./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 3061b6dc 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-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:59:41,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:59:41,684 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:59:41,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:59:41,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:59:41,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:59:41,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:59:41,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:59:41,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:59:41,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:59:41,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:59:41,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:59:41,723 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:59:41,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:59:41,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:59:41,724 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:59:41,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:59:41,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:59:41,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:59:41,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:59:41,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:59:41,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:59:41,726 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:59:41,726 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:59:41,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:59:41,727 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:59:41,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:59:41,727 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:59:41,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:59:41,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:59:41,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:59:41,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:59:41,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:59:41,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:59:41,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:59:41,729 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:59:41,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:59:41,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:59:41,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:59:41,730 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:59:41,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:59:41,731 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd36b7f18dbd530fce94e0943ff58c16da276fcc41b96fdafde87c3c69036175 [2024-11-19 05:59:41,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:59:41,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:59:41,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:59:41,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:59:41,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:59:41,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-11-19 05:59:43,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:59:43,737 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:59:43,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-11-19 05:59:43,745 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e90de4d55/e3f8fb6970474d5b902f6a1040e80348/FLAGa5ba34056 [2024-11-19 05:59:43,759 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e90de4d55/e3f8fb6970474d5b902f6a1040e80348 [2024-11-19 05:59:43,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:59:43,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:59:43,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:59:43,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:59:43,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:59:43,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:59:43" (1/1) ... [2024-11-19 05:59:43,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69349206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:43, skipping insertion in model container [2024-11-19 05:59:43,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:59:43" (1/1) ... [2024-11-19 05:59:43,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:59:44,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:59:44,046 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:59:44,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:59:44,099 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:59:44,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44 WrapperNode [2024-11-19 05:59:44,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:59:44,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:59:44,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:59:44,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:59:44,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44" (1/1) ... [2024-11-19 05:59:44,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44" (1/1) ... [2024-11-19 05:59:44,162 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 254 [2024-11-19 05:59:44,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:59:44,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:59:44,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:59:44,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:59:44,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44" (1/1) ... [2024-11-19 05:59:44,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44" (1/1) ... [2024-11-19 05:59:44,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44" (1/1) ... [2024-11-19 05:59:44,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44" (1/1) ... [2024-11-19 05:59:44,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44" (1/1) ... [2024-11-19 05:59:44,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44" (1/1) ... [2024-11-19 05:59:44,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44" (1/1) ... [2024-11-19 05:59:44,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44" (1/1) ... [2024-11-19 05:59:44,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:59:44,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:59:44,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:59:44,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:59:44,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44" (1/1) ... [2024-11-19 05:59:44,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:59:44,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:59:44,278 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) [2024-11-19 05:59:44,282 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 [2024-11-19 05:59:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:59:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 05:59:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 05:59:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 05:59:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 05:59:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-19 05:59:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-19 05:59:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:59:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:59:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:59:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:59:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:59:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:59:44,338 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:59:44,488 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:59:44,490 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:59:44,947 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:59:44,947 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:59:44,965 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:59:44,965 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 05:59:44,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:59:44 BoogieIcfgContainer [2024-11-19 05:59:44,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:59:44,971 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:59:44,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:59:44,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:59:44,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:59:43" (1/3) ... [2024-11-19 05:59:44,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14eb9426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:59:44, skipping insertion in model container [2024-11-19 05:59:44,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:59:44" (2/3) ... [2024-11-19 05:59:44,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14eb9426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:59:44, skipping insertion in model container [2024-11-19 05:59:44,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:59:44" (3/3) ... [2024-11-19 05:59:44,982 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2024-11-19 05:59:44,998 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:59:44,998 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-11-19 05:59:44,998 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:59:45,133 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-19 05:59:45,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 332 transitions, 685 flow [2024-11-19 05:59:45,318 INFO L124 PetriNetUnfolderBase]: 19/329 cut-off events. [2024-11-19 05:59:45,318 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 05:59:45,334 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. [2024-11-19 05:59:45,334 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 332 transitions, 685 flow [2024-11-19 05:59:45,343 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 304 places, 312 transitions, 642 flow [2024-11-19 05:59:45,352 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:59:45,358 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;@6057d7a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:59:45,359 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-11-19 05:59:45,364 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:59:45,366 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-19 05:59:45,366 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:59:45,366 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:45,367 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:59:45,368 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)] === [2024-11-19 05:59:45,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:45,374 INFO L85 PathProgramCache]: Analyzing trace with hash 2063134204, now seen corresponding path program 1 times [2024-11-19 05:59:45,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:45,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585820587] [2024-11-19 05:59:45,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:45,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:45,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:59:45,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:45,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585820587] [2024-11-19 05:59:45,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585820587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:45,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:45,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:59:45,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337890763] [2024-11-19 05:59:45,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:45,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:59:45,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:45,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:59:45,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:59:45,771 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 332 [2024-11-19 05:59:45,776 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) [2024-11-19 05:59:45,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:45,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 332 [2024-11-19 05:59:45,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:45,918 INFO L124 PetriNetUnfolderBase]: 19/621 cut-off events. [2024-11-19 05:59:45,919 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-19 05:59:45,924 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. [2024-11-19 05:59:45,929 INFO L140 encePairwiseOnDemand]: 316/332 looper letters, 13 selfloop transitions, 2 changer transitions 3/298 dead transitions. [2024-11-19 05:59:45,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 298 transitions, 644 flow [2024-11-19 05:59:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:59:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:59:45,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 929 transitions. [2024-11-19 05:59:45,946 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9327309236947792 [2024-11-19 05:59:45,949 INFO L175 Difference]: Start difference. First operand has 304 places, 312 transitions, 642 flow. Second operand 3 states and 929 transitions. [2024-11-19 05:59:45,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 298 transitions, 644 flow [2024-11-19 05:59:45,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 298 transitions, 632 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-19 05:59:45,960 INFO L231 Difference]: Finished difference. Result has 299 places, 295 transitions, 600 flow [2024-11-19 05:59:45,963 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} [2024-11-19 05:59:45,967 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -5 predicate places. [2024-11-19 05:59:45,968 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 295 transitions, 600 flow [2024-11-19 05:59:45,968 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) [2024-11-19 05:59:45,968 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:45,968 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] [2024-11-19 05:59:45,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:59:45,969 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)] === [2024-11-19 05:59:45,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:45,969 INFO L85 PathProgramCache]: Analyzing trace with hash 394039442, now seen corresponding path program 1 times [2024-11-19 05:59:45,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:45,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660995550] [2024-11-19 05:59:45,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:45,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:59:46,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:46,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660995550] [2024-11-19 05:59:46,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660995550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:46,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:46,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:59:46,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461143458] [2024-11-19 05:59:46,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:46,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:59:46,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:46,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:59:46,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:59:46,087 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 332 [2024-11-19 05:59:46,089 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) [2024-11-19 05:59:46,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:46,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 332 [2024-11-19 05:59:46,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:46,327 INFO L124 PetriNetUnfolderBase]: 13/478 cut-off events. [2024-11-19 05:59:46,328 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:59:46,339 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. [2024-11-19 05:59:46,341 INFO L140 encePairwiseOnDemand]: 329/332 looper letters, 13 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2024-11-19 05:59:46,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 294 transitions, 628 flow [2024-11-19 05:59:46,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:59:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:59:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2024-11-19 05:59:46,352 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9196787148594378 [2024-11-19 05:59:46,352 INFO L175 Difference]: Start difference. First operand has 299 places, 295 transitions, 600 flow. Second operand 3 states and 916 transitions. [2024-11-19 05:59:46,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 294 transitions, 628 flow [2024-11-19 05:59:46,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 294 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:59:46,369 INFO L231 Difference]: Finished difference. Result has 295 places, 294 transitions, 598 flow [2024-11-19 05:59:46,370 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} [2024-11-19 05:59:46,374 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -9 predicate places. [2024-11-19 05:59:46,374 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 294 transitions, 598 flow [2024-11-19 05:59:46,375 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) [2024-11-19 05:59:46,375 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:46,375 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] [2024-11-19 05:59:46,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:59:46,375 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)] === [2024-11-19 05:59:46,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:46,376 INFO L85 PathProgramCache]: Analyzing trace with hash -275439763, now seen corresponding path program 1 times [2024-11-19 05:59:46,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:46,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255543944] [2024-11-19 05:59:46,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:46,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:59:46,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:46,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255543944] [2024-11-19 05:59:46,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255543944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:46,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:46,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:59:46,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101937213] [2024-11-19 05:59:46,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:46,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:59:46,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:46,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:59:46,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:59:46,488 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 332 [2024-11-19 05:59:46,490 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) [2024-11-19 05:59:46,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:46,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 332 [2024-11-19 05:59:46,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:46,582 INFO L124 PetriNetUnfolderBase]: 25/628 cut-off events. [2024-11-19 05:59:46,583 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-19 05:59:46,586 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. [2024-11-19 05:59:46,589 INFO L140 encePairwiseOnDemand]: 327/332 looper letters, 14 selfloop transitions, 1 changer transitions 0/290 dead transitions. [2024-11-19 05:59:46,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 290 transitions, 620 flow [2024-11-19 05:59:46,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:59:46,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:59:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2024-11-19 05:59:46,592 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-19 05:59:46,592 INFO L175 Difference]: Start difference. First operand has 295 places, 294 transitions, 598 flow. Second operand 3 states and 913 transitions. [2024-11-19 05:59:46,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 290 transitions, 620 flow [2024-11-19 05:59:46,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 290 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:59:46,597 INFO L231 Difference]: Finished difference. Result has 291 places, 290 transitions, 588 flow [2024-11-19 05:59:46,597 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} [2024-11-19 05:59:46,598 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -13 predicate places. [2024-11-19 05:59:46,599 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 290 transitions, 588 flow [2024-11-19 05:59:46,599 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) [2024-11-19 05:59:46,599 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:46,600 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] [2024-11-19 05:59:46,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:59:46,600 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)] === [2024-11-19 05:59:46,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:46,601 INFO L85 PathProgramCache]: Analyzing trace with hash 275019192, now seen corresponding path program 1 times [2024-11-19 05:59:46,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:46,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954734943] [2024-11-19 05:59:46,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:46,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:47,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:59:47,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:47,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954734943] [2024-11-19 05:59:47,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954734943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:47,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:47,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:59:47,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822615144] [2024-11-19 05:59:47,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:47,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:59:47,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:47,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:59:47,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:59:47,403 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 332 [2024-11-19 05:59:47,405 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) [2024-11-19 05:59:47,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:47,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 332 [2024-11-19 05:59:47,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:47,932 INFO L124 PetriNetUnfolderBase]: 394/3274 cut-off events. [2024-11-19 05:59:47,933 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-11-19 05:59:47,944 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. [2024-11-19 05:59:47,956 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 26 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2024-11-19 05:59:47,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 289 transitions, 648 flow [2024-11-19 05:59:47,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:59:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:59:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1742 transitions. [2024-11-19 05:59:47,960 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8744979919678715 [2024-11-19 05:59:47,960 INFO L175 Difference]: Start difference. First operand has 291 places, 290 transitions, 588 flow. Second operand 6 states and 1742 transitions. [2024-11-19 05:59:47,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 289 transitions, 648 flow [2024-11-19 05:59:47,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 289 transitions, 647 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:59:47,963 INFO L231 Difference]: Finished difference. Result has 294 places, 289 transitions, 595 flow [2024-11-19 05:59:47,964 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} [2024-11-19 05:59:47,965 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -10 predicate places. [2024-11-19 05:59:47,965 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 289 transitions, 595 flow [2024-11-19 05:59:47,966 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) [2024-11-19 05:59:47,966 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:47,966 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] [2024-11-19 05:59:47,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:59:47,967 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)] === [2024-11-19 05:59:47,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:47,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1156619393, now seen corresponding path program 1 times [2024-11-19 05:59:47,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:47,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561762449] [2024-11-19 05:59:47,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:47,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:59:47,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:47,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561762449] [2024-11-19 05:59:47,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561762449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:47,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:47,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:59:47,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249211954] [2024-11-19 05:59:47,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:47,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:59:47,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:47,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:59:48,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:59:48,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 332 [2024-11-19 05:59:48,025 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) [2024-11-19 05:59:48,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:48,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 332 [2024-11-19 05:59:48,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:48,112 INFO L124 PetriNetUnfolderBase]: 30/679 cut-off events. [2024-11-19 05:59:48,112 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-19 05:59:48,117 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. [2024-11-19 05:59:48,121 INFO L140 encePairwiseOnDemand]: 329/332 looper letters, 12 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2024-11-19 05:59:48,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 288 transitions, 621 flow [2024-11-19 05:59:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:59:48,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:59:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 918 transitions. [2024-11-19 05:59:48,124 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9216867469879518 [2024-11-19 05:59:48,124 INFO L175 Difference]: Start difference. First operand has 294 places, 289 transitions, 595 flow. Second operand 3 states and 918 transitions. [2024-11-19 05:59:48,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 288 transitions, 621 flow [2024-11-19 05:59:48,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 288 transitions, 611 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:59:48,129 INFO L231 Difference]: Finished difference. Result has 290 places, 288 transitions, 587 flow [2024-11-19 05:59:48,130 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} [2024-11-19 05:59:48,130 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -14 predicate places. [2024-11-19 05:59:48,130 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 288 transitions, 587 flow [2024-11-19 05:59:48,131 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) [2024-11-19 05:59:48,131 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:48,131 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] [2024-11-19 05:59:48,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:59:48,132 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)] === [2024-11-19 05:59:48,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:48,132 INFO L85 PathProgramCache]: Analyzing trace with hash 380872868, now seen corresponding path program 1 times [2024-11-19 05:59:48,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:48,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444990097] [2024-11-19 05:59:48,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:48,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:59:48,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:48,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444990097] [2024-11-19 05:59:48,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444990097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:48,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:48,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:59:48,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710283542] [2024-11-19 05:59:48,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:48,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:59:48,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:48,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:59:48,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:59:48,232 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 332 [2024-11-19 05:59:48,234 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) [2024-11-19 05:59:48,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:48,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 332 [2024-11-19 05:59:48,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:48,343 INFO L124 PetriNetUnfolderBase]: 37/767 cut-off events. [2024-11-19 05:59:48,343 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-19 05:59:48,349 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. [2024-11-19 05:59:48,353 INFO L140 encePairwiseOnDemand]: 327/332 looper letters, 14 selfloop transitions, 1 changer transitions 0/284 dead transitions. [2024-11-19 05:59:48,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 284 transitions, 609 flow [2024-11-19 05:59:48,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:59:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:59:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2024-11-19 05:59:48,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-19 05:59:48,357 INFO L175 Difference]: Start difference. First operand has 290 places, 288 transitions, 587 flow. Second operand 3 states and 913 transitions. [2024-11-19 05:59:48,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 284 transitions, 609 flow [2024-11-19 05:59:48,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 284 transitions, 605 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:59:48,363 INFO L231 Difference]: Finished difference. Result has 286 places, 284 transitions, 577 flow [2024-11-19 05:59:48,363 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} [2024-11-19 05:59:48,364 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -18 predicate places. [2024-11-19 05:59:48,364 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 284 transitions, 577 flow [2024-11-19 05:59:48,365 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) [2024-11-19 05:59:48,365 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:48,365 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] [2024-11-19 05:59:48,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:59:48,366 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-19 05:59:48,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:48,367 INFO L85 PathProgramCache]: Analyzing trace with hash -788671253, now seen corresponding path program 1 times [2024-11-19 05:59:48,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:48,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780310912] [2024-11-19 05:59:48,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:59:48,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:48,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780310912] [2024-11-19 05:59:48,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780310912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:48,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:48,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:59:48,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959490834] [2024-11-19 05:59:48,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:48,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:59:48,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:48,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:59:48,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:59:48,424 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 332 [2024-11-19 05:59:48,425 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) [2024-11-19 05:59:48,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:48,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 332 [2024-11-19 05:59:48,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:48,494 INFO L124 PetriNetUnfolderBase]: 14/403 cut-off events. [2024-11-19 05:59:48,495 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:59:48,496 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. [2024-11-19 05:59:48,498 INFO L140 encePairwiseOnDemand]: 327/332 looper letters, 8 selfloop transitions, 2 changer transitions 2/284 dead transitions. [2024-11-19 05:59:48,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 284 transitions, 603 flow [2024-11-19 05:59:48,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:59:48,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:59:48,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 926 transitions. [2024-11-19 05:59:48,500 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.929718875502008 [2024-11-19 05:59:48,500 INFO L175 Difference]: Start difference. First operand has 286 places, 284 transitions, 577 flow. Second operand 3 states and 926 transitions. [2024-11-19 05:59:48,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 284 transitions, 603 flow [2024-11-19 05:59:48,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 284 transitions, 602 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:59:48,505 INFO L231 Difference]: Finished difference. Result has 285 places, 280 transitions, 571 flow [2024-11-19 05:59:48,506 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} [2024-11-19 05:59:48,506 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -19 predicate places. [2024-11-19 05:59:48,506 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 280 transitions, 571 flow [2024-11-19 05:59:48,507 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) [2024-11-19 05:59:48,507 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:48,507 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] [2024-11-19 05:59:48,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:59:48,508 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-19 05:59:48,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:48,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1998804787, now seen corresponding path program 1 times [2024-11-19 05:59:48,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:48,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040630520] [2024-11-19 05:59:48,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:48,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:48,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:59:48,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:48,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040630520] [2024-11-19 05:59:48,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040630520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:48,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:48,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:59:48,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641802065] [2024-11-19 05:59:48,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:48,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:59:48,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:48,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:59:48,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:59:48,551 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 332 [2024-11-19 05:59:48,552 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) [2024-11-19 05:59:48,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:48,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 332 [2024-11-19 05:59:48,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:48,701 INFO L124 PetriNetUnfolderBase]: 113/1677 cut-off events. [2024-11-19 05:59:48,702 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-19 05:59:48,709 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. [2024-11-19 05:59:48,715 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 16 selfloop transitions, 3 changer transitions 0/284 dead transitions. [2024-11-19 05:59:48,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 284 transitions, 621 flow [2024-11-19 05:59:48,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:59:48,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:59:48,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 925 transitions. [2024-11-19 05:59:48,718 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.928714859437751 [2024-11-19 05:59:48,718 INFO L175 Difference]: Start difference. First operand has 285 places, 280 transitions, 571 flow. Second operand 3 states and 925 transitions. [2024-11-19 05:59:48,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 284 transitions, 621 flow [2024-11-19 05:59:48,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 284 transitions, 617 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:59:48,723 INFO L231 Difference]: Finished difference. Result has 281 places, 280 transitions, 582 flow [2024-11-19 05:59:48,724 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} [2024-11-19 05:59:48,724 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -23 predicate places. [2024-11-19 05:59:48,724 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 280 transitions, 582 flow [2024-11-19 05:59:48,725 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) [2024-11-19 05:59:48,725 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:48,725 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] [2024-11-19 05:59:48,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:59:48,726 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-19 05:59:48,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:48,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1538658321, now seen corresponding path program 1 times [2024-11-19 05:59:48,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:48,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076719347] [2024-11-19 05:59:48,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:48,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:59:48,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:48,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076719347] [2024-11-19 05:59:48,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076719347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:48,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:48,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 05:59:48,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775526893] [2024-11-19 05:59:48,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:48,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 05:59:48,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:48,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 05:59:48,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 05:59:49,022 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 332 [2024-11-19 05:59:49,025 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) [2024-11-19 05:59:49,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:49,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 332 [2024-11-19 05:59:49,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:49,216 INFO L124 PetriNetUnfolderBase]: 52/1003 cut-off events. [2024-11-19 05:59:49,216 INFO L125 PetriNetUnfolderBase]: For 8/22 co-relation queries the response was YES. [2024-11-19 05:59:49,223 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. [2024-11-19 05:59:49,226 INFO L140 encePairwiseOnDemand]: 319/332 looper letters, 20 selfloop transitions, 14 changer transitions 0/294 dead transitions. [2024-11-19 05:59:49,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 294 transitions, 685 flow [2024-11-19 05:59:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 05:59:49,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 05:59:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2995 transitions. [2024-11-19 05:59:49,231 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9021084337349398 [2024-11-19 05:59:49,231 INFO L175 Difference]: Start difference. First operand has 281 places, 280 transitions, 582 flow. Second operand 10 states and 2995 transitions. [2024-11-19 05:59:49,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 294 transitions, 685 flow [2024-11-19 05:59:49,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 294 transitions, 685 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:59:49,235 INFO L231 Difference]: Finished difference. Result has 294 places, 287 transitions, 648 flow [2024-11-19 05:59:49,236 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} [2024-11-19 05:59:49,236 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -10 predicate places. [2024-11-19 05:59:49,236 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 287 transitions, 648 flow [2024-11-19 05:59:49,237 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) [2024-11-19 05:59:49,238 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:49,238 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] [2024-11-19 05:59:49,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:59:49,238 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-19 05:59:49,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:49,238 INFO L85 PathProgramCache]: Analyzing trace with hash 367369130, now seen corresponding path program 1 times [2024-11-19 05:59:49,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:49,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708907889] [2024-11-19 05:59:49,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:49,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:59:49,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:49,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708907889] [2024-11-19 05:59:49,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708907889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:49,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:49,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:59:49,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185625421] [2024-11-19 05:59:49,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:49,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 05:59:49,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:49,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 05:59:49,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 05:59:49,340 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 332 [2024-11-19 05:59:49,341 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) [2024-11-19 05:59:49,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:49,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 332 [2024-11-19 05:59:49,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:49,567 INFO L124 PetriNetUnfolderBase]: 95/1594 cut-off events. [2024-11-19 05:59:49,567 INFO L125 PetriNetUnfolderBase]: For 57/66 co-relation queries the response was YES. [2024-11-19 05:59:49,577 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. [2024-11-19 05:59:49,582 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 22 selfloop transitions, 5 changer transitions 0/297 dead transitions. [2024-11-19 05:59:49,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 297 transitions, 729 flow [2024-11-19 05:59:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 05:59:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-19 05:59:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1518 transitions. [2024-11-19 05:59:49,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9144578313253012 [2024-11-19 05:59:49,586 INFO L175 Difference]: Start difference. First operand has 294 places, 287 transitions, 648 flow. Second operand 5 states and 1518 transitions. [2024-11-19 05:59:49,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 297 transitions, 729 flow [2024-11-19 05:59:49,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 297 transitions, 725 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:59:49,591 INFO L231 Difference]: Finished difference. Result has 299 places, 289 transitions, 669 flow [2024-11-19 05:59:49,591 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} [2024-11-19 05:59:49,592 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -5 predicate places. [2024-11-19 05:59:49,592 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 289 transitions, 669 flow [2024-11-19 05:59:49,593 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) [2024-11-19 05:59:49,593 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:49,594 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:59:49,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:59:49,594 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-19 05:59:49,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:49,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1313188407, now seen corresponding path program 1 times [2024-11-19 05:59:49,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:49,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677128758] [2024-11-19 05:59:49,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:49,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:59:50,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:50,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677128758] [2024-11-19 05:59:50,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677128758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:50,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:50,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:59:50,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016848666] [2024-11-19 05:59:50,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:50,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:59:50,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:50,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:59:50,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:59:50,490 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 332 [2024-11-19 05:59:50,492 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) [2024-11-19 05:59:50,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:50,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 332 [2024-11-19 05:59:50,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:50,923 INFO L124 PetriNetUnfolderBase]: 112/1640 cut-off events. [2024-11-19 05:59:50,927 INFO L125 PetriNetUnfolderBase]: For 138/147 co-relation queries the response was YES. [2024-11-19 05:59:50,947 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. [2024-11-19 05:59:50,961 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 24 selfloop transitions, 5 changer transitions 0/296 dead transitions. [2024-11-19 05:59:50,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 296 transitions, 749 flow [2024-11-19 05:59:50,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:59:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:59:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1804 transitions. [2024-11-19 05:59:50,965 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-19 05:59:50,968 INFO L175 Difference]: Start difference. First operand has 299 places, 289 transitions, 669 flow. Second operand 6 states and 1804 transitions. [2024-11-19 05:59:50,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 296 transitions, 749 flow [2024-11-19 05:59:50,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 296 transitions, 744 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:59:50,976 INFO L231 Difference]: Finished difference. Result has 301 places, 288 transitions, 672 flow [2024-11-19 05:59:50,980 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} [2024-11-19 05:59:50,981 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -3 predicate places. [2024-11-19 05:59:50,981 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 288 transitions, 672 flow [2024-11-19 05:59:50,982 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) [2024-11-19 05:59:50,982 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:50,982 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] [2024-11-19 05:59:50,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:59:50,982 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-19 05:59:50,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:50,983 INFO L85 PathProgramCache]: Analyzing trace with hash 274982150, now seen corresponding path program 1 times [2024-11-19 05:59:50,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:50,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027203531] [2024-11-19 05:59:50,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:50,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:51,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:59:51,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:51,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027203531] [2024-11-19 05:59:51,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027203531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:51,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:51,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:59:51,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813832196] [2024-11-19 05:59:51,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:51,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:59:51,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:51,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:59:51,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:59:51,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 332 [2024-11-19 05:59:51,735 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) [2024-11-19 05:59:51,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:51,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 332 [2024-11-19 05:59:51,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:52,029 INFO L124 PetriNetUnfolderBase]: 182/1653 cut-off events. [2024-11-19 05:59:52,029 INFO L125 PetriNetUnfolderBase]: For 135/226 co-relation queries the response was YES. [2024-11-19 05:59:52,041 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. [2024-11-19 05:59:52,046 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 22 selfloop transitions, 5 changer transitions 6/295 dead transitions. [2024-11-19 05:59:52,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 295 transitions, 748 flow [2024-11-19 05:59:52,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:59:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:59:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1804 transitions. [2024-11-19 05:59:52,050 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-19 05:59:52,051 INFO L175 Difference]: Start difference. First operand has 301 places, 288 transitions, 672 flow. Second operand 6 states and 1804 transitions. [2024-11-19 05:59:52,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 295 transitions, 748 flow [2024-11-19 05:59:52,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 295 transitions, 738 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:59:52,061 INFO L231 Difference]: Finished difference. Result has 300 places, 281 transitions, 638 flow [2024-11-19 05:59:52,061 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} [2024-11-19 05:59:52,062 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -4 predicate places. [2024-11-19 05:59:52,062 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 281 transitions, 638 flow [2024-11-19 05:59:52,064 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) [2024-11-19 05:59:52,064 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:52,064 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] [2024-11-19 05:59:52,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:59:52,065 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-19 05:59:52,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:52,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1440770683, now seen corresponding path program 1 times [2024-11-19 05:59:52,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:52,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138007314] [2024-11-19 05:59:52,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:52,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:59:52,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:52,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138007314] [2024-11-19 05:59:52,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138007314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:52,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:52,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:59:52,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653789687] [2024-11-19 05:59:52,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:52,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:59:52,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:52,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:59:52,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:59:52,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 332 [2024-11-19 05:59:52,589 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) [2024-11-19 05:59:52,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:52,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 332 [2024-11-19 05:59:52,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:52,742 INFO L124 PetriNetUnfolderBase]: 68/1078 cut-off events. [2024-11-19 05:59:52,742 INFO L125 PetriNetUnfolderBase]: For 26/32 co-relation queries the response was YES. [2024-11-19 05:59:52,747 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. [2024-11-19 05:59:52,752 INFO L140 encePairwiseOnDemand]: 326/332 looper letters, 22 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-11-19 05:59:52,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 288 transitions, 714 flow [2024-11-19 05:59:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:59:52,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:59:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1804 transitions. [2024-11-19 05:59:52,755 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-19 05:59:52,755 INFO L175 Difference]: Start difference. First operand has 300 places, 281 transitions, 638 flow. Second operand 6 states and 1804 transitions. [2024-11-19 05:59:52,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 288 transitions, 714 flow [2024-11-19 05:59:52,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 288 transitions, 684 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-11-19 05:59:52,760 INFO L231 Difference]: Finished difference. Result has 289 places, 280 transitions, 616 flow [2024-11-19 05:59:52,761 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} [2024-11-19 05:59:52,761 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -15 predicate places. [2024-11-19 05:59:52,762 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 280 transitions, 616 flow [2024-11-19 05:59:52,763 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) [2024-11-19 05:59:52,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:59:52,763 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:59:52,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:59:52,764 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-19 05:59:52,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:59:52,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1527161365, now seen corresponding path program 1 times [2024-11-19 05:59:52,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:59:52,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555647833] [2024-11-19 05:59:52,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:59:52,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:59:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:59:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:59:52,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:59:52,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555647833] [2024-11-19 05:59:52,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555647833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:59:52,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:59:52,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:59:52,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442008521] [2024-11-19 05:59:52,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:59:52,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:59:52,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:59:52,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:59:52,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:59:52,820 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 332 [2024-11-19 05:59:52,821 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) [2024-11-19 05:59:52,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:59:52,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 332 [2024-11-19 05:59:52,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:59:52,951 INFO L124 PetriNetUnfolderBase]: 56/1029 cut-off events. [2024-11-19 05:59:52,952 INFO L125 PetriNetUnfolderBase]: For 8/18 co-relation queries the response was YES. [2024-11-19 05:59:52,957 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. [2024-11-19 05:59:52,958 INFO L140 encePairwiseOnDemand]: 329/332 looper letters, 0 selfloop transitions, 0 changer transitions 281/281 dead transitions. [2024-11-19 05:59:52,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 281 transitions, 644 flow [2024-11-19 05:59:52,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:59:52,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:59:52,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 925 transitions. [2024-11-19 05:59:52,960 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.928714859437751 [2024-11-19 05:59:52,960 INFO L175 Difference]: Start difference. First operand has 289 places, 280 transitions, 616 flow. Second operand 3 states and 925 transitions. [2024-11-19 05:59:52,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 281 transitions, 644 flow [2024-11-19 05:59:52,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 281 transitions, 634 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:59:52,962 INFO L231 Difference]: Finished difference. Result has 285 places, 0 transitions, 0 flow [2024-11-19 05:59:52,963 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} [2024-11-19 05:59:52,964 INFO L277 CegarLoopForPetriNet]: 304 programPoint places, -19 predicate places. [2024-11-19 05:59:52,964 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 0 transitions, 0 flow [2024-11-19 05:59:52,964 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) [2024-11-19 05:59:52,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2024-11-19 05:59:52,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2024-11-19 05:59:52,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2024-11-19 05:59:52,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2024-11-19 05:59:52,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2024-11-19 05:59:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2024-11-19 05:59:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2024-11-19 05:59:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2024-11-19 05:59:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2024-11-19 05:59:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2024-11-19 05:59:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2024-11-19 05:59:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2024-11-19 05:59:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2024-11-19 05:59:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2024-11-19 05:59:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2024-11-19 05:59:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2024-11-19 05:59:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2024-11-19 05:59:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2024-11-19 05:59:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2024-11-19 05:59:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2024-11-19 05:59:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2024-11-19 05:59:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2024-11-19 05:59:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 36 remaining) [2024-11-19 05:59:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 36 remaining) [2024-11-19 05:59:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2024-11-19 05:59:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2024-11-19 05:59:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2024-11-19 05:59:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2024-11-19 05:59:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2024-11-19 05:59:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2024-11-19 05:59:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2024-11-19 05:59:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2024-11-19 05:59:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2024-11-19 05:59:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2024-11-19 05:59:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2024-11-19 05:59:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2024-11-19 05:59:52,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:59:52,971 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:59:52,976 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 05:59:52,976 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 05:59:52,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:59:52 BasicIcfg [2024-11-19 05:59:52,980 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 05:59:52,981 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 05:59:52,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 05:59:52,981 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 05:59:52,981 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:59:44" (3/4) ... [2024-11-19 05:59:52,982 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 05:59:52,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-19 05:59:52,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-19 05:59:52,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-19 05:59:52,990 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-19 05:59:52,990 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 05:59:52,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 05:59:52,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 05:59:53,065 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 05:59:53,065 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 05:59:53,065 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 05:59:53,065 INFO L158 Benchmark]: Toolchain (without parser) took 9302.47ms. Allocated memory was 159.4MB in the beginning and 515.9MB in the end (delta: 356.5MB). Free memory was 85.6MB in the beginning and 257.5MB in the end (delta: -171.9MB). Peak memory consumption was 186.3MB. Max. memory is 16.1GB. [2024-11-19 05:59:53,066 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:59:53,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.26ms. Allocated memory is still 159.4MB. Free memory was 85.4MB in the beginning and 71.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 05:59:53,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.93ms. Allocated memory is still 159.4MB. Free memory was 71.2MB in the beginning and 68.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 05:59:53,066 INFO L158 Benchmark]: Boogie Preprocessor took 69.66ms. Allocated memory is still 159.4MB. Free memory was 68.6MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 05:59:53,066 INFO L158 Benchmark]: RCFGBuilder took 730.45ms. Allocated memory was 159.4MB in the beginning and 251.7MB in the end (delta: 92.3MB). Free memory was 66.2MB in the beginning and 202.7MB in the end (delta: -136.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-19 05:59:53,067 INFO L158 Benchmark]: TraceAbstraction took 8009.12ms. Allocated memory was 251.7MB in the beginning and 515.9MB in the end (delta: 264.2MB). Free memory was 201.7MB in the beginning and 262.7MB in the end (delta: -61.0MB). Peak memory consumption was 203.2MB. Max. memory is 16.1GB. [2024-11-19 05:59:53,067 INFO L158 Benchmark]: Witness Printer took 84.44ms. Allocated memory is still 515.9MB. Free memory was 262.7MB in the beginning and 257.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 05:59:53,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.26ms. Allocated memory is still 159.4MB. Free memory was 85.4MB in the beginning and 71.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.93ms. Allocated memory is still 159.4MB. Free memory was 71.2MB in the beginning and 68.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.66ms. Allocated memory is still 159.4MB. Free memory was 68.6MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 730.45ms. Allocated memory was 159.4MB in the beginning and 251.7MB in the end (delta: 92.3MB). Free memory was 66.2MB in the beginning and 202.7MB in the end (delta: -136.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8009.12ms. Allocated memory was 251.7MB in the beginning and 515.9MB in the end (delta: 264.2MB). Free memory was 201.7MB in the beginning and 262.7MB in the end (delta: -61.0MB). Peak memory consumption was 203.2MB. Max. memory is 16.1GB. * Witness Printer took 84.44ms. Allocated memory is still 515.9MB. Free memory was 262.7MB in the beginning and 257.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 7.8s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 870 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 505 mSDsluCounter, 337 SdHoareTripleChecker+Invalid, 1.1s 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, 0.2s SatisfiabilityAnalysisTime, 2.6s 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! [2024-11-19 05:59:53,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE