./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:52:31,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:52:31,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:52:31,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:52:31,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:52:31,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:52:31,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:52:31,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:52:31,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:52:31,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:52:31,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:52:31,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:52:31,304 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:52:31,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:52:31,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:52:31,305 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:52:31,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:52:31,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:52:31,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:52:31,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:52:31,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:52:31,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:52:31,311 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:52:31,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:52:31,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:52:31,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:52:31,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:52:31,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:52:31,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:52:31,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:52:31,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:52:31,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:52:31,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:52:31,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:52:31,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:52:31,315 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:52:31,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:52:31,316 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:52:31,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:52:31,316 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:52:31,316 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:52:31,317 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa [2024-11-20 13:52:31,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:52:31,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:52:31,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:52:31,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:52:31,610 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:52:31,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2024-11-20 13:52:33,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:52:33,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:52:33,226 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2024-11-20 13:52:33,239 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/647332b9e/4dcec76eb68e41349ae66a36cf45f3f6/FLAGfdd960f33 [2024-11-20 13:52:33,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/647332b9e/4dcec76eb68e41349ae66a36cf45f3f6 [2024-11-20 13:52:33,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:52:33,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:52:33,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:52:33,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:52:33,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:52:33,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:33,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c65af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33, skipping insertion in model container [2024-11-20 13:52:33,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:33,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:52:33,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:52:33,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:52:33,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:52:33,995 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:52:33,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33 WrapperNode [2024-11-20 13:52:33,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:52:33,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:52:33,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:52:33,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:52:34,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:34,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:34,056 INFO L138 Inliner]: procedures = 24, calls = 28, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 323 [2024-11-20 13:52:34,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:52:34,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:52:34,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:52:34,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:52:34,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:34,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:34,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:34,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:34,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:34,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:34,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:34,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:34,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:52:34,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:52:34,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:52:34,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:52:34,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33" (1/1) ... [2024-11-20 13:52:34,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:52:34,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:52:34,154 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) [2024-11-20 13:52:34,157 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 [2024-11-20 13:52:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:52:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 13:52:34,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 13:52:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-20 13:52:34,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-20 13:52:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:52:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 13:52:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 13:52:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:52:34,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:52:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 13:52:34,211 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:52:34,327 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:52:34,329 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:52:34,845 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:52:34,845 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:52:34,874 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:52:34,874 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 13:52:34,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:52:34 BoogieIcfgContainer [2024-11-20 13:52:34,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:52:34,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:52:34,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:52:34,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:52:34,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:52:33" (1/3) ... [2024-11-20 13:52:34,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2e2ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:52:34, skipping insertion in model container [2024-11-20 13:52:34,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:33" (2/3) ... [2024-11-20 13:52:34,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2e2ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:52:34, skipping insertion in model container [2024-11-20 13:52:34,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:52:34" (3/3) ... [2024-11-20 13:52:34,884 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2024-11-20 13:52:34,900 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:52:34,901 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-20 13:52:34,901 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:52:35,037 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 13:52:35,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 412 places, 431 transitions, 876 flow [2024-11-20 13:52:35,288 INFO L124 PetriNetUnfolderBase]: 26/429 cut-off events. [2024-11-20 13:52:35,288 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:52:35,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 429 events. 26/429 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 688 event pairs, 0 based on Foata normal form. 0/369 useless extension candidates. Maximal degree in co-relation 257. Up to 2 conditions per place. [2024-11-20 13:52:35,300 INFO L82 GeneralOperation]: Start removeDead. Operand has 412 places, 431 transitions, 876 flow [2024-11-20 13:52:35,311 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 392 places, 409 transitions, 830 flow [2024-11-20 13:52:35,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:52:35,332 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;@62136f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:52:35,333 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-20 13:52:35,344 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:52:35,345 INFO L124 PetriNetUnfolderBase]: 3/59 cut-off events. [2024-11-20 13:52:35,345 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:52:35,345 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:35,346 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] [2024-11-20 13:52:35,346 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:35,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:35,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2138389688, now seen corresponding path program 1 times [2024-11-20 13:52:35,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:35,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131186361] [2024-11-20 13:52:35,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:35,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:36,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:36,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:36,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131186361] [2024-11-20 13:52:36,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131186361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:36,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:36,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:52:36,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761722455] [2024-11-20 13:52:36,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:36,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:52:36,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:36,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:52:36,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:52:36,472 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 431 [2024-11-20 13:52:36,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 409 transitions, 830 flow. Second operand has 6 states, 6 states have (on average 366.5) internal successors, (2199), 6 states have internal predecessors, (2199), 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) [2024-11-20 13:52:36,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:36,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 431 [2024-11-20 13:52:36,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:36,782 INFO L124 PetriNetUnfolderBase]: 131/1616 cut-off events. [2024-11-20 13:52:36,782 INFO L125 PetriNetUnfolderBase]: For 69/70 co-relation queries the response was YES. [2024-11-20 13:52:36,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1893 conditions, 1616 events. 131/1616 cut-off events. For 69/70 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 10250 event pairs, 80 based on Foata normal form. 84/1458 useless extension candidates. Maximal degree in co-relation 1531. Up to 224 conditions per place. [2024-11-20 13:52:36,801 INFO L140 encePairwiseOnDemand]: 403/431 looper letters, 36 selfloop transitions, 10 changer transitions 6/391 dead transitions. [2024-11-20 13:52:36,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 391 transitions, 886 flow [2024-11-20 13:52:36,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:52:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:52:36,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2254 transitions. [2024-11-20 13:52:36,829 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.871616395978345 [2024-11-20 13:52:36,831 INFO L175 Difference]: Start difference. First operand has 392 places, 409 transitions, 830 flow. Second operand 6 states and 2254 transitions. [2024-11-20 13:52:36,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 391 transitions, 886 flow [2024-11-20 13:52:36,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 391 transitions, 878 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 13:52:36,847 INFO L231 Difference]: Finished difference. Result has 391 places, 385 transitions, 794 flow [2024-11-20 13:52:36,850 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=794, PETRI_PLACES=391, PETRI_TRANSITIONS=385} [2024-11-20 13:52:36,856 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -1 predicate places. [2024-11-20 13:52:36,856 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 385 transitions, 794 flow [2024-11-20 13:52:36,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.5) internal successors, (2199), 6 states have internal predecessors, (2199), 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) [2024-11-20 13:52:36,858 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:36,858 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:36,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:52:36,858 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:36,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:36,859 INFO L85 PathProgramCache]: Analyzing trace with hash -955381916, now seen corresponding path program 1 times [2024-11-20 13:52:36,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:36,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348342588] [2024-11-20 13:52:36,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:36,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:36,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:36,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:36,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348342588] [2024-11-20 13:52:36,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348342588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:36,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:36,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:36,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545774587] [2024-11-20 13:52:36,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:36,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:36,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:36,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:36,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:36,926 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 431 [2024-11-20 13:52:36,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 385 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 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) [2024-11-20 13:52:36,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:36,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 431 [2024-11-20 13:52:36,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:37,017 INFO L124 PetriNetUnfolderBase]: 13/491 cut-off events. [2024-11-20 13:52:37,018 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-20 13:52:37,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 491 events. 13/491 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1285 event pairs, 3 based on Foata normal form. 0/430 useless extension candidates. Maximal degree in co-relation 491. Up to 16 conditions per place. [2024-11-20 13:52:37,022 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 9 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-11-20 13:52:37,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 384 transitions, 814 flow [2024-11-20 13:52:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:37,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2024-11-20 13:52:37,027 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373549883990719 [2024-11-20 13:52:37,027 INFO L175 Difference]: Start difference. First operand has 391 places, 385 transitions, 794 flow. Second operand 3 states and 1212 transitions. [2024-11-20 13:52:37,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 384 transitions, 814 flow [2024-11-20 13:52:37,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 384 transitions, 794 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:52:37,036 INFO L231 Difference]: Finished difference. Result has 381 places, 384 transitions, 776 flow [2024-11-20 13:52:37,036 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=381, PETRI_TRANSITIONS=384} [2024-11-20 13:52:37,037 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -11 predicate places. [2024-11-20 13:52:37,037 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 384 transitions, 776 flow [2024-11-20 13:52:37,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 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) [2024-11-20 13:52:37,038 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:37,039 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] [2024-11-20 13:52:37,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:52:37,039 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:37,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:37,040 INFO L85 PathProgramCache]: Analyzing trace with hash 447164799, now seen corresponding path program 1 times [2024-11-20 13:52:37,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:37,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415454460] [2024-11-20 13:52:37,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:37,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:37,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:37,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415454460] [2024-11-20 13:52:37,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415454460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:37,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:37,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:37,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960061874] [2024-11-20 13:52:37,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:37,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:37,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:37,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:37,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:37,135 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 431 [2024-11-20 13:52:37,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 384 transitions, 776 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 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) [2024-11-20 13:52:37,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:37,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 431 [2024-11-20 13:52:37,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:37,215 INFO L124 PetriNetUnfolderBase]: 16/569 cut-off events. [2024-11-20 13:52:37,216 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-20 13:52:37,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 569 events. 16/569 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1486 event pairs, 3 based on Foata normal form. 0/495 useless extension candidates. Maximal degree in co-relation 527. Up to 18 conditions per place. [2024-11-20 13:52:37,221 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 9 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-11-20 13:52:37,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 383 transitions, 796 flow [2024-11-20 13:52:37,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:37,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:37,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2024-11-20 13:52:37,225 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373549883990719 [2024-11-20 13:52:37,225 INFO L175 Difference]: Start difference. First operand has 381 places, 384 transitions, 776 flow. Second operand 3 states and 1212 transitions. [2024-11-20 13:52:37,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 383 transitions, 796 flow [2024-11-20 13:52:37,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 383 transitions, 792 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:37,231 INFO L231 Difference]: Finished difference. Result has 380 places, 383 transitions, 774 flow [2024-11-20 13:52:37,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=774, PETRI_PLACES=380, PETRI_TRANSITIONS=383} [2024-11-20 13:52:37,233 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -12 predicate places. [2024-11-20 13:52:37,234 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 383 transitions, 774 flow [2024-11-20 13:52:37,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 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) [2024-11-20 13:52:37,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:37,236 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] [2024-11-20 13:52:37,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:52:37,236 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:37,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:37,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1028474618, now seen corresponding path program 1 times [2024-11-20 13:52:37,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:37,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339771751] [2024-11-20 13:52:37,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:37,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:37,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:37,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339771751] [2024-11-20 13:52:37,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339771751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:37,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:37,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:37,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543060058] [2024-11-20 13:52:37,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:37,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:37,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:37,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:37,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:37,311 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 431 [2024-11-20 13:52:37,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 383 transitions, 774 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 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) [2024-11-20 13:52:37,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:37,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 431 [2024-11-20 13:52:37,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:37,392 INFO L124 PetriNetUnfolderBase]: 15/584 cut-off events. [2024-11-20 13:52:37,393 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:52:37,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 584 events. 15/584 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1808 event pairs, 3 based on Foata normal form. 0/508 useless extension candidates. Maximal degree in co-relation 493. Up to 16 conditions per place. [2024-11-20 13:52:37,398 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 9 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2024-11-20 13:52:37,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 382 transitions, 794 flow [2024-11-20 13:52:37,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2024-11-20 13:52:37,402 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373549883990719 [2024-11-20 13:52:37,402 INFO L175 Difference]: Start difference. First operand has 380 places, 383 transitions, 774 flow. Second operand 3 states and 1212 transitions. [2024-11-20 13:52:37,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 382 transitions, 794 flow [2024-11-20 13:52:37,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 382 transitions, 790 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:37,408 INFO L231 Difference]: Finished difference. Result has 379 places, 382 transitions, 772 flow [2024-11-20 13:52:37,409 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=772, PETRI_PLACES=379, PETRI_TRANSITIONS=382} [2024-11-20 13:52:37,410 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -13 predicate places. [2024-11-20 13:52:37,411 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 382 transitions, 772 flow [2024-11-20 13:52:37,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 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) [2024-11-20 13:52:37,412 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:37,412 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:37,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:52:37,413 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:37,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:37,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1809473949, now seen corresponding path program 1 times [2024-11-20 13:52:37,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:37,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667439861] [2024-11-20 13:52:37,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:37,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:37,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:37,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:37,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667439861] [2024-11-20 13:52:37,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667439861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:37,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:37,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:37,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894608427] [2024-11-20 13:52:37,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:37,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:37,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:37,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:37,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:37,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 431 [2024-11-20 13:52:37,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 382 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 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) [2024-11-20 13:52:37,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:37,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 431 [2024-11-20 13:52:37,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:37,599 INFO L124 PetriNetUnfolderBase]: 15/586 cut-off events. [2024-11-20 13:52:37,600 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-20 13:52:37,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 586 events. 15/586 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1668 event pairs, 3 based on Foata normal form. 0/510 useless extension candidates. Maximal degree in co-relation 487. Up to 16 conditions per place. [2024-11-20 13:52:37,606 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 9 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2024-11-20 13:52:37,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 381 transitions, 792 flow [2024-11-20 13:52:37,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:37,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:37,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2024-11-20 13:52:37,610 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373549883990719 [2024-11-20 13:52:37,610 INFO L175 Difference]: Start difference. First operand has 379 places, 382 transitions, 772 flow. Second operand 3 states and 1212 transitions. [2024-11-20 13:52:37,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 381 transitions, 792 flow [2024-11-20 13:52:37,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 381 transitions, 788 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:37,617 INFO L231 Difference]: Finished difference. Result has 378 places, 381 transitions, 770 flow [2024-11-20 13:52:37,618 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=770, PETRI_PLACES=378, PETRI_TRANSITIONS=381} [2024-11-20 13:52:37,618 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -14 predicate places. [2024-11-20 13:52:37,619 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 381 transitions, 770 flow [2024-11-20 13:52:37,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 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) [2024-11-20 13:52:37,620 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:37,620 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] [2024-11-20 13:52:37,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:52:37,620 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:37,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:37,621 INFO L85 PathProgramCache]: Analyzing trace with hash -500375461, now seen corresponding path program 1 times [2024-11-20 13:52:37,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:37,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639141705] [2024-11-20 13:52:37,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:37,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:37,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:37,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639141705] [2024-11-20 13:52:37,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639141705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:37,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:37,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:37,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081385281] [2024-11-20 13:52:37,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:37,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:37,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:37,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:37,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:37,705 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 431 [2024-11-20 13:52:37,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 381 transitions, 770 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:37,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:37,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 431 [2024-11-20 13:52:37,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:37,798 INFO L124 PetriNetUnfolderBase]: 26/858 cut-off events. [2024-11-20 13:52:37,798 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-20 13:52:37,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 892 conditions, 858 events. 26/858 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3672 event pairs, 5 based on Foata normal form. 0/745 useless extension candidates. Maximal degree in co-relation 760. Up to 22 conditions per place. [2024-11-20 13:52:37,804 INFO L140 encePairwiseOnDemand]: 427/431 looper letters, 10 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2024-11-20 13:52:37,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 382 transitions, 797 flow [2024-11-20 13:52:37,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:37,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2024-11-20 13:52:37,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9435421500386698 [2024-11-20 13:52:37,807 INFO L175 Difference]: Start difference. First operand has 378 places, 381 transitions, 770 flow. Second operand 3 states and 1220 transitions. [2024-11-20 13:52:37,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 382 transitions, 797 flow [2024-11-20 13:52:37,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 382 transitions, 793 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:37,815 INFO L231 Difference]: Finished difference. Result has 377 places, 381 transitions, 776 flow [2024-11-20 13:52:37,816 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=377, PETRI_TRANSITIONS=381} [2024-11-20 13:52:37,817 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -15 predicate places. [2024-11-20 13:52:37,818 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 381 transitions, 776 flow [2024-11-20 13:52:37,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:37,819 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:37,819 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] [2024-11-20 13:52:37,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:52:37,820 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:37,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:37,820 INFO L85 PathProgramCache]: Analyzing trace with hash 461024467, now seen corresponding path program 1 times [2024-11-20 13:52:37,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:37,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895892723] [2024-11-20 13:52:37,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:37,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:37,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:37,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:37,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895892723] [2024-11-20 13:52:37,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895892723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:37,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:37,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:37,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654874546] [2024-11-20 13:52:37,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:37,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:37,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:37,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:37,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:37,875 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 431 [2024-11-20 13:52:37,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 381 transitions, 776 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 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) [2024-11-20 13:52:37,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:37,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 431 [2024-11-20 13:52:37,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:37,973 INFO L124 PetriNetUnfolderBase]: 27/835 cut-off events. [2024-11-20 13:52:37,973 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-20 13:52:37,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 874 conditions, 835 events. 27/835 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3872 event pairs, 3 based on Foata normal form. 0/731 useless extension candidates. Maximal degree in co-relation 642. Up to 22 conditions per place. [2024-11-20 13:52:37,980 INFO L140 encePairwiseOnDemand]: 427/431 looper letters, 10 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2024-11-20 13:52:37,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 382 transitions, 803 flow [2024-11-20 13:52:37,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:37,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2024-11-20 13:52:37,983 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9435421500386698 [2024-11-20 13:52:37,983 INFO L175 Difference]: Start difference. First operand has 377 places, 381 transitions, 776 flow. Second operand 3 states and 1220 transitions. [2024-11-20 13:52:37,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 382 transitions, 803 flow [2024-11-20 13:52:37,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 382 transitions, 803 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:52:37,989 INFO L231 Difference]: Finished difference. Result has 378 places, 381 transitions, 786 flow [2024-11-20 13:52:37,989 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=786, PETRI_PLACES=378, PETRI_TRANSITIONS=381} [2024-11-20 13:52:37,991 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -14 predicate places. [2024-11-20 13:52:37,991 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 381 transitions, 786 flow [2024-11-20 13:52:37,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 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) [2024-11-20 13:52:37,992 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:37,993 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] [2024-11-20 13:52:37,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:52:37,993 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:37,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:37,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1590061436, now seen corresponding path program 1 times [2024-11-20 13:52:37,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:37,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220365883] [2024-11-20 13:52:37,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:37,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:38,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:38,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220365883] [2024-11-20 13:52:38,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220365883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:38,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:38,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:38,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130922377] [2024-11-20 13:52:38,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:38,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:38,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:38,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:38,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:38,084 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 431 [2024-11-20 13:52:38,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 381 transitions, 786 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 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) [2024-11-20 13:52:38,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:38,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 431 [2024-11-20 13:52:38,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:38,160 INFO L124 PetriNetUnfolderBase]: 25/649 cut-off events. [2024-11-20 13:52:38,160 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:52:38,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 649 events. 25/649 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2503 event pairs, 6 based on Foata normal form. 0/575 useless extension candidates. Maximal degree in co-relation 484. Up to 33 conditions per place. [2024-11-20 13:52:38,166 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 14 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2024-11-20 13:52:38,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 381 transitions, 819 flow [2024-11-20 13:52:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:38,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:38,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1208 transitions. [2024-11-20 13:52:38,169 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.934261407579273 [2024-11-20 13:52:38,169 INFO L175 Difference]: Start difference. First operand has 378 places, 381 transitions, 786 flow. Second operand 3 states and 1208 transitions. [2024-11-20 13:52:38,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 381 transitions, 819 flow [2024-11-20 13:52:38,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 381 transitions, 819 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:52:38,175 INFO L231 Difference]: Finished difference. Result has 379 places, 380 transitions, 788 flow [2024-11-20 13:52:38,175 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=379, PETRI_TRANSITIONS=380} [2024-11-20 13:52:38,178 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -13 predicate places. [2024-11-20 13:52:38,178 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 380 transitions, 788 flow [2024-11-20 13:52:38,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 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) [2024-11-20 13:52:38,179 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:38,179 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:38,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 13:52:38,179 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:38,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:38,181 INFO L85 PathProgramCache]: Analyzing trace with hash 665560201, now seen corresponding path program 1 times [2024-11-20 13:52:38,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:38,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451689018] [2024-11-20 13:52:38,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:38,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:38,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:38,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451689018] [2024-11-20 13:52:38,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451689018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:38,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:38,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:38,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337467345] [2024-11-20 13:52:38,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:38,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:38,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:38,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:38,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:38,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 431 [2024-11-20 13:52:38,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 380 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:38,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:38,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 431 [2024-11-20 13:52:38,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:38,391 INFO L124 PetriNetUnfolderBase]: 43/1091 cut-off events. [2024-11-20 13:52:38,391 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-20 13:52:38,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1163 conditions, 1091 events. 43/1091 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5205 event pairs, 2 based on Foata normal form. 0/948 useless extension candidates. Maximal degree in co-relation 898. Up to 41 conditions per place. [2024-11-20 13:52:38,398 INFO L140 encePairwiseOnDemand]: 427/431 looper letters, 12 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-11-20 13:52:38,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 383 transitions, 825 flow [2024-11-20 13:52:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:38,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1222 transitions. [2024-11-20 13:52:38,402 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9450889404485692 [2024-11-20 13:52:38,402 INFO L175 Difference]: Start difference. First operand has 379 places, 380 transitions, 788 flow. Second operand 3 states and 1222 transitions. [2024-11-20 13:52:38,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 383 transitions, 825 flow [2024-11-20 13:52:38,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 383 transitions, 821 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:38,409 INFO L231 Difference]: Finished difference. Result has 378 places, 380 transitions, 794 flow [2024-11-20 13:52:38,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=378, PETRI_TRANSITIONS=380} [2024-11-20 13:52:38,410 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -14 predicate places. [2024-11-20 13:52:38,410 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 380 transitions, 794 flow [2024-11-20 13:52:38,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:38,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:38,411 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] [2024-11-20 13:52:38,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 13:52:38,412 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:38,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:38,412 INFO L85 PathProgramCache]: Analyzing trace with hash -842438428, now seen corresponding path program 1 times [2024-11-20 13:52:38,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:38,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746777001] [2024-11-20 13:52:38,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:38,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:38,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:38,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746777001] [2024-11-20 13:52:38,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746777001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:38,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:38,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:38,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502501812] [2024-11-20 13:52:38,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:38,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:38,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:38,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:38,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:38,501 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-20 13:52:38,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 380 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 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) [2024-11-20 13:52:38,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:38,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-20 13:52:38,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:38,628 INFO L124 PetriNetUnfolderBase]: 45/1032 cut-off events. [2024-11-20 13:52:38,629 INFO L125 PetriNetUnfolderBase]: For 6/18 co-relation queries the response was YES. [2024-11-20 13:52:38,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1152 conditions, 1032 events. 45/1032 cut-off events. For 6/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4379 event pairs, 5 based on Foata normal form. 2/919 useless extension candidates. Maximal degree in co-relation 888. Up to 36 conditions per place. [2024-11-20 13:52:38,639 INFO L140 encePairwiseOnDemand]: 421/431 looper letters, 16 selfloop transitions, 5 changer transitions 0/379 dead transitions. [2024-11-20 13:52:38,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 379 transitions, 835 flow [2024-11-20 13:52:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:38,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:38,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1199 transitions. [2024-11-20 13:52:38,642 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9273008507347255 [2024-11-20 13:52:38,642 INFO L175 Difference]: Start difference. First operand has 378 places, 380 transitions, 794 flow. Second operand 3 states and 1199 transitions. [2024-11-20 13:52:38,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 379 transitions, 835 flow [2024-11-20 13:52:38,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 379 transitions, 835 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:52:38,649 INFO L231 Difference]: Finished difference. Result has 377 places, 378 transitions, 816 flow [2024-11-20 13:52:38,650 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=377, PETRI_TRANSITIONS=378} [2024-11-20 13:52:38,650 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -15 predicate places. [2024-11-20 13:52:38,650 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 378 transitions, 816 flow [2024-11-20 13:52:38,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 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) [2024-11-20 13:52:38,651 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:38,652 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] [2024-11-20 13:52:38,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 13:52:38,652 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:38,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:38,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1804653164, now seen corresponding path program 1 times [2024-11-20 13:52:38,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:38,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300310998] [2024-11-20 13:52:38,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:38,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:38,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:38,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300310998] [2024-11-20 13:52:38,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300310998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:38,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:38,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:38,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521432492] [2024-11-20 13:52:38,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:38,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:38,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:38,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:38,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:38,737 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 431 [2024-11-20 13:52:38,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 378 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 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) [2024-11-20 13:52:38,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:38,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 431 [2024-11-20 13:52:38,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:38,880 INFO L124 PetriNetUnfolderBase]: 50/1066 cut-off events. [2024-11-20 13:52:38,880 INFO L125 PetriNetUnfolderBase]: For 38/40 co-relation queries the response was YES. [2024-11-20 13:52:38,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1214 conditions, 1066 events. 50/1066 cut-off events. For 38/40 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4818 event pairs, 11 based on Foata normal form. 0/935 useless extension candidates. Maximal degree in co-relation 939. Up to 65 conditions per place. [2024-11-20 13:52:38,890 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 14 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2024-11-20 13:52:38,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 378 transitions, 849 flow [2024-11-20 13:52:38,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:38,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:38,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1208 transitions. [2024-11-20 13:52:38,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.934261407579273 [2024-11-20 13:52:38,893 INFO L175 Difference]: Start difference. First operand has 377 places, 378 transitions, 816 flow. Second operand 3 states and 1208 transitions. [2024-11-20 13:52:38,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 378 transitions, 849 flow [2024-11-20 13:52:38,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 378 transitions, 839 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:38,900 INFO L231 Difference]: Finished difference. Result has 376 places, 377 transitions, 808 flow [2024-11-20 13:52:38,900 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=808, PETRI_PLACES=376, PETRI_TRANSITIONS=377} [2024-11-20 13:52:38,902 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -16 predicate places. [2024-11-20 13:52:38,902 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 377 transitions, 808 flow [2024-11-20 13:52:38,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 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) [2024-11-20 13:52:38,903 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:38,903 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:38,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 13:52:38,904 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:38,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:38,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1558680784, now seen corresponding path program 1 times [2024-11-20 13:52:38,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:38,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929377889] [2024-11-20 13:52:38,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:38,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:38,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:38,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929377889] [2024-11-20 13:52:38,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929377889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:38,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:38,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 13:52:38,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59091623] [2024-11-20 13:52:38,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:38,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 13:52:38,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:38,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 13:52:38,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 13:52:39,047 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 431 [2024-11-20 13:52:39,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 377 transitions, 808 flow. Second operand has 4 states, 4 states have (on average 402.25) internal successors, (1609), 4 states have internal predecessors, (1609), 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) [2024-11-20 13:52:39,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:39,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 431 [2024-11-20 13:52:39,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:39,227 INFO L124 PetriNetUnfolderBase]: 46/1176 cut-off events. [2024-11-20 13:52:39,227 INFO L125 PetriNetUnfolderBase]: For 9/31 co-relation queries the response was YES. [2024-11-20 13:52:39,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1332 conditions, 1176 events. 46/1176 cut-off events. For 9/31 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5462 event pairs, 7 based on Foata normal form. 3/1052 useless extension candidates. Maximal degree in co-relation 1065. Up to 34 conditions per place. [2024-11-20 13:52:39,236 INFO L140 encePairwiseOnDemand]: 426/431 looper letters, 20 selfloop transitions, 4 changer transitions 0/388 dead transitions. [2024-11-20 13:52:39,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 388 transitions, 883 flow [2024-11-20 13:52:39,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 13:52:39,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 13:52:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2030 transitions. [2024-11-20 13:52:39,240 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419953596287703 [2024-11-20 13:52:39,240 INFO L175 Difference]: Start difference. First operand has 376 places, 377 transitions, 808 flow. Second operand 5 states and 2030 transitions. [2024-11-20 13:52:39,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 388 transitions, 883 flow [2024-11-20 13:52:39,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 388 transitions, 879 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:39,248 INFO L231 Difference]: Finished difference. Result has 381 places, 379 transitions, 829 flow [2024-11-20 13:52:39,248 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=829, PETRI_PLACES=381, PETRI_TRANSITIONS=379} [2024-11-20 13:52:39,249 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -11 predicate places. [2024-11-20 13:52:39,250 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 379 transitions, 829 flow [2024-11-20 13:52:39,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 402.25) internal successors, (1609), 4 states have internal predecessors, (1609), 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) [2024-11-20 13:52:39,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:39,251 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] [2024-11-20 13:52:39,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 13:52:39,251 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:39,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:39,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1608634157, now seen corresponding path program 1 times [2024-11-20 13:52:39,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:39,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158687143] [2024-11-20 13:52:39,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:39,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:39,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:39,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:39,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158687143] [2024-11-20 13:52:39,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158687143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:39,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:39,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:39,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680576008] [2024-11-20 13:52:39,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:39,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:39,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:39,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:39,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:39,337 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 431 [2024-11-20 13:52:39,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 379 transitions, 829 flow. Second operand has 3 states, 3 states have (on average 399.0) internal successors, (1197), 3 states have internal predecessors, (1197), 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) [2024-11-20 13:52:39,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:39,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 431 [2024-11-20 13:52:39,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:39,485 INFO L124 PetriNetUnfolderBase]: 57/1123 cut-off events. [2024-11-20 13:52:39,485 INFO L125 PetriNetUnfolderBase]: For 34/67 co-relation queries the response was YES. [2024-11-20 13:52:39,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1350 conditions, 1123 events. 57/1123 cut-off events. For 34/67 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5100 event pairs, 14 based on Foata normal form. 2/1018 useless extension candidates. Maximal degree in co-relation 1083. Up to 79 conditions per place. [2024-11-20 13:52:39,497 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 16 selfloop transitions, 2 changer transitions 0/379 dead transitions. [2024-11-20 13:52:39,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 379 transitions, 866 flow [2024-11-20 13:52:39,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:39,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1208 transitions. [2024-11-20 13:52:39,500 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.934261407579273 [2024-11-20 13:52:39,500 INFO L175 Difference]: Start difference. First operand has 381 places, 379 transitions, 829 flow. Second operand 3 states and 1208 transitions. [2024-11-20 13:52:39,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 379 transitions, 866 flow [2024-11-20 13:52:39,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 379 transitions, 866 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:52:39,506 INFO L231 Difference]: Finished difference. Result has 382 places, 378 transitions, 831 flow [2024-11-20 13:52:39,507 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=831, PETRI_PLACES=382, PETRI_TRANSITIONS=378} [2024-11-20 13:52:39,508 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -10 predicate places. [2024-11-20 13:52:39,508 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 378 transitions, 831 flow [2024-11-20 13:52:39,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.0) internal successors, (1197), 3 states have internal predecessors, (1197), 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) [2024-11-20 13:52:39,509 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:39,509 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] [2024-11-20 13:52:39,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 13:52:39,509 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:39,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:39,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1805413938, now seen corresponding path program 1 times [2024-11-20 13:52:39,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:39,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567460954] [2024-11-20 13:52:39,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:39,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:39,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:39,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567460954] [2024-11-20 13:52:39,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567460954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:39,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:39,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:52:39,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369099580] [2024-11-20 13:52:39,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:39,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 13:52:39,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:39,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 13:52:39,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 13:52:39,692 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-20 13:52:39,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 378 transitions, 831 flow. Second operand has 5 states, 5 states have (on average 394.4) internal successors, (1972), 5 states have internal predecessors, (1972), 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) [2024-11-20 13:52:39,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:39,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-20 13:52:39,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:39,896 INFO L124 PetriNetUnfolderBase]: 28/1064 cut-off events. [2024-11-20 13:52:39,897 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-20 13:52:39,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1198 conditions, 1064 events. 28/1064 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4315 event pairs, 1 based on Foata normal form. 2/966 useless extension candidates. Maximal degree in co-relation 987. Up to 17 conditions per place. [2024-11-20 13:52:39,913 INFO L140 encePairwiseOnDemand]: 417/431 looper letters, 12 selfloop transitions, 12 changer transitions 0/380 dead transitions. [2024-11-20 13:52:39,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 380 transitions, 883 flow [2024-11-20 13:52:39,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 13:52:39,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 13:52:39,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1981 transitions. [2024-11-20 13:52:39,918 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9192575406032483 [2024-11-20 13:52:39,918 INFO L175 Difference]: Start difference. First operand has 382 places, 378 transitions, 831 flow. Second operand 5 states and 1981 transitions. [2024-11-20 13:52:39,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 380 transitions, 883 flow [2024-11-20 13:52:39,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 380 transitions, 879 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:39,924 INFO L231 Difference]: Finished difference. Result has 385 places, 380 transitions, 867 flow [2024-11-20 13:52:39,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=867, PETRI_PLACES=385, PETRI_TRANSITIONS=380} [2024-11-20 13:52:39,926 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -7 predicate places. [2024-11-20 13:52:39,926 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 380 transitions, 867 flow [2024-11-20 13:52:39,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 394.4) internal successors, (1972), 5 states have internal predecessors, (1972), 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) [2024-11-20 13:52:39,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:39,928 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] [2024-11-20 13:52:39,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 13:52:39,928 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:39,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:39,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1143069234, now seen corresponding path program 1 times [2024-11-20 13:52:39,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:39,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857572992] [2024-11-20 13:52:39,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:39,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:40,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 13:52:40,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:40,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857572992] [2024-11-20 13:52:40,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857572992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 13:52:40,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928301371] [2024-11-20 13:52:40,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:40,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:52:40,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:52:40,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 13:52:40,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 13:52:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:40,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 13:52:40,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 13:52:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 13:52:40,400 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 13:52:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 13:52:40,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928301371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 13:52:40,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 13:52:40,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-20 13:52:40,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749173757] [2024-11-20 13:52:40,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 13:52:40,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 13:52:40,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:40,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 13:52:40,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-20 13:52:41,012 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 431 [2024-11-20 13:52:41,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 380 transitions, 867 flow. Second operand has 15 states, 15 states have (on average 387.6666666666667) internal successors, (5815), 15 states have internal predecessors, (5815), 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) [2024-11-20 13:52:41,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:41,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 431 [2024-11-20 13:52:41,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:41,355 INFO L124 PetriNetUnfolderBase]: 28/1098 cut-off events. [2024-11-20 13:52:41,356 INFO L125 PetriNetUnfolderBase]: For 23/31 co-relation queries the response was YES. [2024-11-20 13:52:41,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 1098 events. 28/1098 cut-off events. For 23/31 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4258 event pairs, 1 based on Foata normal form. 4/1002 useless extension candidates. Maximal degree in co-relation 1059. Up to 17 conditions per place. [2024-11-20 13:52:41,367 INFO L140 encePairwiseOnDemand]: 411/431 looper letters, 20 selfloop transitions, 26 changer transitions 0/396 dead transitions. [2024-11-20 13:52:41,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 396 transitions, 995 flow [2024-11-20 13:52:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 13:52:41,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-20 13:52:41,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4285 transitions. [2024-11-20 13:52:41,376 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9038177599662518 [2024-11-20 13:52:41,376 INFO L175 Difference]: Start difference. First operand has 385 places, 380 transitions, 867 flow. Second operand 11 states and 4285 transitions. [2024-11-20 13:52:41,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 396 transitions, 995 flow [2024-11-20 13:52:41,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 396 transitions, 975 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 13:52:41,384 INFO L231 Difference]: Finished difference. Result has 395 places, 392 transitions, 967 flow [2024-11-20 13:52:41,385 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=847, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=967, PETRI_PLACES=395, PETRI_TRANSITIONS=392} [2024-11-20 13:52:41,386 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, 3 predicate places. [2024-11-20 13:52:41,387 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 392 transitions, 967 flow [2024-11-20 13:52:41,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 387.6666666666667) internal successors, (5815), 15 states have internal predecessors, (5815), 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) [2024-11-20 13:52:41,390 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:41,391 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:41,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 13:52:41,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-20 13:52:41,596 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:41,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:41,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1517401266, now seen corresponding path program 2 times [2024-11-20 13:52:41,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:41,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195680748] [2024-11-20 13:52:41,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:41,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 13:52:41,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:41,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195680748] [2024-11-20 13:52:41,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195680748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 13:52:41,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633354307] [2024-11-20 13:52:41,903 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 13:52:41,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:52:41,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:52:41,906 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 13:52:41,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 13:52:42,011 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 13:52:42,011 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 13:52:42,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 13:52:42,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 13:52:42,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-20 13:52:42,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-20 13:52:42,101 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 13:52:42,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-20 13:52:42,135 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 13:52:42,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-20 13:52:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-20 13:52:42,167 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 13:52:42,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633354307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:42,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 13:52:42,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-20 13:52:42,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954835574] [2024-11-20 13:52:42,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:42,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:52:42,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:42,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:52:42,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-20 13:52:42,420 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-20 13:52:42,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 392 transitions, 967 flow. Second operand has 6 states, 6 states have (on average 393.8333333333333) internal successors, (2363), 6 states have internal predecessors, (2363), 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) [2024-11-20 13:52:42,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:42,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-20 13:52:42,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:42,639 INFO L124 PetriNetUnfolderBase]: 43/1221 cut-off events. [2024-11-20 13:52:42,640 INFO L125 PetriNetUnfolderBase]: For 42/63 co-relation queries the response was YES. [2024-11-20 13:52:42,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1487 conditions, 1221 events. 43/1221 cut-off events. For 42/63 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5297 event pairs, 3 based on Foata normal form. 4/1118 useless extension candidates. Maximal degree in co-relation 1280. Up to 52 conditions per place. [2024-11-20 13:52:42,651 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 20 selfloop transitions, 6 changer transitions 0/395 dead transitions. [2024-11-20 13:52:42,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 395 transitions, 1029 flow [2024-11-20 13:52:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:52:42,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:52:42,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2372 transitions. [2024-11-20 13:52:42,657 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.917246713070379 [2024-11-20 13:52:42,657 INFO L175 Difference]: Start difference. First operand has 395 places, 392 transitions, 967 flow. Second operand 6 states and 2372 transitions. [2024-11-20 13:52:42,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 395 transitions, 1029 flow [2024-11-20 13:52:42,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 395 transitions, 1005 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-20 13:52:42,664 INFO L231 Difference]: Finished difference. Result has 396 places, 391 transitions, 953 flow [2024-11-20 13:52:42,665 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=941, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=953, PETRI_PLACES=396, PETRI_TRANSITIONS=391} [2024-11-20 13:52:42,665 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, 4 predicate places. [2024-11-20 13:52:42,666 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 391 transitions, 953 flow [2024-11-20 13:52:42,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 393.8333333333333) internal successors, (2363), 6 states have internal predecessors, (2363), 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) [2024-11-20 13:52:42,667 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:42,667 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:42,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 13:52:42,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-20 13:52:42,872 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:42,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:42,872 INFO L85 PathProgramCache]: Analyzing trace with hash -628517603, now seen corresponding path program 1 times [2024-11-20 13:52:42,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:42,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462096332] [2024-11-20 13:52:42,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:42,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:42,951 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-20 13:52:42,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:42,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462096332] [2024-11-20 13:52:42,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462096332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:42,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:42,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:42,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705230196] [2024-11-20 13:52:42,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:42,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:42,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:42,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:42,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:42,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 431 [2024-11-20 13:52:42,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 391 transitions, 953 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 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) [2024-11-20 13:52:42,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:42,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 431 [2024-11-20 13:52:42,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:43,260 INFO L124 PetriNetUnfolderBase]: 62/1648 cut-off events. [2024-11-20 13:52:43,261 INFO L125 PetriNetUnfolderBase]: For 47/54 co-relation queries the response was YES. [2024-11-20 13:52:43,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1960 conditions, 1648 events. 62/1648 cut-off events. For 47/54 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 9020 event pairs, 7 based on Foata normal form. 0/1512 useless extension candidates. Maximal degree in co-relation 1738. Up to 76 conditions per place. [2024-11-20 13:52:43,274 INFO L140 encePairwiseOnDemand]: 427/431 looper letters, 12 selfloop transitions, 2 changer transitions 0/394 dead transitions. [2024-11-20 13:52:43,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 394 transitions, 990 flow [2024-11-20 13:52:43,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:43,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1222 transitions. [2024-11-20 13:52:43,278 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9450889404485692 [2024-11-20 13:52:43,278 INFO L175 Difference]: Start difference. First operand has 396 places, 391 transitions, 953 flow. Second operand 3 states and 1222 transitions. [2024-11-20 13:52:43,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 394 transitions, 990 flow [2024-11-20 13:52:43,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 394 transitions, 978 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:52:43,286 INFO L231 Difference]: Finished difference. Result has 392 places, 391 transitions, 951 flow [2024-11-20 13:52:43,287 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=951, PETRI_PLACES=392, PETRI_TRANSITIONS=391} [2024-11-20 13:52:43,287 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, 0 predicate places. [2024-11-20 13:52:43,287 INFO L471 AbstractCegarLoop]: Abstraction has has 392 places, 391 transitions, 951 flow [2024-11-20 13:52:43,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 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) [2024-11-20 13:52:43,288 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:43,288 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:43,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 13:52:43,289 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:43,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:43,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1990822712, now seen corresponding path program 1 times [2024-11-20 13:52:43,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:43,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338992986] [2024-11-20 13:52:43,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:43,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-20 13:52:43,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:43,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338992986] [2024-11-20 13:52:43,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338992986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:43,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:43,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:43,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494221330] [2024-11-20 13:52:43,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:43,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:43,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:43,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:43,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:43,404 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-20 13:52:43,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 391 transitions, 951 flow. Second operand has 3 states, 3 states have (on average 392.6666666666667) internal successors, (1178), 3 states have internal predecessors, (1178), 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) [2024-11-20 13:52:43,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:43,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-20 13:52:43,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:43,752 INFO L124 PetriNetUnfolderBase]: 84/1913 cut-off events. [2024-11-20 13:52:43,752 INFO L125 PetriNetUnfolderBase]: For 58/61 co-relation queries the response was YES. [2024-11-20 13:52:43,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2263 conditions, 1913 events. 84/1913 cut-off events. For 58/61 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 10831 event pairs, 15 based on Foata normal form. 4/1762 useless extension candidates. Maximal degree in co-relation 2041. Up to 84 conditions per place. [2024-11-20 13:52:43,766 INFO L140 encePairwiseOnDemand]: 419/431 looper letters, 10 selfloop transitions, 4 changer transitions 38/392 dead transitions. [2024-11-20 13:52:43,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 392 transitions, 998 flow [2024-11-20 13:52:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:43,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:43,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions. [2024-11-20 13:52:43,769 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9280742459396751 [2024-11-20 13:52:43,769 INFO L175 Difference]: Start difference. First operand has 392 places, 391 transitions, 951 flow. Second operand 3 states and 1200 transitions. [2024-11-20 13:52:43,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 392 transitions, 998 flow [2024-11-20 13:52:43,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 392 transitions, 998 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:52:43,777 INFO L231 Difference]: Finished difference. Result has 391 places, 353 transitions, 894 flow [2024-11-20 13:52:43,777 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=941, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=391, PETRI_TRANSITIONS=353} [2024-11-20 13:52:43,778 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -1 predicate places. [2024-11-20 13:52:43,778 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 353 transitions, 894 flow [2024-11-20 13:52:43,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.6666666666667) internal successors, (1178), 3 states have internal predecessors, (1178), 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) [2024-11-20 13:52:43,778 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:43,779 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:43,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 13:52:43,779 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:43,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:43,780 INFO L85 PathProgramCache]: Analyzing trace with hash -573256764, now seen corresponding path program 1 times [2024-11-20 13:52:43,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:43,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134993629] [2024-11-20 13:52:43,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:43,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-20 13:52:43,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:43,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134993629] [2024-11-20 13:52:43,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134993629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:43,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:43,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 13:52:43,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472885005] [2024-11-20 13:52:43,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:43,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 13:52:43,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:43,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 13:52:43,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 13:52:43,979 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 431 [2024-11-20 13:52:43,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 353 transitions, 894 flow. Second operand has 4 states, 4 states have (on average 402.5) internal successors, (1610), 4 states have internal predecessors, (1610), 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) [2024-11-20 13:52:43,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:43,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 431 [2024-11-20 13:52:43,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:44,296 INFO L124 PetriNetUnfolderBase]: 64/1697 cut-off events. [2024-11-20 13:52:44,297 INFO L125 PetriNetUnfolderBase]: For 99/102 co-relation queries the response was YES. [2024-11-20 13:52:44,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2118 conditions, 1697 events. 64/1697 cut-off events. For 99/102 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 9986 event pairs, 25 based on Foata normal form. 0/1555 useless extension candidates. Maximal degree in co-relation 1894. Up to 76 conditions per place. [2024-11-20 13:52:44,308 INFO L140 encePairwiseOnDemand]: 426/431 looper letters, 15 selfloop transitions, 4 changer transitions 0/360 dead transitions. [2024-11-20 13:52:44,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 360 transitions, 947 flow [2024-11-20 13:52:44,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 13:52:44,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 13:52:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2025 transitions. [2024-11-20 13:52:44,312 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9396751740139211 [2024-11-20 13:52:44,313 INFO L175 Difference]: Start difference. First operand has 391 places, 353 transitions, 894 flow. Second operand 5 states and 2025 transitions. [2024-11-20 13:52:44,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 360 transitions, 947 flow [2024-11-20 13:52:44,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 360 transitions, 939 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:44,319 INFO L231 Difference]: Finished difference. Result has 362 places, 355 transitions, 911 flow [2024-11-20 13:52:44,320 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=911, PETRI_PLACES=362, PETRI_TRANSITIONS=355} [2024-11-20 13:52:44,320 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -30 predicate places. [2024-11-20 13:52:44,321 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 355 transitions, 911 flow [2024-11-20 13:52:44,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 402.5) internal successors, (1610), 4 states have internal predecessors, (1610), 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) [2024-11-20 13:52:44,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:44,326 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:44,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 13:52:44,326 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:44,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:44,327 INFO L85 PathProgramCache]: Analyzing trace with hash 491047271, now seen corresponding path program 1 times [2024-11-20 13:52:44,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:44,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14988547] [2024-11-20 13:52:44,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:44,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:44,404 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-20 13:52:44,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:44,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14988547] [2024-11-20 13:52:44,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14988547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:44,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:44,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:44,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347186867] [2024-11-20 13:52:44,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:44,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:44,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:44,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:44,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:44,439 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 431 [2024-11-20 13:52:44,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 355 transitions, 911 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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) [2024-11-20 13:52:44,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:44,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 431 [2024-11-20 13:52:44,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:44,732 INFO L124 PetriNetUnfolderBase]: 85/1728 cut-off events. [2024-11-20 13:52:44,732 INFO L125 PetriNetUnfolderBase]: For 133/136 co-relation queries the response was YES. [2024-11-20 13:52:44,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2255 conditions, 1728 events. 85/1728 cut-off events. For 133/136 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 11014 event pairs, 46 based on Foata normal form. 0/1601 useless extension candidates. Maximal degree in co-relation 2029. Up to 135 conditions per place. [2024-11-20 13:52:44,780 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 11 selfloop transitions, 2 changer transitions 1/355 dead transitions. [2024-11-20 13:52:44,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 355 transitions, 940 flow [2024-11-20 13:52:44,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:44,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1204 transitions. [2024-11-20 13:52:44,783 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9311678267594741 [2024-11-20 13:52:44,783 INFO L175 Difference]: Start difference. First operand has 362 places, 355 transitions, 911 flow. Second operand 3 states and 1204 transitions. [2024-11-20 13:52:44,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 355 transitions, 940 flow [2024-11-20 13:52:44,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 355 transitions, 940 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:52:44,790 INFO L231 Difference]: Finished difference. Result has 363 places, 354 transitions, 913 flow [2024-11-20 13:52:44,790 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=913, PETRI_PLACES=363, PETRI_TRANSITIONS=354} [2024-11-20 13:52:44,791 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -29 predicate places. [2024-11-20 13:52:44,791 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 354 transitions, 913 flow [2024-11-20 13:52:44,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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) [2024-11-20 13:52:44,791 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:44,791 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:44,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 13:52:44,792 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:44,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:44,792 INFO L85 PathProgramCache]: Analyzing trace with hash -389871930, now seen corresponding path program 1 times [2024-11-20 13:52:44,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:44,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294262782] [2024-11-20 13:52:44,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:44,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:45,069 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 13:52:45,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:45,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294262782] [2024-11-20 13:52:45,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294262782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 13:52:45,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540261555] [2024-11-20 13:52:45,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:45,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:52:45,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:52:45,073 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 13:52:45,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 13:52:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:45,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 13:52:45,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 13:52:45,517 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 13:52:45,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 13:52:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 13:52:45,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540261555] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 13:52:45,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 13:52:45,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-20 13:52:45,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807447015] [2024-11-20 13:52:45,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 13:52:45,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-20 13:52:45,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:45,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-20 13:52:45,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-20 13:52:46,351 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 431 [2024-11-20 13:52:46,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 354 transitions, 913 flow. Second operand has 22 states, 22 states have (on average 387.59090909090907) internal successors, (8527), 22 states have internal predecessors, (8527), 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) [2024-11-20 13:52:46,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:46,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 431 [2024-11-20 13:52:46,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:46,960 INFO L124 PetriNetUnfolderBase]: 21/1438 cut-off events. [2024-11-20 13:52:46,960 INFO L125 PetriNetUnfolderBase]: For 68/71 co-relation queries the response was YES. [2024-11-20 13:52:46,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1817 conditions, 1438 events. 21/1438 cut-off events. For 68/71 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 5737 event pairs, 5 based on Foata normal form. 4/1367 useless extension candidates. Maximal degree in co-relation 1708. Up to 19 conditions per place. [2024-11-20 13:52:46,975 INFO L140 encePairwiseOnDemand]: 411/431 looper letters, 23 selfloop transitions, 38 changer transitions 0/374 dead transitions. [2024-11-20 13:52:46,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 374 transitions, 1131 flow [2024-11-20 13:52:46,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 13:52:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-20 13:52:46,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 6610 transitions. [2024-11-20 13:52:46,988 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9021427596560666 [2024-11-20 13:52:46,988 INFO L175 Difference]: Start difference. First operand has 363 places, 354 transitions, 913 flow. Second operand 17 states and 6610 transitions. [2024-11-20 13:52:46,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 374 transitions, 1131 flow [2024-11-20 13:52:46,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 374 transitions, 1127 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:46,996 INFO L231 Difference]: Finished difference. Result has 380 places, 368 transitions, 1093 flow [2024-11-20 13:52:46,996 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1093, PETRI_PLACES=380, PETRI_TRANSITIONS=368} [2024-11-20 13:52:46,997 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -12 predicate places. [2024-11-20 13:52:46,997 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 368 transitions, 1093 flow [2024-11-20 13:52:46,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 387.59090909090907) internal successors, (8527), 22 states have internal predecessors, (8527), 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) [2024-11-20 13:52:46,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:47,000 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:47,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 13:52:47,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:52:47,201 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:47,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:47,202 INFO L85 PathProgramCache]: Analyzing trace with hash -2128024506, now seen corresponding path program 2 times [2024-11-20 13:52:47,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:47,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784469446] [2024-11-20 13:52:47,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:47,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-20 13:52:48,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:48,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784469446] [2024-11-20 13:52:48,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784469446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:48,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:48,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:52:48,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787818167] [2024-11-20 13:52:48,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:48,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:52:48,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:48,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:52:48,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:52:48,268 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-20 13:52:48,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 368 transitions, 1093 flow. Second operand has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 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) [2024-11-20 13:52:48,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:48,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-20 13:52:48,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:48,612 INFO L124 PetriNetUnfolderBase]: 64/1911 cut-off events. [2024-11-20 13:52:48,612 INFO L125 PetriNetUnfolderBase]: For 147/150 co-relation queries the response was YES. [2024-11-20 13:52:48,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2504 conditions, 1911 events. 64/1911 cut-off events. For 147/150 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10068 event pairs, 13 based on Foata normal form. 0/1807 useless extension candidates. Maximal degree in co-relation 2308. Up to 80 conditions per place. [2024-11-20 13:52:48,626 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 19 selfloop transitions, 6 changer transitions 0/371 dead transitions. [2024-11-20 13:52:48,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 371 transitions, 1153 flow [2024-11-20 13:52:48,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:52:48,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:52:48,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2371 transitions. [2024-11-20 13:52:48,631 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9168600154679041 [2024-11-20 13:52:48,631 INFO L175 Difference]: Start difference. First operand has 380 places, 368 transitions, 1093 flow. Second operand 6 states and 2371 transitions. [2024-11-20 13:52:48,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 371 transitions, 1153 flow [2024-11-20 13:52:48,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 371 transitions, 1101 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-20 13:52:48,639 INFO L231 Difference]: Finished difference. Result has 376 places, 367 transitions, 1051 flow [2024-11-20 13:52:48,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1051, PETRI_PLACES=376, PETRI_TRANSITIONS=367} [2024-11-20 13:52:48,640 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -16 predicate places. [2024-11-20 13:52:48,640 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 367 transitions, 1051 flow [2024-11-20 13:52:48,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 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) [2024-11-20 13:52:48,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:48,641 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:48,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-20 13:52:48,642 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:48,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:48,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1342048501, now seen corresponding path program 1 times [2024-11-20 13:52:48,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:48,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810501432] [2024-11-20 13:52:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:48,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:49,326 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-20 13:52:49,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:49,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810501432] [2024-11-20 13:52:49,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810501432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:49,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:49,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:52:49,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398760156] [2024-11-20 13:52:49,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:49,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:52:49,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:49,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:52:49,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:52:49,587 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-20 13:52:49,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 367 transitions, 1051 flow. Second operand has 6 states, 6 states have (on average 393.8333333333333) internal successors, (2363), 6 states have internal predecessors, (2363), 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) [2024-11-20 13:52:49,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:49,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-20 13:52:49,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:49,821 INFO L124 PetriNetUnfolderBase]: 36/1532 cut-off events. [2024-11-20 13:52:49,821 INFO L125 PetriNetUnfolderBase]: For 113/116 co-relation queries the response was YES. [2024-11-20 13:52:49,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2038 conditions, 1532 events. 36/1532 cut-off events. For 113/116 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6504 event pairs, 7 based on Foata normal form. 0/1461 useless extension candidates. Maximal degree in co-relation 1932. Up to 70 conditions per place. [2024-11-20 13:52:49,833 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 19 selfloop transitions, 6 changer transitions 0/370 dead transitions. [2024-11-20 13:52:49,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 370 transitions, 1111 flow [2024-11-20 13:52:49,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:52:49,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:52:49,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2371 transitions. [2024-11-20 13:52:49,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9168600154679041 [2024-11-20 13:52:49,837 INFO L175 Difference]: Start difference. First operand has 376 places, 367 transitions, 1051 flow. Second operand 6 states and 2371 transitions. [2024-11-20 13:52:49,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 370 transitions, 1111 flow [2024-11-20 13:52:49,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 370 transitions, 1099 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:52:49,845 INFO L231 Difference]: Finished difference. Result has 375 places, 366 transitions, 1049 flow [2024-11-20 13:52:49,847 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1049, PETRI_PLACES=375, PETRI_TRANSITIONS=366} [2024-11-20 13:52:49,847 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -17 predicate places. [2024-11-20 13:52:49,847 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 366 transitions, 1049 flow [2024-11-20 13:52:49,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 393.8333333333333) internal successors, (2363), 6 states have internal predecessors, (2363), 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) [2024-11-20 13:52:49,849 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:49,850 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:49,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-20 13:52:49,850 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:49,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:49,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1423548307, now seen corresponding path program 1 times [2024-11-20 13:52:49,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:49,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44994855] [2024-11-20 13:52:49,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:49,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:50,576 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-20 13:52:50,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:50,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44994855] [2024-11-20 13:52:50,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44994855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:50,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:50,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:52:50,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446109666] [2024-11-20 13:52:50,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:50,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:52:50,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:50,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:52:50,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:52:50,841 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 431 [2024-11-20 13:52:50,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 366 transitions, 1049 flow. Second operand has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 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) [2024-11-20 13:52:50,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:50,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 431 [2024-11-20 13:52:50,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:51,153 INFO L124 PetriNetUnfolderBase]: 64/1857 cut-off events. [2024-11-20 13:52:51,154 INFO L125 PetriNetUnfolderBase]: For 163/166 co-relation queries the response was YES. [2024-11-20 13:52:51,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2475 conditions, 1857 events. 64/1857 cut-off events. For 163/166 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 9840 event pairs, 13 based on Foata normal form. 0/1776 useless extension candidates. Maximal degree in co-relation 2279. Up to 80 conditions per place. [2024-11-20 13:52:51,169 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 19 selfloop transitions, 6 changer transitions 0/369 dead transitions. [2024-11-20 13:52:51,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 369 transitions, 1109 flow [2024-11-20 13:52:51,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:52:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:52:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2371 transitions. [2024-11-20 13:52:51,173 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9168600154679041 [2024-11-20 13:52:51,173 INFO L175 Difference]: Start difference. First operand has 375 places, 366 transitions, 1049 flow. Second operand 6 states and 2371 transitions. [2024-11-20 13:52:51,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 369 transitions, 1109 flow [2024-11-20 13:52:51,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 369 transitions, 1097 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:52:51,181 INFO L231 Difference]: Finished difference. Result has 374 places, 365 transitions, 1047 flow [2024-11-20 13:52:51,182 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1047, PETRI_PLACES=374, PETRI_TRANSITIONS=365} [2024-11-20 13:52:51,182 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -18 predicate places. [2024-11-20 13:52:51,182 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 365 transitions, 1047 flow [2024-11-20 13:52:51,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 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) [2024-11-20 13:52:51,183 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:51,183 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:51,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-20 13:52:51,184 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:51,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:51,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1147561893, now seen corresponding path program 1 times [2024-11-20 13:52:51,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:51,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563487087] [2024-11-20 13:52:51,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:51,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-20 13:52:51,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:51,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563487087] [2024-11-20 13:52:51,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563487087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:51,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:51,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:51,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329218856] [2024-11-20 13:52:51,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:51,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:51,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:51,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:51,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:51,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 431 [2024-11-20 13:52:51,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 365 transitions, 1047 flow. Second operand has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 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) [2024-11-20 13:52:51,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:51,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 431 [2024-11-20 13:52:51,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:51,603 INFO L124 PetriNetUnfolderBase]: 42/1534 cut-off events. [2024-11-20 13:52:51,603 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES. [2024-11-20 13:52:51,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2040 conditions, 1534 events. 42/1534 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6629 event pairs, 17 based on Foata normal form. 0/1484 useless extension candidates. Maximal degree in co-relation 1934. Up to 79 conditions per place. [2024-11-20 13:52:51,620 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 11 selfloop transitions, 3 changer transitions 0/365 dead transitions. [2024-11-20 13:52:51,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 365 transitions, 1076 flow [2024-11-20 13:52:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:51,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:51,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1204 transitions. [2024-11-20 13:52:51,623 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9311678267594741 [2024-11-20 13:52:51,623 INFO L175 Difference]: Start difference. First operand has 374 places, 365 transitions, 1047 flow. Second operand 3 states and 1204 transitions. [2024-11-20 13:52:51,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 365 transitions, 1076 flow [2024-11-20 13:52:51,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 365 transitions, 1064 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:52:51,631 INFO L231 Difference]: Finished difference. Result has 370 places, 364 transitions, 1039 flow [2024-11-20 13:52:51,632 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1039, PETRI_PLACES=370, PETRI_TRANSITIONS=364} [2024-11-20 13:52:51,632 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -22 predicate places. [2024-11-20 13:52:51,632 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 364 transitions, 1039 flow [2024-11-20 13:52:51,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 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) [2024-11-20 13:52:51,633 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:51,633 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:51,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-20 13:52:51,633 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-20 13:52:51,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:51,634 INFO L85 PathProgramCache]: Analyzing trace with hash 930808349, now seen corresponding path program 1 times [2024-11-20 13:52:51,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:51,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152567182] [2024-11-20 13:52:51,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:51,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:51,739 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-20 13:52:51,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:51,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152567182] [2024-11-20 13:52:51,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152567182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:51,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:51,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:51,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075873307] [2024-11-20 13:52:51,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:51,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:51,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:51,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:51,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:51,775 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 431 [2024-11-20 13:52:51,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 364 transitions, 1039 flow. Second operand has 3 states, 3 states have (on average 399.0) internal successors, (1197), 3 states have internal predecessors, (1197), 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) [2024-11-20 13:52:51,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:51,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 431 [2024-11-20 13:52:51,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:51,983 INFO L124 PetriNetUnfolderBase]: 76/1736 cut-off events. [2024-11-20 13:52:51,984 INFO L125 PetriNetUnfolderBase]: For 171/174 co-relation queries the response was YES. [2024-11-20 13:52:51,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2317 conditions, 1736 events. 76/1736 cut-off events. For 171/174 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 10104 event pairs, 43 based on Foata normal form. 0/1663 useless extension candidates. Maximal degree in co-relation 2086. Up to 127 conditions per place. [2024-11-20 13:52:51,997 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 0 selfloop transitions, 0 changer transitions 364/364 dead transitions. [2024-11-20 13:52:51,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 364 transitions, 1068 flow [2024-11-20 13:52:51,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1204 transitions. [2024-11-20 13:52:51,999 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9311678267594741 [2024-11-20 13:52:51,999 INFO L175 Difference]: Start difference. First operand has 370 places, 364 transitions, 1039 flow. Second operand 3 states and 1204 transitions. [2024-11-20 13:52:51,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 364 transitions, 1068 flow [2024-11-20 13:52:52,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 364 transitions, 1062 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:52,005 INFO L231 Difference]: Finished difference. Result has 369 places, 0 transitions, 0 flow [2024-11-20 13:52:52,006 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1031, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=369, PETRI_TRANSITIONS=0} [2024-11-20 13:52:52,006 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -23 predicate places. [2024-11-20 13:52:52,006 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 0 transitions, 0 flow [2024-11-20 13:52:52,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.0) internal successors, (1197), 3 states have internal predecessors, (1197), 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) [2024-11-20 13:52:52,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (57 of 58 remaining) [2024-11-20 13:52:52,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2024-11-20 13:52:52,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2024-11-20 13:52:52,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2024-11-20 13:52:52,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2024-11-20 13:52:52,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2024-11-20 13:52:52,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2024-11-20 13:52:52,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2024-11-20 13:52:52,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2024-11-20 13:52:52,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2024-11-20 13:52:52,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2024-11-20 13:52:52,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2024-11-20 13:52:52,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2024-11-20 13:52:52,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2024-11-20 13:52:52,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2024-11-20 13:52:52,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2024-11-20 13:52:52,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining) [2024-11-20 13:52:52,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2024-11-20 13:52:52,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2024-11-20 13:52:52,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2024-11-20 13:52:52,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2024-11-20 13:52:52,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2024-11-20 13:52:52,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2024-11-20 13:52:52,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2024-11-20 13:52:52,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2024-11-20 13:52:52,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2024-11-20 13:52:52,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2024-11-20 13:52:52,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2024-11-20 13:52:52,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2024-11-20 13:52:52,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2024-11-20 13:52:52,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2024-11-20 13:52:52,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2024-11-20 13:52:52,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2024-11-20 13:52:52,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2024-11-20 13:52:52,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 58 remaining) [2024-11-20 13:52:52,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 58 remaining) [2024-11-20 13:52:52,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2024-11-20 13:52:52,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2024-11-20 13:52:52,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2024-11-20 13:52:52,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2024-11-20 13:52:52,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2024-11-20 13:52:52,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2024-11-20 13:52:52,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2024-11-20 13:52:52,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2024-11-20 13:52:52,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2024-11-20 13:52:52,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2024-11-20 13:52:52,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2024-11-20 13:52:52,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2024-11-20 13:52:52,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2024-11-20 13:52:52,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2024-11-20 13:52:52,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2024-11-20 13:52:52,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2024-11-20 13:52:52,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2024-11-20 13:52:52,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2024-11-20 13:52:52,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2024-11-20 13:52:52,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2024-11-20 13:52:52,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2024-11-20 13:52:52,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2024-11-20 13:52:52,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-20 13:52:52,019 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:52,024 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:52:52,025 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:52:52,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:52:52 BasicIcfg [2024-11-20 13:52:52,029 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:52:52,029 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:52:52,029 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:52:52,030 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:52:52,030 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:52:34" (3/4) ... [2024-11-20 13:52:52,032 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:52:52,035 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-20 13:52:52,035 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-20 13:52:52,040 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-20 13:52:52,041 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 13:52:52,041 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:52:52,042 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:52:52,152 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:52:52,153 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:52:52,153 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:52:52,153 INFO L158 Benchmark]: Toolchain (without parser) took 18563.22ms. Allocated memory was 146.8MB in the beginning and 658.5MB in the end (delta: 511.7MB). Free memory was 77.2MB in the beginning and 408.2MB in the end (delta: -331.0MB). Peak memory consumption was 181.3MB. Max. memory is 16.1GB. [2024-11-20 13:52:52,153 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:52:52,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.26ms. Allocated memory is still 146.8MB. Free memory was 77.1MB in the beginning and 108.1MB in the end (delta: -31.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-11-20 13:52:52,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.63ms. Allocated memory is still 146.8MB. Free memory was 108.1MB in the beginning and 105.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:52:52,154 INFO L158 Benchmark]: Boogie Preprocessor took 56.68ms. Allocated memory is still 146.8MB. Free memory was 105.0MB in the beginning and 102.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:52:52,154 INFO L158 Benchmark]: RCFGBuilder took 759.73ms. Allocated memory is still 146.8MB. Free memory was 102.4MB in the beginning and 69.4MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-20 13:52:52,155 INFO L158 Benchmark]: TraceAbstraction took 17151.09ms. Allocated memory was 146.8MB in the beginning and 658.5MB in the end (delta: 511.7MB). Free memory was 68.9MB in the beginning and 414.4MB in the end (delta: -345.6MB). Peak memory consumption was 167.1MB. Max. memory is 16.1GB. [2024-11-20 13:52:52,155 INFO L158 Benchmark]: Witness Printer took 123.38ms. Allocated memory is still 658.5MB. Free memory was 414.4MB in the beginning and 408.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 13:52:52,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.26ms. Allocated memory is still 146.8MB. Free memory was 77.1MB in the beginning and 108.1MB in the end (delta: -31.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.63ms. Allocated memory is still 146.8MB. Free memory was 108.1MB in the beginning and 105.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.68ms. Allocated memory is still 146.8MB. Free memory was 105.0MB in the beginning and 102.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 759.73ms. Allocated memory is still 146.8MB. Free memory was 102.4MB in the beginning and 69.4MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17151.09ms. Allocated memory was 146.8MB in the beginning and 658.5MB in the end (delta: 511.7MB). Free memory was 68.9MB in the beginning and 414.4MB in the end (delta: -345.6MB). Peak memory consumption was 167.1MB. Max. memory is 16.1GB. * Witness Printer took 123.38ms. Allocated memory is still 658.5MB. Free memory was 414.4MB in the beginning and 408.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 606 locations, 58 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 17.0s, OverallIterations: 26, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2428 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1576 mSDsluCounter, 1017 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 790 mSDsCounter, 366 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4350 IncrementalHoareTripleChecker+Invalid, 4716 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 366 mSolverCounterUnsat, 227 mSDtfsCounter, 4350 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1096 GetRequests, 980 SyntacticMatches, 5 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1093occurred in iteration=21, InterpolantAutomatonStates: 121, 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 4982 NumberOfCodeBlocks, 4892 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 5331 ConstructedInterpolants, 0 QuantifiedInterpolants, 7390 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1115 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 31 InterpolantComputations, 24 PerfectInterpolantSequences, 2225/2420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:52:52,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE