./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-vector-add.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 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:59:08,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:59:08,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:59:08,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:59:08,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:59:08,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:59:08,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:59:08,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:59:08,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:59:08,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:59:08,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:59:08,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:59:08,933 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:59:08,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:59:08,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:59:08,934 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:59:08,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:59:08,935 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:59:08,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:59:08,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:59:08,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:59:08,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:59:08,936 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:59:08,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:59:08,937 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:59:08,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:59:08,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:59:08,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:59:08,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:59:08,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:59:08,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:59:08,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:59:08,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:59:08,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:59:08,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:59:08,940 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:59:08,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:59:08,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:59:08,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:59:08,941 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:59:08,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:59:08,941 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 [2024-11-22 17:59:09,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:59:09,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:59:09,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:59:09,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:59:09,201 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:59:09,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2024-11-22 17:59:10,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:59:10,848 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:59:10,850 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2024-11-22 17:59:10,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a5a7a1a/6749017c83d84bc989b96958104419b5/FLAGbc6ad8ebd [2024-11-22 17:59:10,875 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a5a7a1a/6749017c83d84bc989b96958104419b5 [2024-11-22 17:59:10,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:59:10,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:59:10,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:59:10,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:59:10,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:59:10,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:59:10" (1/1) ... [2024-11-22 17:59:10,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515ab709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:10, skipping insertion in model container [2024-11-22 17:59:10,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:59:10" (1/1) ... [2024-11-22 17:59:10,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:59:11,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:59:11,121 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:59:11,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:59:11,167 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:59:11,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11 WrapperNode [2024-11-22 17:59:11,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:59:11,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:59:11,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:59:11,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:59:11,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11" (1/1) ... [2024-11-22 17:59:11,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11" (1/1) ... [2024-11-22 17:59:11,217 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 277 [2024-11-22 17:59:11,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:59:11,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:59:11,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:59:11,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:59:11,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11" (1/1) ... [2024-11-22 17:59:11,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11" (1/1) ... [2024-11-22 17:59:11,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11" (1/1) ... [2024-11-22 17:59:11,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11" (1/1) ... [2024-11-22 17:59:11,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11" (1/1) ... [2024-11-22 17:59:11,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11" (1/1) ... [2024-11-22 17:59:11,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11" (1/1) ... [2024-11-22 17:59:11,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11" (1/1) ... [2024-11-22 17:59:11,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:59:11,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:59:11,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:59:11,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:59:11,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11" (1/1) ... [2024-11-22 17:59:11,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:59:11,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:59:11,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:59:11,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:59:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:59:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-22 17:59:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-22 17:59:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-22 17:59:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-22 17:59:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-22 17:59:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-22 17:59:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:59:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:59:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 17:59:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:59:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:59:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:59:11,352 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:59:11,462 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:59:11,464 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:59:12,114 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:59:12,114 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:59:12,136 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:59:12,137 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-22 17:59:12,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:59:12 BoogieIcfgContainer [2024-11-22 17:59:12,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:59:12,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:59:12,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:59:12,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:59:12,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:59:10" (1/3) ... [2024-11-22 17:59:12,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d52ecde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:59:12, skipping insertion in model container [2024-11-22 17:59:12,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:59:11" (2/3) ... [2024-11-22 17:59:12,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d52ecde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:59:12, skipping insertion in model container [2024-11-22 17:59:12,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:59:12" (3/3) ... [2024-11-22 17:59:12,145 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2024-11-22 17:59:12,157 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:59:12,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-11-22 17:59:12,157 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:59:12,271 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-22 17:59:12,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 493 places, 510 transitions, 1041 flow [2024-11-22 17:59:12,427 INFO L124 PetriNetUnfolderBase]: 27/507 cut-off events. [2024-11-22 17:59:12,428 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:59:12,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 507 events. 27/507 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 717 event pairs, 0 based on Foata normal form. 0/436 useless extension candidates. Maximal degree in co-relation 396. Up to 2 conditions per place. [2024-11-22 17:59:12,435 INFO L82 GeneralOperation]: Start removeDead. Operand has 493 places, 510 transitions, 1041 flow [2024-11-22 17:59:12,441 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 472 places, 488 transitions, 994 flow [2024-11-22 17:59:12,448 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:59:12,453 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;@7767fe62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:59:12,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2024-11-22 17:59:12,456 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:59:12,456 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-22 17:59:12,456 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:59:12,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:12,457 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] [2024-11-22 17:59:12,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:12,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:12,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1336570435, now seen corresponding path program 1 times [2024-11-22 17:59:12,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:12,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127048579] [2024-11-22 17:59:12,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:12,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:12,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:12,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127048579] [2024-11-22 17:59:12,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127048579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:12,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:12,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:12,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210902061] [2024-11-22 17:59:12,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:12,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:12,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:12,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:12,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:12,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 510 [2024-11-22 17:59:12,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 488 transitions, 994 flow. Second operand has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:12,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:12,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 510 [2024-11-22 17:59:12,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:12,836 INFO L124 PetriNetUnfolderBase]: 23/763 cut-off events. [2024-11-22 17:59:12,836 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-22 17:59:12,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 763 events. 23/763 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2635 event pairs, 7 based on Foata normal form. 26/674 useless extension candidates. Maximal degree in co-relation 423. Up to 31 conditions per place. [2024-11-22 17:59:12,848 INFO L140 encePairwiseOnDemand]: 490/510 looper letters, 13 selfloop transitions, 2 changer transitions 10/470 dead transitions. [2024-11-22 17:59:12,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 470 transitions, 988 flow [2024-11-22 17:59:12,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:12,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1455 transitions. [2024-11-22 17:59:12,868 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9509803921568627 [2024-11-22 17:59:12,872 INFO L175 Difference]: Start difference. First operand has 472 places, 488 transitions, 994 flow. Second operand 3 states and 1455 transitions. [2024-11-22 17:59:12,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 470 transitions, 988 flow [2024-11-22 17:59:12,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 470 transitions, 976 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-22 17:59:12,886 INFO L231 Difference]: Finished difference. Result has 467 places, 460 transitions, 930 flow [2024-11-22 17:59:12,888 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=930, PETRI_PLACES=467, PETRI_TRANSITIONS=460} [2024-11-22 17:59:12,892 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -5 predicate places. [2024-11-22 17:59:12,892 INFO L471 AbstractCegarLoop]: Abstraction has has 467 places, 460 transitions, 930 flow [2024-11-22 17:59:12,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:12,894 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:12,894 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:12,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:59:12,895 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:12,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:12,896 INFO L85 PathProgramCache]: Analyzing trace with hash 599438832, now seen corresponding path program 1 times [2024-11-22 17:59:12,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:12,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787712410] [2024-11-22 17:59:12,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:12,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:12,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:12,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:12,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787712410] [2024-11-22 17:59:12,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787712410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:12,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:12,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:12,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945257329] [2024-11-22 17:59:12,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:12,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:12,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:12,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:12,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:12,999 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 470 out of 510 [2024-11-22 17:59:13,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 460 transitions, 930 flow. Second operand has 3 states, 3 states have (on average 471.3333333333333) internal successors, (1414), 3 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:13,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:13,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 470 of 510 [2024-11-22 17:59:13,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:13,082 INFO L124 PetriNetUnfolderBase]: 17/604 cut-off events. [2024-11-22 17:59:13,082 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:59:13,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 604 events. 17/604 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1615 event pairs, 5 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 615. Up to 31 conditions per place. [2024-11-22 17:59:13,088 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 17 selfloop transitions, 2 changer transitions 0/459 dead transitions. [2024-11-22 17:59:13,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 459 transitions, 966 flow [2024-11-22 17:59:13,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:13,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:13,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1430 transitions. [2024-11-22 17:59:13,093 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.934640522875817 [2024-11-22 17:59:13,093 INFO L175 Difference]: Start difference. First operand has 467 places, 460 transitions, 930 flow. Second operand 3 states and 1430 transitions. [2024-11-22 17:59:13,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 459 transitions, 966 flow [2024-11-22 17:59:13,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 459 transitions, 962 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:59:13,142 INFO L231 Difference]: Finished difference. Result has 456 places, 459 transitions, 928 flow [2024-11-22 17:59:13,142 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=924, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=928, PETRI_PLACES=456, PETRI_TRANSITIONS=459} [2024-11-22 17:59:13,143 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -16 predicate places. [2024-11-22 17:59:13,143 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 459 transitions, 928 flow [2024-11-22 17:59:13,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 471.3333333333333) internal successors, (1414), 3 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:13,144 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:13,148 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] [2024-11-22 17:59:13,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:59:13,148 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:13,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:13,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1133413882, now seen corresponding path program 1 times [2024-11-22 17:59:13,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:13,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067064165] [2024-11-22 17:59:13,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:13,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:13,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:13,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067064165] [2024-11-22 17:59:13,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067064165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:13,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:13,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:13,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880499448] [2024-11-22 17:59:13,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:13,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:13,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:13,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:13,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:13,255 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 510 [2024-11-22 17:59:13,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 459 transitions, 928 flow. Second operand has 3 states, 3 states have (on average 461.0) internal successors, (1383), 3 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:13,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:13,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 510 [2024-11-22 17:59:13,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:13,375 INFO L124 PetriNetUnfolderBase]: 29/735 cut-off events. [2024-11-22 17:59:13,375 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-22 17:59:13,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 802 conditions, 735 events. 29/735 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2618 event pairs, 12 based on Foata normal form. 0/642 useless extension candidates. Maximal degree in co-relation 763. Up to 54 conditions per place. [2024-11-22 17:59:13,383 INFO L140 encePairwiseOnDemand]: 501/510 looper letters, 22 selfloop transitions, 1 changer transitions 0/451 dead transitions. [2024-11-22 17:59:13,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 451 transitions, 958 flow [2024-11-22 17:59:13,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1411 transitions. [2024-11-22 17:59:13,386 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9222222222222223 [2024-11-22 17:59:13,386 INFO L175 Difference]: Start difference. First operand has 456 places, 459 transitions, 928 flow. Second operand 3 states and 1411 transitions. [2024-11-22 17:59:13,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 451 transitions, 958 flow [2024-11-22 17:59:13,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 451 transitions, 954 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:59:13,393 INFO L231 Difference]: Finished difference. Result has 448 places, 451 transitions, 910 flow [2024-11-22 17:59:13,394 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=908, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=910, PETRI_PLACES=448, PETRI_TRANSITIONS=451} [2024-11-22 17:59:13,395 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -24 predicate places. [2024-11-22 17:59:13,395 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 451 transitions, 910 flow [2024-11-22 17:59:13,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 461.0) internal successors, (1383), 3 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:13,397 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:13,397 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:13,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:59:13,397 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:13,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:13,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1725255605, now seen corresponding path program 1 times [2024-11-22 17:59:13,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:13,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033242927] [2024-11-22 17:59:13,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:13,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:13,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:13,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033242927] [2024-11-22 17:59:13,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033242927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:13,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:13,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:59:13,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954795465] [2024-11-22 17:59:13,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:13,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:59:13,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:13,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:59:13,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:59:14,356 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 510 [2024-11-22 17:59:14,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 451 transitions, 910 flow. Second operand has 6 states, 6 states have (on average 386.5) internal successors, (2319), 6 states have internal predecessors, (2319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:14,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:14,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 510 [2024-11-22 17:59:14,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:17,278 INFO L124 PetriNetUnfolderBase]: 5286/18618 cut-off events. [2024-11-22 17:59:17,279 INFO L125 PetriNetUnfolderBase]: For 363/363 co-relation queries the response was YES. [2024-11-22 17:59:17,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26699 conditions, 18618 events. 5286/18618 cut-off events. For 363/363 co-relation queries the response was YES. Maximal size of possible extension queue 500. Compared 211803 event pairs, 4536 based on Foata normal form. 0/15895 useless extension candidates. Maximal degree in co-relation 26661. Up to 7875 conditions per place. [2024-11-22 17:59:17,388 INFO L140 encePairwiseOnDemand]: 486/510 looper letters, 82 selfloop transitions, 20 changer transitions 0/447 dead transitions. [2024-11-22 17:59:17,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 447 transitions, 1106 flow [2024-11-22 17:59:17,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:59:17,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:59:17,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2416 transitions. [2024-11-22 17:59:17,394 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7895424836601307 [2024-11-22 17:59:17,394 INFO L175 Difference]: Start difference. First operand has 448 places, 451 transitions, 910 flow. Second operand 6 states and 2416 transitions. [2024-11-22 17:59:17,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 447 transitions, 1106 flow [2024-11-22 17:59:17,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 447 transitions, 1105 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:59:17,399 INFO L231 Difference]: Finished difference. Result has 448 places, 447 transitions, 941 flow [2024-11-22 17:59:17,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=941, PETRI_PLACES=448, PETRI_TRANSITIONS=447} [2024-11-22 17:59:17,400 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -24 predicate places. [2024-11-22 17:59:17,401 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 447 transitions, 941 flow [2024-11-22 17:59:17,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 386.5) internal successors, (2319), 6 states have internal predecessors, (2319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:17,402 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:17,402 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] [2024-11-22 17:59:17,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:59:17,402 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:17,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:17,403 INFO L85 PathProgramCache]: Analyzing trace with hash -813396907, now seen corresponding path program 1 times [2024-11-22 17:59:17,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:17,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440623597] [2024-11-22 17:59:17,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:17,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:17,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:17,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:17,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440623597] [2024-11-22 17:59:17,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440623597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:17,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:17,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:17,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747910046] [2024-11-22 17:59:17,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:17,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:17,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:17,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:17,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:17,472 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-22 17:59:17,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 447 transitions, 941 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:17,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:17,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-22 17:59:17,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:17,531 INFO L124 PetriNetUnfolderBase]: 28/674 cut-off events. [2024-11-22 17:59:17,531 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:59:17,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 674 events. 28/674 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2251 event pairs, 15 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 707. Up to 40 conditions per place. [2024-11-22 17:59:17,535 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/446 dead transitions. [2024-11-22 17:59:17,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 446 transitions, 967 flow [2024-11-22 17:59:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:17,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:17,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1440 transitions. [2024-11-22 17:59:17,537 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-22 17:59:17,537 INFO L175 Difference]: Start difference. First operand has 448 places, 447 transitions, 941 flow. Second operand 3 states and 1440 transitions. [2024-11-22 17:59:17,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 446 transitions, 967 flow [2024-11-22 17:59:17,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 446 transitions, 927 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:59:17,542 INFO L231 Difference]: Finished difference. Result has 444 places, 446 transitions, 903 flow [2024-11-22 17:59:17,543 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=899, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=444, PETRI_TRANSITIONS=446} [2024-11-22 17:59:17,544 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -28 predicate places. [2024-11-22 17:59:17,544 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 446 transitions, 903 flow [2024-11-22 17:59:17,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:17,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:17,545 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] [2024-11-22 17:59:17,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:59:17,545 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:17,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:17,546 INFO L85 PathProgramCache]: Analyzing trace with hash -67140239, now seen corresponding path program 1 times [2024-11-22 17:59:17,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:17,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287983344] [2024-11-22 17:59:17,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:17,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:17,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:17,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287983344] [2024-11-22 17:59:17,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287983344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:17,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:17,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:17,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921154816] [2024-11-22 17:59:17,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:17,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:17,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:17,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:17,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:17,622 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-22 17:59:17,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 446 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:17,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:17,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-22 17:59:17,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:17,680 INFO L124 PetriNetUnfolderBase]: 28/673 cut-off events. [2024-11-22 17:59:17,681 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:59:17,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 673 events. 28/673 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2201 event pairs, 15 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 688. Up to 40 conditions per place. [2024-11-22 17:59:17,684 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/445 dead transitions. [2024-11-22 17:59:17,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 445 transitions, 929 flow [2024-11-22 17:59:17,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:17,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1440 transitions. [2024-11-22 17:59:17,690 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-22 17:59:17,690 INFO L175 Difference]: Start difference. First operand has 444 places, 446 transitions, 903 flow. Second operand 3 states and 1440 transitions. [2024-11-22 17:59:17,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 445 transitions, 929 flow [2024-11-22 17:59:17,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 445 transitions, 925 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:59:17,695 INFO L231 Difference]: Finished difference. Result has 443 places, 445 transitions, 901 flow [2024-11-22 17:59:17,695 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=897, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=901, PETRI_PLACES=443, PETRI_TRANSITIONS=445} [2024-11-22 17:59:17,696 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -29 predicate places. [2024-11-22 17:59:17,696 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 445 transitions, 901 flow [2024-11-22 17:59:17,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:17,697 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:17,697 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] [2024-11-22 17:59:17,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:59:17,697 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:17,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:17,698 INFO L85 PathProgramCache]: Analyzing trace with hash 848299110, now seen corresponding path program 1 times [2024-11-22 17:59:17,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:17,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230101449] [2024-11-22 17:59:17,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:17,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:17,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:17,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:17,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230101449] [2024-11-22 17:59:17,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230101449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:17,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:17,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:17,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11055021] [2024-11-22 17:59:17,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:17,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:17,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:17,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:17,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:17,768 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 476 out of 510 [2024-11-22 17:59:17,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 445 transitions, 901 flow. Second operand has 3 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:17,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:17,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 476 of 510 [2024-11-22 17:59:17,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:17,824 INFO L124 PetriNetUnfolderBase]: 13/551 cut-off events. [2024-11-22 17:59:17,824 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:59:17,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 551 events. 13/551 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1292 event pairs, 2 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 540. Up to 16 conditions per place. [2024-11-22 17:59:17,828 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 11 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2024-11-22 17:59:17,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 444 transitions, 925 flow [2024-11-22 17:59:17,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:17,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1442 transitions. [2024-11-22 17:59:17,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9424836601307189 [2024-11-22 17:59:17,831 INFO L175 Difference]: Start difference. First operand has 443 places, 445 transitions, 901 flow. Second operand 3 states and 1442 transitions. [2024-11-22 17:59:17,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 444 transitions, 925 flow [2024-11-22 17:59:17,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 444 transitions, 921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:59:17,877 INFO L231 Difference]: Finished difference. Result has 442 places, 444 transitions, 899 flow [2024-11-22 17:59:17,878 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=899, PETRI_PLACES=442, PETRI_TRANSITIONS=444} [2024-11-22 17:59:17,878 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -30 predicate places. [2024-11-22 17:59:17,879 INFO L471 AbstractCegarLoop]: Abstraction has has 442 places, 444 transitions, 899 flow [2024-11-22 17:59:17,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:17,879 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:17,880 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:17,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:59:17,880 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:17,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:17,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1504415495, now seen corresponding path program 1 times [2024-11-22 17:59:17,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:17,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941454734] [2024-11-22 17:59:17,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:17,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:17,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:17,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:17,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941454734] [2024-11-22 17:59:17,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941454734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:17,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:17,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:17,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678143312] [2024-11-22 17:59:17,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:17,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:17,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:17,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:17,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:17,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-22 17:59:17,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 444 transitions, 899 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:17,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:17,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-22 17:59:17,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:18,022 INFO L124 PetriNetUnfolderBase]: 22/594 cut-off events. [2024-11-22 17:59:18,026 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-22 17:59:18,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 594 events. 22/594 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1561 event pairs, 7 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 598. Up to 32 conditions per place. [2024-11-22 17:59:18,034 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2024-11-22 17:59:18,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 443 transitions, 925 flow [2024-11-22 17:59:18,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1440 transitions. [2024-11-22 17:59:18,037 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-22 17:59:18,037 INFO L175 Difference]: Start difference. First operand has 442 places, 444 transitions, 899 flow. Second operand 3 states and 1440 transitions. [2024-11-22 17:59:18,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 443 transitions, 925 flow [2024-11-22 17:59:18,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 443 transitions, 921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:59:18,046 INFO L231 Difference]: Finished difference. Result has 441 places, 443 transitions, 897 flow [2024-11-22 17:59:18,046 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=893, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=441, PETRI_TRANSITIONS=443} [2024-11-22 17:59:18,051 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -31 predicate places. [2024-11-22 17:59:18,052 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 443 transitions, 897 flow [2024-11-22 17:59:18,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:18,053 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:18,053 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:18,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:59:18,053 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:18,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:18,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1782494843, now seen corresponding path program 1 times [2024-11-22 17:59:18,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:18,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996004054] [2024-11-22 17:59:18,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:18,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:18,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:18,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996004054] [2024-11-22 17:59:18,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996004054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:18,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:18,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:18,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628728050] [2024-11-22 17:59:18,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:18,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:18,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:18,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:18,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:18,162 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 472 out of 510 [2024-11-22 17:59:18,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 443 transitions, 897 flow. Second operand has 3 states, 3 states have (on average 473.0) internal successors, (1419), 3 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:18,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:18,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 472 of 510 [2024-11-22 17:59:18,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:18,299 INFO L124 PetriNetUnfolderBase]: 41/877 cut-off events. [2024-11-22 17:59:18,299 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-22 17:59:18,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 945 conditions, 877 events. 41/877 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3798 event pairs, 20 based on Foata normal form. 0/777 useless extension candidates. Maximal degree in co-relation 906. Up to 56 conditions per place. [2024-11-22 17:59:18,308 INFO L140 encePairwiseOnDemand]: 505/510 looper letters, 14 selfloop transitions, 1 changer transitions 0/439 dead transitions. [2024-11-22 17:59:18,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 439 transitions, 919 flow [2024-11-22 17:59:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:18,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:18,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1435 transitions. [2024-11-22 17:59:18,314 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9379084967320261 [2024-11-22 17:59:18,314 INFO L175 Difference]: Start difference. First operand has 441 places, 443 transitions, 897 flow. Second operand 3 states and 1435 transitions. [2024-11-22 17:59:18,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 439 transitions, 919 flow [2024-11-22 17:59:18,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 439 transitions, 915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:59:18,322 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 887 flow [2024-11-22 17:59:18,323 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=887, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-22 17:59:18,323 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-22 17:59:18,327 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 887 flow [2024-11-22 17:59:18,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 473.0) internal successors, (1419), 3 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:18,328 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:18,328 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:18,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:59:18,328 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:18,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:18,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1614437966, now seen corresponding path program 1 times [2024-11-22 17:59:18,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:18,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266136440] [2024-11-22 17:59:18,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:18,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:18,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:18,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266136440] [2024-11-22 17:59:18,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266136440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:18,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:18,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:18,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751580053] [2024-11-22 17:59:18,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:18,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:18,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:18,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:18,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:18,425 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 478 out of 510 [2024-11-22 17:59:18,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 887 flow. Second operand has 3 states, 3 states have (on average 479.3333333333333) internal successors, (1438), 3 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:18,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:18,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 478 of 510 [2024-11-22 17:59:18,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:18,516 INFO L124 PetriNetUnfolderBase]: 17/558 cut-off events. [2024-11-22 17:59:18,516 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:59:18,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 558 events. 17/558 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1286 event pairs, 0 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 558. Up to 19 conditions per place. [2024-11-22 17:59:18,519 INFO L140 encePairwiseOnDemand]: 506/510 looper letters, 16 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2024-11-22 17:59:18,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 444 transitions, 938 flow [2024-11-22 17:59:18,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:18,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:18,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1454 transitions. [2024-11-22 17:59:18,522 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9503267973856209 [2024-11-22 17:59:18,522 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 887 flow. Second operand 3 states and 1454 transitions. [2024-11-22 17:59:18,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 444 transitions, 938 flow [2024-11-22 17:59:18,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 444 transitions, 937 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:59:18,529 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 896 flow [2024-11-22 17:59:18,530 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=896, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-22 17:59:18,530 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-22 17:59:18,531 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 896 flow [2024-11-22 17:59:18,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 479.3333333333333) internal successors, (1438), 3 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:18,532 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:18,532 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:18,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:59:18,532 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:18,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:18,533 INFO L85 PathProgramCache]: Analyzing trace with hash -991653708, now seen corresponding path program 1 times [2024-11-22 17:59:18,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:18,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730902271] [2024-11-22 17:59:18,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:18,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:18,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:18,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730902271] [2024-11-22 17:59:18,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730902271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:18,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:18,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:18,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98000648] [2024-11-22 17:59:18,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:18,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:18,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:18,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:18,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:18,595 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-22 17:59:18,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 896 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:18,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:18,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-22 17:59:18,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:18,780 INFO L124 PetriNetUnfolderBase]: 135/1964 cut-off events. [2024-11-22 17:59:18,781 INFO L125 PetriNetUnfolderBase]: For 29/30 co-relation queries the response was YES. [2024-11-22 17:59:18,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2188 conditions, 1964 events. 135/1964 cut-off events. For 29/30 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 13272 event pairs, 36 based on Foata normal form. 0/1720 useless extension candidates. Maximal degree in co-relation 2150. Up to 187 conditions per place. [2024-11-22 17:59:18,794 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 18 selfloop transitions, 3 changer transitions 0/444 dead transitions. [2024-11-22 17:59:18,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 444 transitions, 953 flow [2024-11-22 17:59:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:18,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1449 transitions. [2024-11-22 17:59:18,797 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9470588235294117 [2024-11-22 17:59:18,797 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 896 flow. Second operand 3 states and 1449 transitions. [2024-11-22 17:59:18,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 444 transitions, 953 flow [2024-11-22 17:59:18,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 444 transitions, 953 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:59:18,802 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 911 flow [2024-11-22 17:59:18,802 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=911, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-22 17:59:18,803 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-22 17:59:18,803 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 911 flow [2024-11-22 17:59:18,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:18,804 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:18,804 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:18,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 17:59:18,804 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:18,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:18,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1009627412, now seen corresponding path program 1 times [2024-11-22 17:59:18,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:18,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858180036] [2024-11-22 17:59:18,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:18,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:18,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:18,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858180036] [2024-11-22 17:59:18,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858180036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:18,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:18,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:18,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814152615] [2024-11-22 17:59:18,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:18,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:18,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:18,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:18,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:18,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-22 17:59:18,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 911 flow. Second operand has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:18,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:18,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-22 17:59:18,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:19,013 INFO L124 PetriNetUnfolderBase]: 149/1734 cut-off events. [2024-11-22 17:59:19,013 INFO L125 PetriNetUnfolderBase]: For 50/54 co-relation queries the response was YES. [2024-11-22 17:59:19,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2016 conditions, 1734 events. 149/1734 cut-off events. For 50/54 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 10919 event pairs, 22 based on Foata normal form. 0/1554 useless extension candidates. Maximal degree in co-relation 1977. Up to 170 conditions per place. [2024-11-22 17:59:19,024 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 17 selfloop transitions, 3 changer transitions 0/443 dead transitions. [2024-11-22 17:59:19,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 443 transitions, 963 flow [2024-11-22 17:59:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:19,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1448 transitions. [2024-11-22 17:59:19,027 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9464052287581699 [2024-11-22 17:59:19,027 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 911 flow. Second operand 3 states and 1448 transitions. [2024-11-22 17:59:19,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 443 transitions, 963 flow [2024-11-22 17:59:19,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 443 transitions, 963 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:59:19,032 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 926 flow [2024-11-22 17:59:19,033 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=926, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-22 17:59:19,033 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-22 17:59:19,034 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 926 flow [2024-11-22 17:59:19,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:19,035 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:19,035 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:19,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:59:19,035 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:19,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:19,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1663605080, now seen corresponding path program 1 times [2024-11-22 17:59:19,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:19,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234504064] [2024-11-22 17:59:19,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:19,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:19,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:19,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:19,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234504064] [2024-11-22 17:59:19,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234504064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:19,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:19,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 17:59:19,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542075241] [2024-11-22 17:59:19,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:19,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 17:59:19,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:19,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 17:59:19,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-22 17:59:19,554 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 510 [2024-11-22 17:59:19,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 926 flow. Second operand has 7 states, 7 states have (on average 448.2857142857143) internal successors, (3138), 7 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:19,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:19,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 510 [2024-11-22 17:59:19,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:19,892 INFO L124 PetriNetUnfolderBase]: 87/1593 cut-off events. [2024-11-22 17:59:19,892 INFO L125 PetriNetUnfolderBase]: For 11/34 co-relation queries the response was YES. [2024-11-22 17:59:19,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1593 events. 87/1593 cut-off events. For 11/34 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 7200 event pairs, 20 based on Foata normal form. 5/1495 useless extension candidates. Maximal degree in co-relation 1873. Up to 76 conditions per place. [2024-11-22 17:59:19,905 INFO L140 encePairwiseOnDemand]: 473/510 looper letters, 49 selfloop transitions, 56 changer transitions 0/496 dead transitions. [2024-11-22 17:59:19,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 496 transitions, 1258 flow [2024-11-22 17:59:19,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 17:59:19,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-22 17:59:19,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4536 transitions. [2024-11-22 17:59:19,914 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8894117647058823 [2024-11-22 17:59:19,914 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 926 flow. Second operand 10 states and 4536 transitions. [2024-11-22 17:59:19,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 496 transitions, 1258 flow [2024-11-22 17:59:19,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 496 transitions, 1258 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:59:19,923 INFO L231 Difference]: Finished difference. Result has 450 places, 473 transitions, 1181 flow [2024-11-22 17:59:19,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=926, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1181, PETRI_PLACES=450, PETRI_TRANSITIONS=473} [2024-11-22 17:59:19,925 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -22 predicate places. [2024-11-22 17:59:19,925 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 473 transitions, 1181 flow [2024-11-22 17:59:19,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 448.2857142857143) internal successors, (3138), 7 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:19,927 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:19,927 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:19,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 17:59:19,928 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:19,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:19,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1270908050, now seen corresponding path program 1 times [2024-11-22 17:59:19,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:19,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293416795] [2024-11-22 17:59:19,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:19,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:20,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:20,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293416795] [2024-11-22 17:59:20,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293416795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:20,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:20,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:59:20,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827424613] [2024-11-22 17:59:20,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:20,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 17:59:20,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:20,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 17:59:20,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 17:59:20,159 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 472 out of 510 [2024-11-22 17:59:20,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 473 transitions, 1181 flow. Second operand has 5 states, 5 states have (on average 474.0) internal successors, (2370), 5 states have internal predecessors, (2370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:20,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:20,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 472 of 510 [2024-11-22 17:59:20,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:20,550 INFO L124 PetriNetUnfolderBase]: 153/2461 cut-off events. [2024-11-22 17:59:20,551 INFO L125 PetriNetUnfolderBase]: For 78/123 co-relation queries the response was YES. [2024-11-22 17:59:20,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3016 conditions, 2461 events. 153/2461 cut-off events. For 78/123 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 14893 event pairs, 45 based on Foata normal form. 10/2294 useless extension candidates. Maximal degree in co-relation 2965. Up to 121 conditions per place. [2024-11-22 17:59:20,573 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 24 selfloop transitions, 5 changer transitions 0/484 dead transitions. [2024-11-22 17:59:20,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 484 transitions, 1269 flow [2024-11-22 17:59:20,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 17:59:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 17:59:20,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2390 transitions. [2024-11-22 17:59:20,579 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9372549019607843 [2024-11-22 17:59:20,579 INFO L175 Difference]: Start difference. First operand has 450 places, 473 transitions, 1181 flow. Second operand 5 states and 2390 transitions. [2024-11-22 17:59:20,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 484 transitions, 1269 flow [2024-11-22 17:59:20,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 484 transitions, 1269 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:59:20,590 INFO L231 Difference]: Finished difference. Result has 456 places, 475 transitions, 1206 flow [2024-11-22 17:59:20,591 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1181, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1206, PETRI_PLACES=456, PETRI_TRANSITIONS=475} [2024-11-22 17:59:20,591 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -16 predicate places. [2024-11-22 17:59:20,592 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 475 transitions, 1206 flow [2024-11-22 17:59:20,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 474.0) internal successors, (2370), 5 states have internal predecessors, (2370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:20,593 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:20,594 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:20,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:59:20,594 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:20,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:20,595 INFO L85 PathProgramCache]: Analyzing trace with hash -201436069, now seen corresponding path program 1 times [2024-11-22 17:59:20,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:20,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368753528] [2024-11-22 17:59:20,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:20,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:21,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:21,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:21,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368753528] [2024-11-22 17:59:21,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368753528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:21,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:21,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:59:21,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427233986] [2024-11-22 17:59:21,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:21,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:59:21,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:21,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:59:21,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:59:21,575 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-22 17:59:21,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 475 transitions, 1206 flow. Second operand has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:21,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:21,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-22 17:59:21,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:24,083 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1249] L67-2-->L67-3: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][364], [504#(= |#race~N~0| 0), 210#L89-4true, 484#L51-3true, Black: 543#(<= ~N~0 0), 252#L67-3true, 559#true, Black: 544#(and (<= ~N~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), Black: 548#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 550#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), 536#(= |#race~C2~0| 0), Black: 526#true, 347#L62true, 525#(= |#race~M~0| 0), Black: 562#(<= (+ ~M~0 1) 0), Black: 530#true, Black: 563#(and (<= (+ ~M~0 1) 0) (= thread2Thread1of1ForFork0_~i~1 0)), 538#true, 528#(= |#race~C1~0| 0), Black: 534#true, 532#(= |#race~A~0| 0), 566#true]) [2024-11-22 17:59:24,083 INFO L294 olderBase$Statistics]: this new event has 349 ancestors and is cut-off event [2024-11-22 17:59:24,083 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-22 17:59:24,083 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-22 17:59:24,084 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-22 17:59:24,438 INFO L124 PetriNetUnfolderBase]: 2248/13787 cut-off events. [2024-11-22 17:59:24,438 INFO L125 PetriNetUnfolderBase]: For 873/909 co-relation queries the response was YES. [2024-11-22 17:59:24,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18861 conditions, 13787 events. 2248/13787 cut-off events. For 873/909 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 151505 event pairs, 1160 based on Foata normal form. 0/12402 useless extension candidates. Maximal degree in co-relation 18809. Up to 3033 conditions per place. [2024-11-22 17:59:24,532 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 54 selfloop transitions, 38 changer transitions 0/520 dead transitions. [2024-11-22 17:59:24,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 520 transitions, 1488 flow [2024-11-22 17:59:24,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:59:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:59:24,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-22 17:59:24,537 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-22 17:59:24,537 INFO L175 Difference]: Start difference. First operand has 456 places, 475 transitions, 1206 flow. Second operand 6 states and 2767 transitions. [2024-11-22 17:59:24,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 520 transitions, 1488 flow [2024-11-22 17:59:24,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 520 transitions, 1483 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:59:24,548 INFO L231 Difference]: Finished difference. Result has 464 places, 512 transitions, 1455 flow [2024-11-22 17:59:24,549 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1201, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1455, PETRI_PLACES=464, PETRI_TRANSITIONS=512} [2024-11-22 17:59:24,549 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -8 predicate places. [2024-11-22 17:59:24,550 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 512 transitions, 1455 flow [2024-11-22 17:59:24,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:24,550 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:24,551 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:24,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 17:59:24,551 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:24,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:24,551 INFO L85 PathProgramCache]: Analyzing trace with hash -306494371, now seen corresponding path program 1 times [2024-11-22 17:59:24,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:24,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2410251] [2024-11-22 17:59:24,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:24,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:24,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:24,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:24,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2410251] [2024-11-22 17:59:24,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2410251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:24,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:24,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:59:24,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324840049] [2024-11-22 17:59:24,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:24,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:59:24,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:24,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:59:24,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:59:24,606 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-22 17:59:24,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 512 transitions, 1455 flow. Second operand has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:24,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:24,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-22 17:59:24,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:25,891 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1249] L67-2-->L67-3: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][358], [579#(= |#race~B~0| 0), 210#L89-4true, Black: 526#true, 525#(= |#race~M~0| 0), Black: 530#true, Black: 534#true, 566#true, 379#L59-1true, 504#(= |#race~N~0| 0), 484#L51-3true, Black: 543#(<= ~N~0 0), 252#L67-3true, Black: 544#(and (<= ~N~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), Black: 548#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 550#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), 536#(= |#race~C2~0| 0), Black: 562#(<= (+ ~M~0 1) 0), Black: 563#(and (<= (+ ~M~0 1) 0) (= thread2Thread1of1ForFork0_~i~1 0)), 538#true, 528#(= |#race~C1~0| 0), 532#(= |#race~A~0| 0), Black: 570#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1))) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 2 ~A~0.offset)) 0)), Black: 569#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1)))), Black: 568#(= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0), Black: 571#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1))) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 3 ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 2 ~A~0.offset)) 0))]) [2024-11-22 17:59:25,891 INFO L294 olderBase$Statistics]: this new event has 349 ancestors and is cut-off event [2024-11-22 17:59:25,891 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-22 17:59:25,891 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-22 17:59:25,891 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-22 17:59:26,227 INFO L124 PetriNetUnfolderBase]: 1600/11576 cut-off events. [2024-11-22 17:59:26,228 INFO L125 PetriNetUnfolderBase]: For 741/958 co-relation queries the response was YES. [2024-11-22 17:59:26,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16517 conditions, 11576 events. 1600/11576 cut-off events. For 741/958 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 122681 event pairs, 343 based on Foata normal form. 0/10650 useless extension candidates. Maximal degree in co-relation 16462. Up to 1365 conditions per place. [2024-11-22 17:59:26,342 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 18 selfloop transitions, 3 changer transitions 0/517 dead transitions. [2024-11-22 17:59:26,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 517 transitions, 1512 flow [2024-11-22 17:59:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:59:26,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:59:26,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1449 transitions. [2024-11-22 17:59:26,345 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9470588235294117 [2024-11-22 17:59:26,345 INFO L175 Difference]: Start difference. First operand has 464 places, 512 transitions, 1455 flow. Second operand 3 states and 1449 transitions. [2024-11-22 17:59:26,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 517 transitions, 1512 flow [2024-11-22 17:59:26,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 517 transitions, 1512 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:59:26,357 INFO L231 Difference]: Finished difference. Result has 464 places, 512 transitions, 1470 flow [2024-11-22 17:59:26,357 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1449, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1470, PETRI_PLACES=464, PETRI_TRANSITIONS=512} [2024-11-22 17:59:26,358 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -8 predicate places. [2024-11-22 17:59:26,358 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 512 transitions, 1470 flow [2024-11-22 17:59:26,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:26,359 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:26,359 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:26,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 17:59:26,359 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:26,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:26,360 INFO L85 PathProgramCache]: Analyzing trace with hash 307600196, now seen corresponding path program 1 times [2024-11-22 17:59:26,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:26,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534456830] [2024-11-22 17:59:26,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:26,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:26,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:26,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534456830] [2024-11-22 17:59:26,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534456830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:26,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:26,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:59:26,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883160535] [2024-11-22 17:59:26,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:26,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:59:26,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:26,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:59:26,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:59:27,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-22 17:59:27,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 512 transitions, 1470 flow. Second operand has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:27,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:27,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-22 17:59:27,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:31,158 INFO L124 PetriNetUnfolderBase]: 4627/22163 cut-off events. [2024-11-22 17:59:31,158 INFO L125 PetriNetUnfolderBase]: For 5452/8009 co-relation queries the response was YES. [2024-11-22 17:59:31,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36861 conditions, 22163 events. 4627/22163 cut-off events. For 5452/8009 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 266946 event pairs, 1255 based on Foata normal form. 57/20417 useless extension candidates. Maximal degree in co-relation 36804. Up to 5415 conditions per place. [2024-11-22 17:59:31,352 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 85 selfloop transitions, 110 changer transitions 0/629 dead transitions. [2024-11-22 17:59:31,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 629 transitions, 2432 flow [2024-11-22 17:59:31,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:59:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:59:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-22 17:59:31,358 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-22 17:59:31,358 INFO L175 Difference]: Start difference. First operand has 464 places, 512 transitions, 1470 flow. Second operand 6 states and 2767 transitions. [2024-11-22 17:59:31,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 629 transitions, 2432 flow [2024-11-22 17:59:31,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 629 transitions, 2432 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:59:31,385 INFO L231 Difference]: Finished difference. Result has 474 places, 621 transitions, 2528 flow [2024-11-22 17:59:31,385 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1470, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2528, PETRI_PLACES=474, PETRI_TRANSITIONS=621} [2024-11-22 17:59:31,385 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, 2 predicate places. [2024-11-22 17:59:31,386 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 621 transitions, 2528 flow [2024-11-22 17:59:31,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:31,390 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:31,390 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:31,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 17:59:31,391 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:31,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:31,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1630523393, now seen corresponding path program 1 times [2024-11-22 17:59:31,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:31,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793598886] [2024-11-22 17:59:31,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:31,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:32,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:32,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793598886] [2024-11-22 17:59:32,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793598886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:32,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:32,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:59:32,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922206046] [2024-11-22 17:59:32,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:32,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:59:32,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:32,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:59:32,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:59:32,664 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-22 17:59:32,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 621 transitions, 2528 flow. Second operand has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:32,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:32,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-22 17:59:32,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:37,847 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1249] L67-2-->L67-3: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][357], [579#(= |#race~B~0| 0), Black: 577#true, 592#true, 210#L89-4true, Black: 586#(and (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) 3 ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) 2 ~A~0.offset)) 0)), Black: 583#(= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset)) 0), Black: 585#(and (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) 2 ~A~0.offset)) 0)), Black: 584#(and (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset)) 0)), Black: 526#true, 525#(= |#race~M~0| 0), Black: 530#true, Black: 534#true, 566#true, 504#(= |#race~N~0| 0), 484#L51-3true, Black: 543#(<= ~N~0 0), 252#L67-3true, Black: 544#(and (<= ~N~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), Black: 548#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 550#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), 536#(= |#race~C2~0| 0), Black: 562#(<= (+ ~M~0 1) 0), 347#L62true, Black: 563#(and (<= (+ ~M~0 1) 0) (= thread2Thread1of1ForFork0_~i~1 0)), 538#true, 528#(= |#race~C1~0| 0), 581#true, 532#(= |#race~A~0| 0), Black: 570#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1))) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 2 ~A~0.offset)) 0)), Black: 569#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1)))), Black: 568#(= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0), Black: 571#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1))) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 3 ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 2 ~A~0.offset)) 0))]) [2024-11-22 17:59:37,848 INFO L294 olderBase$Statistics]: this new event has 349 ancestors and is cut-off event [2024-11-22 17:59:37,848 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-22 17:59:37,848 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-22 17:59:37,848 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-22 17:59:39,062 INFO L124 PetriNetUnfolderBase]: 6954/31115 cut-off events. [2024-11-22 17:59:39,062 INFO L125 PetriNetUnfolderBase]: For 23390/33898 co-relation queries the response was YES. [2024-11-22 17:59:39,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61286 conditions, 31115 events. 6954/31115 cut-off events. For 23390/33898 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 394027 event pairs, 1661 based on Foata normal form. 203/29017 useless extension candidates. Maximal degree in co-relation 61224. Up to 7756 conditions per place. [2024-11-22 17:59:39,434 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 187 selfloop transitions, 215 changer transitions 0/838 dead transitions. [2024-11-22 17:59:39,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 838 transitions, 5026 flow [2024-11-22 17:59:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:59:39,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:59:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-22 17:59:39,439 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-22 17:59:39,439 INFO L175 Difference]: Start difference. First operand has 474 places, 621 transitions, 2528 flow. Second operand 6 states and 2767 transitions. [2024-11-22 17:59:39,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 838 transitions, 5026 flow [2024-11-22 17:59:39,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 838 transitions, 5026 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:59:39,485 INFO L231 Difference]: Finished difference. Result has 484 places, 830 transitions, 5178 flow [2024-11-22 17:59:39,486 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=2528, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5178, PETRI_PLACES=484, PETRI_TRANSITIONS=830} [2024-11-22 17:59:39,486 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, 12 predicate places. [2024-11-22 17:59:39,487 INFO L471 AbstractCegarLoop]: Abstraction has has 484 places, 830 transitions, 5178 flow [2024-11-22 17:59:39,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:39,488 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:39,488 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:39,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 17:59:39,488 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:39,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:39,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1993451370, now seen corresponding path program 1 times [2024-11-22 17:59:39,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:39,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19122060] [2024-11-22 17:59:39,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:39,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:40,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:40,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19122060] [2024-11-22 17:59:40,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19122060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:40,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:40,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:59:40,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991166295] [2024-11-22 17:59:40,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:40,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:59:40,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:40,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:59:40,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:59:40,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-22 17:59:40,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 830 transitions, 5178 flow. Second operand has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:40,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:40,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-22 17:59:40,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:59:48,488 INFO L124 PetriNetUnfolderBase]: 10076/38698 cut-off events. [2024-11-22 17:59:48,489 INFO L125 PetriNetUnfolderBase]: For 70199/78935 co-relation queries the response was YES. [2024-11-22 17:59:48,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93348 conditions, 38698 events. 10076/38698 cut-off events. For 70199/78935 co-relation queries the response was YES. Maximal size of possible extension queue 940. Compared 496714 event pairs, 1689 based on Foata normal form. 670/36723 useless extension candidates. Maximal degree in co-relation 93281. Up to 11029 conditions per place. [2024-11-22 17:59:48,941 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 382 selfloop transitions, 495 changer transitions 0/1319 dead transitions. [2024-11-22 17:59:48,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 1319 transitions, 12054 flow [2024-11-22 17:59:48,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:59:48,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:59:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-22 17:59:48,945 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-22 17:59:48,947 INFO L175 Difference]: Start difference. First operand has 484 places, 830 transitions, 5178 flow. Second operand 6 states and 2767 transitions. [2024-11-22 17:59:48,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 1319 transitions, 12054 flow [2024-11-22 17:59:49,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 1319 transitions, 12054 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:59:49,146 INFO L231 Difference]: Finished difference. Result has 494 places, 1311 transitions, 12524 flow [2024-11-22 17:59:49,151 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=5178, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=830, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=12524, PETRI_PLACES=494, PETRI_TRANSITIONS=1311} [2024-11-22 17:59:49,151 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, 22 predicate places. [2024-11-22 17:59:49,151 INFO L471 AbstractCegarLoop]: Abstraction has has 494 places, 1311 transitions, 12524 flow [2024-11-22 17:59:49,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:49,153 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:59:49,153 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:59:49,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 17:59:49,153 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-22 17:59:49,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:59:49,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1793621469, now seen corresponding path program 1 times [2024-11-22 17:59:49,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:59:49,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609455269] [2024-11-22 17:59:49,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:59:49,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:59:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:59:49,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:59:49,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:59:49,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609455269] [2024-11-22 17:59:49,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609455269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:59:49,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:59:49,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:59:49,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462332697] [2024-11-22 17:59:49,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:59:49,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:59:49,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:59:49,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:59:49,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:59:49,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 510 [2024-11-22 17:59:49,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 1311 transitions, 12524 flow. Second operand has 6 states, 6 states have (on average 419.1666666666667) internal successors, (2515), 6 states have internal predecessors, (2515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:59:49,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:59:49,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 510 [2024-11-22 17:59:49,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand