./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.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/popl20-more-array-sum-alt.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 cd36b7f18dbd530fce94e0943ff58c16da276fcc41b96fdafde87c3c69036175 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 07:01:59,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:01:59,369 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 07:01:59,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:01:59,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:01:59,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:01:59,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:01:59,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:01:59,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:01:59,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:01:59,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 07:01:59,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 07:01:59,394 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 07:01:59,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:01:59,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:01:59,395 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:01:59,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:01:59,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:01:59,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:01:59,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:01:59,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:01:59,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:01:59,400 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 07:01:59,400 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:01:59,400 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:01:59,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:01:59,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:01:59,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:01:59,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:01:59,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:01:59,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:01:59,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:01:59,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:01:59,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:01:59,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:01:59,402 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 07:01:59,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:01:59,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:01:59,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 07:01:59,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 07:01:59,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:01:59,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd36b7f18dbd530fce94e0943ff58c16da276fcc41b96fdafde87c3c69036175 [2024-11-09 07:01:59,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:01:59,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:01:59,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:01:59,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:01:59,649 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:01:59,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-11-09 07:02:01,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:02:01,222 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:02:01,223 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-11-09 07:02:01,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bc78e68d/85867e3215cd454b9335158391a37622/FLAG6aecbcd5c [2024-11-09 07:02:01,255 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bc78e68d/85867e3215cd454b9335158391a37622 [2024-11-09 07:02:01,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:02:01,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:02:01,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:02:01,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:02:01,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:02:01,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636f8e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01, skipping insertion in model container [2024-11-09 07:02:01,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:02:01,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:02:01,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:02:01,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:02:01,586 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:02:01,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01 WrapperNode [2024-11-09 07:02:01,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:02:01,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:02:01,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:02:01,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:02:01,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,664 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 254 [2024-11-09 07:02:01,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:02:01,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:02:01,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:02:01,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:02:01,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:02:01,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:02:01,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:02:01,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:02:01,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01" (1/1) ... [2024-11-09 07:02:01,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:02:01,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 07:02:01,779 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 07:02:01,785 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 07:02:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:02:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 07:02:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 07:02:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 07:02:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 07:02:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 07:02:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 07:02:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:02:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:02:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:02:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:02:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:02:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:02:01,827 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 07:02:01,942 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:02:01,945 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:02:02,344 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 07:02:02,345 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:02:02,363 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:02:02,364 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 07:02:02,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:02 BoogieIcfgContainer [2024-11-09 07:02:02,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:02:02,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:02:02,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:02:02,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:02:02,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:02:01" (1/3) ... [2024-11-09 07:02:02,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779afe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:02:02, skipping insertion in model container [2024-11-09 07:02:02,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:01" (2/3) ... [2024-11-09 07:02:02,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779afe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:02:02, skipping insertion in model container [2024-11-09 07:02:02,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:02" (3/3) ... [2024-11-09 07:02:02,371 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2024-11-09 07:02:02,385 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:02:02,386 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-11-09 07:02:02,386 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 07:02:02,523 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-09 07:02:02,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 332 transitions, 685 flow [2024-11-09 07:02:02,680 INFO L124 PetriNetUnfolderBase]: 19/329 cut-off events. [2024-11-09 07:02:02,681 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 07:02:02,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 329 events. 19/329 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 703 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 250. Up to 2 conditions per place. [2024-11-09 07:02:02,688 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 332 transitions, 685 flow [2024-11-09 07:02:02,701 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 304 places, 312 transitions, 642 flow [2024-11-09 07:02:02,717 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:02:02,726 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;@110426ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:02:02,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-11-09 07:02:02,734 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 07:02:02,735 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-09 07:02:02,735 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 07:02:02,735 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:02,736 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:02,736 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:02,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:02,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2063134204, now seen corresponding path program 1 times [2024-11-09 07:02:02,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:02,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312243807] [2024-11-09 07:02:02,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:02,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:02,912 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 07:02:02,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:02,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312243807] [2024-11-09 07:02:02,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312243807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:02,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:02,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:02,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721494160] [2024-11-09 07:02:02,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:02,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:02,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:02,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:02,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:02,980 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 332 [2024-11-09 07:02:02,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 312 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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 07:02:02,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:02,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 332 [2024-11-09 07:02:02,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:03,124 INFO L124 PetriNetUnfolderBase]: 19/621 cut-off events. [2024-11-09 07:02:03,124 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-09 07:02:03,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 621 events. 19/621 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2636 event pairs, 7 based on Foata normal form. 34/580 useless extension candidates. Maximal degree in co-relation 471. Up to 31 conditions per place. [2024-11-09 07:02:03,135 INFO L140 encePairwiseOnDemand]: 316/332 looper letters, 13 selfloop transitions, 2 changer transitions 3/298 dead transitions. [2024-11-09 07:02:03,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 298 transitions, 644 flow [2024-11-09 07:02:03,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:03,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:03,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 929 transitions. [2024-11-09 07:02:03,152 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9327309236947792 [2024-11-09 07:02:03,155 INFO L175 Difference]: Start difference. First operand has 304 places, 312 transitions, 642 flow. Second operand 3 states and 929 transitions. [2024-11-09 07:02:03,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 298 transitions, 644 flow [2024-11-09 07:02:03,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 298 transitions, 632 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-09 07:02:03,166 INFO L231 Difference]: Finished difference. Result has 299 places, 295 transitions, 600 flow [2024-11-09 07:02:03,168 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=299, PETRI_TRANSITIONS=295} [2024-11-09 07:02:03,171 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -5 predicate places. [2024-11-09 07:02:03,171 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 295 transitions, 600 flow [2024-11-09 07:02:03,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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 07:02:03,172 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:03,174 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] [2024-11-09 07:02:03,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:02:03,175 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:03,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:03,177 INFO L85 PathProgramCache]: Analyzing trace with hash 394039442, now seen corresponding path program 1 times [2024-11-09 07:02:03,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:03,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629263137] [2024-11-09 07:02:03,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:03,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:03,235 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 07:02:03,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:03,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629263137] [2024-11-09 07:02:03,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629263137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:03,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:03,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:03,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719242028] [2024-11-09 07:02:03,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:03,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:03,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:03,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:03,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:03,276 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 332 [2024-11-09 07:02:03,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 295 transitions, 600 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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 07:02:03,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:03,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 332 [2024-11-09 07:02:03,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:03,395 INFO L124 PetriNetUnfolderBase]: 13/478 cut-off events. [2024-11-09 07:02:03,399 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 07:02:03,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 478 events. 13/478 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1696 event pairs, 5 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 486. Up to 27 conditions per place. [2024-11-09 07:02:03,403 INFO L140 encePairwiseOnDemand]: 329/332 looper letters, 13 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2024-11-09 07:02:03,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 294 transitions, 628 flow [2024-11-09 07:02:03,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:03,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2024-11-09 07:02:03,409 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9196787148594378 [2024-11-09 07:02:03,409 INFO L175 Difference]: Start difference. First operand has 299 places, 295 transitions, 600 flow. Second operand 3 states and 916 transitions. [2024-11-09 07:02:03,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 294 transitions, 628 flow [2024-11-09 07:02:03,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 294 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:02:03,418 INFO L231 Difference]: Finished difference. Result has 295 places, 294 transitions, 598 flow [2024-11-09 07:02:03,419 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=295, PETRI_TRANSITIONS=294} [2024-11-09 07:02:03,421 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -9 predicate places. [2024-11-09 07:02:03,421 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 294 transitions, 598 flow [2024-11-09 07:02:03,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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 07:02:03,422 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:03,422 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] [2024-11-09 07:02:03,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:02:03,423 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:03,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:03,423 INFO L85 PathProgramCache]: Analyzing trace with hash -275439763, now seen corresponding path program 1 times [2024-11-09 07:02:03,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:03,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418828213] [2024-11-09 07:02:03,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:03,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:03,473 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 07:02:03,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:03,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418828213] [2024-11-09 07:02:03,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418828213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:03,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:03,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:03,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096397386] [2024-11-09 07:02:03,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:03,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:03,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:03,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:03,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:03,499 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 332 [2024-11-09 07:02:03,500 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 294 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 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 07:02:03,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:03,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 332 [2024-11-09 07:02:03,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:03,571 INFO L124 PetriNetUnfolderBase]: 25/628 cut-off events. [2024-11-09 07:02:03,572 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-09 07:02:03,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 628 events. 25/628 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2831 event pairs, 12 based on Foata normal form. 0/558 useless extension candidates. Maximal degree in co-relation 649. Up to 46 conditions per place. [2024-11-09 07:02:03,580 INFO L140 encePairwiseOnDemand]: 327/332 looper letters, 14 selfloop transitions, 1 changer transitions 0/290 dead transitions. [2024-11-09 07:02:03,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 290 transitions, 620 flow [2024-11-09 07:02:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:03,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2024-11-09 07:02:03,584 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-09 07:02:03,584 INFO L175 Difference]: Start difference. First operand has 295 places, 294 transitions, 598 flow. Second operand 3 states and 913 transitions. [2024-11-09 07:02:03,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 290 transitions, 620 flow [2024-11-09 07:02:03,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 290 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:02:03,589 INFO L231 Difference]: Finished difference. Result has 291 places, 290 transitions, 588 flow [2024-11-09 07:02:03,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=291, PETRI_TRANSITIONS=290} [2024-11-09 07:02:03,591 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -13 predicate places. [2024-11-09 07:02:03,592 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 290 transitions, 588 flow [2024-11-09 07:02:03,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 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 07:02:03,593 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:03,593 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:03,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:02:03,594 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:03,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:03,595 INFO L85 PathProgramCache]: Analyzing trace with hash 275019192, now seen corresponding path program 1 times [2024-11-09 07:02:03,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:03,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437373936] [2024-11-09 07:02:03,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:03,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:04,103 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 07:02:04,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:04,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437373936] [2024-11-09 07:02:04,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437373936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:04,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:04,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:02:04,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450306501] [2024-11-09 07:02:04,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:04,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:02:04,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:04,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:02:04,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:02:04,256 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 332 [2024-11-09 07:02:04,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 290 transitions, 588 flow. Second operand has 6 states, 6 states have (on average 286.5) internal successors, (1719), 6 states have internal predecessors, (1719), 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 07:02:04,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:04,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 332 [2024-11-09 07:02:04,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:04,690 INFO L124 PetriNetUnfolderBase]: 394/3274 cut-off events. [2024-11-09 07:02:04,691 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-11-09 07:02:04,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3893 conditions, 3274 events. 394/3274 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 29624 event pairs, 264 based on Foata normal form. 0/2860 useless extension candidates. Maximal degree in co-relation 3856. Up to 580 conditions per place. [2024-11-09 07:02:04,722 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 26 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2024-11-09 07:02:04,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 289 transitions, 648 flow [2024-11-09 07:02:04,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:02:04,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:02:04,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1742 transitions. [2024-11-09 07:02:04,727 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8744979919678715 [2024-11-09 07:02:04,727 INFO L175 Difference]: Start difference. First operand has 291 places, 290 transitions, 588 flow. Second operand 6 states and 1742 transitions. [2024-11-09 07:02:04,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 289 transitions, 648 flow [2024-11-09 07:02:04,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 289 transitions, 647 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:02:04,731 INFO L231 Difference]: Finished difference. Result has 294 places, 289 transitions, 595 flow [2024-11-09 07:02:04,732 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=595, PETRI_PLACES=294, PETRI_TRANSITIONS=289} [2024-11-09 07:02:04,733 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -10 predicate places. [2024-11-09 07:02:04,734 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 289 transitions, 595 flow [2024-11-09 07:02:04,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 286.5) internal successors, (1719), 6 states have internal predecessors, (1719), 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 07:02:04,735 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:04,735 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:04,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:02:04,736 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:04,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:04,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1156619393, now seen corresponding path program 1 times [2024-11-09 07:02:04,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:04,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715748359] [2024-11-09 07:02:04,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:04,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:04,795 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 07:02:04,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:04,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715748359] [2024-11-09 07:02:04,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715748359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:04,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:04,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:04,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641179824] [2024-11-09 07:02:04,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:04,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:04,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:04,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:04,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:04,834 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 332 [2024-11-09 07:02:04,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 289 transitions, 595 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 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 07:02:04,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:04,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 332 [2024-11-09 07:02:04,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:04,922 INFO L124 PetriNetUnfolderBase]: 30/679 cut-off events. [2024-11-09 07:02:04,922 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-09 07:02:04,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 679 events. 30/679 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3156 event pairs, 15 based on Foata normal form. 0/610 useless extension candidates. Maximal degree in co-relation 726. Up to 48 conditions per place. [2024-11-09 07:02:04,929 INFO L140 encePairwiseOnDemand]: 329/332 looper letters, 12 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2024-11-09 07:02:04,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 288 transitions, 621 flow [2024-11-09 07:02:04,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 918 transitions. [2024-11-09 07:02:04,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9216867469879518 [2024-11-09 07:02:04,932 INFO L175 Difference]: Start difference. First operand has 294 places, 289 transitions, 595 flow. Second operand 3 states and 918 transitions. [2024-11-09 07:02:04,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 288 transitions, 621 flow [2024-11-09 07:02:04,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 288 transitions, 611 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:02:04,936 INFO L231 Difference]: Finished difference. Result has 290 places, 288 transitions, 587 flow [2024-11-09 07:02:04,936 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=587, PETRI_PLACES=290, PETRI_TRANSITIONS=288} [2024-11-09 07:02:04,937 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -14 predicate places. [2024-11-09 07:02:04,937 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 288 transitions, 587 flow [2024-11-09 07:02:04,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 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 07:02:04,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:04,938 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] [2024-11-09 07:02:04,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:02:04,938 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:04,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:04,939 INFO L85 PathProgramCache]: Analyzing trace with hash 380872868, now seen corresponding path program 1 times [2024-11-09 07:02:04,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:04,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970494000] [2024-11-09 07:02:04,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:04,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:04,963 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 07:02:04,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:04,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970494000] [2024-11-09 07:02:04,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970494000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:04,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:04,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:04,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46493123] [2024-11-09 07:02:04,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:04,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:04,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:04,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:04,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:04,979 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 332 [2024-11-09 07:02:04,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 288 transitions, 587 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 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 07:02:04,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:04,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 332 [2024-11-09 07:02:04,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:05,050 INFO L124 PetriNetUnfolderBase]: 37/767 cut-off events. [2024-11-09 07:02:05,050 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-09 07:02:05,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 767 events. 37/767 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3949 event pairs, 20 based on Foata normal form. 0/696 useless extension candidates. Maximal degree in co-relation 797. Up to 56 conditions per place. [2024-11-09 07:02:05,059 INFO L140 encePairwiseOnDemand]: 327/332 looper letters, 14 selfloop transitions, 1 changer transitions 0/284 dead transitions. [2024-11-09 07:02:05,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 284 transitions, 609 flow [2024-11-09 07:02:05,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:05,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2024-11-09 07:02:05,085 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-09 07:02:05,085 INFO L175 Difference]: Start difference. First operand has 290 places, 288 transitions, 587 flow. Second operand 3 states and 913 transitions. [2024-11-09 07:02:05,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 284 transitions, 609 flow [2024-11-09 07:02:05,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 284 transitions, 605 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:02:05,088 INFO L231 Difference]: Finished difference. Result has 286 places, 284 transitions, 577 flow [2024-11-09 07:02:05,089 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=286, PETRI_TRANSITIONS=284} [2024-11-09 07:02:05,089 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -18 predicate places. [2024-11-09 07:02:05,090 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 284 transitions, 577 flow [2024-11-09 07:02:05,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 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 07:02:05,090 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:05,090 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] [2024-11-09 07:02:05,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 07:02:05,091 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:05,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:05,091 INFO L85 PathProgramCache]: Analyzing trace with hash -788671253, now seen corresponding path program 1 times [2024-11-09 07:02:05,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:05,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018090591] [2024-11-09 07:02:05,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:05,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:05,123 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 07:02:05,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:05,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018090591] [2024-11-09 07:02:05,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018090591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:05,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:05,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:05,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114111862] [2024-11-09 07:02:05,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:05,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:05,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:05,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:05,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:05,137 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 332 [2024-11-09 07:02:05,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 284 transitions, 577 flow. Second operand has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 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 07:02:05,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:05,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 332 [2024-11-09 07:02:05,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:05,179 INFO L124 PetriNetUnfolderBase]: 14/403 cut-off events. [2024-11-09 07:02:05,180 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 07:02:05,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 403 events. 14/403 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1235 event pairs, 2 based on Foata normal form. 1/374 useless extension candidates. Maximal degree in co-relation 405. Up to 13 conditions per place. [2024-11-09 07:02:05,184 INFO L140 encePairwiseOnDemand]: 327/332 looper letters, 8 selfloop transitions, 2 changer transitions 2/284 dead transitions. [2024-11-09 07:02:05,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 284 transitions, 603 flow [2024-11-09 07:02:05,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:05,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:05,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 926 transitions. [2024-11-09 07:02:05,186 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.929718875502008 [2024-11-09 07:02:05,186 INFO L175 Difference]: Start difference. First operand has 286 places, 284 transitions, 577 flow. Second operand 3 states and 926 transitions. [2024-11-09 07:02:05,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 284 transitions, 603 flow [2024-11-09 07:02:05,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 284 transitions, 602 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:02:05,190 INFO L231 Difference]: Finished difference. Result has 285 places, 280 transitions, 571 flow [2024-11-09 07:02:05,190 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=285, PETRI_TRANSITIONS=280} [2024-11-09 07:02:05,191 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -19 predicate places. [2024-11-09 07:02:05,191 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 280 transitions, 571 flow [2024-11-09 07:02:05,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 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 07:02:05,192 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:05,192 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] [2024-11-09 07:02:05,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 07:02:05,192 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:05,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:05,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1998804787, now seen corresponding path program 1 times [2024-11-09 07:02:05,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:05,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806420331] [2024-11-09 07:02:05,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:05,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:05,219 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 07:02:05,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:05,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806420331] [2024-11-09 07:02:05,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806420331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:05,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:05,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:05,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372290049] [2024-11-09 07:02:05,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:05,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:05,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:05,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:05,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:05,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 332 [2024-11-09 07:02:05,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 280 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 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 07:02:05,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:05,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 332 [2024-11-09 07:02:05,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:05,367 INFO L124 PetriNetUnfolderBase]: 113/1677 cut-off events. [2024-11-09 07:02:05,367 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-09 07:02:05,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1871 conditions, 1677 events. 113/1677 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 12609 event pairs, 22 based on Foata normal form. 0/1529 useless extension candidates. Maximal degree in co-relation 1834. Up to 159 conditions per place. [2024-11-09 07:02:05,381 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 16 selfloop transitions, 3 changer transitions 0/284 dead transitions. [2024-11-09 07:02:05,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 284 transitions, 621 flow [2024-11-09 07:02:05,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 925 transitions. [2024-11-09 07:02:05,383 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.928714859437751 [2024-11-09 07:02:05,383 INFO L175 Difference]: Start difference. First operand has 285 places, 280 transitions, 571 flow. Second operand 3 states and 925 transitions. [2024-11-09 07:02:05,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 284 transitions, 621 flow [2024-11-09 07:02:05,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 284 transitions, 617 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:02:05,387 INFO L231 Difference]: Finished difference. Result has 281 places, 280 transitions, 582 flow [2024-11-09 07:02:05,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=281, PETRI_TRANSITIONS=280} [2024-11-09 07:02:05,388 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -23 predicate places. [2024-11-09 07:02:05,388 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 280 transitions, 582 flow [2024-11-09 07:02:05,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 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 07:02:05,389 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:05,389 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] [2024-11-09 07:02:05,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 07:02:05,390 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:05,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:05,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1538658321, now seen corresponding path program 1 times [2024-11-09 07:02:05,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:05,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465035938] [2024-11-09 07:02:05,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:05,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:05,553 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 07:02:05,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:05,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465035938] [2024-11-09 07:02:05,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465035938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:05,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:05,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 07:02:05,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010630461] [2024-11-09 07:02:05,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:05,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 07:02:05,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:05,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 07:02:05,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:02:05,654 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 332 [2024-11-09 07:02:05,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 280 transitions, 582 flow. Second operand has 7 states, 7 states have (on average 297.85714285714283) internal successors, (2085), 7 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:02:05,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:05,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 332 [2024-11-09 07:02:05,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:05,806 INFO L124 PetriNetUnfolderBase]: 52/1003 cut-off events. [2024-11-09 07:02:05,806 INFO L125 PetriNetUnfolderBase]: For 8/22 co-relation queries the response was YES. [2024-11-09 07:02:05,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1172 conditions, 1003 events. 52/1003 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5295 event pairs, 18 based on Foata normal form. 4/939 useless extension candidates. Maximal degree in co-relation 1133. Up to 62 conditions per place. [2024-11-09 07:02:05,815 INFO L140 encePairwiseOnDemand]: 319/332 looper letters, 20 selfloop transitions, 14 changer transitions 0/294 dead transitions. [2024-11-09 07:02:05,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 294 transitions, 685 flow [2024-11-09 07:02:05,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 07:02:05,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 07:02:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2995 transitions. [2024-11-09 07:02:05,820 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9021084337349398 [2024-11-09 07:02:05,820 INFO L175 Difference]: Start difference. First operand has 281 places, 280 transitions, 582 flow. Second operand 10 states and 2995 transitions. [2024-11-09 07:02:05,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 294 transitions, 685 flow [2024-11-09 07:02:05,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 294 transitions, 685 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:02:05,823 INFO L231 Difference]: Finished difference. Result has 294 places, 287 transitions, 648 flow [2024-11-09 07:02:05,824 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=648, PETRI_PLACES=294, PETRI_TRANSITIONS=287} [2024-11-09 07:02:05,824 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -10 predicate places. [2024-11-09 07:02:05,824 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 287 transitions, 648 flow [2024-11-09 07:02:05,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 297.85714285714283) internal successors, (2085), 7 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:02:05,826 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:05,826 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:02:05,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 07:02:05,826 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:05,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:05,827 INFO L85 PathProgramCache]: Analyzing trace with hash 367369130, now seen corresponding path program 1 times [2024-11-09 07:02:05,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:05,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049796785] [2024-11-09 07:02:05,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:05,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:05,909 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 07:02:05,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:05,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049796785] [2024-11-09 07:02:05,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049796785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:05,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:05,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:02:05,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821847996] [2024-11-09 07:02:05,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:05,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:02:05,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:05,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:02:05,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:02:05,949 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 332 [2024-11-09 07:02:05,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 287 transitions, 648 flow. Second operand has 5 states, 5 states have (on average 300.0) internal successors, (1500), 5 states have internal predecessors, (1500), 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 07:02:05,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:05,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 332 [2024-11-09 07:02:05,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:06,108 INFO L124 PetriNetUnfolderBase]: 95/1594 cut-off events. [2024-11-09 07:02:06,109 INFO L125 PetriNetUnfolderBase]: For 57/66 co-relation queries the response was YES. [2024-11-09 07:02:06,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1907 conditions, 1594 events. 95/1594 cut-off events. For 57/66 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 10883 event pairs, 34 based on Foata normal form. 8/1489 useless extension candidates. Maximal degree in co-relation 1859. Up to 103 conditions per place. [2024-11-09 07:02:06,126 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 22 selfloop transitions, 5 changer transitions 0/297 dead transitions. [2024-11-09 07:02:06,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 297 transitions, 729 flow [2024-11-09 07:02:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:02:06,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 07:02:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1518 transitions. [2024-11-09 07:02:06,128 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9144578313253012 [2024-11-09 07:02:06,128 INFO L175 Difference]: Start difference. First operand has 294 places, 287 transitions, 648 flow. Second operand 5 states and 1518 transitions. [2024-11-09 07:02:06,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 297 transitions, 729 flow [2024-11-09 07:02:06,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 297 transitions, 725 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:02:06,132 INFO L231 Difference]: Finished difference. Result has 299 places, 289 transitions, 669 flow [2024-11-09 07:02:06,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=669, PETRI_PLACES=299, PETRI_TRANSITIONS=289} [2024-11-09 07:02:06,133 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -5 predicate places. [2024-11-09 07:02:06,133 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 289 transitions, 669 flow [2024-11-09 07:02:06,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 300.0) internal successors, (1500), 5 states have internal predecessors, (1500), 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 07:02:06,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:06,135 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] [2024-11-09 07:02:06,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 07:02:06,135 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:06,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:06,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1313188407, now seen corresponding path program 1 times [2024-11-09 07:02:06,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:06,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673933478] [2024-11-09 07:02:06,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:06,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:06,413 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 07:02:06,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:06,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673933478] [2024-11-09 07:02:06,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673933478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:06,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:06,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:02:06,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468552878] [2024-11-09 07:02:06,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:06,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:02:06,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:06,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:02:06,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:02:06,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 332 [2024-11-09 07:02:06,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 289 transitions, 669 flow. Second operand has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 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 07:02:06,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:06,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 332 [2024-11-09 07:02:06,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:06,774 INFO L124 PetriNetUnfolderBase]: 112/1640 cut-off events. [2024-11-09 07:02:06,774 INFO L125 PetriNetUnfolderBase]: For 138/147 co-relation queries the response was YES. [2024-11-09 07:02:06,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2067 conditions, 1640 events. 112/1640 cut-off events. For 138/147 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 11079 event pairs, 31 based on Foata normal form. 0/1529 useless extension candidates. Maximal degree in co-relation 2020. Up to 124 conditions per place. [2024-11-09 07:02:06,789 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 24 selfloop transitions, 5 changer transitions 0/296 dead transitions. [2024-11-09 07:02:06,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 296 transitions, 749 flow [2024-11-09 07:02:06,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:02:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:02:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1804 transitions. [2024-11-09 07:02:06,793 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-09 07:02:06,793 INFO L175 Difference]: Start difference. First operand has 299 places, 289 transitions, 669 flow. Second operand 6 states and 1804 transitions. [2024-11-09 07:02:06,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 296 transitions, 749 flow [2024-11-09 07:02:06,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 296 transitions, 744 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:02:06,798 INFO L231 Difference]: Finished difference. Result has 301 places, 288 transitions, 672 flow [2024-11-09 07:02:06,798 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=672, PETRI_PLACES=301, PETRI_TRANSITIONS=288} [2024-11-09 07:02:06,799 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -3 predicate places. [2024-11-09 07:02:06,799 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 288 transitions, 672 flow [2024-11-09 07:02:06,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 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 07:02:06,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:06,800 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] [2024-11-09 07:02:06,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 07:02:06,801 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:06,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:06,801 INFO L85 PathProgramCache]: Analyzing trace with hash 274982150, now seen corresponding path program 1 times [2024-11-09 07:02:06,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:06,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427348539] [2024-11-09 07:02:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:06,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:07,086 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 07:02:07,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:07,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427348539] [2024-11-09 07:02:07,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427348539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:07,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:07,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:02:07,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561351083] [2024-11-09 07:02:07,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:07,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:02:07,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:07,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:02:07,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:02:07,224 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 332 [2024-11-09 07:02:07,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 288 transitions, 672 flow. Second operand has 6 states, 6 states have (on average 297.8333333333333) internal successors, (1787), 6 states have internal predecessors, (1787), 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 07:02:07,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:07,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 332 [2024-11-09 07:02:07,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:07,417 INFO L124 PetriNetUnfolderBase]: 182/1653 cut-off events. [2024-11-09 07:02:07,417 INFO L125 PetriNetUnfolderBase]: For 135/226 co-relation queries the response was YES. [2024-11-09 07:02:07,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2138 conditions, 1653 events. 182/1653 cut-off events. For 135/226 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 11967 event pairs, 44 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2091. Up to 173 conditions per place. [2024-11-09 07:02:07,425 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 22 selfloop transitions, 5 changer transitions 6/295 dead transitions. [2024-11-09 07:02:07,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 295 transitions, 748 flow [2024-11-09 07:02:07,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:02:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:02:07,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1804 transitions. [2024-11-09 07:02:07,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-09 07:02:07,428 INFO L175 Difference]: Start difference. First operand has 301 places, 288 transitions, 672 flow. Second operand 6 states and 1804 transitions. [2024-11-09 07:02:07,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 295 transitions, 748 flow [2024-11-09 07:02:07,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 295 transitions, 738 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:02:07,432 INFO L231 Difference]: Finished difference. Result has 300 places, 281 transitions, 638 flow [2024-11-09 07:02:07,433 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=638, PETRI_PLACES=300, PETRI_TRANSITIONS=281} [2024-11-09 07:02:07,433 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -4 predicate places. [2024-11-09 07:02:07,433 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 281 transitions, 638 flow [2024-11-09 07:02:07,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.8333333333333) internal successors, (1787), 6 states have internal predecessors, (1787), 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 07:02:07,434 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:07,434 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] [2024-11-09 07:02:07,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 07:02:07,435 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:07,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:07,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1440770683, now seen corresponding path program 1 times [2024-11-09 07:02:07,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:07,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120717137] [2024-11-09 07:02:07,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:07,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:07,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:02:07,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:07,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120717137] [2024-11-09 07:02:07,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120717137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:07,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:07,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:02:07,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747186530] [2024-11-09 07:02:07,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:07,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:02:07,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:07,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:02:07,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:02:07,845 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 332 [2024-11-09 07:02:07,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 281 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 298.1666666666667) internal successors, (1789), 6 states have internal predecessors, (1789), 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 07:02:07,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:07,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 332 [2024-11-09 07:02:07,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:07,962 INFO L124 PetriNetUnfolderBase]: 68/1078 cut-off events. [2024-11-09 07:02:07,963 INFO L125 PetriNetUnfolderBase]: For 26/32 co-relation queries the response was YES. [2024-11-09 07:02:07,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1386 conditions, 1078 events. 68/1078 cut-off events. For 26/32 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6437 event pairs, 17 based on Foata normal form. 0/1022 useless extension candidates. Maximal degree in co-relation 1339. Up to 67 conditions per place. [2024-11-09 07:02:07,973 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 22 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-11-09 07:02:07,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 288 transitions, 714 flow [2024-11-09 07:02:07,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:02:07,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:02:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1804 transitions. [2024-11-09 07:02:07,977 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-09 07:02:07,977 INFO L175 Difference]: Start difference. First operand has 300 places, 281 transitions, 638 flow. Second operand 6 states and 1804 transitions. [2024-11-09 07:02:07,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 288 transitions, 714 flow [2024-11-09 07:02:07,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 288 transitions, 684 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-11-09 07:02:07,981 INFO L231 Difference]: Finished difference. Result has 289 places, 280 transitions, 616 flow [2024-11-09 07:02:07,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=616, PETRI_PLACES=289, PETRI_TRANSITIONS=280} [2024-11-09 07:02:07,982 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -15 predicate places. [2024-11-09 07:02:07,983 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 280 transitions, 616 flow [2024-11-09 07:02:07,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 298.1666666666667) internal successors, (1789), 6 states have internal predecessors, (1789), 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 07:02:07,984 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:02:07,984 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:07,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 07:02:07,984 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-09 07:02:07,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:07,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1527161365, now seen corresponding path program 1 times [2024-11-09 07:02:07,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:02:07,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295359883] [2024-11-09 07:02:07,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:07,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:02:08,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:02:08,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295359883] [2024-11-09 07:02:08,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295359883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:08,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:08,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:08,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675231985] [2024-11-09 07:02:08,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:08,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:08,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:02:08,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:08,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:08,032 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 332 [2024-11-09 07:02:08,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 280 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 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 07:02:08,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:02:08,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 332 [2024-11-09 07:02:08,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:02:08,172 INFO L124 PetriNetUnfolderBase]: 56/1029 cut-off events. [2024-11-09 07:02:08,173 INFO L125 PetriNetUnfolderBase]: For 8/18 co-relation queries the response was YES. [2024-11-09 07:02:08,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1248 conditions, 1029 events. 56/1029 cut-off events. For 8/18 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6051 event pairs, 17 based on Foata normal form. 1/977 useless extension candidates. Maximal degree in co-relation 1207. Up to 58 conditions per place. [2024-11-09 07:02:08,180 INFO L140 encePairwiseOnDemand]: 329/332 looper letters, 0 selfloop transitions, 0 changer transitions 281/281 dead transitions. [2024-11-09 07:02:08,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 281 transitions, 644 flow [2024-11-09 07:02:08,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:08,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:02:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 925 transitions. [2024-11-09 07:02:08,182 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.928714859437751 [2024-11-09 07:02:08,182 INFO L175 Difference]: Start difference. First operand has 289 places, 280 transitions, 616 flow. Second operand 3 states and 925 transitions. [2024-11-09 07:02:08,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 281 transitions, 644 flow [2024-11-09 07:02:08,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 281 transitions, 634 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:02:08,186 INFO L231 Difference]: Finished difference. Result has 285 places, 0 transitions, 0 flow [2024-11-09 07:02:08,186 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=285, PETRI_TRANSITIONS=0} [2024-11-09 07:02:08,186 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -19 predicate places. [2024-11-09 07:02:08,186 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 0 transitions, 0 flow [2024-11-09 07:02:08,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 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 07:02:08,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2024-11-09 07:02:08,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2024-11-09 07:02:08,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2024-11-09 07:02:08,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2024-11-09 07:02:08,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2024-11-09 07:02:08,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2024-11-09 07:02:08,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2024-11-09 07:02:08,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2024-11-09 07:02:08,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2024-11-09 07:02:08,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2024-11-09 07:02:08,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2024-11-09 07:02:08,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2024-11-09 07:02:08,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2024-11-09 07:02:08,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2024-11-09 07:02:08,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2024-11-09 07:02:08,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2024-11-09 07:02:08,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2024-11-09 07:02:08,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2024-11-09 07:02:08,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2024-11-09 07:02:08,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2024-11-09 07:02:08,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2024-11-09 07:02:08,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2024-11-09 07:02:08,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 36 remaining) [2024-11-09 07:02:08,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 36 remaining) [2024-11-09 07:02:08,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2024-11-09 07:02:08,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2024-11-09 07:02:08,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2024-11-09 07:02:08,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2024-11-09 07:02:08,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2024-11-09 07:02:08,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2024-11-09 07:02:08,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2024-11-09 07:02:08,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2024-11-09 07:02:08,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2024-11-09 07:02:08,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2024-11-09 07:02:08,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2024-11-09 07:02:08,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2024-11-09 07:02:08,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 07:02:08,193 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:08,198 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 07:02:08,198 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:02:08,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:02:08 BasicIcfg [2024-11-09 07:02:08,201 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:02:08,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:02:08,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:02:08,202 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:02:08,202 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:02" (3/4) ... [2024-11-09 07:02:08,203 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 07:02:08,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 07:02:08,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 07:02:08,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-09 07:02:08,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-09 07:02:08,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 07:02:08,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 07:02:08,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 07:02:08,276 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 07:02:08,276 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 07:02:08,277 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:02:08,277 INFO L158 Benchmark]: Toolchain (without parser) took 7017.99ms. Allocated memory was 237.0MB in the beginning and 497.0MB in the end (delta: 260.0MB). Free memory was 165.9MB in the beginning and 389.2MB in the end (delta: -223.3MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-09 07:02:08,277 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:02:08,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.61ms. Allocated memory is still 237.0MB. Free memory was 165.9MB in the beginning and 151.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 07:02:08,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.58ms. Allocated memory is still 237.0MB. Free memory was 151.6MB in the beginning and 149.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:02:08,278 INFO L158 Benchmark]: Boogie Preprocessor took 60.29ms. Allocated memory is still 237.0MB. Free memory was 148.8MB in the beginning and 146.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:02:08,278 INFO L158 Benchmark]: RCFGBuilder took 638.22ms. Allocated memory is still 237.0MB. Free memory was 146.7MB in the beginning and 119.1MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 07:02:08,278 INFO L158 Benchmark]: TraceAbstraction took 5835.57ms. Allocated memory was 237.0MB in the beginning and 497.0MB in the end (delta: 260.0MB). Free memory was 118.4MB in the beginning and 394.5MB in the end (delta: -276.1MB). Peak memory consumption was 214.4MB. Max. memory is 16.1GB. [2024-11-09 07:02:08,278 INFO L158 Benchmark]: Witness Printer took 74.72ms. Allocated memory is still 497.0MB. Free memory was 394.5MB in the beginning and 389.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 07:02:08,279 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 130.0MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.61ms. Allocated memory is still 237.0MB. Free memory was 165.9MB in the beginning and 151.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.58ms. Allocated memory is still 237.0MB. Free memory was 151.6MB in the beginning and 149.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.29ms. Allocated memory is still 237.0MB. Free memory was 148.8MB in the beginning and 146.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 638.22ms. Allocated memory is still 237.0MB. Free memory was 146.7MB in the beginning and 119.1MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5835.57ms. Allocated memory was 237.0MB in the beginning and 497.0MB in the end (delta: 260.0MB). Free memory was 118.4MB in the beginning and 394.5MB in the end (delta: -276.1MB). Peak memory consumption was 214.4MB. Max. memory is 16.1GB. * Witness Printer took 74.72ms. Allocated memory is still 497.0MB. Free memory was 394.5MB in the beginning and 389.2MB 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: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 484 locations, 36 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: 5.6s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 870 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 505 mSDsluCounter, 337 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 279 mSDsCounter, 162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1294 IncrementalHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 162 mSolverCounterUnsat, 58 mSDtfsCounter, 1294 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=672occurred in iteration=11, InterpolantAutomatonStates: 63, 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, 1.7s InterpolantComputationTime, 1120 NumberOfCodeBlocks, 1120 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1106 ConstructedInterpolants, 0 QuantifiedInterpolants, 1804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 2/2 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 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 07:02:08,321 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