./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-difference-det.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 74892b4fb04a6fe0e809c110df08d9da57c5c90ea65da5b04a32432686fc90f8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:58:31,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:58:31,475 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:58:31,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:58:31,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:58:31,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:58:31,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:58:31,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:58:31,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:58:31,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:58:31,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:58:31,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:58:31,508 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:58:31,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:58:31,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:58:31,509 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:58:31,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:58:31,510 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:58:31,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:58:31,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:58:31,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:58:31,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:58:31,513 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:58:31,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:58:31,513 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:58:31,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:58:31,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:58:31,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:58:31,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:58:31,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:58:31,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:58:31,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:58:31,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:58:31,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:58:31,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:58:31,515 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:58:31,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:58:31,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:58:31,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:58:31,516 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:58:31,516 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:58:31,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74892b4fb04a6fe0e809c110df08d9da57c5c90ea65da5b04a32432686fc90f8 [2024-11-22 17:58:31,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:58:31,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:58:31,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:58:31,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:58:31,738 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:58:31,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2024-11-22 17:58:33,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:58:33,159 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:58:33,159 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2024-11-22 17:58:33,165 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345d6f52d/befe3236503a45dabb338a116ea4b388/FLAGc1da1adfa [2024-11-22 17:58:33,176 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345d6f52d/befe3236503a45dabb338a116ea4b388 [2024-11-22 17:58:33,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:58:33,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:58:33,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:58:33,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:58:33,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:58:33,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519a8c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33, skipping insertion in model container [2024-11-22 17:58:33,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:58:33,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:58:33,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:58:33,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:58:33,396 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:58:33,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33 WrapperNode [2024-11-22 17:58:33,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:58:33,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:58:33,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:58:33,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:58:33,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,425 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 113 [2024-11-22 17:58:33,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:58:33,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:58:33,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:58:33,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:58:33,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:58:33,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:58:33,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:58:33,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:58:33,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33" (1/1) ... [2024-11-22 17:58:33,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:58:33,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:58:33,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:58:33,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:58:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:58:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-22 17:58:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-22 17:58:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-22 17:58:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-22 17:58:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-22 17:58:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-22 17:58:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-22 17:58:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-22 17:58:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:58:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:58:33,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:58:33,521 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:58:33,612 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:58:33,615 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:58:33,814 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:58:33,814 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:58:33,841 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:58:33,841 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-22 17:58:33,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:58:33 BoogieIcfgContainer [2024-11-22 17:58:33,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:58:33,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:58:33,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:58:33,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:58:33,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:58:33" (1/3) ... [2024-11-22 17:58:33,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edf9686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:58:33, skipping insertion in model container [2024-11-22 17:58:33,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:58:33" (2/3) ... [2024-11-22 17:58:33,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edf9686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:58:33, skipping insertion in model container [2024-11-22 17:58:33,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:58:33" (3/3) ... [2024-11-22 17:58:33,848 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2024-11-22 17:58:33,861 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:58:33,861 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-22 17:58:33,861 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:58:33,933 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-22 17:58:33,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 162 transitions, 352 flow [2024-11-22 17:58:34,022 INFO L124 PetriNetUnfolderBase]: 11/158 cut-off events. [2024-11-22 17:58:34,022 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:58:34,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 158 events. 11/158 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 226 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2024-11-22 17:58:34,028 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 162 transitions, 352 flow [2024-11-22 17:58:34,032 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 141 transitions, 303 flow [2024-11-22 17:58:34,043 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:58:34,048 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;@6182f908, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:58:34,048 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-22 17:58:34,054 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:58:34,054 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-22 17:58:34,054 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:58:34,054 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:58:34,054 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] [2024-11-22 17:58:34,055 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-22 17:58:34,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:58:34,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1890799710, now seen corresponding path program 1 times [2024-11-22 17:58:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:58:34,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031755401] [2024-11-22 17:58:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:58:34,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:58:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:58:34,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:58:34,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:58:34,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031755401] [2024-11-22 17:58:34,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031755401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:58:34,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:58:34,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:58:34,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628406943] [2024-11-22 17:58:34,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:58:34,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:58:34,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:58:34,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:58:34,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:58:34,285 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 162 [2024-11-22 17:58:34,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 141 transitions, 303 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:58:34,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:58:34,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 162 [2024-11-22 17:58:34,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:58:34,453 INFO L124 PetriNetUnfolderBase]: 167/726 cut-off events. [2024-11-22 17:58:34,453 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2024-11-22 17:58:34,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1053 conditions, 726 events. 167/726 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4580 event pairs, 119 based on Foata normal form. 110/734 useless extension candidates. Maximal degree in co-relation 926. Up to 244 conditions per place. [2024-11-22 17:58:34,465 INFO L140 encePairwiseOnDemand]: 153/162 looper letters, 16 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-11-22 17:58:34,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 134 transitions, 325 flow [2024-11-22 17:58:34,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:58:34,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:58:34,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 424 transitions. [2024-11-22 17:58:34,477 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8724279835390947 [2024-11-22 17:58:34,478 INFO L175 Difference]: Start difference. First operand has 144 places, 141 transitions, 303 flow. Second operand 3 states and 424 transitions. [2024-11-22 17:58:34,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 134 transitions, 325 flow [2024-11-22 17:58:34,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 134 transitions, 312 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-22 17:58:34,488 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 280 flow [2024-11-22 17:58:34,490 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=138, PETRI_TRANSITIONS=134} [2024-11-22 17:58:34,492 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -6 predicate places. [2024-11-22 17:58:34,493 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 280 flow [2024-11-22 17:58:34,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:58:34,494 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:58:34,494 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] [2024-11-22 17:58:34,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:58:34,495 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-22 17:58:34,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:58:34,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1851121683, now seen corresponding path program 1 times [2024-11-22 17:58:34,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:58:34,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382250821] [2024-11-22 17:58:34,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:58:34,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:58:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:58:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:58:34,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:58:34,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382250821] [2024-11-22 17:58:34,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382250821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:58:34,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:58:34,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:58:34,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553949083] [2024-11-22 17:58:34,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:58:34,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:58:34,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:58:34,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:58:34,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:58:34,580 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 162 [2024-11-22 17:58:34,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 134 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:58:34,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:58:34,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 162 [2024-11-22 17:58:34,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:58:34,705 INFO L124 PetriNetUnfolderBase]: 205/968 cut-off events. [2024-11-22 17:58:34,706 INFO L125 PetriNetUnfolderBase]: For 43/46 co-relation queries the response was YES. [2024-11-22 17:58:34,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1289 conditions, 968 events. 205/968 cut-off events. For 43/46 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 6371 event pairs, 119 based on Foata normal form. 0/846 useless extension candidates. Maximal degree in co-relation 1259. Up to 282 conditions per place. [2024-11-22 17:58:34,726 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 16 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-11-22 17:58:34,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 133 transitions, 314 flow [2024-11-22 17:58:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:58:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:58:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2024-11-22 17:58:34,729 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8600823045267489 [2024-11-22 17:58:34,729 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 280 flow. Second operand 3 states and 418 transitions. [2024-11-22 17:58:34,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 133 transitions, 314 flow [2024-11-22 17:58:34,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 133 transitions, 310 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:58:34,735 INFO L231 Difference]: Finished difference. Result has 137 places, 133 transitions, 278 flow [2024-11-22 17:58:34,736 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=137, PETRI_TRANSITIONS=133} [2024-11-22 17:58:34,736 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -7 predicate places. [2024-11-22 17:58:34,737 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 133 transitions, 278 flow [2024-11-22 17:58:34,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:58:34,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:58:34,738 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] [2024-11-22 17:58:34,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:58:34,738 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-22 17:58:34,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:58:34,740 INFO L85 PathProgramCache]: Analyzing trace with hash 517820862, now seen corresponding path program 1 times [2024-11-22 17:58:34,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:58:34,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746618491] [2024-11-22 17:58:34,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:58:34,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:58:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:58:34,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:58:34,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:58:34,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746618491] [2024-11-22 17:58:34,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746618491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:58:34,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:58:34,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:58:34,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029087647] [2024-11-22 17:58:34,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:58:34,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:58:34,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:58:34,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:58:34,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:58:34,823 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 162 [2024-11-22 17:58:34,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 133 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:58:34,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:58:34,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 162 [2024-11-22 17:58:34,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:58:34,939 INFO L124 PetriNetUnfolderBase]: 291/1082 cut-off events. [2024-11-22 17:58:34,939 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-22 17:58:34,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1574 conditions, 1082 events. 291/1082 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 7627 event pairs, 182 based on Foata normal form. 0/945 useless extension candidates. Maximal degree in co-relation 1536. Up to 397 conditions per place. [2024-11-22 17:58:34,949 INFO L140 encePairwiseOnDemand]: 158/162 looper letters, 21 selfloop transitions, 2 changer transitions 0/138 dead transitions. [2024-11-22 17:58:34,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 138 transitions, 338 flow [2024-11-22 17:58:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:58:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:58:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2024-11-22 17:58:34,952 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8847736625514403 [2024-11-22 17:58:34,952 INFO L175 Difference]: Start difference. First operand has 137 places, 133 transitions, 278 flow. Second operand 3 states and 430 transitions. [2024-11-22 17:58:34,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 138 transitions, 338 flow [2024-11-22 17:58:34,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 138 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:58:34,955 INFO L231 Difference]: Finished difference. Result has 136 places, 133 transitions, 284 flow [2024-11-22 17:58:34,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=136, PETRI_TRANSITIONS=133} [2024-11-22 17:58:34,956 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -8 predicate places. [2024-11-22 17:58:34,956 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 133 transitions, 284 flow [2024-11-22 17:58:34,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:58:34,956 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:58:34,956 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:58:34,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:58:34,957 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-22 17:58:34,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:58:34,957 INFO L85 PathProgramCache]: Analyzing trace with hash 2105707801, now seen corresponding path program 1 times [2024-11-22 17:58:34,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:58:34,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648193203] [2024-11-22 17:58:34,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:58:34,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:58:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:58:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:58:35,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:58:35,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648193203] [2024-11-22 17:58:35,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648193203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:58:35,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:58:35,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:58:35,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144069243] [2024-11-22 17:58:35,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:58:35,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:58:35,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:58:35,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:58:35,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:58:35,032 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 162 [2024-11-22 17:58:35,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 133 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:58:35,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:58:35,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 162 [2024-11-22 17:58:35,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:58:35,170 INFO L124 PetriNetUnfolderBase]: 374/1445 cut-off events. [2024-11-22 17:58:35,171 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-11-22 17:58:35,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2037 conditions, 1445 events. 374/1445 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 10907 event pairs, 61 based on Foata normal form. 0/1272 useless extension candidates. Maximal degree in co-relation 1729. Up to 490 conditions per place. [2024-11-22 17:58:35,178 INFO L140 encePairwiseOnDemand]: 158/162 looper letters, 0 selfloop transitions, 0 changer transitions 138/138 dead transitions. [2024-11-22 17:58:35,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 138 transitions, 344 flow [2024-11-22 17:58:35,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:58:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:58:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2024-11-22 17:58:35,179 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8847736625514403 [2024-11-22 17:58:35,180 INFO L175 Difference]: Start difference. First operand has 136 places, 133 transitions, 284 flow. Second operand 3 states and 430 transitions. [2024-11-22 17:58:35,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 138 transitions, 344 flow [2024-11-22 17:58:35,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 138 transitions, 344 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:58:35,182 INFO L231 Difference]: Finished difference. Result has 136 places, 0 transitions, 0 flow [2024-11-22 17:58:35,182 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=136, PETRI_TRANSITIONS=0} [2024-11-22 17:58:35,185 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -8 predicate places. [2024-11-22 17:58:35,185 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 0 transitions, 0 flow [2024-11-22 17:58:35,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:58:35,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2024-11-22 17:58:35,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2024-11-22 17:58:35,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2024-11-22 17:58:35,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2024-11-22 17:58:35,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2024-11-22 17:58:35,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 14 remaining) [2024-11-22 17:58:35,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 14 remaining) [2024-11-22 17:58:35,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 14 remaining) [2024-11-22 17:58:35,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 14 remaining) [2024-11-22 17:58:35,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2024-11-22 17:58:35,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2024-11-22 17:58:35,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2024-11-22 17:58:35,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2024-11-22 17:58:35,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2024-11-22 17:58:35,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:58:35,194 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-22 17:58:35,200 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:58:35,200 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:58:35,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:58:35 BasicIcfg [2024-11-22 17:58:35,207 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:58:35,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:58:35,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:58:35,208 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:58:35,210 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:58:33" (3/4) ... [2024-11-22 17:58:35,211 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:58:35,214 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-22 17:58:35,214 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-22 17:58:35,214 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-22 17:58:35,215 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-22 17:58:35,218 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-22 17:58:35,219 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 17:58:35,219 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-22 17:58:35,219 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:58:35,302 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:58:35,302 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:58:35,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:58:35,304 INFO L158 Benchmark]: Toolchain (without parser) took 2123.31ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 77.1MB in the beginning and 111.0MB in the end (delta: -33.9MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-11-22 17:58:35,304 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:58:35,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.42ms. Allocated memory is still 132.1MB. Free memory was 77.1MB in the beginning and 63.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 17:58:35,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.40ms. Allocated memory is still 132.1MB. Free memory was 63.8MB in the beginning and 62.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:58:35,304 INFO L158 Benchmark]: Boogie Preprocessor took 21.61ms. Allocated memory is still 132.1MB. Free memory was 62.1MB in the beginning and 60.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:58:35,305 INFO L158 Benchmark]: RCFGBuilder took 394.07ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 60.3MB in the beginning and 159.2MB in the end (delta: -98.8MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-22 17:58:35,305 INFO L158 Benchmark]: TraceAbstraction took 1364.15ms. Allocated memory is still 192.9MB. Free memory was 159.2MB in the beginning and 115.2MB in the end (delta: 43.9MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. [2024-11-22 17:58:35,305 INFO L158 Benchmark]: Witness Printer took 94.65ms. Allocated memory is still 192.9MB. Free memory was 115.2MB in the beginning and 111.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:58:35,306 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 132.1MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.42ms. Allocated memory is still 132.1MB. Free memory was 77.1MB in the beginning and 63.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.40ms. Allocated memory is still 132.1MB. Free memory was 63.8MB in the beginning and 62.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.61ms. Allocated memory is still 132.1MB. Free memory was 62.1MB in the beginning and 60.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 394.07ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 60.3MB in the beginning and 159.2MB in the end (delta: -98.8MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1364.15ms. Allocated memory is still 192.9MB. Free memory was 159.2MB in the beginning and 115.2MB in the end (delta: 43.9MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. * Witness Printer took 94.65ms. Allocated memory is still 192.9MB. Free memory was 115.2MB in the beginning and 111.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: 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: 57]: 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: 65]: 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 9 procedures, 230 locations, 14 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: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 19 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=303occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:58:35,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE