./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-ticket-5.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 9c69d99d457f457373aeec8cf091a3652593de03a43f690cddfeb4bfa1e12a5f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 07:01:10,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:01:10,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 07:01:10,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:01:10,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:01:10,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:01:10,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:01:10,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:01:10,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:01:10,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:01:10,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 07:01:10,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 07:01:10,287 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 07:01:10,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:01:10,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:01:10,288 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:01:10,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:01:10,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:01:10,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:01:10,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:01:10,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:01:10,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:01:10,290 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 07:01:10,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:01:10,293 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:01:10,293 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:01:10,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:01:10,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:01:10,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:01:10,294 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:01:10,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:01:10,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:01:10,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:01:10,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:01:10,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:01:10,295 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 07:01:10,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:01:10,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:01:10,296 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 07:01:10,296 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 07:01:10,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:01:10,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c69d99d457f457373aeec8cf091a3652593de03a43f690cddfeb4bfa1e12a5f [2024-11-09 07:01:10,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:01:10,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:01:10,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:01:10,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:01:10,505 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:01:10,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2024-11-09 07:01:11,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:01:11,924 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:01:11,924 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2024-11-09 07:01:11,931 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41109e50/9296411ea7b843b5b9f42ee9db4f63a4/FLAG92d43dcb7 [2024-11-09 07:01:11,941 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41109e50/9296411ea7b843b5b9f42ee9db4f63a4 [2024-11-09 07:01:11,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:01:11,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:01:11,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:01:11,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:01:11,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:01:11,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:01:11" (1/1) ... [2024-11-09 07:01:11,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221c093d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:11, skipping insertion in model container [2024-11-09 07:01:11,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:01:11" (1/1) ... [2024-11-09 07:01:11,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:01:12,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:01:12,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:01:12,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:01:12,232 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:01:12,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12 WrapperNode [2024-11-09 07:01:12,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:01:12,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:01:12,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:01:12,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:01:12,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12" (1/1) ... [2024-11-09 07:01:12,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12" (1/1) ... [2024-11-09 07:01:12,295 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 256 [2024-11-09 07:01:12,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:01:12,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:01:12,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:01:12,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:01:12,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12" (1/1) ... [2024-11-09 07:01:12,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12" (1/1) ... [2024-11-09 07:01:12,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12" (1/1) ... [2024-11-09 07:01:12,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12" (1/1) ... [2024-11-09 07:01:12,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12" (1/1) ... [2024-11-09 07:01:12,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12" (1/1) ... [2024-11-09 07:01:12,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12" (1/1) ... [2024-11-09 07:01:12,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12" (1/1) ... [2024-11-09 07:01:12,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:01:12,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:01:12,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:01:12,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:01:12,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12" (1/1) ... [2024-11-09 07:01:12,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:01:12,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 07:01:12,359 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) [2024-11-09 07:01:12,361 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 [2024-11-09 07:01:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:01:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 07:01:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 07:01:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 07:01:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 07:01:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 07:01:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 07:01:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-09 07:01:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-09 07:01:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:01:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-09 07:01:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-09 07:01:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:01:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:01:12,398 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 07:01:12,493 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:01:12,495 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:01:12,824 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 07:01:12,825 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:01:12,866 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:01:12,866 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:01:12,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:01:12 BoogieIcfgContainer [2024-11-09 07:01:12,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:01:12,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:01:12,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:01:12,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:01:12,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:01:11" (1/3) ... [2024-11-09 07:01:12,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432adaac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:01:12, skipping insertion in model container [2024-11-09 07:01:12,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:01:12" (2/3) ... [2024-11-09 07:01:12,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432adaac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:01:12, skipping insertion in model container [2024-11-09 07:01:12,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:01:12" (3/3) ... [2024-11-09 07:01:12,877 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-5.wvr.c [2024-11-09 07:01:12,891 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:01:12,892 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-11-09 07:01:12,892 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 07:01:12,992 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-09 07:01:13,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 286 places, 281 transitions, 597 flow [2024-11-09 07:01:13,121 INFO L124 PetriNetUnfolderBase]: 11/276 cut-off events. [2024-11-09 07:01:13,122 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-09 07:01:13,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 276 events. 11/276 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 476 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 233. Up to 2 conditions per place. [2024-11-09 07:01:13,132 INFO L82 GeneralOperation]: Start removeDead. Operand has 286 places, 281 transitions, 597 flow [2024-11-09 07:01:13,139 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 265 places, 259 transitions, 545 flow [2024-11-09 07:01:13,146 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:01:13,151 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;@1f11cba9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:01:13,151 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-09 07:01:13,160 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 07:01:13,160 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-11-09 07:01:13,160 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 07:01:13,161 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:13,161 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] [2024-11-09 07:01:13,162 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:13,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:13,166 INFO L85 PathProgramCache]: Analyzing trace with hash 285471371, now seen corresponding path program 1 times [2024-11-09 07:01:13,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:13,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666393395] [2024-11-09 07:01:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:13,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:13,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:13,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666393395] [2024-11-09 07:01:13,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666393395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:13,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:13,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:13,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055198334] [2024-11-09 07:01:13,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:13,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:13,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:13,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:13,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:13,373 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-09 07:01:13,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 259 transitions, 545 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-09 07:01:13,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:13,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-09 07:01:13,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:15,049 INFO L124 PetriNetUnfolderBase]: 2112/10432 cut-off events. [2024-11-09 07:01:15,050 INFO L125 PetriNetUnfolderBase]: For 561/561 co-relation queries the response was YES. [2024-11-09 07:01:15,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13475 conditions, 10432 events. 2112/10432 cut-off events. For 561/561 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 119043 event pairs, 1784 based on Foata normal form. 767/9569 useless extension candidates. Maximal degree in co-relation 12989. Up to 2513 conditions per place. [2024-11-09 07:01:15,160 INFO L140 encePairwiseOnDemand]: 272/281 looper letters, 24 selfloop transitions, 2 changer transitions 1/252 dead transitions. [2024-11-09 07:01:15,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 252 transitions, 583 flow [2024-11-09 07:01:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:15,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:15,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 765 transitions. [2024-11-09 07:01:15,175 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9074733096085409 [2024-11-09 07:01:15,177 INFO L175 Difference]: Start difference. First operand has 265 places, 259 transitions, 545 flow. Second operand 3 states and 765 transitions. [2024-11-09 07:01:15,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 252 transitions, 583 flow [2024-11-09 07:01:15,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 252 transitions, 566 flow, removed 0 selfloop flow, removed 9 redundant places. [2024-11-09 07:01:15,189 INFO L231 Difference]: Finished difference. Result has 257 places, 251 transitions, 516 flow [2024-11-09 07:01:15,191 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=257, PETRI_TRANSITIONS=251} [2024-11-09 07:01:15,195 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -8 predicate places. [2024-11-09 07:01:15,195 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 251 transitions, 516 flow [2024-11-09 07:01:15,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-09 07:01:15,196 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:15,197 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:01:15,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:01:15,197 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:15,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:15,198 INFO L85 PathProgramCache]: Analyzing trace with hash -987359909, now seen corresponding path program 1 times [2024-11-09 07:01:15,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:15,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858603969] [2024-11-09 07:01:15,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:15,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:15,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:15,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:15,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858603969] [2024-11-09 07:01:15,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858603969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:15,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:15,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:15,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715329214] [2024-11-09 07:01:15,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:15,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:15,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:15,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:15,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:15,296 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-09 07:01:15,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 251 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-09 07:01:15,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:15,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-09 07:01:15,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:16,619 INFO L124 PetriNetUnfolderBase]: 2278/10788 cut-off events. [2024-11-09 07:01:16,619 INFO L125 PetriNetUnfolderBase]: For 174/174 co-relation queries the response was YES. [2024-11-09 07:01:16,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13853 conditions, 10788 events. 2278/10788 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 123142 event pairs, 1944 based on Foata normal form. 0/9091 useless extension candidates. Maximal degree in co-relation 13817. Up to 2725 conditions per place. [2024-11-09 07:01:16,735 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 24 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2024-11-09 07:01:16,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 250 transitions, 566 flow [2024-11-09 07:01:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:16,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-09 07:01:16,738 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900355871886121 [2024-11-09 07:01:16,738 INFO L175 Difference]: Start difference. First operand has 257 places, 251 transitions, 516 flow. Second operand 3 states and 759 transitions. [2024-11-09 07:01:16,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 250 transitions, 566 flow [2024-11-09 07:01:16,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 250 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:01:16,744 INFO L231 Difference]: Finished difference. Result has 255 places, 250 transitions, 514 flow [2024-11-09 07:01:16,744 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=255, PETRI_TRANSITIONS=250} [2024-11-09 07:01:16,745 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -10 predicate places. [2024-11-09 07:01:16,745 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 250 transitions, 514 flow [2024-11-09 07:01:16,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-09 07:01:16,746 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:16,746 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] [2024-11-09 07:01:16,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:01:16,747 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:16,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:16,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1592282044, now seen corresponding path program 1 times [2024-11-09 07:01:16,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:16,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722724763] [2024-11-09 07:01:16,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:16,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:16,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:16,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:16,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722724763] [2024-11-09 07:01:16,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722724763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:16,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:16,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:16,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078722755] [2024-11-09 07:01:16,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:16,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:16,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:16,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:16,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:16,823 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-09 07:01:16,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 250 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-09 07:01:16,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:16,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-09 07:01:16,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:17,883 INFO L124 PetriNetUnfolderBase]: 2280/10069 cut-off events. [2024-11-09 07:01:17,883 INFO L125 PetriNetUnfolderBase]: For 192/192 co-relation queries the response was YES. [2024-11-09 07:01:17,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13172 conditions, 10069 events. 2280/10069 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 111361 event pairs, 1976 based on Foata normal form. 0/8453 useless extension candidates. Maximal degree in co-relation 13128. Up to 2769 conditions per place. [2024-11-09 07:01:17,978 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 24 selfloop transitions, 2 changer transitions 0/249 dead transitions. [2024-11-09 07:01:17,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 249 transitions, 564 flow [2024-11-09 07:01:17,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:17,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-09 07:01:17,981 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900355871886121 [2024-11-09 07:01:17,981 INFO L175 Difference]: Start difference. First operand has 255 places, 250 transitions, 514 flow. Second operand 3 states and 759 transitions. [2024-11-09 07:01:17,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 249 transitions, 564 flow [2024-11-09 07:01:17,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 249 transitions, 560 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:01:17,984 INFO L231 Difference]: Finished difference. Result has 254 places, 249 transitions, 512 flow [2024-11-09 07:01:17,985 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=512, PETRI_PLACES=254, PETRI_TRANSITIONS=249} [2024-11-09 07:01:17,985 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -11 predicate places. [2024-11-09 07:01:17,985 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 249 transitions, 512 flow [2024-11-09 07:01:17,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-09 07:01:17,986 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:17,986 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] [2024-11-09 07:01:17,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:01:17,987 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:17,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:17,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1841425130, now seen corresponding path program 1 times [2024-11-09 07:01:17,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:17,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081494426] [2024-11-09 07:01:17,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:17,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:18,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:18,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:18,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081494426] [2024-11-09 07:01:18,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081494426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:18,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:18,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:18,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650054673] [2024-11-09 07:01:18,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:18,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:18,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:18,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:18,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:18,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-09 07:01:18,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 249 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-09 07:01:18,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:18,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-09 07:01:18,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:19,147 INFO L124 PetriNetUnfolderBase]: 2188/8536 cut-off events. [2024-11-09 07:01:19,147 INFO L125 PetriNetUnfolderBase]: For 198/198 co-relation queries the response was YES. [2024-11-09 07:01:19,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11577 conditions, 8536 events. 2188/8536 cut-off events. For 198/198 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 89139 event pairs, 1944 based on Foata normal form. 0/7148 useless extension candidates. Maximal degree in co-relation 11525. Up to 2725 conditions per place. [2024-11-09 07:01:19,216 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 24 selfloop transitions, 2 changer transitions 0/248 dead transitions. [2024-11-09 07:01:19,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 248 transitions, 562 flow [2024-11-09 07:01:19,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:19,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-09 07:01:19,219 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900355871886121 [2024-11-09 07:01:19,219 INFO L175 Difference]: Start difference. First operand has 254 places, 249 transitions, 512 flow. Second operand 3 states and 759 transitions. [2024-11-09 07:01:19,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 248 transitions, 562 flow [2024-11-09 07:01:19,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 248 transitions, 558 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:01:19,222 INFO L231 Difference]: Finished difference. Result has 253 places, 248 transitions, 510 flow [2024-11-09 07:01:19,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=510, PETRI_PLACES=253, PETRI_TRANSITIONS=248} [2024-11-09 07:01:19,223 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -12 predicate places. [2024-11-09 07:01:19,223 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 248 transitions, 510 flow [2024-11-09 07:01:19,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-09 07:01:19,224 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:19,224 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] [2024-11-09 07:01:19,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:01:19,224 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:19,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:19,225 INFO L85 PathProgramCache]: Analyzing trace with hash 749159949, now seen corresponding path program 1 times [2024-11-09 07:01:19,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:19,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754744569] [2024-11-09 07:01:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:19,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:19,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:19,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:19,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754744569] [2024-11-09 07:01:19,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754744569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:19,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:19,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:19,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652221790] [2024-11-09 07:01:19,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:19,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:19,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:19,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:19,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:19,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-09 07:01:19,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 248 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-09 07:01:19,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:19,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-09 07:01:19,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:20,416 INFO L124 PetriNetUnfolderBase]: 2118/10633 cut-off events. [2024-11-09 07:01:20,417 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2024-11-09 07:01:20,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13354 conditions, 10633 events. 2118/10633 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 119986 event pairs, 1784 based on Foata normal form. 0/8987 useless extension candidates. Maximal degree in co-relation 13294. Up to 2513 conditions per place. [2024-11-09 07:01:20,486 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 24 selfloop transitions, 2 changer transitions 0/247 dead transitions. [2024-11-09 07:01:20,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 247 transitions, 560 flow [2024-11-09 07:01:20,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:20,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-09 07:01:20,488 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900355871886121 [2024-11-09 07:01:20,488 INFO L175 Difference]: Start difference. First operand has 253 places, 248 transitions, 510 flow. Second operand 3 states and 759 transitions. [2024-11-09 07:01:20,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 247 transitions, 560 flow [2024-11-09 07:01:20,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 247 transitions, 556 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:01:20,491 INFO L231 Difference]: Finished difference. Result has 252 places, 247 transitions, 508 flow [2024-11-09 07:01:20,492 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=508, PETRI_PLACES=252, PETRI_TRANSITIONS=247} [2024-11-09 07:01:20,492 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -13 predicate places. [2024-11-09 07:01:20,492 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 247 transitions, 508 flow [2024-11-09 07:01:20,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-09 07:01:20,493 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:20,493 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:01:20,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:01:20,493 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:20,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:20,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1388484959, now seen corresponding path program 1 times [2024-11-09 07:01:20,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:20,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605357057] [2024-11-09 07:01:20,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:20,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:20,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:20,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605357057] [2024-11-09 07:01:20,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605357057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:20,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:20,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:20,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659316004] [2024-11-09 07:01:20,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:20,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:20,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:20,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:20,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:20,560 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-09 07:01:20,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 247 transitions, 508 flow. Second operand has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 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) [2024-11-09 07:01:20,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:20,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-09 07:01:20,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:22,011 INFO L124 PetriNetUnfolderBase]: 3102/12484 cut-off events. [2024-11-09 07:01:22,011 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES. [2024-11-09 07:01:22,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16871 conditions, 12484 events. 3102/12484 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 144281 event pairs, 2108 based on Foata normal form. 0/10599 useless extension candidates. Maximal degree in co-relation 16803. Up to 2956 conditions per place. [2024-11-09 07:01:22,103 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/258 dead transitions. [2024-11-09 07:01:22,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 258 transitions, 609 flow [2024-11-09 07:01:22,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:22,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-09 07:01:22,105 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-09 07:01:22,105 INFO L175 Difference]: Start difference. First operand has 252 places, 247 transitions, 508 flow. Second operand 3 states and 776 transitions. [2024-11-09 07:01:22,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 258 transitions, 609 flow [2024-11-09 07:01:22,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 258 transitions, 605 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:01:22,108 INFO L231 Difference]: Finished difference. Result has 251 places, 246 transitions, 506 flow [2024-11-09 07:01:22,109 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=251, PETRI_TRANSITIONS=246} [2024-11-09 07:01:22,109 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -14 predicate places. [2024-11-09 07:01:22,110 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 246 transitions, 506 flow [2024-11-09 07:01:22,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 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) [2024-11-09 07:01:22,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:22,110 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:01:22,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 07:01:22,111 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:22,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:22,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1807943198, now seen corresponding path program 1 times [2024-11-09 07:01:22,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:22,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651710859] [2024-11-09 07:01:22,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:22,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:22,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:22,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:22,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651710859] [2024-11-09 07:01:22,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651710859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:22,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:22,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:22,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744809138] [2024-11-09 07:01:22,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:22,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:22,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:22,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:22,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:22,183 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-09 07:01:22,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 246 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 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) [2024-11-09 07:01:22,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:22,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-09 07:01:22,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:22,963 INFO L124 PetriNetUnfolderBase]: 2274/8550 cut-off events. [2024-11-09 07:01:22,964 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES. [2024-11-09 07:01:23,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12045 conditions, 8550 events. 2274/8550 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 90771 event pairs, 1330 based on Foata normal form. 0/7568 useless extension candidates. Maximal degree in co-relation 8122. Up to 1739 conditions per place. [2024-11-09 07:01:23,030 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 34 selfloop transitions, 1 changer transitions 0/257 dead transitions. [2024-11-09 07:01:23,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 257 transitions, 603 flow [2024-11-09 07:01:23,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-09 07:01:23,032 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-09 07:01:23,032 INFO L175 Difference]: Start difference. First operand has 251 places, 246 transitions, 506 flow. Second operand 3 states and 780 transitions. [2024-11-09 07:01:23,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 257 transitions, 603 flow [2024-11-09 07:01:23,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 257 transitions, 599 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:01:23,038 INFO L231 Difference]: Finished difference. Result has 250 places, 245 transitions, 502 flow [2024-11-09 07:01:23,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=250, PETRI_TRANSITIONS=245} [2024-11-09 07:01:23,039 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -15 predicate places. [2024-11-09 07:01:23,039 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 245 transitions, 502 flow [2024-11-09 07:01:23,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 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) [2024-11-09 07:01:23,040 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:23,040 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] [2024-11-09 07:01:23,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 07:01:23,041 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:23,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:23,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1924736647, now seen corresponding path program 1 times [2024-11-09 07:01:23,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:23,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895604984] [2024-11-09 07:01:23,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:23,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:23,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:23,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895604984] [2024-11-09 07:01:23,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895604984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:23,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:23,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:23,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320160975] [2024-11-09 07:01:23,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:23,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:23,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:23,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:23,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:23,096 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-09 07:01:23,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 245 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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) [2024-11-09 07:01:23,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:23,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-09 07:01:23,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:24,225 INFO L124 PetriNetUnfolderBase]: 3543/13227 cut-off events. [2024-11-09 07:01:24,225 INFO L125 PetriNetUnfolderBase]: For 249/249 co-relation queries the response was YES. [2024-11-09 07:01:24,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18150 conditions, 13227 events. 3543/13227 cut-off events. For 249/249 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 150937 event pairs, 2348 based on Foata normal form. 0/11238 useless extension candidates. Maximal degree in co-relation 13510. Up to 3274 conditions per place. [2024-11-09 07:01:24,380 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/256 dead transitions. [2024-11-09 07:01:24,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 256 transitions, 603 flow [2024-11-09 07:01:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:24,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:24,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-09 07:01:24,383 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-09 07:01:24,383 INFO L175 Difference]: Start difference. First operand has 250 places, 245 transitions, 502 flow. Second operand 3 states and 776 transitions. [2024-11-09 07:01:24,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 256 transitions, 603 flow [2024-11-09 07:01:24,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 256 transitions, 602 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:01:24,387 INFO L231 Difference]: Finished difference. Result has 250 places, 244 transitions, 503 flow [2024-11-09 07:01:24,387 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=503, PETRI_PLACES=250, PETRI_TRANSITIONS=244} [2024-11-09 07:01:24,387 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -15 predicate places. [2024-11-09 07:01:24,388 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 244 transitions, 503 flow [2024-11-09 07:01:24,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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) [2024-11-09 07:01:24,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:24,388 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:01:24,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 07:01:24,389 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:24,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:24,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1905989238, now seen corresponding path program 1 times [2024-11-09 07:01:24,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:24,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972630024] [2024-11-09 07:01:24,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:24,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:24,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:24,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972630024] [2024-11-09 07:01:24,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972630024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:24,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:24,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:24,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757508674] [2024-11-09 07:01:24,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:24,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:24,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:24,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:24,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:24,461 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-09 07:01:24,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 244 transitions, 503 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 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) [2024-11-09 07:01:24,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:24,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-09 07:01:24,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:25,620 INFO L124 PetriNetUnfolderBase]: 2627/9738 cut-off events. [2024-11-09 07:01:25,621 INFO L125 PetriNetUnfolderBase]: For 342/342 co-relation queries the response was YES. [2024-11-09 07:01:25,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13605 conditions, 9738 events. 2627/9738 cut-off events. For 342/342 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 105001 event pairs, 1395 based on Foata normal form. 0/8491 useless extension candidates. Maximal degree in co-relation 9859. Up to 1760 conditions per place. [2024-11-09 07:01:25,756 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 34 selfloop transitions, 1 changer transitions 0/255 dead transitions. [2024-11-09 07:01:25,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 255 transitions, 600 flow [2024-11-09 07:01:25,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-09 07:01:25,759 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-09 07:01:25,759 INFO L175 Difference]: Start difference. First operand has 250 places, 244 transitions, 503 flow. Second operand 3 states and 780 transitions. [2024-11-09 07:01:25,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 255 transitions, 600 flow [2024-11-09 07:01:25,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 255 transitions, 596 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:01:25,764 INFO L231 Difference]: Finished difference. Result has 249 places, 243 transitions, 499 flow [2024-11-09 07:01:25,765 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=499, PETRI_PLACES=249, PETRI_TRANSITIONS=243} [2024-11-09 07:01:25,765 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -16 predicate places. [2024-11-09 07:01:25,766 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 243 transitions, 499 flow [2024-11-09 07:01:25,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 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) [2024-11-09 07:01:25,766 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:25,766 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] [2024-11-09 07:01:25,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 07:01:25,767 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:25,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:25,767 INFO L85 PathProgramCache]: Analyzing trace with hash -578652627, now seen corresponding path program 1 times [2024-11-09 07:01:25,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:25,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996166164] [2024-11-09 07:01:25,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:25,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:25,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:25,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996166164] [2024-11-09 07:01:25,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996166164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:25,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:25,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:25,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033133935] [2024-11-09 07:01:25,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:25,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:25,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:25,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:25,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:25,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-09 07:01:25,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 243 transitions, 499 flow. Second operand has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 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) [2024-11-09 07:01:25,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:25,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-09 07:01:25,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:27,222 INFO L124 PetriNetUnfolderBase]: 3578/11658 cut-off events. [2024-11-09 07:01:27,223 INFO L125 PetriNetUnfolderBase]: For 297/297 co-relation queries the response was YES. [2024-11-09 07:01:27,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16707 conditions, 11658 events. 3578/11658 cut-off events. For 297/297 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 124842 event pairs, 2396 based on Foata normal form. 0/9928 useless extension candidates. Maximal degree in co-relation 12634. Up to 3340 conditions per place. [2024-11-09 07:01:27,381 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/254 dead transitions. [2024-11-09 07:01:27,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 254 transitions, 600 flow [2024-11-09 07:01:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:27,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:27,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-09 07:01:27,384 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-09 07:01:27,384 INFO L175 Difference]: Start difference. First operand has 249 places, 243 transitions, 499 flow. Second operand 3 states and 776 transitions. [2024-11-09 07:01:27,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 254 transitions, 600 flow [2024-11-09 07:01:27,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 254 transitions, 599 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:01:27,392 INFO L231 Difference]: Finished difference. Result has 249 places, 242 transitions, 500 flow [2024-11-09 07:01:27,393 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=249, PETRI_TRANSITIONS=242} [2024-11-09 07:01:27,393 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -16 predicate places. [2024-11-09 07:01:27,393 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 242 transitions, 500 flow [2024-11-09 07:01:27,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 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) [2024-11-09 07:01:27,395 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:27,395 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:01:27,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 07:01:27,396 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:27,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:27,397 INFO L85 PathProgramCache]: Analyzing trace with hash -820075280, now seen corresponding path program 1 times [2024-11-09 07:01:27,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:27,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508147744] [2024-11-09 07:01:27,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:27,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:27,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:27,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508147744] [2024-11-09 07:01:27,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508147744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:27,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:27,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:27,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890949376] [2024-11-09 07:01:27,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:27,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:27,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:27,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:27,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:27,458 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-09 07:01:27,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 242 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:01:27,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:27,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-09 07:01:27,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:28,589 INFO L124 PetriNetUnfolderBase]: 2699/9424 cut-off events. [2024-11-09 07:01:28,589 INFO L125 PetriNetUnfolderBase]: For 378/378 co-relation queries the response was YES. [2024-11-09 07:01:28,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13421 conditions, 9424 events. 2699/9424 cut-off events. For 378/378 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 98595 event pairs, 1122 based on Foata normal form. 0/8139 useless extension candidates. Maximal degree in co-relation 9958. Up to 1745 conditions per place. [2024-11-09 07:01:28,703 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 34 selfloop transitions, 1 changer transitions 0/253 dead transitions. [2024-11-09 07:01:28,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 253 transitions, 597 flow [2024-11-09 07:01:28,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:28,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:28,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-09 07:01:28,705 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-09 07:01:28,705 INFO L175 Difference]: Start difference. First operand has 249 places, 242 transitions, 500 flow. Second operand 3 states and 780 transitions. [2024-11-09 07:01:28,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 253 transitions, 597 flow [2024-11-09 07:01:28,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 253 transitions, 593 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:01:28,712 INFO L231 Difference]: Finished difference. Result has 248 places, 241 transitions, 496 flow [2024-11-09 07:01:28,712 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=248, PETRI_TRANSITIONS=241} [2024-11-09 07:01:28,713 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -17 predicate places. [2024-11-09 07:01:28,713 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 241 transitions, 496 flow [2024-11-09 07:01:28,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:01:28,714 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:28,714 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] [2024-11-09 07:01:28,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 07:01:28,714 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:28,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:28,715 INFO L85 PathProgramCache]: Analyzing trace with hash -264887605, now seen corresponding path program 1 times [2024-11-09 07:01:28,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:28,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331465669] [2024-11-09 07:01:28,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:28,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:28,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:28,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331465669] [2024-11-09 07:01:28,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331465669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:28,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:28,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:28,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210390106] [2024-11-09 07:01:28,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:28,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:28,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:28,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:28,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:28,765 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-09 07:01:28,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 241 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 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) [2024-11-09 07:01:28,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:28,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-09 07:01:28,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:29,886 INFO L124 PetriNetUnfolderBase]: 3402/9302 cut-off events. [2024-11-09 07:01:29,887 INFO L125 PetriNetUnfolderBase]: For 315/315 co-relation queries the response was YES. [2024-11-09 07:01:29,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14263 conditions, 9302 events. 3402/9302 cut-off events. For 315/315 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 89924 event pairs, 2348 based on Foata normal form. 0/8037 useless extension candidates. Maximal degree in co-relation 10113. Up to 3274 conditions per place. [2024-11-09 07:01:30,016 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/252 dead transitions. [2024-11-09 07:01:30,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 252 transitions, 597 flow [2024-11-09 07:01:30,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:30,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-09 07:01:30,018 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-09 07:01:30,019 INFO L175 Difference]: Start difference. First operand has 248 places, 241 transitions, 496 flow. Second operand 3 states and 776 transitions. [2024-11-09 07:01:30,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 252 transitions, 597 flow [2024-11-09 07:01:30,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 252 transitions, 596 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:01:30,026 INFO L231 Difference]: Finished difference. Result has 248 places, 240 transitions, 497 flow [2024-11-09 07:01:30,026 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=248, PETRI_TRANSITIONS=240} [2024-11-09 07:01:30,027 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -17 predicate places. [2024-11-09 07:01:30,027 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 240 transitions, 497 flow [2024-11-09 07:01:30,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 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) [2024-11-09 07:01:30,028 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:30,028 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:01:30,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 07:01:30,028 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread4Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:30,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:30,029 INFO L85 PathProgramCache]: Analyzing trace with hash -790920882, now seen corresponding path program 1 times [2024-11-09 07:01:30,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:30,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26255037] [2024-11-09 07:01:30,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:30,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:30,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:30,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26255037] [2024-11-09 07:01:30,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26255037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:30,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:30,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:30,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747611584] [2024-11-09 07:01:30,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:30,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:30,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:30,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:30,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:30,075 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-09 07:01:30,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 240 transitions, 497 flow. Second operand has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 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) [2024-11-09 07:01:30,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:30,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-09 07:01:30,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:31,104 INFO L124 PetriNetUnfolderBase]: 2594/8243 cut-off events. [2024-11-09 07:01:31,105 INFO L125 PetriNetUnfolderBase]: For 384/384 co-relation queries the response was YES. [2024-11-09 07:01:31,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12262 conditions, 8243 events. 2594/8243 cut-off events. For 384/384 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 81032 event pairs, 1134 based on Foata normal form. 0/7322 useless extension candidates. Maximal degree in co-relation 8701. Up to 1658 conditions per place. [2024-11-09 07:01:31,196 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 34 selfloop transitions, 1 changer transitions 0/251 dead transitions. [2024-11-09 07:01:31,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 251 transitions, 594 flow [2024-11-09 07:01:31,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:31,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-09 07:01:31,199 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-09 07:01:31,199 INFO L175 Difference]: Start difference. First operand has 248 places, 240 transitions, 497 flow. Second operand 3 states and 780 transitions. [2024-11-09 07:01:31,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 251 transitions, 594 flow [2024-11-09 07:01:31,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 251 transitions, 590 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:01:31,206 INFO L231 Difference]: Finished difference. Result has 247 places, 239 transitions, 493 flow [2024-11-09 07:01:31,206 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=247, PETRI_TRANSITIONS=239} [2024-11-09 07:01:31,207 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -18 predicate places. [2024-11-09 07:01:31,207 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 239 transitions, 493 flow [2024-11-09 07:01:31,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 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) [2024-11-09 07:01:31,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:31,208 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] [2024-11-09 07:01:31,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 07:01:31,208 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread5Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:31,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:31,208 INFO L85 PathProgramCache]: Analyzing trace with hash 369028398, now seen corresponding path program 1 times [2024-11-09 07:01:31,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:31,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318992519] [2024-11-09 07:01:31,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:31,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:31,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:31,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318992519] [2024-11-09 07:01:31,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318992519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:31,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:31,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:31,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031193875] [2024-11-09 07:01:31,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:31,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:31,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:31,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:31,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:31,259 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-09 07:01:31,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 239 transitions, 493 flow. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2024-11-09 07:01:31,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:31,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-09 07:01:31,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:32,576 INFO L124 PetriNetUnfolderBase]: 3096/10754 cut-off events. [2024-11-09 07:01:32,576 INFO L125 PetriNetUnfolderBase]: For 320/320 co-relation queries the response was YES. [2024-11-09 07:01:32,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15036 conditions, 10754 events. 3096/10754 cut-off events. For 320/320 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 112822 event pairs, 2108 based on Foata normal form. 0/9404 useless extension candidates. Maximal degree in co-relation 12647. Up to 2956 conditions per place. [2024-11-09 07:01:32,706 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2024-11-09 07:01:32,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 250 transitions, 593 flow [2024-11-09 07:01:32,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-09 07:01:32,708 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-09 07:01:32,708 INFO L175 Difference]: Start difference. First operand has 247 places, 239 transitions, 493 flow. Second operand 3 states and 776 transitions. [2024-11-09 07:01:32,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 250 transitions, 593 flow [2024-11-09 07:01:32,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 250 transitions, 592 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:01:32,715 INFO L231 Difference]: Finished difference. Result has 247 places, 238 transitions, 494 flow [2024-11-09 07:01:32,715 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=247, PETRI_TRANSITIONS=238} [2024-11-09 07:01:32,716 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -18 predicate places. [2024-11-09 07:01:32,716 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 238 transitions, 494 flow [2024-11-09 07:01:32,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2024-11-09 07:01:32,717 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:32,717 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:01:32,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 07:01:32,718 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread5Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-09 07:01:32,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:32,718 INFO L85 PathProgramCache]: Analyzing trace with hash -156299023, now seen corresponding path program 1 times [2024-11-09 07:01:32,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:32,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739825097] [2024-11-09 07:01:32,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:32,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:32,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:32,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739825097] [2024-11-09 07:01:32,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739825097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:32,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:32,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:32,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060285978] [2024-11-09 07:01:32,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:32,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:32,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:32,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:32,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:32,778 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-09 07:01:32,779 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 238 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 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) [2024-11-09 07:01:32,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:32,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-09 07:01:32,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:33,907 INFO L124 PetriNetUnfolderBase]: 2448/9505 cut-off events. [2024-11-09 07:01:33,908 INFO L125 PetriNetUnfolderBase]: For 361/361 co-relation queries the response was YES. [2024-11-09 07:01:33,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13019 conditions, 9505 events. 2448/9505 cut-off events. For 361/361 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 99944 event pairs, 1136 based on Foata normal form. 0/8455 useless extension candidates. Maximal degree in co-relation 10630. Up to 1621 conditions per place. [2024-11-09 07:01:33,991 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 0 selfloop transitions, 0 changer transitions 249/249 dead transitions. [2024-11-09 07:01:33,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 249 transitions, 590 flow [2024-11-09 07:01:33,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:33,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:33,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-09 07:01:33,993 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-09 07:01:33,993 INFO L175 Difference]: Start difference. First operand has 247 places, 238 transitions, 494 flow. Second operand 3 states and 780 transitions. [2024-11-09 07:01:33,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 249 transitions, 590 flow [2024-11-09 07:01:33,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 249 transitions, 586 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:01:33,996 INFO L231 Difference]: Finished difference. Result has 246 places, 0 transitions, 0 flow [2024-11-09 07:01:33,996 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=246, PETRI_TRANSITIONS=0} [2024-11-09 07:01:33,996 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -19 predicate places. [2024-11-09 07:01:33,996 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 0 transitions, 0 flow [2024-11-09 07:01:33,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 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) [2024-11-09 07:01:34,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2024-11-09 07:01:34,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2024-11-09 07:01:34,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2024-11-09 07:01:34,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2024-11-09 07:01:34,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2024-11-09 07:01:34,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2024-11-09 07:01:34,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2024-11-09 07:01:34,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2024-11-09 07:01:34,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2024-11-09 07:01:34,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2024-11-09 07:01:34,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2024-11-09 07:01:34,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 30 remaining) [2024-11-09 07:01:34,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 30 remaining) [2024-11-09 07:01:34,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 30 remaining) [2024-11-09 07:01:34,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 30 remaining) [2024-11-09 07:01:34,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 30 remaining) [2024-11-09 07:01:34,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2024-11-09 07:01:34,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2024-11-09 07:01:34,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining) [2024-11-09 07:01:34,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2024-11-09 07:01:34,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2024-11-09 07:01:34,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2024-11-09 07:01:34,004 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2024-11-09 07:01:34,004 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2024-11-09 07:01:34,004 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2024-11-09 07:01:34,004 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2024-11-09 07:01:34,004 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2024-11-09 07:01:34,004 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2024-11-09 07:01:34,005 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2024-11-09 07:01:34,005 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2024-11-09 07:01:34,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 07:01:34,005 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:01:34,010 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 07:01:34,010 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:01:34,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:01:34 BasicIcfg [2024-11-09 07:01:34,014 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:01:34,015 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:01:34,015 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:01:34,015 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:01:34,016 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:01:12" (3/4) ... [2024-11-09 07:01:34,017 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 07:01:34,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 07:01:34,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 07:01:34,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-09 07:01:34,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-09 07:01:34,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-11-09 07:01:34,025 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-09 07:01:34,025 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 07:01:34,025 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 07:01:34,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 07:01:34,114 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 07:01:34,115 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 07:01:34,115 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:01:34,115 INFO L158 Benchmark]: Toolchain (without parser) took 22171.08ms. Allocated memory was 172.0MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 101.1MB in the beginning and 5.6GB in the end (delta: -5.5GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-09 07:01:34,115 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:01:34,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.61ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 142.9MB in the end (delta: -42.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-09 07:01:34,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.99ms. Allocated memory is still 172.0MB. Free memory was 142.9MB in the beginning and 140.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:01:34,116 INFO L158 Benchmark]: Boogie Preprocessor took 23.10ms. Allocated memory is still 172.0MB. Free memory was 140.3MB in the beginning and 138.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:01:34,116 INFO L158 Benchmark]: RCFGBuilder took 546.67ms. Allocated memory is still 172.0MB. Free memory was 138.2MB in the beginning and 114.7MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 07:01:34,116 INFO L158 Benchmark]: TraceAbstraction took 21145.41ms. Allocated memory was 172.0MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 113.9MB in the beginning and 5.6GB in the end (delta: -5.5GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-09 07:01:34,116 INFO L158 Benchmark]: Witness Printer took 100.26ms. Allocated memory is still 7.8GB. Free memory was 5.6GB in the beginning and 5.6GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 07:01:34,119 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.61ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 142.9MB in the end (delta: -42.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.99ms. Allocated memory is still 172.0MB. Free memory was 142.9MB in the beginning and 140.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.10ms. Allocated memory is still 172.0MB. Free memory was 140.3MB in the beginning and 138.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.67ms. Allocated memory is still 172.0MB. Free memory was 138.2MB in the beginning and 114.7MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 21145.41ms. Allocated memory was 172.0MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 113.9MB in the beginning and 5.6GB in the end (delta: -5.5GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * Witness Printer took 100.26ms. Allocated memory is still 7.8GB. Free memory was 5.6GB in the beginning and 5.6GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 406 locations, 30 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 21.0s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 392 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 920 IncrementalHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 69 mSDtfsCounter, 920 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=545occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1300 NumberOfCodeBlocks, 1300 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1285 ConstructedInterpolants, 0 QuantifiedInterpolants, 1315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 07:01:34,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE