions, 1027 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:56:06,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 419 transitions, 1110 flow [2024-11-22 17:56:06,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 419 transitions, 1106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:06,774 INFO L231 Difference]: Finished difference. Result has 422 places, 416 transitions, 1025 flow [2024-11-22 17:56:06,774 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1021, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1025, PETRI_PLACES=422, PETRI_TRANSITIONS=416} [2024-11-22 17:56:06,775 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -102 predicate places. [2024-11-22 17:56:06,775 INFO L471 AbstractCegarLoop]: Abstraction has has 422 places, 416 transitions, 1025 flow [2024-11-22 17:56:06,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 512.3333333333334) internal successors, (1537), 3 states have internal predecessors, (1537), 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) [2024-11-22 17:56:06,775 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:06,775 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:06,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-22 17:56:06,775 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread4Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:56:06,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:06,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2023139499, now seen corresponding path program 1 times [2024-11-22 17:56:06,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:06,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620759251] [2024-11-22 17:56:06,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:06,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:06,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:06,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620759251] [2024-11-22 17:56:06,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620759251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:06,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:06,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:06,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359170753] [2024-11-22 17:56:06,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:06,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:06,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:06,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:06,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:06,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:56:06,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 416 transitions, 1025 flow. Second operand has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 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) [2024-11-22 17:56:06,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:06,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:56:06,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:07,287 INFO L124 PetriNetUnfolderBase]: 235/3148 cut-off events. [2024-11-22 17:56:07,287 INFO L125 PetriNetUnfolderBase]: For 308/312 co-relation queries the response was YES. [2024-11-22 17:56:07,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4384 conditions, 3148 events. 235/3148 cut-off events. For 308/312 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 27903 event pairs, 129 based on Foata normal form. 0/3034 useless extension candidates. Maximal degree in co-relation 4226. Up to 435 conditions per place. [2024-11-22 17:56:07,335 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 36 selfloop transitions, 2 changer transitions 0/418 dead transitions. [2024-11-22 17:56:07,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 418 transitions, 1108 flow [2024-11-22 17:56:07,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:07,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:07,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:56:07,337 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:56:07,337 INFO L175 Difference]: Start difference. First operand has 422 places, 416 transitions, 1025 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:56:07,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 418 transitions, 1108 flow [2024-11-22 17:56:07,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 418 transitions, 1104 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:07,345 INFO L231 Difference]: Finished difference. Result has 421 places, 415 transitions, 1023 flow [2024-11-22 17:56:07,345 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1019, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1023, PETRI_PLACES=421, PETRI_TRANSITIONS=415} [2024-11-22 17:56:07,345 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -103 predicate places. [2024-11-22 17:56:07,346 INFO L471 AbstractCegarLoop]: Abstraction has has 421 places, 415 transitions, 1023 flow [2024-11-22 17:56:07,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 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) [2024-11-22 17:56:07,346 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:07,346 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:07,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-22 17:56:07,347 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting thread3Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:56:07,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:07,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1586733163, now seen corresponding path program 1 times [2024-11-22 17:56:07,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:07,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676108956] [2024-11-22 17:56:07,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:07,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:07,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:07,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676108956] [2024-11-22 17:56:07,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676108956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:07,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:07,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:07,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687449677] [2024-11-22 17:56:07,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:07,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:07,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:07,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:07,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:07,452 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 547 [2024-11-22 17:56:07,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 415 transitions, 1023 flow. Second operand has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 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) [2024-11-22 17:56:07,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:07,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 547 [2024-11-22 17:56:07,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:08,051 INFO L124 PetriNetUnfolderBase]: 462/4024 cut-off events. [2024-11-22 17:56:08,051 INFO L125 PetriNetUnfolderBase]: For 462/465 co-relation queries the response was YES. [2024-11-22 17:56:08,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6039 conditions, 4024 events. 462/4024 cut-off events. For 462/465 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 38381 event pairs, 314 based on Foata normal form. 0/3906 useless extension candidates. Maximal degree in co-relation 5808. Up to 853 conditions per place. [2024-11-22 17:56:08,108 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 38 selfloop transitions, 2 changer transitions 0/417 dead transitions. [2024-11-22 17:56:08,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 417 transitions, 1110 flow [2024-11-22 17:56:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:08,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1545 transitions. [2024-11-22 17:56:08,110 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414990859232175 [2024-11-22 17:56:08,110 INFO L175 Difference]: Start difference. First operand has 421 places, 415 transitions, 1023 flow. Second operand 3 states and 1545 transitions. [2024-11-22 17:56:08,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 417 transitions, 1110 flow [2024-11-22 17:56:08,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 417 transitions, 1106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:08,115 INFO L231 Difference]: Finished difference. Result has 420 places, 414 transitions, 1021 flow [2024-11-22 17:56:08,115 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1017, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1021, PETRI_PLACES=420, PETRI_TRANSITIONS=414} [2024-11-22 17:56:08,115 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -104 predicate places. [2024-11-22 17:56:08,116 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 414 transitions, 1021 flow [2024-11-22 17:56:08,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 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) [2024-11-22 17:56:08,117 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:08,117 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:08,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-22 17:56:08,117 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting thread4Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 199 more)] === [2024-11-22 17:56:08,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:08,118 INFO L85 PathProgramCache]: Analyzing trace with hash -536444246, now seen corresponding path program 1 times [2024-11-22 17:56:08,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:08,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995830433] [2024-11-22 17:56:08,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:08,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:08,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:08,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:08,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995830433] [2024-11-22 17:56:08,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995830433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:08,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:08,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:08,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291817766] [2024-11-22 17:56:08,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:08,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:08,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:08,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:08,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:08,214 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 547 [2024-11-22 17:56:08,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 414 transitions, 1021 flow. Second operand has 3 states, 3 states have (on average 512.6666666666666) internal successors, (1538), 3 states have internal predecessors, (1538), 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) [2024-11-22 17:56:08,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:08,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 547 [2024-11-22 17:56:08,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:08,628 INFO L124 PetriNetUnfolderBase]: 235/3119 cut-off events. [2024-11-22 17:56:08,628 INFO L125 PetriNetUnfolderBase]: For 307/311 co-relation queries the response was YES. [2024-11-22 17:56:08,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4353 conditions, 3119 events. 235/3119 cut-off events. For 307/311 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 27629 event pairs, 129 based on Foata normal form. 0/3028 useless extension candidates. Maximal degree in co-relation 4214. Up to 435 conditions per place. [2024-11-22 17:56:08,665 INFO L140 encePairwiseOnDemand]: 544/547 looper letters, 0 selfloop transitions, 0 changer transitions 416/416 dead transitions. [2024-11-22 17:56:08,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 416 transitions, 1104 flow [2024-11-22 17:56:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2024-11-22 17:56:08,666 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427178549664839 [2024-11-22 17:56:08,666 INFO L175 Difference]: Start difference. First operand has 420 places, 414 transitions, 1021 flow. Second operand 3 states and 1547 transitions. [2024-11-22 17:56:08,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 416 transitions, 1104 flow [2024-11-22 17:56:08,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 416 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:08,670 INFO L231 Difference]: Finished difference. Result has 419 places, 0 transitions, 0 flow [2024-11-22 17:56:08,670 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1015, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=419, PETRI_TRANSITIONS=0} [2024-11-22 17:56:08,670 INFO L277 CegarLoopForPetriNet]: 524 programPoint places, -105 predicate places. [2024-11-22 17:56:08,670 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 0 transitions, 0 flow [2024-11-22 17:56:08,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 512.6666666666666) internal successors, (1538), 3 states have internal predecessors, (1538), 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) [2024-11-22 17:56:08,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (202 of 203 remaining) [2024-11-22 17:56:08,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (201 of 203 remaining) [2024-11-22 17:56:08,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (200 of 203 remaining) [2024-11-22 17:56:08,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (199 of 203 remaining) [2024-11-22 17:56:08,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (198 of 203 remaining) [2024-11-22 17:56:08,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (197 of 203 remaining) [2024-11-22 17:56:08,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (196 of 203 remaining) [2024-11-22 17:56:08,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (195 of 203 remaining) [2024-11-22 17:56:08,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (194 of 203 remaining) [2024-11-22 17:56:08,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (193 of 203 remaining) [2024-11-22 17:56:08,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (192 of 203 remaining) [2024-11-22 17:56:08,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (191 of 203 remaining) [2024-11-22 17:56:08,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (190 of 203 remaining) [2024-11-22 17:56:08,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (189 of 203 remaining) [2024-11-22 17:56:08,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (188 of 203 remaining) [2024-11-22 17:56:08,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (187 of 203 remaining) [2024-11-22 17:56:08,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (186 of 203 remaining) [2024-11-22 17:56:08,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (185 of 203 remaining) [2024-11-22 17:56:08,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (184 of 203 remaining) [2024-11-22 17:56:08,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (183 of 203 remaining) [2024-11-22 17:56:08,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (182 of 203 remaining) [2024-11-22 17:56:08,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (181 of 203 remaining) [2024-11-22 17:56:08,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (180 of 203 remaining) [2024-11-22 17:56:08,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (179 of 203 remaining) [2024-11-22 17:56:08,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (178 of 203 remaining) [2024-11-22 17:56:08,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (177 of 203 remaining) [2024-11-22 17:56:08,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (176 of 203 remaining) [2024-11-22 17:56:08,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (175 of 203 remaining) [2024-11-22 17:56:08,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (174 of 203 remaining) [2024-11-22 17:56:08,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (173 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (172 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (171 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (170 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (169 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (168 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (167 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (166 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (165 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (164 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (163 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (162 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (161 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (160 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (159 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (158 of 203 remaining) [2024-11-22 17:56:08,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (157 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (156 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (155 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (154 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (153 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (152 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (151 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (150 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (149 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (148 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (147 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (146 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (145 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (144 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (143 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (142 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (141 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (140 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (139 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (138 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (137 of 203 remaining) [2024-11-22 17:56:08,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (136 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (135 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (134 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (133 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (132 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (131 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (130 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (129 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (128 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (127 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (126 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (125 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (124 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (123 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (122 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (121 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (120 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (119 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (118 of 203 remaining) [2024-11-22 17:56:08,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (117 of 203 remaining) [2024-11-22 17:56:08,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (116 of 203 remaining) [2024-11-22 17:56:08,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (115 of 203 remaining) [2024-11-22 17:56:08,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (114 of 203 remaining) [2024-11-22 17:56:08,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (113 of 203 remaining) [2024-11-22 17:56:08,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (112 of 203 remaining) [2024-11-22 17:56:08,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (111 of 203 remaining) [2024-11-22 17:56:08,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (110 of 203 remaining) [2024-11-22 17:56:08,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (109 of 203 remaining) [2024-11-22 17:56:08,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (108 of 203 remaining) [2024-11-22 17:56:08,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (107 of 203 remaining) [2024-11-22 17:56:08,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (106 of 203 remaining) [2024-11-22 17:56:08,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (105 of 203 remaining) [2024-11-22 17:56:08,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (104 of 203 remaining) [2024-11-22 17:56:08,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (103 of 203 remaining) [2024-11-22 17:56:08,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (102 of 203 remaining) [2024-11-22 17:56:08,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (101 of 203 remaining) [2024-11-22 17:56:08,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (100 of 203 remaining) [2024-11-22 17:56:08,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (99 of 203 remaining) [2024-11-22 17:56:08,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (98 of 203 remaining) [2024-11-22 17:56:08,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (97 of 203 remaining) [2024-11-22 17:56:08,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (96 of 203 remaining) [2024-11-22 17:56:08,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (95 of 203 remaining) [2024-11-22 17:56:08,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (94 of 203 remaining) [2024-11-22 17:56:08,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (93 of 203 remaining) [2024-11-22 17:56:08,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (92 of 203 remaining) [2024-11-22 17:56:08,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (91 of 203 remaining) [2024-11-22 17:56:08,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (90 of 203 remaining) [2024-11-22 17:56:08,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (89 of 203 remaining) [2024-11-22 17:56:08,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (88 of 203 remaining) [2024-11-22 17:56:08,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (87 of 203 remaining) [2024-11-22 17:56:08,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (86 of 203 remaining) [2024-11-22 17:56:08,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (85 of 203 remaining) [2024-11-22 17:56:08,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (84 of 203 remaining) [2024-11-22 17:56:08,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (83 of 203 remaining) [2024-11-22 17:56:08,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (82 of 203 remaining) [2024-11-22 17:56:08,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (81 of 203 remaining) [2024-11-22 17:56:08,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (80 of 203 remaining) [2024-11-22 17:56:08,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (79 of 203 remaining) [2024-11-22 17:56:08,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (78 of 203 remaining) [2024-11-22 17:56:08,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (77 of 203 remaining) [2024-11-22 17:56:08,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (76 of 203 remaining) [2024-11-22 17:56:08,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (75 of 203 remaining) [2024-11-22 17:56:08,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (74 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (73 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (72 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (71 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (70 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (69 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (68 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (67 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (66 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (65 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (63 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (62 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (61 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (59 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (58 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (57 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (56 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (55 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (54 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (53 of 203 remaining) [2024-11-22 17:56:08,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (52 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (51 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (50 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (49 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (48 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (47 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (46 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (37 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (36 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (35 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (34 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (33 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (32 of 203 remaining) [2024-11-22 17:56:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (31 of 203 remaining) [2024-11-22 17:56:08,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (30 of 203 remaining) [2024-11-22 17:56:08,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (29 of 203 remaining) [2024-11-22 17:56:08,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (28 of 203 remaining) [2024-11-22 17:56:08,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (27 of 203 remaining) [2024-11-22 17:56:08,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (26 of 203 remaining) [2024-11-22 17:56:08,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (25 of 203 remaining) [2024-11-22 17:56:08,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (24 of 203 remaining) [2024-11-22 17:56:08,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (23 of 203 remaining) [2024-11-22 17:56:08,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (22 of 203 remaining) [2024-11-22 17:56:08,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 203 remaining) [2024-11-22 17:56:08,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (20 of 203 remaining) [2024-11-22 17:56:08,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (19 of 203 remaining) [2024-11-22 17:56:08,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (18 of 203 remaining) [2024-11-22 17:56:08,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (17 of 203 remaining) [2024-11-22 17:56:08,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (16 of 203 remaining) [2024-11-22 17:56:08,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (15 of 203 remaining) [2024-11-22 17:56:08,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (14 of 203 remaining) [2024-11-22 17:56:08,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (13 of 203 remaining) [2024-11-22 17:56:08,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (12 of 203 remaining) [2024-11-22 17:56:08,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (11 of 203 remaining) [2024-11-22 17:56:08,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (10 of 203 remaining) [2024-11-22 17:56:08,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (9 of 203 remaining) [2024-11-22 17:56:08,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (8 of 203 remaining) [2024-11-22 17:56:08,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (7 of 203 remaining) [2024-11-22 17:56:08,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (6 of 203 remaining) [2024-11-22 17:56:08,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (5 of 203 remaining) [2024-11-22 17:56:08,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (4 of 203 remaining) [2024-11-22 17:56:08,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (3 of 203 remaining) [2024-11-22 17:56:08,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (2 of 203 remaining) [2024-11-22 17:56:08,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (1 of 203 remaining) [2024-11-22 17:56:08,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (0 of 203 remaining) [2024-11-22 17:56:08,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-22 17:56:08,690 INFO L407 BasicCegarLoop]: Path program 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] [2024-11-22 17:56:08,699 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:56:08,699 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:56:08,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:56:08 BasicIcfg [2024-11-22 17:56:08,703 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:56:08,704 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:56:08,704 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:56:08,704 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:56:08,704 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:55:33" (3/4) ... [2024-11-22 17:56:08,705 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:56:08,708 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-22 17:56:08,708 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-22 17:56:08,708 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-22 17:56:08,708 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-22 17:56:08,713 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-22 17:56:08,714 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 17:56:08,714 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-22 17:56:08,714 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:56:08,784 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:56:08,785 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:56:08,785 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:56:08,785 INFO L158 Benchmark]: Toolchain (without parser) took 36829.39ms. Allocated memory was 176.2MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 118.6MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 911.1MB. Max. memory is 16.1GB. [2024-11-22 17:56:08,785 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:56:08,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.58ms. Allocated memory is still 176.2MB. Free memory was 118.6MB in the beginning and 103.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 17:56:08,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.15ms. Allocated memory is still 176.2MB. Free memory was 103.9MB in the beginning and 101.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:56:08,786 INFO L158 Benchmark]: Boogie Preprocessor took 79.67ms. Allocated memory is still 176.2MB. Free memory was 101.9MB in the beginning and 100.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:56:08,786 INFO L158 Benchmark]: RCFGBuilder took 805.82ms. Allocated memory is still 176.2MB. Free memory was 100.2MB in the beginning and 65.8MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-22 17:56:08,787 INFO L158 Benchmark]: TraceAbstraction took 35491.88ms. Allocated memory was 176.2MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 65.4MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 854.5MB. Max. memory is 16.1GB. [2024-11-22 17:56:08,787 INFO L158 Benchmark]: Witness Printer took 81.36ms. Allocated memory is still 3.6GB. Free memory was 2.7GB in the beginning and 2.6GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:56:08,788 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.58ms. Allocated memory is still 176.2MB. Free memory was 118.6MB in the beginning and 103.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.15ms. Allocated memory is still 176.2MB. Free memory was 103.9MB in the beginning and 101.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.67ms. Allocated memory is still 176.2MB. Free memory was 101.9MB in the beginning and 100.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 805.82ms. Allocated memory is still 176.2MB. Free memory was 100.2MB in the beginning and 65.8MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 35491.88ms. Allocated memory was 176.2MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 65.4MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 854.5MB. Max. memory is 16.1GB. * Witness Printer took 81.36ms. Allocated memory is still 3.6GB. Free memory was 2.7GB in the beginning and 2.6GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 918 locations, 203 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 35.3s, OverallIterations: 39, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 33.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5778 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1900 mSDsluCounter, 990 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 283 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5462 IncrementalHoareTripleChecker+Invalid, 5745 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 283 mSolverCounterUnsat, 982 mSDtfsCounter, 5462 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1073occurred in iteration=12, InterpolantAutomatonStates: 119, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 4063 NumberOfCodeBlocks, 4063 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 4024 ConstructedInterpolants, 0 QuantifiedInterpolants, 4102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 39 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 107 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:56:08,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE